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CONNECT SERIES SERVICE MANUAL

1

ENGLISH

Safety Notifications

PROHIBITED:

• Do not pierce or burn.
• Please note that refrigerant may be odorless.
• The appliance shall be stored in a room without 

continuously operating ignition sources (For 

example: open flames, an operating gas appliance 

or an operating electric heater).

• Indoor unit adopts special joints that can’t be 

detached. The installation method is the same 

with the common joints. Because the joint can’t be 

detached and if it is leaking; it must be cut out and 

replaced with a braze joint.

• Using unsuitable parts or tools may lead to electric 

shock or fire hazard.

• Please ventilate the room immediately if refrigerant 

leaks during maintenance. Heavy leakage may lead 

to breathing difficulty, severe injury or death.

• Disconnect power before disassembling the 

appliance for maintenance.

• The appliance should be maintained and cared 

by authorized technical personnel with necessary 

qualifications.

Maintenance Safety

WARNING:

• If the unit location is more than 6 feet high, please 

wear a safety helmet, gloves and a safety belt.

• Never mix any other substances except the 

specified refrigerant into the refrigerant circuit.

• Check the location to see if the weight can be 

properly supported before installing the unit.

• Please test the system for leaks prior to charging. 

Leaks discovered after the unit start up require 

refrigerant pump-down, leak repair and recharging. 

Do not allow refrigerant to leak into unventilated 

spaces.

• Prepare suitable tools and protectors.
• Please isolate all power to the system while making 

repairs and performing maintenance.

NOTICE:

• This unit requires a proper earth ground per local 

and national electrical codes.

• Never repair the unit with wet hands. Operating the 

unit with wet hands may lead to electric shock.

• Isolate all power sources before cleaning the unit.
• All field installed wiring must conform to local and 

national electric codes.

• Brazing, welding and cutting must de done in 

properly ventilated areas.

• Gas appliances, heaters and other fire sources 

should be kept away from the installation and 

maintenance site.

• Maintenance should be done according to 

manufacturer’s instructions.

OBSERVED:

• Check all condensate drain outlets during 

maintenance and operational checks.

• Unit should be installed level and on a surface that 

will sufficiently support it’s weight.

• Disassembly of the unit, handling of the refrigerant, 

oil and accessories should all be done according to 

applicable local rules and regulations.

Operation Safety

PROHIBITED:

• Never try to modify the unit, otherwise, it may 

cause electric shock, overheat or fire hazard.

• Replace all wires that have worn or damaged 

insulation.

• This equipment must have a dedicated electrical 

circuit and service disconnect switch.

WARNING:

• Maintain a regular schedule for presentative 

maintenance.

NOTICE:

• Do not remove the fan cover while the unit is 

running.

• Use soap and water only to clean the unit. Do not 

use any solvents to clean the control panel.

• Isolate all power to the system before cleaning the 

unit.

Содержание UUC112WC Series

Страница 1: ...Cooling Only Side Discharge Condensing Units Service Manual Rev 06 21 UUC112WC UUC118WC UUC124WC UUC130WC UUC136WC UUC148WC ...

Страница 2: ...ct Power Supply 7 Select Condenser Protection Temperature Recovery Temperature 7 Error Codes 8 Troubleshooting 9 UUC112WC UUC118WC UUC124WC UUC130WC 9 Fan Motor Not Operating 9 Compressor Not Operating 9 Both Fan Motor and Compressor Not Operating 9 UUC136WC UUC148WC 10 T3 Condenser Temperature Sensor 10 T5 Discharge Temperature Sensor 10 Low Pressure Error 48K unit only 11 High Pressure Error 11 ...

Страница 3: ... not allow refrigerant to leak into unventilated spaces Prepare suitable tools and protectors Please isolate all power to the system while making repairs and performing maintenance NOTICE This unit requires a proper earth ground per local and national electrical codes Never repair the unit with wet hands Operating the unit with wet hands may lead to electric shock Isolate all power sources before ...

Страница 4: ...45 15 0 382 15 0 382 17 5 445 17 5 445 Ship Dimension H in mm 24 5 622 30 8 782 30 8 782 38 4 975 38 4 975 Ship Dimension W in mm 36 0 915 38 4 975 38 4 975 42 3 1075 42 3 1075 Ship Dimension D in mm 15 0 380 16 5 420 16 5 420 19 5 495 19 5 495 Weight Net Gross lbs kg 86 90 4 39 41 106 117 48 53 106 117 48 53 141 152 64 69 141 152 64 69 AHRI Matching Indoor Coil Aspen Model C A C E 24A24 TDR C A C...

