
SERVICE MANUAL
SPLIT-TYPE AIR CONDITIONERS
CONTENTS
1. TECHNICAL CHANGES ····································2
2. OUTLINES AND DIMENSIONS·························2
3. PARTS LIST ·······················································3
Wireless type
Models
MS-07NV
22
-
(WH)
· MU-07NV -
MS-09NV
22
-
(WH)
· MU-09NV -
MS-12NV
22
-
(WH)
· MU-12NV -
E2E1
E2E1
E2E1
No. OB214
MS-09NV22-
E1
NOTE:This Service Manual covers only change points. (MS-07/09/12NV- ➔ MS-07/09/12NV2-)
Please refer to the Service Manual OB206 for unchanged contents.
Please refer to the Service Manual OB206 for MU-07/09/12NV- .
E2
E1E2

2
1
TECHNICAL CHANGES
MS-07NV - ➔MS-07NV22-
1. Indoor unit design has changed.
2. Refrigerant filling capacity(R-22) has changed. (0.65kg ➔ 0.80kg)
MS-09NV - ➔MS-09NV22-
1. Indoor unit design has changed.
2. Refrigerant filling capacity(R-22) has changed. (0.9kg ➔ 0.85kg)
MS-12NV - ➔MS-12NV22-
1. Indoor unit design has changed.
E1E2
E1E2
E1E2
OUTLINES AND DIMENSIONS
2
MS-07NV22- MS-09NV22- MS-12NV22-
E1E1E1
INDOOR UNIT
314.5323
2.5
186
191
223
266.5
46
41
225
84.5
9
133.5
84.5
225
93
183
13062560
275
815
17.5
783
72
7 or more
100
90
5
160
56
Liquid line [6.35-0.5m
Gas line [9.52-0.43m
Insulation [35 O.D
[19 I.D
Wireless remote controller
Power supply cord
Lead to right 1.0m
Lead to left 0.3m
Installation plate
Indoor unit
Wall hole [65
Installation plate
Drain hose [16
Insulation [28
Air out
{
Air in

3
PARTS LIST3
INDOOR UNIT
STRUCTURAL PARTS
MS-07NV22- (WH)
MS-09NV22- (WH)
MS-12NV22- (WH)
E1
E1
E1
E02 343 000
E02 344 000
E02 345 000
E02 339 010
E02 164 100
E02 166 234
E02 151 970
E02 166 067
1
2
3
4
5
6
FRONT PANEL(WH)
FRONT PANEL(WH)
FRONT PANEL(WH)
GRILLE(WH)
AIR FILTER
BOX(WH)
INSTALLATION PLATE
SCREW CAP(WH)
Symbol
in Wiring
Diagram
Q'ty/unit
1
1
2
1
1
2
1
1
2
1
1
2
1
1
2
1
1
2
2PCS/SET
RemarksPart No.
NO.
Part Name
E1
MS-12NV2-
(WH)
MS-07NV2-
E1
E1
MS-09NV2-
(WH)
(WH)
Optional part
5
4
1
6
2
3
E02 151 620
E02 155 620
E02 151 666
E02 155 666
E02 151 667
1
2
3
INDOOR HEAT EXCHANGER
INDOOR HEAT EXCHANGER
UNION(GAS)
UNION(GAS)
UNION(LIQUID)
Symbol
in Wiring
Diagram
Q'ty/unit
1
1
1
1
1
1
RemarksPart No.
NO.
Part Name
MS-07/09NV2-
(WH)
E1
MS-12NV2 (WH)
E1
{9.52
{12.7
{6.35
1
2
3
INDOOR UNIT
HEAT EXCHANGER
MS-07NV22- (WH)
MS-09NV22- (WH)
MS-12NV22- (WH)
E1
E1
E1
wA set of FRONT PANELand GRILLE of NV2series is compatible with that of NV series.

INDOOR UNIT
ELECTRICAL PARTS
MS-07NV22- (WH)
MS-09NV22- (WH)
MS-12NV22- (WH)
E1
E1
E1
E02 199 235
E02 166 040
E02 141 702
E02 151 303
E02 151 300
E02 151 505
E02 151 302
E02 151 509
E02 151 308
E02 151 307
E02 197 375
E02 202 452
E02 204 452
E02 152 395
E02 127 382
E02 085 385
E02 001 504
E02 151 468
E02 199 520
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
NOZZLE(WH)
VANE(WH)
DRAIN HOSE
VANE MOTOR
INDOOR FAN MOTOR
RUBBER MOUNT
LINE FLOW FAN
BEARING MOUNT
ROOM TEMPERATURE THERMISTOR
INDOOR COIL THERMISTOR
TERMINAL BLOCK
ELECTRONIC CONTROL P.C.BOARD
ELECTRONIC CONTROL P.C.BOARD
POWER SUPPLY CORD
FUSE
VARISTOR
SLEEVE BEARING
RECEIVER
FAN GUARD
Symbol
in Wiring
Diagram
Q'ty/unit
RC4V19 2PCS/SET
AUTO RESTART
AUTO RESTART
3.15A
RemarksPart No.
NO.
Part Name
MV
MF
RT11
RT12
TB
F11
NR11
MS-07NV2-
E1 E1 E1
MS-09NV2- MS-12NV2-
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
(WH)
(WH)
(WH)
Part number that are circled is not shown in the illustration.
7
16
8
3
2
9
11
6
5
13
1
4
10
12
HEAD OFFICE MITSUBISHI DENKI BLDG.MARUNOUCHI TOKYO100 TELEX J24532 CABLE MELCO TOKYO
CC
Copyright 1998 MITSUBISHI ELECTRIC ENGINIEERING CO.,LTD
Issued in Jan. 1998. No.OB214 628
Printed in Japan
New publication, effective Jan. 1998
Specifications subject to change without notice.