Mitsubishi Electric MS-09SN-C1 User manual

SERVICE MANUAL
CONTENTS
1. TECHNICAL CHANGES ····································2
2. PART NAMES AND FUNCTIONS······················4
3. SPECIFICATION·················································6
4. OUTLINES AND DIMENSIONS ·························9
5. WIRING DIAGRAM ··········································12
6. REFRIGERANT SYSTEM DIAGRAM··············18
7. PERFORMANCE CURVES······························22
8. MICROPROCESSOR CONTROL ····················25
9. SERVICE FUNCTIONS ····································32
10. TROUBLESHOOTING······································34
11. DISASSEMBLY INSTRUCTIONS·····················42
12. PARTS LIST······················································50
13. OPTIONAL PARTS···········································58
Wireless type
Models
MS-09SN - (WH) · MU-09SN -
MS-09SN - (WH) · MU-09SN -
MS-10SN - (WH) · MU-10SN -
MS-10SN - (WH) · MU-10SN -
MS-12SN - (WH) · MU-12SN -
MS-12SN - (WH) · MU-12SN -
MS-15SN - (WH) · MU-15SN -
MS-15SN - (WH) · MU-15SN -
MS-17SN - (WH) · MU-17SN -
MS-18SN - (WH) · MU-18SN -
MS-24SN - (WH) · MU-24SN -
C1C1
C1C1
C1C1
C2C2
C1C1
C2C2
C1C1
C2C2
C1C1
C2C2
C1C1
SPLIT-TYPE, AIR CONDITIONERS
MS-09SN -
MS-09SN -
MS-10SN -
MS-10SN - C2
C1
C2
C1
No. OB256
REVISED EDITION-B
Revision:
●MS-09SN - , MS-10SN - , MS-12SN - , MS-15SN -
and MS-18SN - has been added.
●Please void OB256 REVISED EDITION-A.
C1
C2C2C2C2
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2
TECHNICAL CHANGES
MS-09NW - ➔ MS-09SN -
1. Power supply voltage has changed. (110V ➔220V)
2. Indoor unit model has changed.
3. Remote controller has changed.
• SLEEP MODE function has been removed.
• ECONO COOL operation has been added.
• SWING button was removed, but SWING MODE function is available by VANE CONTROL button.
MS-10SN -
New model
MS-12NN - ➔ MS-12SN -
1. Design of receiver part on indoor unit has changed.
2. Remote controller has changed.
• SLEEP MODE function has been changed.
• ECONO COOL operation has been added.
• SWING button was removed, but SWING MODE function is available by VANE CONTROL button.
MS-15NN - ➔ MS-15SN -
MS-17NN - ➔ MS-17SN -
1. Design of receiver part on indoor unit has changed.
2. Remote controller has changed.
• SLEEP MODE function has been removed.
• ECONO COOL operation has been added.
• SWING button was removed, but SWING MODE function is available by VANE CONTROL button.
MS-24NN - ➔ MS-24SN -
1. Design of receiver part on indoor unit has changed.
2. Remote controller has changed.
• SLEEP MODE function has removed.
• ECONO COOL operation has added.
• SWING button was removed, but SWING MODE function is available by VANE CONTROL button.
MS-09SN - ➔ MS-09SN -
MS-10SN - ➔ MS-10SN -
MS-12SN - ➔ MS-12SN -
MS-15SN - ➔ MS-15SN -
1. Fan guard has added.
2. Indoor electronic control P.C. board has changed.
Indoor fan speed has changed.
