Mitsubishi Electric PUZ-A18NHA2 Service Manual page 19

PUZ-A42NHA2 PUZ-A42NHA2-BS PUY-A42NHA2 PUY-A42NHA2-BS
[LEGEND]
SYMBOL NAME
TB1 Terminal Block<Power Supply, Indoor/Outdoor >
MC Motor for Compressor
MF1,MF2 Fan Motor
21S4 Solenoid Valve (Four-Way Valve)
63H High Pressure Switch
63L Low Pressure Switch
Thermistor<Outdoor Pipe>
TH3
TH4 Thermistor<Discharge>
TH6 Thermistor<Outdoor 2-Phase Pipe>
TH7 Thermistor<Outdoor>
TH8 Thermistor<Heatsink>
LEV-A Electronic Expansion Valve
DCL Reactor
CY1, CY2 Capacitor
ACTM Active Filter Module
CB
Main Smoothing Capacitor
C. B.
1
MF1
MS
3~
1
MF2
MS
3~
2
CNS
(WHT)
3
4
7
TH8
°
t 2
2
WHT
CB
RED
w1 MODEL SELECT
MODEL SW6
ON ON
PUZ-A42N
OFF OFF
1 2 3 4 5 6 7 8 1 2 3 4 5 6
ON ON
PUY-A42N
OFF OFF
1 2 3 4 5 6 7 8 1 2 3 4 5 6
w
2. SW5-1 to 4 : Function switch
M-NET ADAPTER
SYMBOL NAME
TB7 Terminal Block<M-net connection>
CN5 Connector<Transmission>
CND Connector<Power Supply>
CN2M Connector<M-NET communication>
SW1 Switch<Status of communication>
SW11 Switch<Address setting : 1st digit>
SW12 Switch<Address setting : 2nd digit>
LED1 LED<Power Supply : DC5V>
LED2 LED<Connection to Outdoor Unit>
LED3 LED<Transmission : Sending>
LED4 LED<Transmission : Recelving>
LED5 LED<Power Supply : DC12V>
SYMBOL
P.B. Power Circuit Board
TABU/V/W
Connection Terminal<U/V/W-Phase>
TABS/T Connection Terminal<L1/L2-Phase>
TABP1/P2/P Connection Terminal<DC Voltage>
TABN1/N2/N Connection Terminal<DC Voltage>
DS2, DS3 Diode Bridge
IPM Power Module
N.F.
Noise Filter Circuit Board
LI/LO Connection Lead<L1-Phase>
NI/NO
Connection Lead<L2-Phase>
EI, E2 Connection Terminal<Ground>
52C 52C Relay
C.B. Controller Circuit Board
F1~F4 Fuse<
T6.3AL250V>
SW1 Switch<Forced Defrost, Defect History Record
Reset, Refrigerant Address>
63L 63H
TH7TH6 TH3 TH4
° ° ° °
t t t t
CNF1
(WHT)
7 1 4 1 2 2 1
TH7/6 TH3 TH4
(RED) (WHT) (WHT)
CNF2
(WHT)
7
1 3 1 3
63L 63H
(RED) (YLW)
CN2
3
(WHT) 7
1
TRANS
1
CNDC
(PNK)
7
F2 F3
CNAC
(WHT)
1 2
F1 F4
1 3 4
P. B.
1
DS3
CNAF
(WHT) CNDC
(PNK)
2
6
1 DS2
1
3
IPM
CN2
(WHT)
7
1 CN3
U
2
(WHT)
1 CN5
2 (RED)
1
CN4
2
(WHT)
TABN
TABP
V
U W
M
3~
MC
4
DCL
w
SW5-5.6 2
L1 L2
1
RED
N1
N2
BLK
ACTM
NAME SYMBOL
SW4 Switch<Test Operation>
SW5 Switch<Function Switch>
SW6 Switch<Model Select>
SW7 Switch<Function Setup>
SW8 Switch<Function Setup>
SW9 Switch
SWP Switch<Pump Down>
CN31 Connector<Emergency Operation>
LED1,LED2 LED<Operation Inspection Indicators>
Connector<Connection for Option>
SS
CNM Connector<A-Control Service Inspection Kit>
CNMNT Connector<Connected to Optional M-NET Adapter Board>
CNVMNT
Connector<Connected to Optional M-NET Adapter Board>
CNDM Connector< Connection for Option (Contact Input)>
X51,X52,X55 Relay
LEV-A
M
3
5
w1 w1
1 6 1 3 1 5
LEV-A CNVMNT CNMNT
(WHT) (WHT) (WHT)
1 14
CNM
CN31
(WHT)
CN52C
(RED)
CN4
1 2
(WHT)
1 2
2
2
3 1 3 1 3 1
21S4 SV2 SS
(GRN) (BLU) (WHT)
21S4
w2 PUZ only
TABT
BLU
TABS
WHT
TABP1
RED
3
1
L1 L2 GR S1 S2 S3
6
RED
P
WHT
Io INDOOR
UNIT
POWER SUPPLY
208 / 230V 60Hz
wUse copper supply wires.
19
NAME
When M-NET adapter is connected
5 SW11
SW1
5
1
LED2
SW12
LED3
LED4
M-NET SUBSTRATE
2
1 CND
(WHT)
3 1
3
A B S
TB7
M-NET
N. F.
LO NO
1 2
2
3
1
E2
2
1
2
EI
U
LI NI U
CY1
CY2
TB1