Страница 5: ...2324 2300 2300 2600 Rotary Rotary Rotary Rotary Scroll Bleed Bleed Bleed Bleed Bleed 31 9 810 31 9 810 31 9 810 31 9 810 34 25 870 40 0 1015 40 1015 40 0 1015 40 1015 43 31 1100 17 5 445 17 5 445 17 5 445 17 5 445 20 79 528 38 4 975 38 4 975 38 4 975 38 4 975 40 6 1030 42 3 1075 42 3 1075 42 3 1075 42 3 1075 45 0 1145 19 5 495 19 5 495 19 5 495 19 5 495 21 5 545 143 154 65 70 143 154 65 70 145 156...

Страница 6: ... Capacitor C3 8µF Compressor Capacitor C1 70µF Fan Capacitor C3 3µF Compressor Capacitor C1 40µF FT Discharge Temp Switch Contactor High Pressure Switch Compressor Capacitor Fan Capacitor FT Discharge Temp Switch Contactor High Pressure Switch Compressor Capacitor Fan Capacitor ...

Страница 7: ...witch Contactor High Pressure Switch Compressor Capacitor Fan Capacitor UUC136WC Compressor Capacitor C1 70µF Main Board Fan Driver Board Filter Board Compressor Capacitor Contactor 24K 30K Fan Capacitor C3 5µF 5µF Compressor Capacitor C1 40µF 55µF Low pressure switch not available in 36K model ...

Страница 8: ...CONNECT SERIES SERVICE MANUAL 6 ENGLISH Wiring Diagrams UUC148WC Compressor Capacitor C1 70µF Compressor Capacitor Fan Driver Board Filter Board Contactor Main Board ...

Страница 9: ... 380V 3 ph ON 220V 1 ph default OFF SW1 4 154 F 68 C 126 F 52 C ON 149 F 65 C 118 F 48 C default OFF Example When T3 is over 154 F 68 C unit will stop When T3 is lower than 126 F 52 C unit will run Select Fan Speed SW1 1 SW1 3 Select Power Supply SW1 2 Select Condenser Protection Temperature and Recovery Temperature SW1 4 SW1 Shown in default configuration all switches OFF ...

Страница 10: ...ture Sensor Error Green LED flash 2 times every 5s Over Current Error Green LED flash 3 times every 5s Reserved for 36 48K model Power Phase Error Green LED flash 4 times every 5s Only applicable for models with three phase power supply T5 Compressor Discharge Temperature Sensor Temperature Sensor Error Green LED flash 5 times every 5s Low Pressure Error 48K model only Green LED flash 6 times ever...

Страница 11: ...voltage Check fan capacitor Check compressor capacitor Replace capacitor Replace contactor Replace Discharge Temperature Switch FT Replace High Pressure Switch Check Discharge Temperature Switch FT Check High Pressure Switch Replace capacitor Replace the fan motor Replace the compressor Fan Motor Not Operating Both Fan Motor and Compressor Not Operating Compressor Not Operating Model Capacitor µF ...

Страница 12: ... Check if the sensor is open or closed Check if the sensor is open or closed Replace the sensor Replace the sensor Replace PCB Replace PCB T3 Condenser Temperature Sensor T5 Discharge Temperature Sensor CN16 is the T3 outdoor unit heat exchanger sensor connection For the 36 48K models this is connected to a fixed resistor the resistor is 5KΩ CN9 is the T5 compressor discharge temperature sensor co...

Страница 13: ...ons Replace PCB Low Pressure Error UUC148WC unit only High Pressure Error CN17 is the low pressure switch connection When this connection is open the unit will show low pressure error When this connection is closed unit will be normal or it is PCB problem CN13 is high pressure switch connection When this connection is open the unit will show high pressure alarm When this connection is closed unit ...

Страница 14: ...or Error Error Replace the fan motor How to check CN8 port The voltage between 1 and 2 should be 310V DC The voltage between 3 and 2 should be 15V DC The voltage between 4 and 2 should be 0 5V DC The voltage between 5 and 2 should be 0 5V DC 1 Red wire Fan motor power wire 2 Black wire Ground wire 3 White wire Modular chip power wire 4 Yellow wire Fan speed signal out wire 5 Blue wire Fan speed si...

Страница 15: ...ed warranty subject to the other limitations in the standard warranty document Registration is available at https www haierappliances com support register ductless We recommend installing AHRI listed matched indoor and outdoor system Installing approved matched indoor and outdoor system will provide optimum efficiency and best overall system reliability AHRI certification for approved matched syst...

Страница 16: ...www geappliances com GE Appliances A Haier Company Appliance Park Louisville KY 40225 2021 GE Appliances A Haier Company Revision Date June 2021 ...

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