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Mitsubishi Heavy Industries SRC20ZMX-SA, Technical Manual & Parts List

Introducing the Mitsubishi Heavy Industries SRC20ZMX-SA – a powerful and innovative air conditioning system. With its cutting-edge features and advanced technology, this product ensures optimum comfort in any environment. Enhance your user experience by downloading the comprehensive Technical Manual & Parts List, available for free at 88.208.23.73:8080.

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 119 

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 '14 • SRK-T-155

SRK50ZMXA-S

END ITEM NO. : RWA002F074C

Recommendable Purchased Q'ty

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13 RKY 102A 001N PANEL ASSY,FRONT

 1

1

1

1

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1 RKY 122A 002A PANEL ASSY,FRONT

 1

1

1

1

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2 RKY 435A 003

GRILLE,AIR IN(TOP)

 2

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8 RKY 435A 004B PANEL ASSY,AIR IN

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4 RKY 435A 007B PANEL,ORNAMENT

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8

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4

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9 RKY 437A 001

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8 W348.5×H339(t2)

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     11 RKY 011G 001K LABEL,WIRING

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12 RKY 133A 008C PLATE ASSY,ORNAMENT

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27 RMA 435A 009B GRILLE ASSY,AIR OUT

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GRILLE,AIR OUT

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     15 RMA 436A 001

FLAP ASSY(U)

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     16 RMA 436A 003

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     17 RKY 436A 009

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     18 RKY 436A 009A LOUVER ASSY

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6

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21 RKY 144A 010

LINK ASSY(R)

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21 SSA 512T 096

MOTOR,STEPPING

 2

1

1

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FOR FLAP & LOUVER

 22

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23 RKY 144A 011A LINK ASSY(L)

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1

1

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23 SSA 512T 096

MOTOR,STEPPING

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24 RKY 504A 003B HARNESS ASSY

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1

1

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25 RKY 504A 004A HARNESS ASSY

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     26 SSA 423A 102

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28 RKY 111A 001A BASE ASSY

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29 RKY 129A 002A PLATE,BASE

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     30 RKY 129A 003

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     31 RKY 129A 004

BRACKET,MOTOR(L)

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     32 SSA 923C 114

BEARING,PLANE

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     35 RKY 032A 001

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38 RKY 129A 023B FILTER UNIT ASSY

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HOLDER,FILTER(B)

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     37 RKY 129A 025

HOLDER,FILTER(R)

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HOLDER,FILTER

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39 RKY 129A 034A COVER ASSY(PIPE)

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Note

No.

Part No.

Part Name

RE.Q

Summary of Contents for SRC20ZMX-SA

Page 1: ...AIR CONDITIONING TECHNICAL MANUAL PARTS LIST WALL MOUNTED TYPE RESIDENTIAL AIR CONDITIONERS Split system air to air heat pump type SRK20ZMXA S SRK25ZMXA S SRK35ZMXA S SRK50ZMXA S SRK60ZMXA S Manual No 14 SRK T 155 ...

Page 2: ......

Page 3: ... 14 SRK T 155 TECHNICAL MANUAL ...

Page 4: ...tion control function by wireless remote control 8 Flap and louver control 50 5 Selection of the annual cooling function 49 4 Installing two air conditioners in the same room 48 3 Auto restart function 2 Unit ON OFF button 48 47 11 Silent mode 52 13 Installation location setting 52 12 Night setback 52 14 Outline of heating operation 53 16 Outline of dry dehumidifying opration 55 15 Outline of cool...

Page 5: ... Product capacity Cooling capacity 2 0kW Model name SRK Wall mounted type SRC Outdoor unit MXA S 87 11 OPTION PARTS 87 93 1 Wired remote control RC E5 2 Interface kit SC BIKN E 3 Super link E board SC ADNA E 97 6 Service mode Trouble mode access function 68 7 Inspection procedures corresponding to detail of trouble 76 66 4 Troubleshooting procedure If the air conditioner runs 3 Troubleshooting pro...

Page 6: ...n motor Rubber sleeve for fan motor compressor Electric heater Operation control Remote control Wireless remote control Room temperature control Microcomputer thermostat Operation display RUN Green TIMER Yellow HI POWER Green 3D AUTO Green ECONO Blue Safety equipments Compressor overheat protection Overcurrent protection Frost protection Serial signal error protection Indoor fan motor error protec...

Page 7: ...r Rubber sleeve for fan motor compressor Electric heater Operation control Remote control Wireless remote control Room temperature control Microcomputer thermostat Operation display RUN Green TIMER Yellow HI POWER Green 3D AUTO Green ECONO Blue Safety equipments Compressor overheat protection Overcurrent protection Frost protection Serial signal error protection Indoor fan motor error protection H...

Page 8: ... Rubber sleeve for fan motor compressor Electric heater Operation control Remote control Wireless remote control Room temperature control Microcomputer thermostat Operation display RUN Green TIMER Yellow HI POWER Green 3D AUTO Green ECONO Blue Safety equipments Compressor overheat protection Overcurrent protection Frost protection Serial signal error protection Indoor fan motor error protection He...

Page 9: ...or Rubber sleeve for fan motor compressor Electric heater Operation control Remote control Wireless remote control Room temperature control Microcomputer thermostat Operation display RUN Green TIMER Yellow HI POWER Green 3D AUTO Green ECONO Blue Safety equipments Compressor overheat protection Overcurrent protection Frost protection Serial signal error protection Indoor fan motor error protection ...

Page 10: ...or Rubber sleeve for fan motor compressor Electric heater Operation control Remote control Wireless remote control Room temperature control Microcomputer thermostat Operation display RUN Green TIMER Yellow HI POWER Green 3D AUTO Green ECONO Blue Safety equipments Compressor overheat protection Overcurrent protection Frost protection Serial signal error protection Indoor fan motor error protection ...

Page 11: ...ront 48 5 7 295 4 15 Service space 7 9 70 Service space Service space Terminal block 9 61 5 46 5 61 5 F 3 220 G Hole on wall for right rear piping Hole on wall for left rear piping Outlet for wiring Drain hose F E C D VP16 φ65 φ65 Outlet for piping on both side G Symbol Content Gas piping A Liquid piping B φ6 35 1 4 Flare φ12 7 1 2 Flare Model 50 60 φ9 52 3 8 Flare Model 20 25 35 Wireless remote c...

Page 12: ...t not be surrounded by walls on the four sides 2 The unit must be fixed with anchor bolts An anchor bolt must not protrude more than 15mm 3 Where the unit is subject to strong winds lay it in such a direction that the blower outlet faces perpendicularly to the dominant wind direction 4 Leave 1m or more space above the unit 5 A wall in front of the blower outlet must not exceed the units height 6 T...

Page 13: ...ble draw out hole D E Anchor bolt hole Drain discharge hole Symbol B A Service valve connection gas side M10 4places Service valve connection liquid side φ12 7 1 2 Flare φ20 5places φ6 35 1 4 Flare Notes 1 It must not be surrounded by walls on the four sides 2 The unit must be fixed with anchor bolts An anchor bolt must not protrude more than 15mm 3 Where the unit is subject to strong winds lay it...

Page 14: ... 12 14 SRK T 155 3 Remote control Unit mm 60 26 167 a Wireless remote control ...

Page 15: ...100 to 200m 0 5mm2 2 cores 0 75mm2 2 cores 1 25mm2 2 cores 2 0mm2 2 cores Under 300m Under 400m Under 600m Upper part Lower part Lower case Sheath Upper cace Board Wiring Upper Lower X Y Sheath Upper cace Board Wiring Upper Lower Y X Tighten the screws after cutting off the thin part of screw mounting part Embedded mounting Pearl White Exterior appearance Munsell color N8 5 near equivalent The pee...

Page 16: ... 1 3 4 5 6 5 5 5 5 5 5 5 5 5 LM 1 LM 2 SM LS IM RD WH BK BL Y FM I Power source 1 phase 220 240 V 50Hz TO OUTDOOR UNIT 1 2 N 3 T HEAT EXCHANGER POWER WIRES SIGNAL WIRE 1 2 N 3 Connector Description Item CNE CNY Heat exch sensor Humidity sensor 50 60 only Fan motor Room temp sensor Flap motor Th1 Th2 1 2 Th3 Diode stack DS Fuse F FM I Terminal block T Louver motor LM 1 2 SM Limit switch LS Inlet mo...

