Hitachi RAC-25FXE Service Manual

SERVICE MANUAL
TECHNICAL INFORMATION
FOR SERVICE PERSONNEL ONLY
OUTDOOR UNIT
RAC-25FXE
RAC-35FXE
SPECIFICATIONS
TYPE
MODEL
POWER SOURCE
TOTAL INPUT (W)
TOTAL AMPERES (A)
COOLING
(KW)
CAPACITY
(B.T.U./h)
TOTAL INPUT (W
TOTAL AMPERES (A)
HEATING
(KW)
CAPACITY
(B.T.U./h)
W
DIMENSIONS
H
(mm)
D
NET WEIGHT (Kg)
ROOM AIR CONDITIONER
Johnson Controls-Hitachi Air Conditioning Wuhu Co., Ltd.
RAC-50FXE
OUTDOOR UNIT
RAC-25 FX E
1 PHASE,50Hz,220-230V
538 (155 1, 180)
2. 87-2.75
2.50 (0.90 3.10)
8,530 (3,070 10,580)
756 (115 1,120)
3.50-3.34
3.40 (0.90 4.40)
11,600 (3,070 15,010)
792(+65)
600
299(+27.5)
37
OUTDOOR UNIT
1
NO.0128E
JCH-WH
RAC-25FXE
RAC-35FXE
RAC-50FXE
REFER TO THE FOUNDATION MANUAL
CONTENTS
SPECIFICATIONS ------------------------------------------------------------------- 6
CONSTRUCTION AND DIMENSIONAL DIAGRAM ---------------------- 9
MAIN PARTS COMPONENT --------------------------------------------------- 11
WIRING DIAGRAM ---------------------------------------------------------------- 13
BLOCK DIAGRAM ----------------------------------------------------------------- 17
REFRIGERATING CYCLE DIAGRAM --------------------------------------- 18
PROCEDURE FOR DISASSEMBLY AND REASSEMBLY--------------20
DESCRIPTION OF MAIN CIRCUIT OPERATION ------------------------
SERVICE CALL Q & A -----------------------------------------------------------38
TROUBLE SHOOTING ------------------------------------------------------------41
PARTS LIST AND DIAGRAM ---------------------------------------------------56
DC INVERTER
OUTDOOR UNIT
RAC-35 FX E
1 PHASE,50Hz,220-230V
933 (15 5 1,380)
4.27-4.09
3.50 (0.90 4.00)
11,940 (3,070 13,650)
1,154 (115 1, 35 0)
5.26-5.03
4.50 (0.90 5.00)
15,350 (3,070 17,060)
792(+65)
600
299(+27.5)
37
21
OUTDOOR UNIT
RAC-50 FX E
1 PHASE,50Hz,220-230V
1,3 89 (500 2,100)
6.33-6.05
5.00 (0.90 5.20)
17,060 (3,070 17,740)
1,579 (500 2,700)
7.19-6.88
6.00 (0.90 8.10)
20,470 (3,070 27,640)
800(+63)
736
350(+35.5)
51
After installation