660(+60) 660(+60) 660(+60) 792(+91) DIMENSIONS (mm) 278(+55) 278(+55) 278(+55) 299(+47) 23.7 23.7 25.0 39.5 NET WEIGHT (Kg) After installation SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT ROOM AIR CONDITIONER OUTDOOR UNIT Johnson Controls-Hitachi Air Conditioning Wuhu Co., Ltd.
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WORKING STANDARDS FOR PREVENTING BREAKAGE OF SEMICONDUCTORS 1. Scope 2. Object parts 3. Items to be observed in handling Fig. 1 Conductive container Ω Fig. 2 Body earth...
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Ω Fig.3 Grounding of the working table Fig.4 Grounding a solder iron Ω...
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Figure showing the installation of Outdoor unit MODEL RAC-18WEF RAC-25WEF RAC-35WEF The refrigerating machine oil is easily affected by moisture. Use caution to prevent water from entering the cycle. The difference in height between above 200mm the indoor and outdoor unit...
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Figure showing the installation of Outdoor unit MODEL RAC-50WEF The refrigerating machine oil is easily affected by moisture. Use caution to prevent water from entering the cycle. The difference in height between above 200mm the indoor and outdoor unit should be kept below 10m. The clearances of the unit from top, left, right The connecting pipe, no matter...
CONSTRUCTION AND DIMENSIONAL DIAGRAM MODEL RAC-18/25/35WEF OUTDOOR UNIT Air outlet Drain hole More than NOTE: 1.For outdoor unit installation , allow at least 2 sides of space around the unit ensure ventilation flue. 2.The connecting pipe , should all the insulated with insulation pipe. 3.Piping length is within 20m.
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CONSTRUCTION AND DIMENSIONAL DIAGRAM MODEL RAC-50WEF OUTDOOR UNIT Unit : mm Drain hole Drain hole Drain hole More than NOTE: 1.For outdoor unit installation , allow at least 2 sides of space around the unit ensure ventilation flue. 2.The connecting pipe , should all the insulated with insulation pipe. 3.Piping length is within 20m.
MAIN PARTS COMPONENT THERMOSTAT (Room temperature Thermistor) FAN MOTOR Fan Motor Specifications RAC-18/25/35/50WEF DC : 120 - 280V BLU : BLUE YEL : YELLOW BRN : BROWN WHT : WHITE GRY : GRAY ORN : ORANGE GRN : GREEN RED : RED BLK : BLACK PNK : PINK VIO : VIOLET...
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COMPRESSOR MOTOR Compressor Motor Specifications RAC-18/25/35WEF RAC-50WEF GSD088SKQA6JK6 GTD130UKQA8JT6 220 - 350 V 220 - 350 V 840W 1350W 2M = 2.167 2M = 1.354 RAC-18/25/35WEF RAC-50WEF CAUTION...
WIRING DIAGRAM MODEL RAC-18/25/35/50WEF EE0022422A [WIRING DIAGRAM] DRIVE CIRCUIT DRIVE CIRCUIT FOR COMPRESSOR FOR FAN MOTOR USE ONE CIRCUIT OF ※A/※B ON-DEMAND RELAY PWB...
BLOCK DIAGRAM MODEL RAC-18/25/35/50WEF Power source OUTDOOR UNIT Compressor Power circuit drive circuit Indoor unit Compressor Indoor / Outdoor motor interface circuit Control power circuit Outdoor DC fan motor Reset circuit drive circuit Outdoor Fan motor Overheat thermistor Defrost thermistor Reversing valve drive circuit Outdoor temperature...
Procedure for Disassembly and Reassembly <OUTDOOR UNIT> Remove P.W.B. fixing screws (2 locations) and MODEL RAC-18/25/35WEF radiation fin fixing screws (7 locations), and 1. Electr cal Part remove the P.W.B. from the support. (1) Remove the upper cover fixing screws and lift the Radiation fin fixing screw cover to remove it.
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(4)Lower the right side of the front cover and pull (6)Set the electrical box upside down. it forward. Then, remove the cover from the hook. Fig. 9 (7)Remove each connector and earth cable from the lead wire. Then,remove the electrical box. Fig.
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4.Reversing valve control circuit This model reversing valve control used to control the relay ON/OFF of the revesing valve, and also control the coil of the reversing valve ON/OFF. The relay ON/OFF has different type when in the different operation mode. You can see each operation mode as fllows.
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4.Reversing valve control circuit This model reversing valve control used to control the relay ON/OFF of the revesing valve, and also control the coil of the reversing valve ON/OFF. The relay ON/OFF has different type when in the different operation mode. You can see each operation mode as fllows.
SERVICE CALL Q&A Cold air comes out during a To improve the dehumidification efficiency performs dehumidifying operation. quiet fan operation. Therefore the air is cold and it is not a malfunction. The operation does not stop even by It sets to perform dehumidifying operation by setting setting the temperature higher than the temperature slightly lower than remote controller room temperature on the remote...
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DISCHARGE, PROCEDURE AND POWER SHUT OFF METHOD FOR POWER CIRCUIT WARNING Caution Voltage of about 350 V is charged between the terminal of smoothing capacitors. During continuity check for each circuit part of the outdoor unit, be sure to discharge the smoothing capacitors.
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SELF-DIAGNOSIS LIGHTING MODE MODEL RAC-18/25/35/50WEF LED(※1) INDICATION LED INDICATION DURING STOP DANGER (DC350V) DURING COMPRESSOR OPERATE SELF-DIAGNOSE LD301 CHECKING POINT&REPAIR METHOD OPERATION CONTENT LD301 CUT THE POWER SOURCE AND WAIT MORE THAN STATUS NO POWER SUPPLY AT TERMINAL “L - N” → CHECK POWER CABLE 10 MINUTES BEFORE SERVICING WORK.
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After turning on the power, perform air purification by remote control. If there is not the air purifier and operating function,setting to 32 by the remote control,and operate in the cooling mode.
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LD301 blinking frequency each 0.25 second, please check it carefully. ・ ・...
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How to run the product with the outdoor unit test switch If the indoor electrical parts is out of order and if you wish to run the outdoor unit 1. Turn on the outdoor terminal boards L and N (220-230 V AC). 2.
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TO OPERATE THE OUTDOOR UNIT INDEPENDENTLY L RAC-18/25/35WEF RAC-50WEF ※ Do not operate for 5 minutes or more. ※...
PARTS LIST AND DIAGRAM OUTDOOR UNIT MODEL RAC-18/25/35WEF (35WEF) (18/25WEF) 5(35WEF) 5(18/25WEF) 35WEF) (18/25WEF)
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INDOOR UNIT H H A W P A R T S N O Q ' T Y / P A R T S N A M E U N I T R A C - 1 8 W E F R A C - 2 5 W E F R A C - 3 5 W E F HWRAC-18WED...
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PARTS LIST AND DIAGRAM OUTDOOR UNIT MODEL RAC-50WEF...
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OUTDOOR UNIT H H A W P A R T S N O Q ' T Y / P A R T S N A M E U N I T RAC-50WEF 1 HWRAC-50WPC A01 BASE 2 HWRAC-50WED A01 COMPRESSOR 3 HWRAC-50NX2 A04 PUSH NUT 4 HWRAC-50WEC A01...