Page 17: ...acity which is calculated from MAX over current should be chosen along the regulations in each country The cable specifications are based on the assumption that a metal or plastic conduit is used with no more than three cables contained in a conduit and a voltage drop is 2 For an installation falling outside of these conditions please follow the internal cabling regulations Adapt it to the regulat...

Page 18: ...3 1 5 50 60 The specifications shown in the above table are for units without heaters For units with heaters refer to the installation instructions or the construction instructions of the indoor unit Switchgear of Circuit breaker capacity which is calculated from MAX over current should be chosen along the regulations in each country The cable specifications are based on the assumption that a meta...

Page 19: ...0 20 30 40 50 60 70 63 125 250 500 1000 2000 4000 8000 Mid Octave Band frequency Hz Sound Pressure Level dB standard 2 10 5 Pa 10 20 30 40 50 60 70 N50 N40 N60 N70 N20 N30 Cooling Heating Condition ISO T1 JIS C 9612 Mike position at highest noise level in position as mentioned below Distance from front side 1m Mike position 0 8m 1m Unit Mike position Center Low points Mike position at highest nois...

Page 20: ...47 dB A Heating 47 dB A 10 20 30 40 50 60 70 63 125 250 500 1000 2000 4000 8000 Mid Octave Band frequency Hz Sound Pressure Level dB standard 2 10 5 Pa 10 20 30 40 50 60 70 N50 N40 N60 N70 N20 N30 Cooling Heating Condition ISO T1 JIS C 9612 Mike position at highest noise level in position as mentioned below Distance from front side 1m Mike position 0 8m 1m Unit Mike position Center Low points Mike...

Page 21: ... dB standard 2 10 5 Pa 10 20 30 40 50 60 70 N50 N30 N40 N60 N70 N20 10 20 30 40 50 60 70 63 125 250 500 1000 2000 4000 8000 Mid Octave Band frequency Hz Sound Pressure Level dB standard 2 10 5 Pa 10 20 30 40 50 60 70 N50 N30 N40 N60 N70 N20 Mike position at highest noise level in position as mentioned below Distance from front side 1m Mike position 0 8m 1m Unit Mike position Center Low points Mike...

Page 22: ... dB A Cooling Heating Condition ISO T1 JIS C 9612 10 20 30 40 50 60 70 63 125 250 500 1000 2000 4000 8000 Mid Octave Band frequency Hz Sound Pressure Level dB standard 2 10 5 Pa 10 20 30 40 50 60 70 N50 N30 N40 N60 N70 N20 10 20 30 40 50 60 70 63 125 250 500 1000 2000 4000 8000 Mid Octave Band frequency Hz Sound Pressure Level dB standard 2 10 5 P a 10 20 30 40 50 60 70 N50 N30 N40 N60 N70 N20 Mik...

Page 23: ... dB standard 2 10 5 Pa 10 20 30 40 50 60 70 N50 N30 N40 N60 N70 N20 10 20 30 40 50 60 70 63 125 250 500 1000 2000 4000 8000 Mid Octave Band frequency Hz Sound Pressure Level dB standard 2 10 5 Pa 10 20 30 40 50 60 70 N50 N30 N40 N60 N70 N20 Mike position at highest noise level in position as mentioned below Distance from front side 1m Mike position 0 8m 1m Unit Mike position Center Low points Mike...

Page 24: ... TH2 Heat exchanger sensor TH1 EEV Capillary tube Heat exchanger Accumulator Strainer Models SRK20ZJX S 25ZJX S 35ZJX S Indoor unit Outdoor unit Flare connection Flare connection Liquid pipe φ6 35 Gas pipe φ9 52 Service valve Heat exchanger Heat exchanger sensor Electronic expansion valve Liquid Strainer Muffler Capillary tube Outdoor air temp sensor Muffler Muffler Compressor Accumulator Discharg...

Page 25: ... 15 to 46 D B Heating operation Approximately 15 to 24 D B Refer to the selection chart Selection chart Correct the cooling and heating capacity in accordance with the conditions as follows The net cooling and heating capacity can be obtained in the following way Net capacity Capacity shown on specification Correction factors as follows 1 Coefficient of cooling and heating capacity in relation to ...

Page 26: ...ting on outdoor heat exchanger during heating How to obtain the cooling and heating capacity Piping length m Cooling Heating 7 1 0 1 0 10 0 99 1 0 15 0 975 1 0 20 0 965 1 0 25 0 95 1 0 30 0 935 1 0 Air inlet temperature of outdoor unit in CWB Adjustment coefficient 15 0 95 0 95 0 94 0 93 0 91 0 88 0 86 0 87 0 92 1 00 10 9 7 5 3 1 1 3 5 or more ZMXA S ZMXA S ...

Page 27: ...22 2 11 2 36 2 24 2 55 2 42 2 64 2 50 2 70 2 54 2 85 2 70 2 96 2 67 34 2 15 2 04 2 29 2 18 2 49 2 36 2 58 2 45 2 64 2 51 2 79 2 65 2 91 2 65 35 2 12 2 01 2 26 2 14 2 46 2 33 2 55 2 42 2 61 2 48 2 77 2 63 2 89 2 65 36 2 08 1 98 2 22 2 11 2 43 2 30 2 52 2 39 2 58 2 45 2 74 2 60 2 86 2 64 38 2 01 1 91 2 15 2 04 2 36 2 24 2 46 2 34 2 52 2 39 2 69 2 55 2 81 2 60 39 1 97 1 88 2 11 2 01 2 33 2 21 2 43 2 ...

Page 28: ...atuses Note 1 Depending on the system control there may be ranges where the operation is not conducted continuously Note 1 These data show the case where the operation frequency of a compressor is fixed Cooling only 2 Capacities are based on the following conditions 2 Corresponding refrigerant piping length 7m 2 Level difference of Zero 3 Symbols are as follows TC Total cooling capacity kW SHC Sen...

Page 29: ... the manual Locations where the unit is exposed to chimney smoke Locations at high altitude more than 1000m high Locations with ammonic atmospheres Locations where heat radiation from other heat source can affect the unit Locations without good air circulation Locations with any obstacles which can prevent inlet and outlet air of the unit Locations where short circuit of air can occur in case of m...

Page 30: ...n of installation board Drilling of holes and fixture of sleeve Option parts Level position 2 locations Mating mark for level surface Fixing on concrete wall Use of nut anchor Use of bolt anchor Shaping of pipings Taping of the exterior Pipings Drain hose Top Nut M6 Mounting board Mounting board Max 10 Thickness of the wall 1 5cm 5 ø65 Indoor side Outdoor side Indoor side Outdoor side Installed st...

Page 31: ... 35 ø9 52 ø12 7 0 0 0 5 0 0 0 5 0 0 0 5 1 0 1 5 1 0 1 5 1 0 1 5 1 5 2 0 1 5 2 0 2 0 2 5 Measurement B mm Clutch type Wing nut type CAUTION Do not apply excess torque to the flared nuts Otherwise the flared nuts may check depending Arrange the drain hose in a downward angle Avoid the following drain piping Pour water to the drain pan located under the heat exchanger and ensure that the water is dis...

Page 32: ...nsert batteries Close the cover 1 2 3 Setting an indoor unit 1 2 3 Turn off the power supply and turn it on after 1 minute Point the wireless remote control that was set according to the procedure described on the left side at the indoor unit and send a signal by pressing the ACL switch on the wireless remote control Since the signal is sent in about 6 seconds after the ACL switch is pressed point...

Page 33: ...rcuit Tighten the flare nut by torque wrench with specified method If the flare nut were tightened with excess torque this may cause burst and refrigerant leakage after a long period Do not open the service valves for liquid line and gas line until completed refrigerant piping work air tightness test and evacuation If the compressor is operated in state of operation service valves before completed...

Page 34: ...without good air circulation Locations with any obstacles which can prevent inlet and outlet air of the unit Locations where short circuit of air can occur in case of multiple units installation Locations where strong air blows against the air outlet of outdoor unit Locations where something located above the unit could fall It can cause remarkable decrease in performance corrosion and damage of c...

Page 35: ...rces A place where stringent regulation of electric noises is applicable Where it is safe for the drain water to be discharged Where noise and hot air will not bother neighboring residents Where snow will not accumulate Where strong winds will not blow against the outlet pipe A place where no TV set or radio receiver is placed within 1m If electrical interference is caused seek a place less likely...

