Carrier 52-2038-01 Service & Installation Manual Download

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DOMESTIC CMCT PARTS LIST – R-404

Description

CMCT-4

CMCT-6

CMCT-8

CMCT-10

Compressor

16-0322-00

16-0323-00

16-0324-00

Start Relay

17-0163-00

17-0167-00

Start Capacitor

17-0164-00

17-0165-00

17-0168-00

Run Capacitor

17-0166-00

19-2678-00

Condenser Coil

51-0709-02

51-0709-03

18-0533-00

Fan Motor

19-0933-00

19-0304-00

Fan Blade

19-0101-00

19-0706-00

Drier/ Filter

18-1109-00

Heat Exchanger

50-1106-01

50-1106-03

50-1109-00

CRO Valve

18-0365-00

18-0315-00

Capillary Tube

14-2402-00

14-2405-00

14-2403-00

Evaporator Coil

18-0079-06

18-0079-08

18-0079-10

18-0009-07

Heater, Defrost

19-1243-01

19-1243-03

19-1243-05

19-1243-06

Thermostat, Defrost Term

19-0833-00

Heater, Front Glass

19-0231-01

19-0231-03

19-0231-05

19-0231-06

Heater, Baffle

19-0235-07

19-0235-09

19-0235-11

19-0235-12

Heater, End Breaker

19-0853-00

Thermostat, control

19-0190-00

Switch, Power

19-0103-00

Time Clock

24-0513

19-0624-00

Service Cord

19-0620-00

Switch, Light

19-0133-00

Ballast, Lamp 30 Watt

19-0458-00

Ballast, Lamp 20 Watt

19-0146-00

Lamp, Fluorescent 30 Watt

19-0150-00

Lamp, Fluorescent 20 Watt

19-0149-00

Lamp, Fluorescent 34 Watt

19-0151-00

Lampholder

19-0142-00

Lampholer w/Starter Socket

19-0143-00

Lamp Starter, 30-40 watt

19-0145-00

Lamp Starter, 20 watt

19-0144-00

Track, LH End

08-0161-01

Track, RH End

08-0161-02

Track, Center

08-0190-00

Track, Lid Slide

10-0200-00

10-0200-01

10-0200-02

10-0200-03

Bumper, Front

08-0165-01

08-0165-03

08-0165-05

08-0165-06

Trim, Front Bumper

10-0936-01

10-0936-03

10-0936-05

10-0936-06

Rail, glass

08-0168-01

08-0168-03

08-0168-05

08-0168-06

Post, Vertical Trim LH

08-0518-01

Post, Vertical Trim RH

08-0518-02

Trim, side Arm

10-0935-00

Breaker, End Panel LH

10-0094-01

Breaker, End Panel RH

10-0094-02

Handle, Lid

10-0218-01

10-0218-03

10-0218-05

10-0218-06

Front Grill

50-4192-04

Glass, Front

20-0008-01

20-0008-03

20-0008-05

20-0010-00

Lid Assy, Glass

50-1756-07

50-1756-09

50-1756-11

50-1756-12

Glass, Lid

20-0047-01

20-0047-03

20-0047-05

20-0047-06

Counter Top

12-0522-01

12-0522-03

12-0522-05

12-0522-06

Parts List - CMCT's

PARTS LIST

Summary of Contents for 52-2038-01

Page 1: ...SERVICE INSTALLATION MANUAL CARRIER COMMERCIAL REFRIGERATION INC Providing BEVERAGE AIR FRIGIDAIRE KELVINATOR UNIVERSAL NOLIN Products Services Frozen Food Ice Cream Merchandisers CMCT 2 03 51 1021 01...

Page 2: ...ned in this manual which should be retained in a convenient location for future reference All data and information in this manual is subject to change without notice MODEL DESIGNATION INFORMATION 115V...

Page 3: ...SECTION I Introduction...

