Hitachi RAC-10G5, Service Manual, Page: 1 / 62

NO. 0487E
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
ROOM AIR CONDITIONER
INDOOR UNIT + OUTDOOR UNIT
MARCH 2011
Refrigeration & Air-Conditioning Division
SERVICE MANUAL
PM
REFER TO THE FOUNDATION MANUAL
TECHNICAL INFORMATION
FOR SERVICE PERSONNEL ONLY
(W)
(A)
(kW)
(B.T.U./h)
W
H
D
(kg)
(WALL TYPE)
TYPE
MODEL
POWER SOURCE
TOTAL INPUT
TOTAL AMPERES
CAPACITY
DIMENSIONS
(mm)
NET WEIGHT
SPECIFICATIONS
CONTENTS
SPECIFICATIONS ------------------------------------------------------ 5
HOW TO USE ---------------------------------------------------------- 8
CONSTRUCTION AND DIMENSIONAL DIAGRAM ---------29
MAIN PARTS COMPONENT --------------------------------------31
WIRING DIAGRAM ---------------------------------------------------34
CIRCUIT DIAGRAM --------------------------------------------------37
PRINTED WIRING BOARD LOCATION DIAGRAM --------39
BLOCK DIAGRAM ----------------------------------------------------41
BASIC MODE ----------------------------------------------------------43
REFRIGERATING CYCLE DIAGRAM---------------------------46
DESCRIPTION OF MAIN CIRCUIT OPERATION -----------47
AUTO SWING FUNCTION -----------------------------------------55
SERVICE CALL Q & A ----------------------------------------------56
PARTS LIST AND DIAGRAM --------------------------------------60
RAS-10G5 / RAC-10G5
RAS-14G5 / RAC-14G5
COOLING
INDOOR UNIT
RAS-10G5
780
280
220
9
RAS-10G5
RAS-14G5
OUTDOOR UNIT
RAC-10G5
INDOOR UNIT
RAS-14G5
OUTDOOR UNIT
RAC-14G5
700
468
258
25
700
468
258
25
780
280
220
9
1 PHASE, 50 Hz, 220-230V
870-900
4.00-3.95
2.90-2.90
9890-9890
1 PHASE, 50 Hz, 220-230V
1210-1230
5.70-5.50
3.02-3.01
12,460-12,630
RAC-10G5
RAC-14G5