Page 36: ... a side cover and remove to the front A B Flared pipe end A mm ø6 35 ø9 52 ø12 7 Copper pipe outer diameter 0 A 04 9 1 13 2 16 6 ø6 35 ø9 52 ø12 7 Copper pipe outer diameter 0 0 5 1 0 1 5 Copper pipe protrusion for flaring B mm In the case of a rigid clutch type With an R410A tool With a conventional tool CAUTION Do not apply force beyond proper fastening torque in tightening the flare nut Tighten...

Page 37: ...R410A Handle Hi Vacuum pump Vacuum pump adapter Anti reverse flow type Designed specifically for R410A Charge hose Designed specifically for R410A Check joint 0 1MPa 76cmHg Handle Lo Service valve Service valve Liquid side Service valve cap Service valve cap Service valve cap tightening torque N m Check joint blind nut tightening torque N m ø6 35 1 4 ø9 52 3 8 ø12 7 1 2 20 30 25 35 10 12 Service v...

Page 38: ...ply cables use conduits Do not lay electronic control cables wireless remote control and signaling wires and other cables together outside the unit Laying them together can result in the malfunctioning or a failure of the unit due to electric noises Fasten cables so that may not touch the piping etc When cables are connected make sure that all electrical components within the electrical component ...

Page 39: ...h leakage circuit breaker h t r a E h t r a E Power supply Indoor unit Outdoor unit When wire length exceeds 30m use 2 5mm 2 wires Model SRC ZM S Model SRC ZMX S N L D1 D2 D3 C D1 D2 D3 Safety breaker 16A Earth leakage circuit breaker Power supply DRED Outdoor unit 1 2 N 3 1 2 N 3 Indoor unit When wire length exceeds 30m use 2 5mm 2 wires Model SRC ZMA S Model SRC ZMXA S Model DXC ZMA S C Connecti...

Page 40: ...e Does the existing pipe system to reuse satisfy all of the following 1 The pipe length is 30m or less 2 The pipe size conforms to the table of pipe size restrictions 3 The elevation difference between the indoor and outdoor units conforms to the following restrictions Where the outdoor unit is above 15m or less Where the outdoor unit is below 15m or less Which of the following refrigeration oils ...

Page 41: ... by torque wrench with specified method If the flare nut were tightened with excess torque this may cause burst and refrigerant leakage after a long period Do not open the service valves for liquid line and gas line until completed refrigerant piping work air tightness test and evacuation If the compressor is operated in state of operation service valves before completed connection of refrigerant ...

Page 42: ...lation Locations with any obstacles which can prevent inlet and outlet air of the unit Locations where short circuit of air can occur in case of multiple units installation Locations where strong air blows against the air outlet of outdoor unit Locations where something located above the unit could fall It can cause remarkable decrease in performance corrosion and damage of components malfunction ...

Page 43: ...A place where the unit can be kept away 5m or more from TV set and or radio receiver in order to avoid any radio or TV interference A place where good air circulation can be secured and enough service space can be secured for maintenance and service of the unit safely A place where the unit will not be affected by electromagnetic waves and or high harmonic waves generated by other equipment A plac...

Page 44: ...r and remove to the front A B Flared pipe end A mm ø6 35 ø12 7 Copper pipe outer diameter 0 A 04 9 1 16 6 ø6 35 ø12 7 Copper pipe outer diameter 0 0 5 1 0 1 5 Copper pipe protrusion for flaring B mm In the case of a rigid clutch type With an R410A tool With a conventional tool CAUTION Do not apply force beyond proper fastening torque in tightening the flare nut Tightening angle Tightening torque N...

Page 45: ...gned specifically for R410A Compound pressure gauge Pressure gauge Gauge manifold Designed specifically for R410A Handle Hi Vacuum pump Vacuum pump adapter Anti reverse flow type Designed specifically for R410A Charge hose Designed specifically for R410A Check joint 0 1MPa 76cmHg Handle Lo Service valve Service valve Liquid side Service valve cap Service valve cap Service valve cap tightening torq...

Page 46: ...ogether can result in the malfunctioning or a failure of the unit due to electric noises t Fasten cables so that may not touch the piping etc t When cables are connected make sure that all electrical components within the electrical component box are free of loose connector coupling or terminal connection and then attach the cover securely Improper cover attachment can result in malfunctioning or ...

Page 47: ...nal connections Grounding terminals are provided in the control box N L 1 2 N 3 1 2 N 3 Safety breaker 16A Earth leakage circuit breaker h t r a E h t r a E Power supply Indoor unit Outdoor unit Model SRC ZMX S N L D1 D2 D3 C D1 D2 D3 Safety breaker 16A Earth leakage circuit breaker Power supply DRED Outdoor unit 1 2 N 3 1 2 N 3 Indoor unit Model SRC ZMXA S C Connecting cable between outdoor unit ...

Page 48: ... OK Remove Check whether an existing pipe system is reusable or not by using the following flow chart Are not there any loose pipe supports Are there any branch pipes with no indoor unit connected NO Please consult with our distributor in the area if you need to recover refrigerant and charge it again Any combinations of pipe sizes not listed in the table are not usable If you obtain a negative fi...

Page 49: ...nous button TEMPERATURE button AIR FLOW UP DOWN button TIME SET UP switch SLEEP button CLEAN switch ON TIMER button TIMER button ACL switch PROGRAM button Operation section HI ECO button AIR FLOW LEFT RIGHT button SILENT button OFF TIMER button WEEKLY button FAN SPEED button 3D AUTO button NIGHT SETBACK button SET Child Lock button CANCEL button Transmission section Each time the button is pressed...

Page 50: ...to restart is disabled See the diagram at right Jumper wire J170 Function operation mode Indoor temperature setting Fan speed Flap Louver Timer Switch COOL About 24ºC Auto Auto Continuous DRY About 25ºC HEAT About 26ºC Unit ON OFF button Reception pip When two air conditioners are installed in the room use setting when the two air conditioners are not operated with one wireless remote control Set ...

Page 51: ...ll start from the set time d When the following operation are set HIGH POWER operation will be canceled When the HI POWER ECONO button is pressed again When the 3D AUTO botton is pressed When the operation mode is changed When the SILENT botton is pressed When it has been 15 minutes since HIGH POWER operation has started When the NIGHT SETBACK botton is pressed e Not operable while the air conditi...

Page 52: ...angle is memorized in the microcomputer the flap or louver will automatically be set at this angle when the next operation is started e When not operating The flap returns to the position of air flow directly below when operation has stopped COOL DRY FAN Remote control display HEAT Approx 5 Approx 20 Approx 20 Approx 35 Approx 35 Approx 45 Approx 75 Swing Flap stopped Approx 45 Approx 60 Approx 60...

Page 53: ...assed the air flow direction is determined according to the indoor temperature and setting temperature b During DRY Operation including auto DRY operation Cooling Air flow selection Operation mode AUTO HI MED LO Heating Indoor temp Setting temp 5 C Indoor temp Setting temp 5 C Setting temp Indoor temp 5 C Setting temp Indoor temp 5 C HIGH POWER AUTO HI MED LO HIGH POWER AUTO Flap Louver Cooling Up...

Page 54: ...unit is running press the ON OFF button to stop The installation location setting cannot be made while the unit is running ii Press the AIR FLOW UP DOWN button and the AIRFLOW LEFT RIGHT button together for 5 seconds or more The installation location display illuminates iii Setting the air conditioning installation location Press the AIR FLOW LEFT RIGHT button and adjust to the desired location Ea...

Page 55: ...event blowing of cool wind However if the fan speed setting is HI and room temperature is 19ºC or higher this control is not executed ON OFF ON ON ON OFF few minutes ON ON ON HOT KEEP OFF OFF 3 minutes ON OFF OFF Thermostat ON Thermostat OFF Failure Heating Compressor Indoor fan motor Outdoor fan motor 4 way valve 12 106rps 12 106rps 12 74rps 12 42rps SRK50ZMXA S 30 115rps 30 115rps 30 76rps 30 46...

Page 56: ...p operation Max 16 minutes and 50 seconds 5 During continuous compressor operation In addition when the speed command from the indoor controller of the indoor unit during heating operation has counted 0 rps 10 times or more and all conditions of 1 2 3 and 5 above and the outdoor air temperature is 3ºC or less are satisfied note that when the temperature for outdoor heat exchanger sensor TH1 is 5ºC...

