Hitachi Summit RAS-70YH5 User manual

NO. 0305E-1
SERVICE MANUAL
PM
REVISED VERSION
FOR SERVICE PERSONNEL ONLY
CONTENTS
PARTS LIST AND DIAGRAM ------------------ 106
ROOM AIR CONDITIONER
INDOOR UNIT + OUTDOOR UNIT
AUGUST 2006 Hitachi Appliances, Inc.
The service part numbers have been changed to distinguish the service parts that are compliant with
RoHS from old parts.
In line with this change, the part numbers in the service manual are to be replaced with “REVISED
VERSION”.
Please use the following information to identify the effective starting serial no. of products that comply with
the RoHS requirement.
Serial number: RAS-70YH5: 0623769036 RAC-70YH5: 0622627189
RAS-70YH5 / RAC-70YH5
RAS-70YH5
RAC-70YH5

– 106 –
PARTS LIST AND DIAGRAM
INDOOR UNIT
MODEL : RAS-70YH5
22
2
9
1
7
8
6
45
3
19
20
11
12
10
13
15
14
16
17
18
24
23
21

– 107 –
MODEL RAS-70YH5
1 PMRAS-70YHA 001 1 CABINET
2 PMRAS-40CNH2 R23 1 MOUNTING PLATE
3 PMRAS-70YHA R04 1 FAN MOTOR
4 PMRAS-70YHA R10 1 TANGENTIAL FAN
5 PMRAS-25CNH2 005 1 P-BEARING ASSY
6 PMRAS-51CHA1 004 1 FAN MOTOR BASE
7 PMRAS-70YHA R02 1 CYCLE ASSY
8 PMRAS-51CHA1 R20 1 FAN COVER
9 PMRAS-18CP5 003 1 PIPE SUPPORT
10 PMRAS-70YHA R03 1 DRAIN PAN ASSY
11 PMRAS-18CP6 R02 1 AUTO SWEEP MOTOR
12 PMRAS-70YHA R07 1 P.W.B (LED)
13 PMRAS-60YH5 001 1 FRONT COVER ASSEMBLY
14 PMRAS-60YH5 002 1 FRONT PANEL
15 PMRAS-10C7M 008 3 CAP
16 PMRAS-51CHA1 R10 2 AIR FILTER
17 PMRAS-51CHA1 R11 1 REMOTE CONTROL ASSEMBLY
18 PMRAS-10C3M 003 1 REMOTE CONTROL SUPPORT
19 PMRAS-10C8M R03 1 THERMISTOR SUPPORT
20 PMRAS-70YHA R12 1 THERMISTOR
21 PMRAS-70YHA R09 1 P.W.B (MAIN)
22 PMRAS-70YHA R08 1 P.W.B (RECEIVER)
23 PMRAS-10C6M R02 1 TERMINAL BOARD (2P)
24 PMRAS-70YHA R11 1 TERMINAL BOARD (2P) WITH PUSE
PART N0.
RAS-70YH5
NO. Q’TY / UNIT PARTS NAME

–108 –
PARTS LIST AND DIAGRAM
OUTDOOR UNIT
MODEL : RAC-70YH5 18
23
24
32
28
12
11
6
10
127
9
30
26
13 5
14
4
20
19
15
21
22
29
7
3
8
2
25
31
33 17
35
36
34
16

–109 –
1 PMRAC-80YHA S02 1 COMPRESSOR
2 KPNT1 001 6 PUSH NUT
3 RAC-2226HV 805 3 COMPRESSOR RUBBER
4 PMRAC-70YHA S03 1 CONDENSER
5 PMRAM-22NHZ4 S01 1 REVERSING VALVE
6 PMRAC-25NH4 S03 1 ELECTRICAL EXPANSION COIL
7 PMRAC-80YHA 905 1 VALVE (5S)
8 PMRAC-50NH4 S03 1 VALVE (2S)
9 PMRAC-80YHA S14 1 THERMISTOR (OH)
10 PMRAC-25NH4 S09 1 OVERHEAT THERMISTOR SUPPORT
11 PMRAC-25NH4 910 1 OVERLOAD RELAY COVER
12 PMRAC-70YHA S13 1 THERMISTOR (DEFROST)
13 PMRAC-80YHA S07 1 COIL (REVERSING VALVE)
14 PMRAC-18SH4 S01 1 REACTOR
15 PMRAC-70YHA S14 1 P.W.B (MAIN)
16 PMRAC-80YHA S10 1 SYSTEM POWER MODULE
17 PMRAS-25NH4 S13 1 TERMINAL BOARD (4P)
18 PMRAM-65QH4 S10 1 THERMISTOR (OUTSIDE TEMPERATURE)
19 PMRAC-70YHA 907 1 PROPELLER FAN
20 PMRAC-70YHA S12 1 SUPPORT (FAN MOTOR)
21 PMRAC-70YHA S04 1 FAN MOTOR
22 PMRAC-70YHA S01 1 CABINET
23 PMRAC-70YHA S06 1 NET
24 PMRAC-24CP5 905 1 TOP COVER
25 PMRAC-70YHA S09 1 SIDE PLATE-R
26 PMRAC-70YHA 911 1 STRAINER (COND)
27 PMRAC-70YHA 910 1 STRAINER (PIPE)
28 PMRAC-70YHA 908 1 SIDE PLATE-L
29 PMRAC-70YHA S05 1 GRILL
30 PMRAC-25NH4 S16 1 EXPANSION VALVE
31 PMRAC-70YHA 915 1 SV-COVER
32 PMRAC-70YHA 916 1 NET COVER
33 PMRAC-63CA1 S02 1 TERMINAL BOARD (2P)
34 PMRAC-80YHA S12 1 CAPACITOR BOARD
35 PMRAC-70YHA S18 1 NOISE FILTER BOARD
36 PMRAC-70YHA S17 1 POWER BOARD
MODEL RAC-70YH5
PART N0.
RAC-70YH5
NO. Q’TY / UNIT PARTS NAME