Mitsubishi Electric PKFY-20VAM, Техническое и сервисное руководство

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7
WIRING DIAGRAM 4
MODELS : PKFY-20VAM, PKFY-25VAM
Legend
Symbol Name
TH23
Gas pipe thermistor
(0°C / 15k
Ω
, 25°C / 5.4k
Ω
)
P.B Indoor power board
ZNR Varistor
FUSE Fuse (6.3A)
F.C Fan phase control
T Transformer
MF Fan motor
C1 Fan motor capacitor
MV Vane motor
LEV Linear expansion valve
Symbol Name
M.B
CN32
Indoor controller board
Remote switch connector
CN41 HA terminal — A connector
CN51 Centrally control connector
CN52 Remote indication connector
SW2 Capacity cord switch
SW3 Function selector
TH21
Room temperature thermistor
(0°C / 15k
Ω
, 25°C / 5.4k
Ω
)
TH22
Liquid pipe thermistor
.
(0°C / 15k
Ω
, 25°C / 5.4k
Ω
)
Symbol Name
TB2
TB5
Power supply terminal block
Transmission terminal block
A.B Address board
SW1 <A.B> Mode selector
SW5 <A.B> Voltage selector
SW11 <A.B> 1st digit address setting
SW12 <A.B> 2nd digit address setting
SW14 <A.B> Connection No. setting
T O NEXT
INDOOR UNIT
PULL
BOX
FUSE
(15A)
BREAKER
(15A)
AC220-240V
SW5
220V 240V
BLU
RED
BLU BLU
WHT BLK RED BLU
0
0
M2
M1
REMOTE CONTROLLER
DC24-30V
{
BC CONTROLLER
T O OUTDOOR UNIT
S(SHIELD)
GRN/YEL
~/N 220-240VA@50Hz
POWER SUPPLY
N
TB2
L
MICON
BOARD
(WHT)
POWER BOARD
ADDRESS
(RED)
(WHT)
REMOTE
INDICATION
CONNECTION
NO. 1ST
DIGIT 2ND
DIGIT 3RD
DIGIT
ADDRESS
(RED)
F.C
ZNR
3 1
P.B
See fig:
❈
1
BLU
YEL
ORN
PNK
WHT
YEL
MF
5
TH21 TH23 TH22
LEV
ORN
BLU
RED
RED
BRN
MV
LED5
0
A.B
SW14
SW11 SW12
SW1
10 9 8 7 6 5 4 3 2 1
OFF
ON
1
1
8
(RED)
ADDRESS
CN43
CN82
4
4
8
6.3A
250V
FUSE
AC18.4V
T
C1
CND
(RED) (GRN)
F AN1
1
2
1 3 5
1 2
(BLU)
M-NET
CN2M
1 2
LIQUID
CN21
CN53-P
MICON
BOARD
CN35-P
1
5
M.B
POWER BOARD
CN53-M
1 5
3
CN35-M
1
LED4 LED3 LED2 LED1
SW2
4
3
2
1
0N
0FF
SW3
10
9
8
7
6
5
4
3
2
1
5
1
CENTRALLY
CONTROL
CN51
5
4
1
1
(WHT)
CN52
CN42
(RED)
ADDRESS
1
8
CN81
(RED)
INTAKE
CN20
2 1
(WHT)
CN60
LEV
(BLK)
GAS
CN29
(GRN)
REVOLUTION
CN33
2 6 1 1
6
1 2 3
CN32
REMOTE
SWITCH
(WHT)
1 2 3
1 2 3 4
HA
CN41
(WHT)
(BLU)
CN5V
5 1
TB5
Note
1. At servicing for outdoor unit, always follow the wiring diagram of outdoor unit.
2. Symbol [S] of TB5 is the shield wire connection.
3. Symbols used in wiring diagram above are,
/ : terminal block, [ : connector,
●
: direct wire connection.
4. The setting of the SW2 dip switches differs in the capacity for the detail, see the table below.
5. Please set the switch SW5 accordng to the power supply voltage.
SW5 to 240V side when the power supply is 230 and 240 volts.
When the power supply is 220 volts, set SW5 to 220V side.
[
ON
OFF
1 2 3 4
MODELS SW2
PKFY-20VAM
ON
OFF
1 2 3 4
MODELS SW2
PKFY-25VAM
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BG79N652H01
OC112--1.qxp 11/16/98 4:46 PM Page 7