Mitsubishi Electric SUZ-KA09NAH2.MX User manual

SERVICE MANUAL
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
CONTENTS
1. COMBINATION OF INDOOR AND OUTDOOR UNITS
...
2
2. PART NAMES AND FUNCTIONS...................... 2
3. SPECIFICATION................................................. 3
4. OUTLINES AND DIMENSIONS.......................... 4
5. WIRING DIAGRAM............................................ 5
6. REFRIGERANT SYSTEM DIAGRAM................ 9
7. DATA................................................................. 10
8. ACTUATOR CONTROL....................................12
9. SERVICE FUNCTION.......................................13
10. TROUBLESHOOTING......................................13
11. FUNCTION SETTING....................................... 29
12. DISASSEMBLY INSTRUCTIONS.....................32
HFC
utilized
R410A
R410A
Note:
This service manual describes
service data of the outdoor units
only.
PARTS CATALOG (OCB699)
No. OCH699
December 2018
Outdoor unit
[Model Name]
SUZ-KA09NA2
SUZ-KA09NAH2
SUZ-KA12NA2
SUZ-KA12NAH2
SUZ-KA15NA2
SUZ-KA15NAH2
[Service Ref.]
SUZ-KA09NA2.MX
SUZ-KA09NAH2.MX
SUZ-KA12NA2.MX
SUZ-KA12NAH2.MX
SUZ-KA15NA2.MX
SUZ-KA15NAH2.MX
SUZ-KA09NA(H)2.MX
Air outlet
Drain outlet
Piping
Drain hose
Air inlet
(back and side)

2
OCH699
1COMBINATION OF INDOOR AND OUTDOOR UNITS
PART NAMES AND FUNCTIONS
2
Heat pump type
Outdoor unit
SUZ-
—
—
Indoor unit
Service
Manual No.
Service Ref.
Heat pump without
electric heater
KA15
NA(H)2.MX
HWE08020
KA12
NA(H)2.MX
KA09
NA(H)2.MX
—
SLZ-KF09/12/15NA.TH
SEZ-KD09/12/15NA4R1.TH
PEAD-A09/12/15AA7.MX
SVZ-KP12NA.MX
MLZ-KP09/12NA-U1
OCH699
HWE1608A
OBH802
Air outlet
Drain outlet
Piping
Drain hose
Air inlet
(back and side)
SUZ-KA09NA(H)2.MXSUZ-KA12NA(H)2.MXSUZ-KA15NA(H)2.MX

3
OCH699
Outdoor unit model SUZ-KA09NA(H)2 SUZ-KA12NA(H)2 SUZ-KA15NA(H)2
Power supply V , phase , Hz 208/230 , 1 , 60
Max. fuse size (time delay) A 15
Min. circuit ampacity A 9 9 10
Fan motor F.L.A 0.50
Compressor
Model KNB073FRVMC SNB092FQAMT SNB130FQBMT
R.L.A 6.2 6.6 7.4
L.R.A 7.7 8.2 9.3
Refrigeration oil oz(L)/
(Model) 9.1(0.27)/(FV50S) 11.8(0.35)/(FV50S) 11.8(0.35)/(FV50S)
Refrigerant control Linear expansion valve
Sound level*1Cooling dB(A) 48 49 49
Heating dB(A) 50 51 51
Defrost method Reverse cycle
Dimensions W in 31-1/2 D in 11-1/4
H in 21-5/8
Weight Ib 81
([WHUQDO¿QLVK Munsell 3Y 7.8/1.1
Control voltage
(by built-in transformer) VDC 12 - 24
Refrigerant piping Not supplied
Refrigerant pipe size
(Min. wall thickness) Liquid in 1/4 (0.0315)
Gas in 3/8 (0.0315) 1/2 (0.0315)
Connection method Indoor Flared
Outdoor Flared
Between the indoor
& outdoor units Height difference ft 40
Piping length ft 65
Refrigerant charge (R410A) 2 lb 5 oz 2 lb 9 oz
Note: Test conditions are based on AHRI 210/240.
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3SPECIFICATION
OPERATING RANGE
(1) POWER SUPPLY
Rated voltage Guaranteed voltage (V)
Outdoor unit 208/230 V 1 phase
60 Hz
Min. 187 208 230 Max. 253

4
OCH699
4OUTLINES AND DIMENSIONS
clear *1
*1 4 in. (100 mm) or more when
front and sides of the unit are clear
*2 When any 2 sides of left, right
and rear of the unit are clear
holes
(KA09/12/15NA)
(KA09/12/15NAH)
REQUIRED SPACE
Liquid refrigerant pipe joint
Refrigerant pipe (flared) Ø 1/4
Gas refrigerant pipe joint
Refrigerant pipe (flared) Ø 3/8 (KA09/12)
Ø 1/2 (KA15)
4 in. (100 mm)
or more
14 in. (350 mm)
or more
8 in. (200 mm)
or more *2
4 in. (100 mm)
or more
Unit: inch(mm)
SUZ-KA09NA(H)2.MX SUZ-KA12NA(H)2.MX SUZ-KA15NA(H)2.MX

5
OCH699
SUZ-KA09NA2.MX SUZ-KA12NA2.MX
5WIRING DIAGRAM