Hitachi RAC-35WEB - Service Manual

SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
ROOM AIR CONDITIONER
INDOOR UNIT + OUTDOOR UNIT
SERVICE MANUAL
REFER TO THE FOUNDATION MANUAL
TECHNICAL INFORMATION
FOR SERVICE PERSONNEL ONLY
SPECIFICATIONS
CONTENTS
SPECIFICATIONS ------------------------------------------------------------------- 6
HOW TO USE ----------------------------------------------------------------------- 9
CONSTRUCTION AND DIMENSIONAL DIAGRAM --------------------- 17
MAIN PARTS COMPONENT --------------------------------------------------- 20
WIRING DIAGRAM ---------------------------------------------------------------- 22
CIRCUIT DIAGRAM --------------------------------------------------------------- 24
After installation
BLOCK DIAGRAM ----------------------------------------------------------------- 27
BASIC MODE ----------------------------------------------------------------------- 28
REFRIGERATING CYCLE DIAGRAM --------------------------------------- 38
DESCRIPTION OF MAIN CIRCUIT OPERATION ----------------------- 43
SERVICE CALL Q & A ---------------------------------------------------------- 68
TROUBLE SHOOTING ----------------------------------------------------------- 72
PARTS LIST AND DIAGRAM --------------------------------------------------104
HHAW
RAK-18PEB/RAC-18WEB
RAK-25PEB/RAC-25WEB
RAK-35PEB/RAC-35WEB
RAK-50PEB/RAC-50WEB
INDOOR UNITOUTDOOR UNIT
INDOOR UNIT OUTDOOR UNIT INDOOR UNIT OUTDOOR UNIT INDOOR UNIT OUTDOOR UNIT INDOOR UNIT OUTDOOR UNIT
RAK-18PEB RAC-18WEB
RAK-25PEB
RAC-25WEB
RAK-35PEB
RAC-35WEB
RAK-50PEB
RAC-50WEB
RAK-25PEBC RAK-35PEBC RAK-50PEBC
(KW)
(B.T.U./h)
(KW)
(B.T.U./h)
W 780 660(+60) 780 660(+60) 780 660(+60) 780 792(+91)
H 280 530 280 530 280 530 280 600
D 218 278(+35) 218 278(+35) 218 278(+35) 218 299(+47)
MODEL
POWER SOURCE
TOTAL INPUT (W
TOTAL AMPERES (A)
CAPACITY
COOLING
HEATING
TOTAL INPUT (W
TOTAL AMPERES (A)
CAPACITY
1,090 (250
1,460)
DIMENSIONS
(mm)
1,560 (500 2,100)
3.00-2.97
2.00 (0.90
2.50)
6,820 (3,070
8,530)
620 (250
970)
2.50 (0.90
3.20)
3.52-3.37
7.5
8,530 (3,070
10,920)
880 (250
1,250)
NET WEIGHT (Kg)
TYPE
DC INVERTER
1 PHASE,50HZ,220-230V 1 PHASE,50HZ,220-230V 1 PHASE,50HZ,220-230V 1 PHASE,50HZ,220-230V
580 (
700 (250)010,1 1,290)
4.65-4.44
3.40 (0.90
4.40)
11,600 (3,070
15,010)
5.57-5.33
1,100 (250
1,700)
5.63-5.39
14,330 (3,070
17,060)
3.87-3.70
2.50 (0.90
3.10)
8,530 (3,070
10,580)
7.29-6.85
3.50 (0.90
4.00) 5.00 (1.90 5.20)
11,940 (3,070
13,650) 17,060 (6,480 17,740)
20,470 (7,510
24,910)
7.56-7.23
1,660 (500
2,750)
4.20 (0.90
5.00) 6.00 (2.20 7.30)
25
0
Hitachi Household Appliances(Wuhu) Co., Ltd.
RAK-18PEB
CBEP52-KAR /BEP52-KAR
RAK-35PE
CBEP05-KAR /BEP05-KAR
CBEP53-KAR /B
RAC-18WEB
RAC-25WEB
RAC-35WE
RAC-50WEB
B
0076E-
5.725.72 5.725.7 045.7 8
L.H
PROCEDURE FOR DISASSEMBLY AND REASSEMBLY------------- 40
RAK-25PEBC/RAC-25WEB
RAK-35PEBC/RAC-35WEB
RAK-50PEBC/RAC-50WEB
5