7
REFRIGERANT SYSTEM DIAGRAM
7
MU-GA20VB
MU-GA25VB
MU-GA35VB
OUTDOOR UNIT
Outdoor
heat
exchanger
Capillary tube
[
3.0x
[
1.4x700 (MU-GA20VB
-
, MU-GA25VB
-
)
[
3.0x
[
1.4x900 (MU-GA20VB
-
, MU-GA25VB
-
)
[
3.0x
[
1.4x450 (MU-GA35VB)
E2
E2
E1
E1
Strainer
#100
Refrigerant pipe
[
6.35
(with heat insulator)
Refrigerant flow in cooling
Unit:mm
Stop valve
(with service port)
Compressor
Flared connection
Flared connection
Muffler
Refrigerant pipe
[
9.52
(with heat insulator)
OUTDOOR UNIT
MU-GA35VB
PE
N
L
TB1
1
2
TB2
C1
C2
WHT
CIRCUIT
BREAKER
WHT
51C
4
1
BRN
F
BLU
BRN
WHT
RED
BLU
WHT
BLK
RED
POWER SUPPLY ~/N 230V 50Hz
12V
TO INDOOR UNIT CONNECTING
WHT
BLK
DSAR
52C
C
R
S
GRN/YLW
BRN
COM
52C
NO
MC
1
3
2
BLK
RED
WHT
MF
NOTE:1. About the indoor side electric wiring refer to the indoor unit electric wiring diagram for servicing.
2. Use copper conductors only. (For field wiring)
3. Symbols below indicate.
/
: Terminal block, : Connector
SYMBOL
51C
52C
SYMBOL
MC
MF
TB1
TB2
SYMBOL
C1
C2
DSAR
F
NAME
NAME
NAME
COMPRESSOR CAPACITOR
OUTDOOR FAN CAPACITOR
SURGE ABSORBER
FUSE (T20AL250V)
OVERLOAD RELAY
COMPRESSOR CONTACTOR
COMPRESSOR
OUTDOOR FAN MOTOR (INNER FUSE)
TERMINAL BLOCK
TERMINAL BLOCK
Stop valve
OB386B.qxp 06.4.25 11:23 AM Page 7