MS-18SN -
New model C1
C2C1
C2C1
C2C1
C2C1
C1C1
C1C1
C1C1
C1C1
C1
C1C1
1
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3
MU-09NW - ➔ MU-09SN -
1. Outdoor unit model has changed.
2. Additional refrigerant amount of extended pipe length over 7m has changed. (10g/m ➔15g/m)
MU-10SN -
New model
MU-12NN - ➔ MU-12SN -
1. Outdoor unit model has changed.
2. Additional refrigerant amount of extended pipe length over 7m has changed. (10g/m ➔15g/m)
3. Diameter of expansion pipe (GAS) has changed. ([15.88 ➔[12.7)
MU-15NN - ➔ MU-15SN -
MU-17NN - ➔ MU-17SN -
1. Additional refrigerant amount of extended pipe length over 7m has changed. (10g/m ➔15g/m)
2. Service port has removed from outdoor unit.
3. Fusible plug has removed from outdoor unit.
MU-24NN - ➔ MU-24SN -
1. Additional refrigerant amount of extended pipe length over 7m has changed. (10g/m ➔15g/m)
MU-09SN - ➔ MU-09SN -
MU-10SN - ➔ MU-10SN -
MU-12SN - ➔ MU-12SN -
MU-15SN - ➔ MU-15SN -
1. Sub number has changed.
MU-18SN -
New model C1
C2C1
C2C1
C2C1
C2C1
C1C1
C1C1
C1C1
C1C1
C1
C1C1
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4
PART NAMES AND FUNCTIONS
2
INDOOR UNIT
MS-09SN -
MS-09SN -
MS-10SN -
MS-10SN - C2
C1
C2
C1
Emergency operation switch
Operation section
Horizontal vane
Air filter
Deodorizing filter(option)
(gray sponge type)
Vertical vane
Air inlet
Grille
Remote control
receiving section
Remote controller
Display section
(when the grille is open)
Operation indicator lamp
Receiving section
Air cleaning filter(option)
(white bellows type)
Front panel
Emergency operation switch Operation indicator lamp
Receiving section
Air inlet
Piping
Drain hose
Air outlet
Drain outlet
(back and side)
OUTDOOR UNIT
MS-12SN -
MS-12SN -
MS-15SN -
MS-15SN -
MS-17SN -
MS-18SN -
MS-24SN - C1
C1
C1
C2
C1
C2
C1
MS-09SN -
MS-09SN -
MS-10SN -
MS-10SN - C2
C1
C2
C1
MS-09SN -
MS-09SN -
MS-10SN -
MS-10SN - C2
C1
C2
C1
MS-17SN -
MS-18SN -
MS-24SN - C1
C1
C1 MS-12SN -
MS-12SN -
MS-15SN -
MS-15SN - C2
C1
C2
C1
MU-09SN -
MU-09SN -
MU-10SN -
MU-10SN -
MU-12SN -
MU-12SN - C2
C1
C2
C1
C2
C1
MS-12SN -
MS-12SN -
MS-15SN -
MS-15SN - C2
C1
C2
C1 MS-17SN -
MS-18SN -
MS-24SN - C1
C1
C1
MU-15SN -
MU-15SN -
MU-17SN -
MU-18SN -
MU-24SN - C1
C1
C1
C2
C1
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5
ON/OFF
TOO
COOL
PM
AM
TOO
WARM
ON/OFF
FAN
TOO
WARM TOO COOL
VANE
MODE
ECONO COOL
STOP
START
HR.
MIN.
I FEEL COOL
DRY
PM
CLOCK
AM
RESET CLOCK
FAN
Open the front lid.
