Hitachi RAK-VJ18PHAE Service Manual

SERVICE MANUAL
TECHNICAL INFORMATION
FOR SERVICE PERSONNEL ONLY
RAK-VJ18PHAE
RAK-VJ25PHAE
RAK-VJ35PHAE
RAK-VJ42PHAE
RAK-VJ50PHAE
RAC-VJ18PHAE,RAC-VJ25PHAE,RAC-VJ35PHAE,RAC-VJ42PHAE,RAC-VJ50PHAE
（JCH-WH NO.0148E） for items not described in this manual.
SPECIFICATIONS
TYPE
INDOOR UNIT
MODEL RAK-VJ18PHAE
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)
The performance tests are based on the EN14511、EN14825.
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
ROOM AIR CONDITIONER
Johnson Controls-Hitachi Air Conditioning Wuhu Co., Ltd.
INDOOR UNIT
RC-AGS1EA0E
OUTDOOR UNIT INDOOR UNIT
RAC-VJ18PHAE RAK-VJ25PHAE
1 PHASE,50Hz,220-240V 1 PHASE,50Hz,220-240V
419 (250 1,010) 549 (250 1,290)
2.46-2.35 3.08-2.95
2.00 (0.90 2.50) 2.50 (0.90 3.10)
6,820 (3,070 8,530) 8,530 (3,070 10,580)
519 (250 970) 733 (250 1,250)
2.93-2.81 3.87-3.71
2.50 (0.90 3.20) 3.40 (0.90 4.40)
8,530 (3,070 10,920) 11,600 (3,070 15,010)
780 750(+60) 780
280 548 280
227 288(+55) 227
8.6 31.6 8.6
INDOOR UNIT
JCH-WH
RAK-VJ18PHAE
RAK-VJ25PHAE
RAK-VJ35PHAE
RAK-VJ42PHAE
RAK-VJ50PHAE
REFER TO THE FOUNDATION MANUAL
SPECIFICATIONS ----------------------------------------------------------------
HOW TO USE ----------------------------------------------------------------------
CONSTRUCTION AND DIMENSIONAL DIAGRAM ---------------------
MAIN PARTS COMPONENT --------------------------------------------------
WIRING DIAGRAM ---------------------------------------------------------------
CIRCUIT DIAGRAM --------------------------------------------------------------
BLOCK DIAGRAM ----------------------------------------------------------------
BASIC MODE ----------------------------------------------------------------------
REFRIGERATING CYCLE DIAGRAM --------------------------------------
PROCEDURE FOR DISASSEMBLY AND REASSEMBLY -----------
DESCRIPTION OF MAIN CIRCUIT OPERATION ------------------------
SERVICE CALL Q & A ----------------------------------------------------------
STRUCTURE OF AN INDOOR UNIT ELECTRIC PARTS -------------
SELF-DIAGNOSIS DISPLAY FUNCTION ----------------------------------
FORCED COOLING OPERATION (ONLY SINGLE CONNECTION) ---
HOW TO SET UP FROM SERVICE SETTING MODE -------------------
DIAGNOSIS AND TROUBLESHOOTING OF INDOOR ELECTRIC PARTS ----
PARTS LIST AND DIAGRAM --------------------------------------------------
DC INVERTER
OUTDOOR UNIT
INDOOR UNIT OUTDOOR UNIT
RAC-VJ25PHAE
RAK-VJ35PHAE RAC-VJ35PHAE
1 PHASE,50Hz,220-240V
875 (250 1,460)
4.35-3.98
3.50 (0.90 4.00)
11,940 (3,070 13,650)
1,000 (250 1,700)
5.05-4.63
4.20 (0.90 5.00)
14,330 (3,070 17,060)
750(+60)
780 7500(+60)
548
280 548
288(+55) 227
288(+55)
31.6
8.6 31.6
- 1 -
NO.0147E
CONTENTS
OUTDOOR UNIT
INDOOR UNIT INDOOR UNIT
RAC-VJ42PHAE
RAK-VJ42PHAE RAK-VJ50PHAE
1 PHASE,50Hz, 220-240V 1 PHASE,50Hz, 220-240V
1,120 (500 1,800) 1,471 (500 2,100)
4.68-5.10 6.14-6.69
4.20 (1.70 5.00) 5.00 (1.90 5.20)
14,330 (5,800 17,060) 17,060 (6,480 17,740)
1,317 (500 2,300) 1,558 (500 2,750)
5.49-5.99 6.50-7.09
5.40 (1.70 6.00) 6.00 (2.20 7.30)
18,430 (5,800 20,470) 20,470 (7,510 24,910)
792(+91)
780 780
600
280 280
227 299(+47) 227
39.5
8.8 8.8
6
8
30
31
32
34
35
36
49
51
54
64
66
69
74
75
83
95
OUTDOOR UNIT
RAC-VJ50PHAE
792(+91)
600
299(+47)
39.5