Hitachi RAC-25WXEN, Service Manual, Page: 1 / 52

ROOM AIR CONDITIONER
OUTDOOR UNIT
SERVICE MANUAL
TECHNICAL INFORMATION
SPECIFICATIONS
After installation
OUTDOOR UNIT
Johnson Controls-Hitachi Air Conditioning Wuhu Co., Ltd.
JCH-WH
FOR SERVICE PERSONNEL ONLY
RAC-50WXEN RAC-25WXEN
RAC-35WXEN
OUTDOOR UNIT OUTDOOR UNIT OUTDOOR UNIT
RAC-25W RAC-35W RAC-50W
(KW)
(B.T.U./h)
(KW)
(B.T.U./h)
W 792(+65)
600
299(+27.5)
38.2
H
D
MODEL
POWER SOURCE
TOTAL INPUT (W)
TOTAL AMPERES (A)
CAPACITY
COOLING
HEATING
TOTAL INPUT (W
TOTAL AMPERES (A)
CAPACITY
814 (250 1,400)
DIMENSIONS
(mm)
1,397 (500 2,100)
593 (250 1,200)
NET WEIGHT (Kg)
TYPE
DC INVERTER
1 PHASE,50Hz,220-230V 1 PHASE,50Hz,220-230V 1 PHASE,50Hz,220-230V
481 (250 1,000)
2.73-2.61
3.20 (0.90 4.20)
10,920 (3,070 14,330)
3.74-3.57
3.67-3.51
13,650 (3,070 16,380)
2.92-2.79
2.50 (0.90 3.10)
8,530 (3,070 10,580)
6.36-6.09
3.50 (0.90 4.00) 5.00 (1.90 5.20)
11,940 (3,070 13,650) 17,060 (6,480 17,740)
6.44-6.16
1,415 (500 2,700)
4.00 (0.90 4.80) 5.80 (2.20 7.00)
XEN XEN XEN
792(+65)
600
299(+27.5)
38.2
800(+63)
736
350(+35.5)
51.7
800 (250 1,600)
RAC-25WXEN
RAC-35WXEN
RAC-50WXEN
19,790 (7,510 23,880)
REFER TO THE FOUNDATION MANUAL
CONTENTS
SPECIFICATIONS ------------------------------------------------------- 6
CONSTRUCTION AND DIMENSIONAL DIAGRAM ------------ 9
MAIN PARTS COMPONENT ----------------------------------------- 11
WIRING DIAGRAM ------------------------------------------------------ 13
BLOCK DIAGRAM ------------------------------------------------------- 15
SHEATHED HEATER --------------------------------------------------- 16
REFRIGERATING CYCLE DIAGRAM ------------------------------ 18
PROCEDURE FOR DISASSEMBLY AND REASSEMBLY---- 20
DESCRIPTION OF MAIN CIRCUIT OPERATION --------------- 21
SERVICE CALL Q & A -------------------------------------------------- 31
TROUBLE SHOOTING -------------------------------------------------- 35
PARTS LIST AND DIAGRAM ------------------------------------------ 48
NO.01 23 E
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