Signal transmitting section
Operation display section
OPERATE /STOP
(ON /OFF)button
TEMPERATURE buttons
OPERATION SELECT button
FAN SPEED CONTROL button OFF-TIMER button
HR. button
MIN. button
(TIME SET button)
ON-TIMER button
RESET button
ECONO COOL button
VANE CONTROL button
CLOCK SET button
REMOTE CONTROLLER
MS-09SN -
MS-09SN -
MS-10SN -
MS-10SN -
MS-12SN -
MS-12SN -
MS-15SN -
MS-15SN -
MS-17SN -
MS-18SN -
MS-24SN - C1
C1
C1
C2
C1
C2
C1
C2
C1
C2
C1
ACCESSORIES
<Indoor unit>
Installation plate
Installation plate fixing screw 4 x 25 mm
Remote controller mounting hardware
Fixing screw for 33.5 x 16 mm (Black)
Battery (AAA) for remote controller
Wireless remote controller
Felt tape (Used for left or left-rear piping)
1
5
1
2
2
1
1
1
2
3
4
5
6
7
MS-09SN-
MS-09SN-
MS-12SN-
MS-12SN-
MS-15SN-
MS-15SN- 1
6
1
2
2
1
1
MS-17SN-
MS-18SN-
MS-24SN-
C2
C1
C2
C1
C2
C1 C1
C1
C1
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6
SPECIFICATION
3
Indoor model
Function
Power supply
Capacity
Dehumidification
Air flow
(High/Med.w/Loww)
Power outlet
Running current
Total input
Auxiliary heater
Power factor
Starting current
Fan motor current
Model
Winding
resistance(at20:)
Dimensions WOHOD
Weight
Air direction
Sound level
(High/Med.w/Loww)
Fan speed (High/Med.w/Loww)
Fan speed regulator
Thermistor RT11(at25:)
Thermistor RT12(at25:)
Outdoor model
Air flow
Compressor motor current
Fan motor current
Model
Output
Winding
resistance(at20:)
Model
Winding
resistance(at20:)
Dimensions WOHOD
Weight
Sound level
Fan speed
Fan speed regulator
Refrigerant filling
capacity(R22)
Refrigerating oil (Model)
Capillary tube
(Inner diameter Olength)
(kcal/h)/(kW)
R/h
K/h
A
A
W
A(kW)
%
A
A
(kcal/h/W)/(W/W)
"
mm
kg
dB
rpm
k"
k"
K/h
A
A
W
"
"
mm
kg
dB
rpm
kg
cc
mm
MS-10SN - C1
2,450/2.85
4.50
1,005
99
2.44/2.84
910/800w/680w
MU-10SN - C1
3.97
1.2
564/474w/384w
26
10
37/33w/29w
1,950
0.36
RH-145NGDT
700
C-R 2.74
C-S 3.78
RA6N33-AA
WHT-BLK 150
BLK-RED 265
49
740
0.82
[1.6 O900
MS-10SN - C2
2,500/2.91
4.61
992
98
2.52/2.93
940/830w/710w
MU-10SN - C2
4.08
Electrical data
Fan motor
Special remarks
Compressor
Electrical data
Fan motor
Special remarks
Capacity
Energy efficiency ratio (EER)
Capacity
Connection method
Connection method
MS-09SN - C1
880
97
2.44/2.84
890/740w/600w
MU-09SN - C1
2,150/2.50
1.1
474/384w/300w
4.13
21
9
35/30w/26w
1,638
3.68
0.28
RH-130NGDT
650
C-R 3.19
C-S 3.55
RA6N23-AA
WHT-BLK 169
BLK-RED 226
45
630
0.80
[1.4 O600
MS-09SN - C2
843
93
2.55/2.97
920/770w/630w
MU-09SN - C2
Cooling
Single phase
220V, 60Hz
10
—
0.17
RC4N19-AA
WHT-BLK 335
BLK-RED 320
850O278O191
5
3
10
10
Flared
780o540o255
32
1
300(MS56)
Flared
NOTE:Test conditions are based on CNS3615.
Cooling : Indoor DB 27°C / WB 19.5°C
Outdoor DB 35°C /
Indoor-Outdoor piping length 5m
w Reference value
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7
Indoor model
Function
Power supply
Capacity
Dehumidification
Air flow
(High/Med.w/Loww)
Power outlet
Running current
Total input
Auxiliary heater
Power factor
Starting current
Fan motor current
Model
Winding
resistance(at20:)
Dimensions WOHOD
Weight
Air direction
Sound level
(High/Med.w/Loww)
Fan speed
(High/Med.
