Mitsubishi Heavy Industries SRK20HG Technical Manual

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3 ELECTRICAL DATA 3.1 Electrical wiring
Models SRK20HG, 28HG
BR
BR
LB
G
Y/G
Y/G Y/G
Y/G
Th1
Th4
Th5
Th6
Th2
R-AMP
WIRELESS
DISPLAY
WH
WH
WH
WH
WH
WH
3
ZNR
ZNR
N
CNGCNE
250V 3.15A
F
250V 3.15A
F
CNM
BK
BK BK
BK
BK
Y
Y
BK
52C
52C-3
1
5
52C-4
BACK UP SW
822
5
U
U
FM I
SM
J
RD
RD RD
RD
RD
TB TB
3
2/N
1
3
2/N
1
EXCHANGER
HEAT
CNW
CFI
IC15
CNU
WH
RD
BR
3
L
J
N
CM2
52X1
CM1
CC
CM
51C
CFO
D.S
52C
52X1
52X2
52X3
52X3
CNB
CNU
1
5
1
52X2
3
3
20S
FMo
CNG
Printed circuit
board
Printed circuit
board
BK
BL
BR
Y
WH
LB
Y/G
RD
Color symbol
Black
Blue
Brown
Yellow
White
Light blue
Yellow/Green
Red
Meaning of marks
Symbol
Parts name
Symbol
Parts name
Symbol
Parts name
CM
F
FM
I
FM O
SM
Th
1
Compressor motor
Fuse
Fan motor (Indoor)
Fan motor (Outdoor)
CFI
CFO
Capacitor for FM
I
Capacitor for FM O
Motor Protector for CM
Magnetic contactor
Auxiliary relay
Flap motor
Room temp.sensor
Th
2
Heat exch.sensor (Indoor unit)
Th 4
Th 5
Th 6
ZNR
20S
DS
52X
1-3
Heat exch.sensor (Outdoor unit)
TB Terminal block
52C
51C
Outdoor air temp.sensor
Discharge pipe temp.sensor
Varistor
4 way valve (coil)
Diode stack
Power source
1 Phase
220/230/240V 50Hz
Outdoor unit
Indoor unit

Mitsubishi Heavy Industries SRK20HG Specifications

General

Cooling Capacity	2.0 kW
Heating Capacity	2.5 kW
Power Supply	220-240 V, 50 Hz
Refrigerant	R410A
Type	Split System
Noise Level (Indoor)	24 dB
Noise Level (Outdoor)	50 dB