Page 57: ...ration mode and then begins in the automatic operation 16 Outline of dry dehumidifying operationion a Purpose of DRY mode The purpose is Dehumidification and not to control the humidity to the target condition Indoor outdoor unit control the operation condition to reduce the humidity and also prevent over cooling b Outline of control i Indoor unit fan speed and compressor are controlled by the are...

Page 58: ...g dehumidifying or by 2 C dur ing heating a Dew prevention control Ⅱ Cooling Prevents dewing on the indoor unit SRK50 60ZMXA S only i Operating conditions When the following conditions have been met for more than 30 minutes after starting operation 1 Compressor s command speed is 28 rps or higher 2 Detected value of humidity is 68 or higher ii Contents of operation 1 Air capacity control Note 1 Ra...

Page 59: ...r limit of compressor command speed is set to 30 or 40 rps and even if the calculated result becomes lower than that after fuzzy calculation the speed is kept to 30 or 40 rps However when the thermo OFF the speed is reduced to 0 rps iii Reset conditions When either of the following condition is satisfied 1 The outdoor air temperature is lower than 40ºC 2 The compressor command speed is 0 rps Notes...

Page 60: ...es for 20 seconds while the compressor command speed is other than 0 rps ii Detail of operation 1 The lower limit of the compressor command speed is set to 44 30 45 35 rps and even if the speed be comes lower than 44 30 45 35 rps the speed is kept to 44 30 45 35 rps However when the thermo OFF the speed is reduced to 0 rps 2 The upper limit of the compressor command speed is set to 50 60 60 75 rps...

Page 61: ...PSmin 97 48 5 56 55 5 58 61 97 RPSmin 104 48 5 55 5 51 5 58 53 5 61 104 RPSmin 115 48 5 42 1 51 5 44 53 5 47 3 61 115 RPSmin 42 1 44 47 3 61 Note 1 RPSmin The lower one between the outdoor speed and the compressor command speed Models SRK20 35 A B C D RPSmin 50 45 52 54 5 61 50 RPSmin 115 45 52 57 61 51 5 115 RPSmin 120 45 43 52 50 57 51 5 120 RPSmin 43 50 55 51 5 Models SRK50 60 Unit ºC Note 1 RP...

Page 62: ...ing low outdoor temperature protective control iii Reset conditions 10 8 2 2 Lower limit 45 rps Lower limit 40 rps Normal operation Outdoor air temperature C 11 13 16 17 Normal operation Protective control ON1 Protective control ON2 Outdoor air temperature C Model SRK50 Models SRK20 35 i ࠉ Operating conditions When the outdoor air temperature TH2 is lower than 4ºC or 13ºC or higher continues for 3...

Page 63: ...d continues operation for 20 seconds without changing then the speed is reduced again by 4 rps 3 If the discharge pipe temperature is in the range of 90 100ºC 95 105ºC even when the compressor command speed is maintained for 3 min utes when the temperature is in the range of 90 100ºC 95 105ºC the speed is raised by 1 rps and kept at that speed for 3 minutes This process is repeated until the comma...

Page 64: ...i If the outdoor unit sends a 0 rps signal to the indoor unit 3 times or more within 20 minutes of the power being turned on m Indoor fan motor protection When the air conditioner is operating and the indoor fan motor is turned ON if the indoor fan motor has operated at 300 min 1 or under for more than 30 seconds the unit enters first in the stop mode and then stops the entire system q Outdoor fan...

Page 65: ...ion of the defrost control 2 Other than the defrost control 3 When after meeting the conditions of 1 and 2 above the compressor speed indoor temperature Th1 and in door heat exchanger temperature Th2 have met the conditions in the following table for 5 minutes Compressor speed N Operation mode Cooling SRK20 35 SRK50 60 Heating 2 Indoor temperature Th1 Th1 4 Th2 Indoor temperature Th1 Indoor heat e...

Page 66: ...ec ON OFF TIMER light Display in DRED mode Display in DRED mode during Defrost operation RUN light ON OFF 2 sec 2 sec 0 5 sec 2 sec 0 5 sec TIMER light ON OFF Table AIR CONDITIONER DEMAND RESPONSE MODES Demand response mode DRM Description of operation in this mode Remarks DRM1 Compressor off DRM2 Compressor speed control The air conditioner continues to cool or heat during the demand response eve...

Page 67: ... 2 TROUBLESHOOTING PROCEDURES FOR ELECTRICAL EQUIPMENT 1 Cautions 2 Items to check before troubleshooting 3 Troubleshooting procedure If the air conditioner does not run at all Important YES YES YES NO NO NO NO YES Reference Reference AC proced wireless ...

Page 68: ... 66 14 SRK T 155 09 SRK DB 087D 4 Troubleshooting procedure If the air conditioner runs NO NO NO NO YES YES YES YES 67 68 74 68 74 ...

Page 69: ... outdoor unit s fan motor speed continues for 30 seconds or longer at 75 min 1 or lower 3 times The air conditioner stops Defective fan motor poor connector connection Outdoor fan motor error 7 time flash ON ON E 48 When the value of the outdoor heat exchanger sensor exceeds the set value Overload operation overcharge Broken outdoor heat exchange sensor wire Service valve is closed Cooling high pr...

Page 70: ...ta are recorded for up to 5 previous occurrences Data which are older than the 5th previous occurrence are erased In addition data on the temperature of each sensor room temperature indoor heat exchanger outdoor heat exchanger outdoor air temperature discharge pipe remote control information operation switching fan speed switching are recorded when trouble occurs so more detailed information can b...

Page 71: ... Fan speed mode mode mode 21ºC 22ºC 23ºC 24ºC 25ºC 1 time previous previous time 2 times previous 3 times previous 4 times previous 5 times previous Only for indoor heat exchanger sensor 2 Indicates the number of occasions previous to the present the error display data are from Temperature setting 26ºC 27ºC 28ºC 29ºC 30ºC 1 time previous previous time 2 times previous 3 times previous 4 times prev...

Page 72: ...the stop stop code 2 times previous when the air conditioner was stopped by protective stop control Displays the reason for the stop stop code 3 times previous when the air conditioner was stopped by protective stop control Displays the reason for the stop stop code 4 times previous when the air conditioner was stopped by protective stop control Displays the reason for the stop stop code 5 times p...

Page 73: ...rent safe 58 8 time flash Connection lines between the indoor and outdoor units are faulty 61 1 time flash Serial transmission error 62 2 time flash Discharge pipe sensor is abnormal anomalous stop 39 9 time flash Rotor lock 60 OFF 5 times 3 times 3 times 3 times 2 times Number of flashes when in service mode RUN light 10 s digit TIMER light 1 s digit Stop coad or Error coad Error content Cause Oc...

Page 74: ...N HEAT TIMER light 1 s digit Display pattern when in service mode Fan speed mode when there is an abnormal stop 2 time flash 3 time flash 4 time flash AUTO HI MED LO 5 time flash ULO 6 time flash 7 time flash operation mode and fan speed mode becomes as follows HI POWER ECONO Mode Operation mode Fan speed mode 0 5 sec 1 5 sec RUN light 10 s digit TIMER light 1 s digit 11 second interval 0 5 sec OF...

Page 75: ... 84 94 55 45 35 25 15 5 5 15 25 35 45 55 65 75 85 95 56 46 36 26 16 6 6 16 26 36 46 56 66 76 86 96 57 47 37 27 17 7 7 17 27 37 47 57 67 77 87 97 58 48 38 28 18 8 8 18 28 38 48 58 68 78 88 98 59 49 39 29 19 9 9 19 29 39 49 59 69 79 89 99 No does not sound Sensor name Room temperature sensor Indoor heat exchanger sensor Outdoor air temperature sensor Outdoor heat exchanger sensor 64ºC 64ºC 64ºC 64ºC...

Page 76: ... 126 146 48 28 8 8 28 48 68 88 108 128 148 50 30 10 10 30 50 70 90 110 130 150 52 32 12 12 32 52 72 92 112 132 54 34 14 14 34 54 74 94 114 134 56 36 16 16 36 56 76 96 116 136 58 38 18 18 38 58 78 98 118 138 No does not sound Sensor value displayed when the error code is normal 64ºC 0 5 sec 0 1 sec 1 5 sec 11 second interval 0 5 sec OFF ON OFF ON OFF ON temperature information data Buzzer sound If ...

