REFRIGERANT SYSTEM DIAGRAM
7
WIRING DIAGRAM
6
6
Refrigerant flow in cooling
Refrigerant flow in heating
MSH-CB50VB
INDOOR UNIT
Indoor
heat
exchanger
Room temperature
thermistor
RT11
Refrigerant pipe
[
12.7
(with heat insulator)
Flared connection
Flared connection
Indoor coil
thermistor
RT12
Refrigerant pipe
[
6.35
(with heat insulator)
Distributor
Unit:mm
MSH-CB50VB
INDOOR UNIT
1.About the outdoor side electric wiring refer to the outdoor unit electric wiring diagram for servicing.
2.Use copper conductors only. (For field wiring)
3.Symbols below indicate.
: Connector
: Terminal block
NOTES:
SYMBOL
C11
F11
HIC1
MF
NAME
INDOOR FAN CAPACITOR
FUSE (T3.15AL250V)
DC/DC CONVERTER
INDOOR FAN MOTOR (INNER FUSE)
SYMBOL
MV1
MV2
NR11
RT11
NAME
VANE MOTOR (HORIZONTAL)
VANE MOTOR (VERTICAL)
VARISTOR
ROOM TEMPERATURE THERMISTOR
SYMBOL
RT12
SR141
TB
NAME
INDOOR COIL THERMISTOR
SOLID STATE RELAY
TERMINAL BLOCK
TB
TAB12
3
3
REMOTE
CONTROLLER
RECEIVER
P.C.BOARD
DISPLAY
P.C.BOARD
102
CN
101
CN
RED
BLU
MV2
CN201
3
2
1
BRN
L
N
3
F11
ELECTRONIC CONTROL
P.C. BOARD
NR11
CN211
CN
111
RT11
RT12
15
MV2
CN
151
CN112
1
2
MV1
HIC1
C11
121
CN
1
3
4
SR141
3
MF
RED
WHT
BRN
YLW
GRY
BLK
GRN/YL
W
BLU
PE
BRN
TO OUTDOOR
UNIT
CONNECTING
12V
1
2
3
4
5
6
CIRCUIT
BREAKER
POWER
SUPPLY
CORD
~/N 230V
50Hz
OB440-1.qxp 05.12.6 9:20 AM Page 6
