background image

-

 9 

-

LO

MID

HI

AUTO

HI POWER

ECONO

ON

OFF

AM

PM

HI POWER TEMP

ECONO

AIR FLOW

CANCEL

ON

OFF

RESERVE

TIMER

TIME

ACL

FAN SPEED

ON

MODE

LO

MID

HI

AUTO

TIME

OFF

HI POWER

ECONO

ON

OFF

AM

PM

FAN SPEED button

Each time the button is pushed, the

 indi-

cator is switched over in turn.

The above illustration shows all controls, but in practice
only the relevant parts are shown.

OPERATION MODE select button

Each time the button is pushed, the

 indi-

cator is switched over in turn.

AIR FLOW button

This button changes the flap mode. When
pressed, this button changes the mode in the
following order:

ON/OFF button

Press for starting operation, press again for
stopping.

HI POWER button

This button changes the HI POWER mode.

ECONOMY button

This button changes the ECONOMY mode.

RESET switch

Switch for resetting microcomputer.

ON TIMER button

This button selects ON TIMER operation.

Clock switch

This switch for setting the clock.

OFF TIMER button

This button selects OFF TIMER operation.

TEMPERATURE button

This button sets the room temperature.
(This button changes the present time and
TIMER time.)

CANCEL button

This button cancels the ON timer and OFF
timer.

RESERVE button

This button sets the present time and
TIMER time.

S

 Indication section

OPERATION MODE Indicator

Indicates selected operation with

 lamp.

(Auto) • 

(Cool) • 

(Heat) • 

(Dry)]

TEMPERATURE Indicator

Indicates set temperature.
(Does not indicate temperature when operation
mode is on AUTO)

FAN SPEED Indicator

Indicates set air flow rate with

 lamp.

AIR FLOW Indicator

Shows selected flap mode.

HI POWER MODE indicator

Indicates during Hi power mode operation.

ECONOMY MODE indicator

Indicates during economy mode operation.

ON TIMER Indicator

Indicates during ON TIMER operation.

Clock Indicator

Indicates present time or timer setting time.

OFF TIMER Indicator

Indicates during OFF TIMER operation.

Models

All models

Remote controller

S

 Operation section

(Air scroll)

(SWING)

4

OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER

4.1 Operation control function by remote control switch

Summary of Contents for SRK28HD

Page 1: ...WALL MOUNTED TYPE ROOM AIR CONDITIONER Air to air heat pump type R22 use models SRK28HD SRK40HD TECHNICAL MANUAL PARTS LIST DRAFT ...

Page 2: ...INDOOR UNIT Models SRK28HD SRK40HD OUTDOOR UNIT Model SRC28HD REMOTE CONTROLLER Model SRC40HD ...

Page 3: ...is set on auto it will either automatically decide operation mode such as cooling heating and thermal dry or operate in the operation mode before it has been turned to automatic control 3 Self diagnosis function We are constantly trying to do better service to our customers by installing such judges that show abnormality of operation as follows Series No Heat pump type Product capacity Wall mounte...

Page 4: ... RUN Green TIMER Yellow HI POWER Green ECONO Orange Safety equipment O D mm in Liquid line φ6 35 1 4 Gas line φ9 52 3 8 Connecting method Flare connecting Attached length of piping Liquid line 0 4 m Gas line 0 33 m Insulation Necessary Both sides Drain hose Connectable Power source cord 2 5 m 3 cores with Earth Size Core number 1 5 mm2 4 cores Including earth cable Connection wiring Connecting met...

Page 5: ...lamp RUN Green TIMER Yellow HI POWER Green ECONO Orange Safety equipment O D mm in Liquid line φ6 35 1 4 Gas line φ12 7 1 2 Connecting method Flare connecting Attached length of piping Liquid line 0 4 m Gas line 0 33 m Insulation Necessary Both sides Drain hose Connectable Power source cord 2 5 m 3 cores with Earth Size Core number 1 5 mm2 4 cores Including earth cable Connection wiring Connecting...