Page 77: ... 75 14 SRK T 155 09 SRK DB 087D Service data record form 69 Operation mode Fan speed mode Wireless r Wireless r Wireless r Wireless r Wireless r wireless Wireless r ...

Page 78: ...70 0 10 Discharge pipe sensor temperature characteristics Indoor fan motor error Broken sensor wire connector poor connection 0 0 20 40 60 80 100 120 135 20 40 60 80 100 120 140 160 180 Temperature C Resistance k Defective fan motor connector poor connection defective indoor PCB 81 for the fan motor and indoor PCB check pro Power supply reset Is it normalized Malfunction by temporary noise Replace...

Page 79: ... short circuit Compressor output is open phase Outdoor PCB is faulty Service valve is closed EEV is faulty Compressor faulty Current safe stop Overload operation compressor lock overcharge 86 SRC20 35 1 703Ω U V V W U W or more at 20ºC SRC50 60 0 864Ω U V V W U W or more at 20ºC ...

Page 80: ... 78 14 SRK T 155 09 SRK DB 087D Over heat of compressor Gas shortage defective discharge pipe sensor Error of signal transmission Wiring error including power cable defective indoor outdoor PCB 76 ...

Page 81: ...7 Outdoor fan motor error Defective fan motor connector poor connection defective outdoor PCB See page 84 for the fan motor and outdoor PCB check pro After making sure the fan motor and outdoor PCB are nor Power supply reset Is it normalized Malfunction by temporary noise Replace fan motor If the error persists after replacing the fan motor replace the outdoor PCB the fan motor and outdoor ourdoor...

Page 82: ...Defective outdoor PCB Replace NO YES YES Is the space for installation of indoor and or outdoor unit enough Is there any short circuit of air on indoor and or outdoor unit At heating does the indoor fan motor run Is the filter clogged Is there any liquid flooding Is there any anomalous sound on the compressor After resetting power for several times does it become normal Temporary noise may cause o...

Page 83: ... Heating Ourdoor air temperature sensor Cooling Heating Discharge pipe sensor All modes Defrosting is performed for 10 minutes at approx 35 minutes Defrosting is performed for 10 minutes at approx 35 minutes Compressor stop The compressor cannot pick up its speed owing to the current safe so that the designed capacity is not achieved The compressor cannot pick up its speed owing to the heating ove...

Page 84: ...d 20V Replace indoor PCB YES b Indoor unit fan motor check procedure 1 Indoor PCB output check 2 Fan motor resistance check FMI DC15V Indoor PCB DC 308 336V DC several V 4 6 V CNU GND Blue Yellow White Black Red Measuring point Resistance when normal Measuring point Voltage range when normal k M ...

Page 85: ...eration Faulty part other than fan motor YES Fan motor is faulty YES YES YES NO NO NO Replace the faulty part and the fuse Test run then the unit for checking Is there any damage on the internal circuit of fan motor Check the resistance value to judge See pages 82 to 86 Is the fuse blown on the indoor and outdoor PCB Is there any faulty part fan motor etc See pages 81 to 86 Replace the fuse on the...

Page 86: ...pprox 20V Inspection power transistor Remove the fasten terminal and test output voltage Inspection of outdoor fan motor See page 86 Check point of outdoor unit Color Color symbol OR Mark Brown BR Yellow Green Y G Black BK Blue BL White WH Red RD Orange Display Voltage range Voltage check in PCB The normal range is as follows DC280V DC230V DC310V DC220V DC218V DC222V DC213V DC212V DC214V DC215V DC...

Page 87: ...ection of outdoor fan motor See page 86 Check point of outdoor unit Color Color symbol OR Mark Brown BR Yellow Green Y G Black BK Blue BL White WH Red RD Orange Display Voltage range Voltage check in PCB The normal range is as follows DC280V DC230V DC310V DC220V DC218V DC222V DC213V DC212V DC214V DC215V DC214V DC216V DC225V DC224V DC226V DC 2 5V DC 2 3V DC22 5V M T2 BK WH RD V W U M CNTH CNEEV CNF...

Page 88: ...ansion valve as a separate unit Measuring point Resistance when normal b Outdoor unit fan motor check procedure Measuring point Voltage range when normal DC15V DC several 4 7V Outdoor PCB GND DC308 336V CNFAN Red Black White Yellow Blae FM0 1 2 3 i ii iii DC iv i Fan motor resistance check Measuring point Resistance when normal k ii Black Black ...

Page 89: ...case with a nipper or knife and grind burrs with a file etc Install the lower case to the flat wall with attached two wooden screws Connect the remote control cord to the terminal block Connect the terminal of remote control with the terminal of indoor unit X Y X and Y are no polarity Wiring route is as shown in the right dia depending on the pulling out direction The wiring inside the remote cont...

Page 90: ...ntrol cord or center upper part nipper or knife n screws Connect the remote control cord to the terminal block Connect the terminal of remote control X Y with the terminal of indoor unit X Y X and Y are no polarity Wiring route is as shown in the right diagram depending on the pulling out direction The wiring inside the remote control case should be within 0 3mm2 recommended to 0 5mm2 The sheath s...

Page 91: ...n changes to FUNCTION SET 2 Press button once and change to the TEMP RANGE indication 3 Press SET button and enter the temperature range setting mode 4 Select UPPER LIMIT or LOWER LIMIT by using button 5 Press SET button to fix 6 When UPPER LIMIT is selected valid during heating Press SET button to fix Indication example UPPER 26 C Displayed for two seconds After the fixed upper limit value displa...

Page 92: ...n 04 accordingly You can select the louver stop position in the four The louver can stop at any position In normal working indication indoor unit temperature is indicated instead of airflow Only the master remote control can be indicated Heating preparation indication should not be indicated Temperature indication is by degree C Temperature indication is by degree F ON OFF button finished Start St...

Page 93: ...5 C increase in return air temperature of indoor unit To be reset producing 1 0 C increase in return air temperature of indoor unit To be reset producing 1 0 C increase in return air temperature of indoor unit To be reset producing 1 5 C increase in return air temperature of indoor unit To be reset producing 2 0 C increase in return air temperature of indoor unit When heating thermostat is OFF fan...

Page 94: ...ntrol How to check the current setting When you select from No and funcion and press set button by the previous operation the Setting displayed first is the current setting But if you select ALL UNIT the setting of the lowest number indoor unit is displayed Stop air conditioner and press SET MODE buttons at the same time for over three seconds and the FUNCTION SET will be displayed Press SET butto...

Page 95: ...utions Before use please read these Safety Precautions thoroughly before installation All the cautionary items mentioned below are important safety related items to be taken into consideration so be sure to observe them at all times Incorrect installation could lead to serious consequences such as death major injury or envirommental destruction Symbols used in these precautions After completed ins...

Page 96: ...unit approximately 1 8m Be sure not to extend the connection cable on site If the connection cable is extended malfunction may occur Fix the interface on the wall pillar or the like Cut out the punch outs for the connection cables running into the casing with cutter Recess the electrical box procured locally and connection cables in the wall Mount the lower casing of the interface to the electrica...

Page 97: ... external remote control unit procured locally to CNT terminal In case of the pulse input switch OFF the DIP switch SW2 1 on the interface PCB When setting operation permission prohibition mode switch OFF the DIP switch SW2 3 on the interface PCB Connection of super link E board Functions of CNT connector Switch ON the DIP switch SW2 2 Factory setting ON on the interface PCB Wiring connection betw...

Page 98: ...ll the wired remote control with reference to the attached instruction manual of wired remote control B 0 3mm2 x 2 core cable should be used for the wiring of wired remote control C Maximum length of wiring is 600m If the length of wiring exceeds 100m change the size of cable as mentioned below 100m 200m 0 5mm2 x 2 core 300m or less 0 75mm2 x 2 core 400m or less 1 25mm2 x 2 core 600m or less 2 0mm...

Page 99: ... 97 14 SRK T 155 WARING CAUTION 3 Super link E board SC ADNA E F ...

Page 100: ... 98 14 SRK T 155 ...