w
/Low
w
)
Fan speed regulator
Thermistor RT11(at25:)
Thermistor RT12(at25:)
Outdoor model
Air flow
Compressor motor current
Fan motor current
Model
Output
Winding
resistance(at20:)
Model
Winding
resistance(at20:)
Dimensions WOHOD
Weight
Sound level
Fan speed
Fan speed regulator
Refrigerant filling
capacity(R22)
Refrigerating oil (Model)
Capillary tube
(Inner diameter Olength)
(kcal/h)/(kW)
R/h
K/h
A
A
W
A(kW)
%
A
A
(kcal/h/W)(W/W)
"
mm
kg
dB
rpm
k"
k"
K/h
A
A
W
"
"
mm
kg
dB
rpm
kg
cc
mm
MS-15SN - C1
1,180/1,040w/900w
MU-15SN - C1
3,650/4.24
2.2
6.50
1,400
98
36
2.61/3.03
2,340
5.74
0.50
RH-207NHDT
1,000
C-R 1.68
C-S 2.78
RA6N50-BA
WHT-BLK 116
BLK-RED 111
850o605o290
42
52
865
1.30
520(MS56)
[1.8 O550
Electrical data
Fan motor
Special remarks
Compressor
Electrical data
Fan motor
Special remarks
Capacity
Energy efficiency ratio (EER)
Capacity
Connection method
Connection method
MS-15SN - C2
1,210/1,070w/930w
MU-15SN - C2
Cooling
Single phase
220V, 60Hz
780/672w/570w
15
—
0.26
RA4N30-AB
WHT-BLK 118
BLK-RED 162
1,015O320O190
14
5
42/38w/34
w
3
10
10
Flared
1
Flared
MS-12SN - C1
1,180/1,040w/900w
MU-12SN - C1
3,150/3.66
1.5
5.14
1,120
99
30
2.81/3.27
1,656
4.52
0.36
RH-167NHDT
800
C-R 2.16
C-S 3.11
RA6N33-AA
WHT-BLK 150
BLK-RED 265
780o540o255
36
49
700
1.20
520(MS56)
[1.8O500
MS-12SN - C2
1,210/1,070w/930w
MU-12SN - C2
NOTE:Test conditions are based on CNS3615. (MS-12/15SN- )
Cooling : Indoor DB 27°C / WB 19.5°C
Outdoor DB 35°C /
Test conditions are based on CNS 14464. (MS-12/15SN- )
Cooling : Indoor DB 27°C / WB 19°C
Outdoor DB 35°C /
Indoor-Outdoor piping length 5m
w Reference value
C2
C1
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8
Indoor model
Function
Power supply
Capacity
Dehumidification
Air flow
(High/Med.w/Loww)
Power outlet
Running current
Total input
Auxiliary heater
Power factor
Starting current
Fan motor current
Model
Winding
resistance(at20:)
Dimensions WOHOD
Weight
Air direction
Sound level
(High/Med.w/Loww)
Fan speed
(High/Med.
