SERVICE MANUAL
TECHNICAL INFORMATION
FOR SERVICE PERSONNEL ONLY
RAK-15QEF
RAK-50REF
RAK-18REF
RAK-25REFC
RAK-25REF
RAK-35REFC
RAK-35REF RAK-50REFC
RAC-18WEF,RAC-25WEF,RAC-35WEF,RAC-50WEF(JCH-WH NO.0132E)
for items not described in this manual.
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)
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
ROOM AIR CONDITIONER
Johnson Controls-Hitachi Air Conditioning Wuhu Co., Ltd.
INDOOR UNIT
RAR-7PE1
INDOOR UNIT
OUTDOOR UNIT
INDOOR UNIT
RAK-25REF
RAK-18REF
RAC-18WEF
RAK-25REFC
1
P
H
A
S
, E
0 5
H
z
2 ,
0 2
2 -
0 3
V
580 (
250
1,010)
3.19-3.05
2.00 (0.90 2.50)
6,820 (3,070 8,530)
620 (250 970)
3.62-3.46
2.50 (0.90 3.20)
8,530 (3,070 10,920)
780
660(+60)
280
530
215
278(+55)
7.7
23.7
INDOOR UNIT
JCH-WH
RAK-15QEF
RAK-18REF
RAK-25REF
RAK-35REF
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 ----------------------------------------------------------
PARTS LIST AND DIAGRAM --------------------------------------------------
DC INVERTER
OUTDOOR UNIT
INDOOR UNIT
RAK-35REF
RAC-25WEF
RAK-35REFC
1
P
H
A
S
, E
0 5
H
z
2 ,
0 2
2 -
0 3
V
1
P
H
A
700 (250 1,290)
1,090 (250 1,460)
3.84-3.67
2.50 (0.90 3.10)
3.50 (0.90 4.00)
8,530 (3,070 10,580)
11,940 (3,070 13,650)
880 (250 1,250)
1,100 (250 1,700)
4.56-4.36
3.40 (0.90 4.40)
4.20 (0.90 5.00)
11,600 (3,070 15,010)
14,330 (3,070 17,060)
780
660(+60)
780
280
530
280
215
278(+55)
215
7.7
23.7
7.7
1
NO.0131E
RAK-50REF
RAK-25REFC
RAK-35REFC
RAK-50REFC
CONTENTS
OUTDOOR UNIT
INDOOR UNIT
RAK-50REF
RAC-35WEF
RAK-50REFC
S
, E
0 5
H
z
2 ,
0 2
2 -
0 3
V
1
P
H
A
S
, E
0 5
1,560 (500 2,100)
5.41-5.18
7.16-6.85
5.00 (1.90 5.20)
17,060 (6,480 17,740)
1,660 (500 2,750)
5.56-5.31
7.62-7.29
6.00 (2.20 7.30)
20,470 (7,510 24,910)
660(+60)
780
530
280
278(+55)
215
25.0
8.2
6
8
19
20
21
23
24
25
38
40
42
54
80
OUTDOOR UNIT
RAC-50WEF
H
z
2 ,
0 2
2 -
0 3
V
792(+91)
600
299(+47)
39.5