Page 101: ... 99 14 SRK T 155 PARTS LIST INDOOR UNIT SRK20ZMXA S SRK25ZMXA S SRK35ZMXA S SRK50ZMXA SRK60ZMXA S S OUTDOOR UNIT SRC20ZMXA S SRC25ZMXA S SRC35ZMXA S SRC50ZMXA S SRC60ZMXA S TECHNICAL MANUAL ...

Page 102: ... 100 14 SRK T 155 CRAE0282 43 7 6 7 8 5 10 10 43 1 41 12 30 34 29 31 42 11 13 32 3 23 22 4 40 2 37 37 38 39 35 36 38 28 33 14 27 26 15 19 19 16 17 20 21 18 25 24 19 19 9 PANEL FAN ASSY ...

Page 103: ...003 FLAP ASSY L 1 1 1 2 2 17 RKY 436A 009 LOUVER ASSY 1 1 1 2 2 18 RKY 436A 009A LOUVER ASSY 1 1 1 2 2 6 R A L L O C 0 0 2 C 5 3 9 W K R 9 1 20 21 RKY 144A 010 LINK ASSY R 1 1 1 1 2 RIGHT 21 SSA 512T 096 MOTOR STEPPING 2 1 1 1 2 FOR FLAP LOUVER 22 23 RKY 144A 011A LINK ASSY L 1 1 1 1 2 LEFT 23 SSA 512T 096 MOTOR STEPPING 1 1 1 1 2 FOR LOUVER 24 RKY 504A 003B HARNESS ASSY 1 1 1 1 2 25 RKY 504A 004A...

Page 104: ... Recommendable Purchased Q ty 10 30 50 100 500 1000 Note No Part No Part Name RE Q 40 RKY 129A 030 COVER CONNECTOR 1 1 R D I L C 1 0 0 A 2 3 1 Y K R 1 4 1 1 2 4 1 L D I L A 2 0 0 A 2 3 1 Y K R 2 4 1 1 2 4 4 1 4 7 2 P A T W E R C S 7 0 0 A 3 1 9 A S S 3 4 ...

Page 105: ... 103 14 SRK T 155 MEMO ...

Page 106: ... 104 14 SRK T 155 CRAE0283 1 2 5 6 9 11 12 18 10 7 8 17 16 3 4 28 27 24 25 26 13 14 15 23 19 21 22 20 HEAT EXCH CONTROL ...

Page 107: ...Y 1 12 SSA 561B 702B BLOCK TERMINAL 1 1 1 2 2 T1 13 15 RKY 505A 001PA PWB ASSY 1 2 2 4 8 14 SSA 555B 050C VARISTOR 1 1 1 1 2 Z1 15 SSA 564A 132 FUSE CURRENT 1 1 1 1 2 F1 3 15A 16 RKY 503A 001A DISPLAY ASSY 1 1 1 2 4 17 RKY 505A 003A PWB ASSY 1 2 2 4 8 18 RKJ 941F 001A SPRING LEAF 2 19 22 RKY 129A 032B DUCT UNIT ASSY 1 1 1 1 2 20 SSA 523J 031 SWITCH MICRO 1 1 1 1 2 21 RKY 504A 005 HARNESS ASSY 1 1 ...

Page 108: ... 106 14 SRK T 155 CRAE0282 43 7 6 7 8 5 10 10 43 1 41 12 30 34 29 31 42 11 13 32 3 23 22 4 40 2 37 37 38 39 35 36 38 28 33 14 27 26 15 19 19 16 17 20 21 18 25 24 19 19 9 PANEL FAN ASSY ...

Page 109: ...003 FLAP ASSY L 1 1 1 2 2 17 RKY 436A 009 LOUVER ASSY 1 1 1 2 2 18 RKY 436A 009A LOUVER ASSY 1 1 1 2 2 6 R A L L O C 0 0 2 C 5 3 9 W K R 9 1 20 21 RKY 144A 010 LINK ASSY R 1 1 1 1 2 RIGHT 21 SSA 512T 096 MOTOR STEPPING 2 1 1 1 2 FOR FLAP LOUVER 22 23 RKY 144A 011A LINK ASSY L 1 1 1 1 2 LEFT 23 SSA 512T 096 MOTOR STEPPING 1 1 1 1 2 FOR LOUVER 24 RKY 504A 003B HARNESS ASSY 1 1 1 1 2 25 RKY 504A 004A...

Page 110: ... Recommendable Purchased Q ty 10 30 50 100 500 1000 Note No Part No Part Name RE Q 40 RKY 129A 030 COVER CONNECTOR 1 1 R D I L C 1 0 0 A 2 3 1 Y K R 1 4 1 1 2 4 1 L D I L A 2 0 0 A 2 3 1 Y K R 2 4 1 1 2 4 4 1 4 7 2 P A T W E R C S 7 0 0 A 3 1 9 A S S 3 4 ...

Page 111: ... 109 14 SRK T 155 MEMO ...

Page 112: ... 110 14 SRK T 155 CRAE0283 1 2 5 6 9 11 12 18 10 7 8 17 16 3 4 28 27 24 25 26 13 14 15 23 19 21 22 20 HEAT EXCH CONTROL ...

Page 113: ...Y 1 12 SSA 561B 702B BLOCK TERMINAL 1 1 1 2 2 T1 13 15 RKY 505A 001PC PWB ASSY 1 2 2 4 8 14 SSA 555B 050C VARISTOR 1 1 1 1 2 Z1 15 SSA 564A 132 FUSE CURRENT 1 1 1 1 2 F1 3 15A 16 RKY 503A 001A DISPLAY ASSY 1 1 1 2 4 17 RKY 505A 003A PWB ASSY 1 2 2 4 8 18 RKJ 941F 001A SPRING LEAF 2 19 22 RKY 129A 032B DUCT UNIT ASSY 1 1 1 1 2 20 SSA 523J 031 SWITCH MICRO 1 1 1 1 2 21 RKY 504A 005 HARNESS ASSY 1 1 ...

Page 114: ... 112 14 SRK T 155 CRAE0282 43 7 6 7 8 5 10 10 43 1 41 12 30 34 29 31 42 11 13 32 3 23 22 4 40 2 37 37 38 39 35 36 38 28 33 14 27 26 15 19 19 16 17 20 21 18 25 24 19 19 9 PANEL FAN ASSY ...

Page 115: ...003 FLAP ASSY L 1 1 1 2 2 17 RKY 436A 009 LOUVER ASSY 1 1 1 2 2 18 RKY 436A 009A LOUVER ASSY 1 1 1 2 2 6 R A L L O C 0 0 2 C 5 3 9 W K R 9 1 20 21 RKY 144A 010 LINK ASSY R 1 1 1 1 2 RIGHT 21 SSA 512T 096 MOTOR STEPPING 2 1 1 1 2 FOR FLAP LOUVER 22 23 RKY 144A 011A LINK ASSY L 1 1 1 1 2 LEFT 23 SSA 512T 096 MOTOR STEPPING 1 1 1 1 2 FOR LOUVER 24 RKY 504A 003B HARNESS ASSY 1 1 1 1 2 25 RKY 504A 004A...

Page 116: ... Recommendable Purchased Q ty 10 30 50 100 500 1000 Note No Part No Part Name RE Q 40 RKY 129A 030 COVER CONNECTOR 1 1 R D I L C 1 0 0 A 2 3 1 Y K R 1 4 1 1 2 4 1 L D I L A 2 0 0 A 2 3 1 Y K R 2 4 1 1 2 4 4 1 4 7 2 P A T W E R C S 7 0 0 A 3 1 9 A S S 3 4 ...

Page 117: ... 115 14 SRK T 155 MEMO ...

Page 118: ... 116 14 SRK T 155 CRAE0283 1 2 5 6 9 11 12 18 10 7 8 17 16 3 4 28 27 24 25 26 13 14 15 23 19 21 22 20 HEAT EXCH CONTROL ...

Page 119: ...Y 1 12 SSA 561B 702B BLOCK TERMINAL 1 1 1 2 2 T1 13 15 RKY 505A 001PF PWB ASSY 1 2 2 4 8 14 SSA 555B 050C VARISTOR 1 1 1 1 2 Z1 15 SSA 564A 132 FUSE CURRENT 1 1 1 1 2 F1 3 15A 16 RKY 503A 001A DISPLAY ASSY 1 1 1 2 4 17 RKY 505A 003A PWB ASSY 1 2 2 4 8 18 RKJ 941F 001A SPRING LEAF 2 19 22 RKY 129A 032B DUCT UNIT ASSY 1 1 1 1 2 20 SSA 523J 031 SWITCH MICRO 1 1 1 1 2 21 RKY 504A 005 HARNESS ASSY 1 1 ...