w
/Low
w
)
Fan speed regulator
Thermistor RT11(at25:)
Thermistor RT12(at25:)
Outdoor model
Air flow
Compressor motor current
Fan motor current
Model
Output
Winding
resistance(at20:)
Model
Winding
resistance(at20:)
Dimensions WOHOD
Weight
Sound level
Fan speed (High)
Fan speed regulator
Refrigerant filling
capacity(R22)
Refrigerating oil (Model)
Capillary tube
(Inner diameter Olength)
(kcal/h)/(kW)
R/h
K/h
A
A
W
A(kW)
%
A
A
(kcal/h/W)/(W/W)
"
mm
kg
dB
rpm
k"
k"
K/h
A
A
W
"
"
mm
kg
dB
rpm
kg
cc
mm
Electrical data
Fan motor
Special remarks
Compressor
Electrical data
Fan motor
Special remarks
Capacity
Energy efficiency ratio (EER)
Capacity
Connection method
Connection method
Cooling
Single phase
220V, 60Hz
—
0.29
RA4N30-AB
WHT-BLK 118
BLK-RED 162
1,015O320O190
14
5
3
10
10
Flared
850O605O290
Flared
MS-17SN - C1
3,950/4.59
2.3
7.30
1,580
98
39
2.50/2.91
1,260/1,140w/1,020w
MU-17SN - C1
6.51
RH-231NHDT
1,100
C-R 1.65
C-S 2.67
1.35
[2.0 O700
2,280
0.50
RA6N50-BA
WHT-BLK 116
BLK-RED 111
44
52
865
1
520(MS56)
15
MS-18SN - C1
4,500/5.23
2.6
840/750w/660w
8.77
1,910
99
49
2.36/2.74
45/41w/38w
1,290/1,170w/1,050w
MU-18SN - C1
7.98
RH-277NHDT
1,300
C-R 1.38
C-S 2.55
1.40
[2.0 O500
MS-24SN - C1
5,600/6.51
3.4
20
14.00
3,040
99
56
1.84/2.14
1,260/1,140w/1,020w
MU-24SN - C1
2,460
13.08
0.63
NH-38NBDT
1,700
C-R 0.83
C-S 1.83
RA6V60-AC
WHT-BLK 81.1, BLK-RED 102
BLK-YLW 92.2
61
54
930
2
2.15
1,200(MS32)
[2.0O700(600+100)
NOTE:Test conditions are based on CNS3615. (MS-17/24SN- )
Cooling : Indoor DB 27°C / WB 19.5°C
Outdoor DB 35°C /
Test conditions are based on CNS14464. (MS-18SN- )
Cooling : Indoor DB 27°C / WB 19°C
Outdoor DB 35°C /
Indoor-Outdoor piping length 5m
w Reference value
C1
C1
OB256-1qxp 2.2.8 9:07 AM Page 8

9
OUTLINES AND DIMENSIONS
4
INDOOR UNIT
116.581.5
58 19
162
326
42
169
2.5
326
271 4.5
231.5
41
82
78
67
818
278
850
16562956
7 or more
100
5
189
Wireless remote controller
Wall hole [65
Indoor unit
Installation plate
Air in
{
Air out Insulation [28
Drain hose [16
(Connected part O.D)
Installation plate
Power supply cord
Lead to right 1.0m
Lead to left 0.3m
Liquid line [6.35-0.5m
Gas line [9.52-0.43m
Insulation [37 O.D
[21 I.D
Unit: mm
MS-09SN -
MS-09SN - C2
C1
INDOOR UNIT
116.581.5
818
278
850
16562956
or more
100
41
2.5
42
271 4.5
231.5
82 169
326 326
5
189
Air in
Air out Insulation [28
Drain hose [16
(Connected part O.D)
Installation plate
Wall hole [65
Indoor unit
Installation plate
Power supply cord
Lead to right 1.0m
Lead to left 0.3m
Liquid line [6.35-0.5m
Gas line [9.52-0.43m
Insulation [37 O.D
[21 I.D
78
67
7
{
162
19
58
Wireless remote controller
MS-10SN -
MS-10SN - C2
C1
OB256-1qxp 2.2.8 9:07 AM Page 9

10
320
25
43-
35-
155
90
104
74
260
10
780
500
122
40
540
320 285 255
Service panel
Gas refrigerant
pipe joint
Refrigerant pipe
(flared) [9.52 (MU-09/10SN)
[12.7 (MU-12SN)
Liquid refrigerant
pipe joint
Refrigerant pipe
(flared) [6.35
Airout
Air in
Air in
Service port
109 32
110
147
Drainage
3holes [33
If clearance
behind the outdoor unit
is only 400
mm
or 500
mm
side Amust be fully opened.
100mm or more
100mm or more
100mm or more
350mm or more
REQUIRED SPACE
A
400mm or more
OUTDOOR UNIT
MU-09SN -
MU-09SN -
MU-10SN -
MU-10SN -
MU-12SN -
MU-12SN - C2
C1
C2
C1
C2
C1
Unit: mm
OB256-1qxp 2.2.8 9:07 AM Page 10