Page 4: ...length Operating ambients range from 70 F to 85 F with cavity temperatures at load line between 0 F to 20 F Except for routine cleaning these cabinets will require little maintenance In the unusual ev...

Page 5: ...Models 4 6 8 Export 14 Lamp Wiring Detail Upper Raceway 15 MAINTENANCE REPAIR Cabinet Temperature Control 19 Electrical Box Layout 20 Defrost Timer Layout 21 Cabinet Electrical Supply 22 Condensing U...

Page 6: ...vity Coil Cold Wall Fin Tube Gravity Coil Cold Wall Fin Tube Gravity Coil Cold Wall Fin Tube Gravity Coil Cold Wall Refrigerant Type R404A R 404A R 404A R 404A Refrigerant Control Capillary Capillary...

Page 7: ...minimum clearance behind for proper air circulation The cabinet must be installed on a sturdy solid level floor The cabinet must be located so it can be plugged or wired into a properly grounded thre...

Page 8: ...s utilizing 404A refrigerant 1 2 HP on the CMCT 4 and CMCT 6 3 4 HP on the CMCT 8 1 HP on the CMCT 10 A back pressure valve is used to protect the compres sor against excessive pressures during initia...

Page 9: ...is wired in series with the defrost heater This thermostat will also open the heater circuit when the top coil reaches 76 F should any malfunction of the defrost thermostat occur Any time the system...

Page 10: ...d Breaker Heater behind 960 15 12 120 each End Breaker Glass Heater around 134 107 89 120 Front Glass CMCT 6 OHMS WATTS AMPS VOLTS Def Heater on Bottom side 15 9 904 7 5 120 of Top Coil Control Bellow...

Page 11: ...RIG OZ TUBE SUCT DISCH SETTING TEMP CMCT 4 8 0 115V 6 8 115V 404A 22 8 x 042 ID 2 225 No 7 22 F CMCT 6 8 0 115V 8 4 115V 404A 23 8 x 042 ID 5 223 No 7 19 F CMCT 8 12 0 115V 12 0 115V 404A 27 7 x 049 I...

Page 12: ...t Glass Heated Glass Lid 41 3 14 58 24 each ECMCT 6 OHMS WATTS AMPS VOLTS Def Heater on Bottom side 51 904 4 2 215 of Top Coil Control Bellows Heater below 5375 9 04 215 Def Controls End Breaker Heate...

Page 13: ...12 INTRODUCTION WIRING DIAGRAM 00 1667 00 CMCT 4 6 8...

Page 14: ...INTRODUCTION 13 WIRING DIAGRAM 00 1670 00 CMCT 10...

Page 15: ...14 INTRODUCTION WIRING DIAGRAM 00 1934 00 ECMCT 4 6 8 Export Models...

Page 16: ...INTRODUCTION 15 LAMP WIRING DETAIL Upper Raceway Typical...

Page 17: ...SECTION II Maintenance Repair...

Page 18: ...apillary is inserted in a copper bulb well just to the right of the control The well is approximate ly 20 long and is secured to the cold wall evaporator The control reacts to the evaporator temperatu...

Page 19: ...n be pulled out for component troubleshooting The following components are located within the box CAUTION 1 Defrost Timer 1 24 Hours 5 Main Terminal Board 2 Run Capacitor 6 115V Power Supply Switch 11...

Page 20: ...t time of day by turning the inner knob counterclockwise until the correct time is opposite the time indicator on the clock The time clock is set to go into defrost once every 24 hours This defrost oc...

Page 21: ...must be on a dedicated cir cuit unto themselves Failure to do so could result in loss of product Wiring and connections in power supply system must meet all applica ble local and national electrical c...

Page 22: ...to aid service personnel in the event service is needed Disconnect the power supply before servicing the cabinet 1 Remove front grill 2 Remove two 2 hold down bolts that are located in the front base...

Page 23: ...CONDENSING UNIT LAYOUT 24 MAINTENANCE REPAIR...