Page 120: ... 118 14 SRK T 155 CRAE0282 43 7 6 7 8 5 10 10 43 1 41 12 30 34 29 31 42 11 13 32 3 23 22 4 40 2 37 37 38 39 35 36 38 28 33 14 27 26 15 19 19 16 17 20 21 18 25 24 19 19 9 PANEL FAN ASSY ...

Page 121: ...003 FLAP ASSY L 1 1 1 2 2 17 RKY 436A 009 LOUVER ASSY 1 1 1 2 2 18 RKY 436A 009A LOUVER ASSY 1 1 1 2 2 6 R A L L O C 0 0 2 C 5 3 9 W K R 9 1 20 21 RKY 144A 010 LINK ASSY R 1 1 1 1 2 RIGHT 21 SSA 512T 096 MOTOR STEPPING 2 1 1 1 2 FOR FLAP LOUVER 22 23 RKY 144A 011A LINK ASSY L 1 1 1 1 2 LEFT 23 SSA 512T 096 MOTOR STEPPING 1 1 1 1 2 FOR LOUVER 24 RKY 504A 003B HARNESS ASSY 1 1 1 1 2 25 RKY 504A 004A...

Page 122: ... Recommendable Purchased Q ty 10 30 50 100 500 1000 Note No Part No Part Name RE Q 40 RKY 129A 030 COVER CONNECTOR 1 1 R D I L C 1 0 0 A 2 3 1 Y K R 1 4 1 1 2 4 1 L D I L A 2 0 0 A 2 3 1 Y K R 2 4 1 1 2 4 4 1 4 7 2 P A T W E R C S 7 0 0 A 3 1 9 A S S 3 4 ...

Page 123: ... 121 14 SRK T 155 MEMO ...

Page 124: ... 122 14 SRK T 155 CRAE0284 1 2 5 6 9 11 12 13 19 10 7 8 18 17 3 4 29 28 25 26 27 14 15 16 24 20 22 23 21 HEAT EXCH CONTROL ...

Page 125: ...KY 504A 001 HARNESS ASSY 1 13 SSA 561B 702B BLOCK TERMINAL 1 1 1 2 2 T1 14 16 RKY 505A 001PH PWB ASSY 1 2 2 4 8 15 SSA 555B 050C VARISTOR 1 1 1 1 2 16 SSA 564A 132 FUSE CURRENT 1 1 1 1 2 Z1 17 RKY 503A 001A DISPLAY ASSY 1 1 1 2 4 F1 3 15A 18 RKY 505A 003A PWB ASSY 1 2 2 4 8 19 RKJ 941F 001A SPRING LEAF 2 20 23 RKY 129A 032B DUCT UNIT ASSY 1 1 1 1 2 21 SSA 523J 031 SWITCH MICRO 1 1 1 1 2 22 RKY 504...

Page 126: ... 124 14 SRK T 155 CRAE0282 43 7 6 7 8 5 10 10 43 1 41 12 30 34 29 31 42 11 13 32 3 23 22 4 40 2 37 37 38 39 35 36 38 28 33 14 27 26 15 19 19 16 17 20 21 18 25 24 19 19 9 PANEL FAN ASSY ...

Page 127: ...003 FLAP ASSY L 1 1 1 2 2 17 RKY 436A 009 LOUVER ASSY 1 1 1 2 2 18 RKY 436A 009A LOUVER ASSY 1 1 1 2 2 6 R A L L O C 0 0 2 C 5 3 9 W K R 9 1 20 21 RKY 144A 010 LINK ASSY R 1 1 1 1 2 RIGHT 21 SSA 512T 096 MOTOR STEPPING 2 1 1 1 2 FOR FLAP LOUVER 22 23 RKY 144A 011A LINK ASSY L 1 1 1 1 2 LEFT 23 SSA 512T 096 MOTOR STEPPING 1 1 1 1 2 FOR LOUVER 24 RKY 504A 003B HARNESS ASSY 1 1 1 1 2 25 RKY 504A 004A...

Page 128: ... Recommendable Purchased Q ty 10 30 50 100 500 1000 Note No Part No Part Name RE Q 40 RKY 129A 030 COVER CONNECTOR 1 1 R D I L C 1 0 0 A 2 3 1 Y K R 1 4 1 1 2 4 1 L D I L A 2 0 0 A 2 3 1 Y K R 2 4 1 1 2 4 4 1 4 7 2 P A T W E R C S 7 0 0 A 3 1 9 A S S 3 4 ...

Page 129: ... 127 14 SRK T 155 MEMO ...

Page 130: ... 128 14 SRK T 155 CRAE0284 1 2 5 6 9 11 12 13 19 10 7 8 18 17 3 4 29 28 25 26 27 14 15 16 24 20 22 23 21 HEAT EXCH CONTROL ...

Page 131: ...KY 504A 001 HARNESS ASSY 1 13 SSA 561B 702B BLOCK TERMINAL 1 1 1 2 2 T1 14 16 RKY 505A 001PK PWB ASSY 1 2 2 4 8 15 SSA 555B 050C VARISTOR 1 1 1 1 2 16 SSA 564A 132 FUSE CURRENT 1 1 1 1 2 Z1 17 RKY 503A 001A DISPLAY ASSY 1 1 1 2 4 F1 3 15A 18 RKY 505A 003A PWB ASSY 1 2 2 4 8 19 RKJ 941F 001A SPRING LEAF 2 20 23 RKY 129A 032B DUCT UNIT ASSY 1 1 1 1 2 21 SSA 523J 031 SWITCH MICRO 1 1 1 1 2 22 RKY 504...

Page 132: ... 130 14 SRK T 155 CRBE0276 6 13 11 12 15 16 3 17 14 2 4 9 8 7 5 1 8 8 10 PANEL FAN ASSY ...

Page 133: ... 1 2 3 1 E L D N A H B 6 3 0 B 4 4 9 A S S 6 7 RCV 142A 001 COVER TB 1 1 1 2 4 8 4 1 3 P A T W E R C S F 4 3 0 A 3 1 9 A S S 8 2 1 4 1 P A T W E R C S G 4 3 0 A 3 1 9 A S S 9 0 1 4 2 P A T W E R C S F 8 0 0 A 3 1 9 A S S 0 1 11 RCV 116A 006 BRACKET ASSY 1 12 SSA 512T 094 MOTOR DC 1 1 1 1 2 13 RCV 116A 003 BRACKET MOTOR U 1 14 RCV 141A 002A PLATE BAFFLE 1 15 SSA 431B 253 PROPELLER 1 1 1 2 4 1 H T T...

Page 134: ... 132 14 SRK T 155 CRBE0376 24 2 5 9 8 18 19 13 15 14 20 4 11 12 10 17 16 3 7 26 25 31 27 29 28 32 33 CONTROL ASSY 30 37 30 34 22 6 23 35 1 21 30 36 GAS LIQ HEAT EXCH CONTROL ...

Page 135: ... SOLENOID 1 1 1 1 2 FOR 20S 17 SSA 382F 210AY COIL SOLENOID 1 1 1 1 2 FOR EEV 18 AHT 201A 864DR COMPRESSOR ASSY 1 1 2 3 8 19 SSA 914C 013A NUT FLANGE 3 20 SSA 941C 346A CUSHION RUBBER 3 21 RSA 932C 004 GASKET COVER 1 22 RSA 947K 005 COVER TERMINAL 1 1 1 2 4 23 SSA 914C 016 NUT FLANGE 1 24 RCV 505A 351A PWB ASSY 1 2 2 4 8 PWB1 25 RCT 505A 304A PWB ASSY DRED 1 2 2 4 8 PWB2 26 RCV 011G 004 LABEL WIRI...

Page 136: ... 134 14 SRK T 155 CRBE0276 6 13 11 12 15 16 3 17 14 2 4 9 8 7 5 1 8 8 10 PANEL FAN ASSY ...

