Mitsubishi Electric PUZ-A18NHA2 Service Manual page 17

PUZ-A24NHA2 PUZ-A24NHA2-BS PUY-A24NHA2 PUY-A24NHA2-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
SV Solenoid Valve (Bypass Valve)
TH3 Thermistor<Outdoor Pipe>
TH4 Thermistor<Discharge>
TH6 Thermistor<Outdoor 2-Phase Pipe>
TH7 Thermistor<Outdoor>
TH8 Thermistor<Heatsink>
LEV-A Electronic Expansion Valve
ACL Reactor
CY1,CY2 Capacitor
P.B. Power Circuit Board
R/S
Connection Terminal<L1/L2-Phase>
U/V/W
Connection Terminal<U/V/W-Phase>
C. B.
MF1 1
MS
3~
CNS
(WHT)
3
P. B.
PFC
w1 MODEL SELECT
MODEL
ON
PUZ-A24N
OFF
1 2 3 4 5 6
ON
PUY-A24N
OFF
1 2 3 4 5 6
w
2. SW5-1 to 4 : Function switch
M-NET ADAPTER
SYMBOL
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
PFC Converter
IPM Power Module
CB1~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<Forced Defrost, Defect History
Record Reset, Refrigerant Address>
SW4 Switch<Test Operation>
SW5 Switch<Function Switch>
SW6 Switch<Model Select>
SW7 Switch<Function Setup>
SW8 Switch<Function Setup>
SW9 Switch
63H
TH7 TH6 TH3 TH4
≈ ° ° °
t t t t
CNF1
(WHT)
7 1 4 1 2 2 1
TH7/6 TH3 TH4
(RED) (WHT) (WHT)
1 3
63H
(YLW)
CN2
3
(WHT)
1 7
TRANS
1
CNDC
(PNK)
5
F2 F3
CNAC
(WHT)
1 2
F1 F4
3 4
1
PUZ only
RED
WHT
ACL
MC
MS
3~
W U
V
IPM
U
R
V
RED
W
WHT
S
CB1 CB2 CB3
w
SW6 SW5-5.6
2
ON
OFF
7 8 1 2 3 4 5 6
ON
OFF
7 8 1 2 3 4 5 6
NAME
wUse copper supply wires.
NAME SYMBOL
LED1,LED2
F1~F4
SWP
CN31
SS
CNM
CNMNT
CNVMNT
CNDM
X51,X52,X55 Relay
LEV-A
M
3
5
w 1
w1
1 6 1 3 1 5
LEV-A CNVMNT CNMNT
(WHT) (WHT) (WHT)
1 14
CNM
(WHT)
CN31
CN52C
(RED)
CN4
1 2
(WHT)
1 2
2
2
3 1 3 1 3 1
21S4 SV2 SS
(GRN) (BLU) (WHT)
21S4 SV
RED
WHT
2
CN5
1
(RED)
2
2
CN4 1
(WHT)
2
1
TH8
CN3 1
3
(WHT)
2
°
t
5
1
CN2
(WHT)
7
1
3
CY1
CY2
L1 L2 GR S1 S2 S3
TB1
INDOOR
UNIT
POWER SUPPLY
208 / 230V 60Hz
17
NAME
LED<Operation Inspection Indicators>
Fuse<T6.3AL250V>
Switch<Pump Down>
Connector<Emergency Operation>
Connector<Connection for Option>
Connector<A-Control Service Inspection Kit>
Connector
<Connected to Optional M-NET Adapter Board>
Connector
<Connected to Optional M-NET Adapter Board>
Connector
< Connection for Option (Contact Input)>
When M-NET adapter is connected
5 SW11
SW1
5
1
LED2
SW12
LED3
LED4
M-NET SUBSTRATE
2
CND
1
(WHT)
3 1
3
A B S
TB7
M-NET
RED
WHT
N. F.
LO NO
1 2
2
1
2
2
U
U
LI NI EI