Page 24: ...IT COMPARTMENT REAR CMCT 10 models still use fin and tube condensers NOTE 1 1 1 1 2 2 2 2 3 3 3 3 4 4 4 4 1 Accordian Coil 2 Process Tube Evaporator 3 Suction Line 4 Cap Tube Inlet MAINTENANCE REPAIR...

Page 25: ...n the top left back wall NOTE EVAPORATOR TANK WRAP RIGHTHAND REAR OF CABINET Capillary tube and heat exchange are foamed in place Three lines exit the cabinet shell 11 1 4 Process Line 12 Capillary Tu...

Page 26: ...s used are polyol esters Special consideration must be made when handling these oils Processing procedures must be more rigorous to avoid absorbing moisture Also P O E s are better solvents which mean...

Page 27: ...SIG and should not be changed To check this setting it is necessary that the pressure on the inlet side or evaporator side of the valve be above 10 PSIG Put cabinet into defrost cycle to obtain high l...

Page 28: ...cal box is connected via a wiring harness to the upper lighting channel which houses the following components CAUTION 1 Product Reflector 4 Light Ballast 2 Defrost Termination Control 5 Lamp Receptabl...

Page 29: ...st behind the light fixture at the warm air intake to coil The baffle can be accessed by removing screws located at the bottom edge of V baffle The heater is attached at the back side of the V baffle...

Page 30: ...ews in the end panel breaker A and pull breaker down and out 2 Disconnect heater leads from end panel breaker heater A and pull end panel breaker out 3 To remove end panel breaker heater remove tape C...

Page 31: ...abinet 1 Disconnect the defrost heater leads located on the lower right hand side of the lamp channel Figure 1 2 Remove the air diverter shown as Figure 2 This will expose the defrost heater rack whic...

Page 32: ...UPPER CROSS SECTION CMCT Models...

Page 33: ...ws in end track B Pull track forward and lift up Typical both ends Not necessary for glass removal 5 Remove two 2 screws in the front of center track G and swing center track from dotted line position...

Page 34: ...in order to service various interior components as shown below 1 Product Reflector 4 Upper Electrical Component Housing 2 Defrost Heater Plug 5 Righthand Arm Heater Leads 3 Lamp MAINTENANCE REPAIR 35...

Page 35: ...bulb well Lift the sub top up and out of the cabinet CAUTION 1 Defrost Termination High Limit Control 3 Defrost Heater Receptacle 2 Defrost Termination Bulb Well 4 Sub Top G Lift the insulation up and...

Page 36: ...connections on the lefthand end of the cabi net Take care when reinstalling the coil housing cover Reseal areas where moisture could migrate down into the coil area This coil area runs at a temperatu...

Page 37: ...ck mechanism off defrost Should this thermostat be in the closed position when the clock trips into the defrost cycle it will immediately trip it off again NOTE Switch between terminals 1 2 will not o...

Page 38: ...SECTION III Parts List...

Page 39: ...ertical Trim Post RH 6 Center Track 11 Nameplate 2 End Track LH 7 Glass Lid 12 Front Bumper 3 Countertop 8 Glass Rail 13 Bumper Trim 4 End Trim 9 Front Glass 14 Front Trim Panel Upper 5 Lighted Sign 1...

Page 40: ...19 0458 00 19 0458 00 19 0458 00 19 0458 00 Ballast Lamp 20 Watt 19 0146 00 Lamp Fluorescent 30 Watt 19 0150 00 19 0150 00 19 0150 00 19 0150 00 Lamp Fluorescent 20 Watt 19 0149 00 Lamp Fluorescent 34...

Page 41: ...9 0911 00 19 0911 00 Ballast Lamp 20 Watt 19 0912 00 22 0200 Lamp Fluorescent 30 Watt 19 0150 00 19 0150 00 19 0150 00 Lamp Fluorescent 20 Watt 19 0149 00 Lamp Fluorescent 34 Watt 19 0151 00 Lampholde...

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