Wiring Diagram - Mitsubishi Electric PUZ-A18NHA6 Service Manual

7

WIRING DIAGRAM

PUZ-A18NHA6 PUZ-A18NHA6-BS
[LEGEND]
SYMBOL NAME
TB1 Terminal Block<Power Supply, Indoor/Outdoor>
MC Motor for Compressor
MF1 Fan Motor
21S4 Solenoid Valve (Four-Way Valve)
63H High Pressure Switch
TH3 Thermistor<Liquid>
TH6 Thermistor<2-Phase Pipe>
TH7 Thermistor<Ambient>
TH8 Thermistor<Heat Sink>
TH32 Thermistor<Comp. Surface>
TH33 Thermistor<Suction>
LEV-A
Linear Expansion Valve
ACL Reactor
CY1,CY2 Capacitor
P.B. Power Circuit Board
TABR/S
Connection Terminal<L1/L2-Phase>
TABU/V/W
Connection Terminal<U/V/W-Phase>
C. B.
TH33 TH32
MF1
MS
3~
t° t°
CNF1
1
(WHT)
7 1 3 1 2
TH33 TH32
(YLW) (BLK)
3
TRANS
1
CNDC
(PNK)
F2
CNAC
CNS (WHT)
(WHT) 1 2
F1
3 4
3 1
P. B.
PFC
TABR
RED
WHT
TABS
CB1 CB2
1 MODEL SELECT
is the switch position
MODEL SW6 SW5-5.6
ON ON
PUZ-A18NHA6
OFF OFF
1 2 3 4 5 6 7 8 1 2 3 4 5 6
ON ON
PUY-A12NHA6
OFF OFF
1 2 3 4 5 6 7 8 1 2 3 4 5 6
ON ON
PUY-A18NHA6
OFF OFF
1 2 3 4 5 6 7 8 1 2 3 4 5 6
2. SW5-1 to 4 : Function switch
SYMBOL
Converter
PFC
IPM Power Module
CB1,CB2,CB3 Main Smoothing Capacitor
N.F. Noise Filter Circuit Board
LI/LO Connection Terminal<L1-Phase>
NI/NO Connection Terminal<L2-Phase>
EI,E2,E3 Connection Terminal<Ground>
52C 52C Relay
C.B. Controller Circuit Board
SW1 Switch<Manual Defrost, Defect History,
Record Reset, Refrigerant Address>
SW4 Switch<Test Operation>
SW5 Switch<Model Select, Function Switch>
SW6 Switch<Model Select>
SW7 Switch<Function Switch>
SW8 Switch<Function Switch>
SW9 Switch<Function Switch>
LEV-A
63H
M
TH7 TH6 TH3
3
t° t° t°
1 4 1 2 1 6 1 3
LEV-A CNVMNT
TH7/6 TH3
(RED) (WHT) (WHT) (WHT)
1
CNM
1 3
(WHT)
63H
(YLW)
CN2
CN4
(WHT)
(WHT)
1 7
1 2
2
5
F3
3 1 21S4 3 1 SV2
F4
(GRN) (BLU)
21S4 PUZ only
RED RED
WHT WHT
ACL
MC
MS
3~
W U
V
2
CN5 1
(RED) 2
IPM
2
CN4
1
(WHT) 2
TABU
CN3 1
TABV
(WHT)
2
TABW
t°
TH8
5
1
CN2
(WHT)
CB3 7
L1 L2 GR S1 S2 S3
INDOOR
UNIT
POWER SUPPLY
208 / 230V 60Hz
Use copper supply wires.
Utilisez des fils d'alimentation en cuivre.
PUY-A12/18NHA6
NAME SYMBOL
LED1,LED2 LED<Operation Inspection Indicators>
F1,F2,F3,F4 Fuse<T6.3AL250V>
SWP Switch<Pump Down>
CN31 Connector<Emergency Operation>
SS Connector<Connection for Option>
CNM
Connector<Connection for Option>
CNMNT Connector
<Connected to Optional M-NET Adapter Board>
CNVMNT Connector
<Connected to Optional M-NET Adapter Board>
CNDM Connector<Connection for Option>
CN51 Connector<Connection for Option>
X51,X52,X55 Relay
When M-NET adapter is connected
5
CN5
(WHT)
5
1
5
M-NET ADAPTER
1 5
CNMNT
2
CN2M
(WHT)
(WHT)
1
14
CN31
CN52C
(RED)
3
1 2
A B S
1
TB7
2
5
M-NET
1
SS
3 1
(WHT)
RED
WHT
N. F.
LO NO
1
2
1
3
1
2
1
3
LI EI NI
CY1
CY2
TB1
PUY-A12/18NHA6-BS
NAME
CND
(WHT)
3 1
3
M-NET ADAPTER
SYMBOL NAME
TB7 Terminal Block <M-NET connection>
2
CN5 Connector <Transmission>
CND Connector <Power Supply>
CN2M Connector <M-NET communication>
2