Hitachi RAK-50RXB Service Manual

SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
ROOM AIR CONDITIONER
INDOOR 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 --------------------- 29
MAIN PARTS COMPONENT --------------------------------------------------- 30
WIRING DIAGRAM ---------------------------------------------------------------- 31
CIRCUIT DIAGRAM --------------------------------------------------------------- 33
After installation
BLOCK DIAGRAM ----------------------------------------------------------------- 35
BASIC MODE ----------------------------------------------------------------------- 36
REFRIGERATING CYCLE DIAGRAM --------------------------------------- 47
DESCRIPTION OF MAIN CIRCUIT OPERATION ----------------------- 51
SERVICE CALL Q & A ---------------------------------------------------------- 61
HHAW
INDOOR UNIT
INDOOR UNIT OUTDOOR UNIT INDOOR UNIT OUTDOOR UNIT INDOOR UNIT OUTDOOR UNIT
RAK-25R RAC-25W RAK-35R RAC-35W RAK-50R RAC-50W
(KW)
(B.T.U./h)
(KW)
(B.T.U./h)
W
295
210
11
750(+65)
548
288(+27.5)
34
H
D
MODEL
POWER SOURCE
TOTAL INPUT (W)
TOTAL AMPERES (A)
CAPACITY
COOLING
HEATING
TOTAL INPUT (W
TOTAL AMPERES (A)
CAPACITY
910 (250
1,400)
DIMENSIONS
(mm)
1,560 (500 2,100)
700 (250
1,200)
NET WEIGHT (Kg)
TYPE
DC INVERTER
1 PHASE,50HZ,220-230V 1 PHASE,50HZ,220-230V 1 PHASE,50HZ,220-230V
545 (250
1,220)
3.85-3.68
3.20 (0.90
4.20)
10,920 (3,070
14,330)
4.81-4.60
95 (250
1,600)
4.93-4.72
14,330 (3,070
16,380)
3.19-3.05
2.50 (0.90
3.10)
8,530 (3,070
10,580)
7.30-6.98
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)
7.45-7.12
1,560 (500
2,700)
4.00 (0.90
4.80) 5.80 (2.20 7.00)
Hitachi Household Appliances(Wuhu) Co., Ltd.
XB XB XB XB XB XB
RAK-35RXB
RAK-25RXB
RAK-18QXB
RAK-50RXB
295
210
11
750(+65)
548
288(+27.5)
34
900
295
210
11
800(+63)
736
350(+35.5)
49.5
RAK-35RXB
RAK-50RXBRAK-25RXB
RAK-18QXB
PROCEDURE FOR DISASSEMBLY AND REASSEMBLY------------- 49
RAK-18QXB RAK-25RXB RAK-35RXB RAK-50RXB
-
RAC-25WXB RAC-35WXB RAC-50WXB
RAM-33NP2B
o o
- -
RAM-40NP2B
o o o
-
RAM-53NP2B
o o o o
RAM-53NP3B
o o o o
RAM-68NP3B
o o o o
RAM-70NP4B
o o o o
RAM-90NP5B
o o o o
RAM-110NP6B
o o o o
Single outdoor unit
Multi
outdoor
unit
Indoor unit
RAC-25WXB,RAC-35WXB,RAC-50WXB（HHAW NO.0081E）
This manual describes only points that differ from
for items not described in this manual.
5
RAM-33NP2B（PM NO.0581E）
RAM-40NP2B（PM NO.0582E）
RAM-53NP2B,RAM-53NP3B（PM NO.0583E）
RAM-110NP6B
（PM NO.0584E）RAM-68NP3B
（PM NO.0585E）RAM-70NP4B
（PM NO.0586E）RAM-90NP5B
（PM NO.0587E）
PARTS LIST AND DIAGRAM --------------------------------------------------
VARIOUS SETTINGS ----------------------------------------------------------------- 71
900900
- 1 -
NO.0088E-1
90

Hitachi RAK-50RXB Specifications

General

Brand	Hitachi
Model	RAK-50RXB
Category	Air Conditioner
Language	English