Page 137: ... 1 2 3 1 E L D N A H B 6 3 0 B 4 4 9 A S S 6 7 RCV 142A 001 COVER TB 1 1 1 2 4 8 4 1 3 P A T W E R C S F 4 3 0 A 3 1 9 A S S 8 2 1 4 1 P A T W E R C S G 4 3 0 A 3 1 9 A S S 9 0 1 4 2 P A T W E R C S F 8 0 0 A 3 1 9 A S S 0 1 11 RCV 116A 006 BRACKET ASSY 1 12 SSA 512T 094 MOTOR DC 1 1 1 1 2 13 RCV 116A 003 BRACKET MOTOR U 1 14 RCV 141A 002A PLATE BAFFLE 1 15 SSA 431B 253 PROPELLER 1 1 1 2 4 1 H T T...

Page 138: ... 136 14 SRK T 155 CRBE0376 24 2 5 9 8 18 19 13 15 14 20 4 11 12 10 17 16 3 7 26 25 31 27 29 28 32 33 CONTROL ASSY 30 37 30 34 22 6 23 35 1 21 30 36 GAS LIQ HEAT EXCH CONTROL ...

Page 139: ... SOLENOID 1 1 1 1 2 FOR 20S 17 SSA 382F 210AY COIL SOLENOID 1 1 1 1 2 FOR EEV 18 AHT 201A 864DR COMPRESSOR ASSY 1 1 2 3 8 19 SSA 914C 013A NUT FLANGE 3 20 SSA 941C 346A CUSHION RUBBER 3 21 RSA 932C 004 GASKET COVER 1 22 RSA 947K 005 COVER TERMINAL 1 1 1 2 4 23 SSA 914C 016 NUT FLANGE 1 24 RCV 505A 351A PWB ASSY 1 2 2 4 8 PWB1 25 RCT 505A 304A PWB ASSY DRED 1 2 2 4 8 PWB2 26 RCV 011G 004 LABEL WIRI...

Page 140: ... 138 14 SRK T 155 CRBE0276 6 13 11 12 15 16 3 17 14 2 4 9 8 7 5 1 8 8 10 PANEL FAN ASSY ...

Page 141: ... 1 2 3 1 E L D N A H B 6 3 0 B 4 4 9 A S S 6 7 RCV 142A 001 COVER TB 1 1 1 2 4 8 4 1 3 P A T W E R C S F 4 3 0 A 3 1 9 A S S 8 2 1 4 1 P A T W E R C S G 4 3 0 A 3 1 9 A S S 9 0 1 4 2 P A T W E R C S F 8 0 0 A 3 1 9 A S S 0 1 11 RCV 116A 006 BRACKET ASSY 1 12 SSA 512T 094 MOTOR DC 1 1 1 1 2 13 RCV 116A 003 BRACKET MOTOR U 1 14 RCV 141A 002A PLATE BAFFLE 1 15 SSA 431B 253 PROPELLER 1 1 1 2 4 1 H T T...

Page 142: ... 140 14 SRK T 155 CRBE0376 24 2 5 9 8 18 19 13 15 14 20 4 11 12 10 17 16 3 7 26 25 31 27 29 28 32 33 CONTROL ASSY 30 37 30 34 22 6 23 35 1 21 30 36 GAS LIQ HEAT EXCH CONTROL ...

Page 143: ... SOLENOID 1 1 1 1 2 FOR 20S 17 SSA 382F 210AY COIL SOLENOID 1 1 1 1 2 FOR EEV 18 AHT 201A 864DR COMPRESSOR ASSY 1 1 2 3 8 19 SSA 914C 013A NUT FLANGE 3 20 SSA 941C 346A CUSHION RUBBER 3 21 RSA 932C 004 GASKET COVER 1 22 RSA 947K 005 COVER TERMINAL 1 1 1 2 4 23 SSA 914C 016 NUT FLANGE 1 24 RCV 505A 351A PWB ASSY 1 2 2 4 8 PWB1 25 RCT 505A 304A PWB ASSY DRED 1 2 2 4 8 PWB2 26 RCV 011G 004 LABEL WIRI...

Page 144: ... 142 14 SRK T 155 CRBE0315 9 13 15 16 14 17 7 6 4 1 8 3 11 5 18 10 10 10 2 12 PANEL FAN ASSY ...

Page 145: ...COVER ASSY SERVICE 1 1 1 1 2 1 E L D N A H B 6 3 0 B 4 4 9 A S S 7 8 RCT 131A 001 GUARD FIN 1 9 RCT 142A 004 COVER TB 1 1 1 2 4 8 4 9 2 P A T W E R C S F 4 3 0 A 3 1 9 A S S 0 1 2 1 4 1 P A T W E R C S G 4 3 0 A 3 1 9 A S S 1 1 0 1 4 2 P A T W E R C S F 8 0 0 A 3 1 9 A S S 2 1 13 RCT 116A 003 BRACKET MOTOR 1 14 SSA 512T 091A MOTOR DC 1 1 1 1 2 15 RCT 141A 001B PLATE BAFFLE 1 16 SSA 431B 250 PROPEL...

Page 146: ... 144 14 SRK T 155 CRBE0377 1 2 10 13 14 3 5 6 12 7 19 28 26 25 23 24 11 22 4 8 9 GAS LIQ 15 29 38 35 4034 27 37 34 36 39 30 31 32 33 16 17 20 21 18 HEAT EXCH CONTROL ...

Page 147: ...T 154D 302 INSULATION COMP 1 19 AHT 201C 134CA COMPRESSOR ASSY 1 1 2 3 8 RMT5113MCE2 20 SSA 914C 013A NUT FLANGE 3 21 SSA 941C 346A CUSHION RUBBER 3 22 RSA 932C 004 GASKET COVER 1 23 RSA 947K 005 COVER TERMINAL 1 1 1 2 4 24 SSA 914C 016 NUT FLANGE 1 25 RCT 505A 302HF PWB ASSY MAIN 1 2 2 4 8 PWB1 26 RCT 505A 004A PWB ASSY SUB 1 2 2 4 8 PWB2 27 RCT 505A 304 PWB ASSY DRED 1 2 2 4 8 PWB3 28 RCT 011G 0...

Page 148: ... 146 14 SRK T 155 CRBE0315 9 13 15 16 14 17 7 6 4 1 8 3 11 5 18 10 10 10 2 12 PANEL FAN ASSY ...

Page 149: ...COVER ASSY SERVICE 1 1 1 1 2 1 E L D N A H B 6 3 0 B 4 4 9 A S S 7 8 RCT 131A 001 GUARD FIN 1 9 RCT 142A 004 COVER TB 1 1 1 2 4 8 4 9 2 P A T W E R C S F 4 3 0 A 3 1 9 A S S 0 1 2 1 4 1 P A T W E R C S G 4 3 0 A 3 1 9 A S S 1 1 0 1 4 2 P A T W E R C S F 8 0 0 A 3 1 9 A S S 2 1 13 RCT 116A 003 BRACKET MOTOR 1 14 SSA 512T 091A MOTOR DC 1 1 1 1 2 15 RCT 141A 001B PLATE BAFFLE 1 16 SSA 431B 250 PROPEL...

Page 150: ... 148 14 SRK T 155 CRBE0377 1 2 10 13 14 3 5 6 12 7 19 28 26 25 23 24 11 22 4 8 9 GAS LIQ 15 29 38 35 4034 27 37 34 36 39 30 31 32 33 16 17 20 21 18 HEAT EXCH CONTROL ...

Page 151: ...T 154D 302 INSULATION COMP 1 19 AHT 201C 134CA COMPRESSOR ASSY 1 1 2 3 8 RMT5113MCE2 20 SSA 914C 013A NUT FLANGE 3 21 SSA 941C 346A CUSHION RUBBER 3 22 RSA 932C 004 GASKET COVER 1 23 RSA 947K 005 COVER TERMINAL 1 1 1 2 4 24 SSA 914C 016 NUT FLANGE 1 25 RCT 505A 302HF PWB ASSY MAIN 1 2 2 4 8 PWB1 26 RCT 505A 004A PWB ASSY SUB 1 2 2 4 8 PWB2 27 RCT 505A 304 PWB ASSY DRED 1 2 2 4 8 PWB3 28 RCT 011G 0...

Page 152: ...L AIR CONDITIONING TECHNICAL MANUAL PARTS LIST Copyright MITSUBISHI HEAVY INDUSTRIES LTD Because of our policy of continuous improvement we reserve the right to make changes in all specifications without notice C ...

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