Page 6: ...nd OFF interval Max 3 minutes Outdoor air temperature Upper lower limits Vertical height difference between outdoor unit and indoor unit Max 5m Outdoor unit is higher Max 5m Outdoor unit is lower Item Models Unit mm 117 5 580 117 5 148 5 216 5 216 5 8 2 44 5 236 1 5 7 450 450 67 5 42 7 47 2 175 44 5 216 5 216 5 148 5 53 5 Piping for Gas Drain hose 540 ø16 Piping for Liquid 465 1 ø6 35 Piping hole ...

Page 7: ...quide ø6 35 1 4 Service valve Gas ø12 7 1 2 Ground terminal 124 34 6 20 2 0 42 7 100 3 15 640 14 Model SRC40HD Unit mm 290 540 14 4 47 4 42 6 264 5 71 404 5 510 720 17 8 Drain holes 50 12 39 7 99 9 340 312 5 13 5 14 139 2 16x12 61 9 139 3 33 3 Flare connecting ø6 35 1 4 Service valve Liquid 4 0 4 0 Flare connecting ø9 52 3 8 Service valve Gas Terminal block ...

Page 8: ...scharge temp thermistor Heat exchanger thermistor Heat exchanger Outdoor air temp thermistor Cooling cycle Heating cycle Model SRK28HD Outdoor unit Indoor unit Flare connecting Room temp thermistor Heat exchanger Flare connecting Piping Liquid ø6 35 Heat exchanger thermistor Piping Gas ø12 7 Service valve Gas Check joint 4 way valve Service valve Liquid Strainer Capillary tube Compressor Accumulat...

Page 9: ...sting on the outdoor heat exchanger How to obtain the cooling and heating capacity Example The net cooling capacity of the model SRK40HD with the piping length of 15m indoor wet bulb temperature at 19 0 C and outdoor dry bulb temperature 35 C is Net cooling capacity 3600 0 975 1 0 3510 w SRK40HD Length 15m Factor by air temperatures 15 ISO T1 Standard Condition Outdoor air W B temperature C W B 0 ...

Page 10: ...BR BL CNB CNE CNG Th1 Th2 CNG Th4 Th5 Th6 CNB CNU Display Wireless R Amp 1 2 3 Black Brown Red Light blue White Yellow Green BK BR RD LB WH Y GN Color symbol Meaning of marks Symbol Parts name I Symbol Parts name ge temp thermistor Symbol Parts name CFI CM F FMI FMo SM Th1 Th2 Th4 Th5 Th6 Tr Capacitor for FMI Compressor motor Fuse Fan motor Indoor Fan motor Outdoor Flap motor Room temp thermistor ...

Page 11: ...the clock OFF TIMER button This button selects OFF TIMER operation TEMPERATURE button This button sets the room temperature This button changes the present time and TIMER time CANCEL button This button cancels the ON timer and OFF timer RESERVE button This button sets the present time and TIMER time S Indication section OPERATION MODE Indicator Indicates selected operation with lamp Auto Cool Heat...

Page 12: ...minates during operation Flashes at air flow stop due to the HOT KEEP ECONOMY light orange Illuminates during ECONOMY operation TIMER light yellow Illuminates during TIMER operation HI POWER light green Illuminates during HI POWER operation Models All models ...

Page 13: ...t No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 PANEL FRONT PANEL SIDE R PANEL SIDE L PANEL TOP GRILLE AIR OUTLET GUARD FIN BRACKET MOTOR MOTOR AC PROPELLER BASE ASSY HEAT EXCH AIR VALVE S 4WAY COIL ASSY SOLENOID COMPRESSOR ASSY PWB ASSY Parts No RSA382F010G Parts Name SRC40HD RWC122A003 RWC123A003 RWC123A002 RWC124A003 RWC435A002 RWC131A004 RWC116A041 SSA511C063 SSA431B233 RWC111A003F RPC311A851 SSA382C...

Page 14: ...WALL MOUNTED TYPE ROOM AIR CONDITIONER Air Conditioning Refrigeration Systems Headquarters 16 5 2 Chome Kounan Minato ku Tokyo 108 8215 Japan Fax 03 6716 5926 No 063 3A R ...

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