13
PFD-P250VM-A
B2
B1
BC
A2
A1
AC
2
1
5
4
3
2
1
CN54
3
1 2
5
4
CN53
5
4
3
2
1
C
IFB
P
o
w
er supply DC12
~
24V
P
o
w
er supply
F
ailure output
Status output
Distant location on/off
<with v
oltage and current>
L
L
6
5
3
CN3A
(CN54)
T
Z1
ZNR
F
X06
X05
X04
71
3
2
1
CN3T
31
13
3
1
1
5
5
3
3
CNT
CND
CN70
FAN2
CN2M
I.B
1
2
CN32
3
2
1
CN51
12
3
4
5
CN52
12
3
4
5
X03
3
1
CNV
CNP
13
X01
CN23
21
CN31
1
2
3
1
PE
Distant location on/off <no v
oltage or current>
(1st digit)
(2st digit)
CN62
SW4
CN42
4
3
2
1
4
3
2
1
7 8
21
CN29
8 7
1
2
3
4
5
6
A.B
SW2
SW3
65
4
3
2
22
1
1
1
6
5
4
3
2
1
CN81
CN20
CN21
CN24
CN25
CN60
CN22
21
Z3
X11
22
1
2
1
TH24
LEV
TH21
TH22
TH23
6 5 4 3 2 1
SW14
SW12
SW11
CN82
SW1
33P1
33P2
51F
Z1
52F
(250V
5A F)
F1
51F
52F
MF
L3
DC24 to 30V
A1
S
B1
P
o
w
er supply
(No fuse break
er 20A)
3N
~
380/400/415V(50Hz)
400/415V(60Hz)
Inside the control box
L2
L1
Z3
SW8
Switch(nor
mal/local)
X11
L3
LED displa
y(chec
k)
LED displa
y(f
ailure)
L1
LED displa
y(status)
L2
LED displa
y(po
w
er supply)
L4
1
2
2
1
6
5
1
2
Indoor unit
Control wir
ing
S.
B
DSA1
CN1
1
3
F4(250V
1A F)
ZNR1
ZNR2
N
TB23
TB22
TB21
TB5
TB2
SHIELD
FA
N
o
v
er current detection
RC
TB15
Note:
1.
The dotted lines show field wiring.
2.
Always use odd numbers for the indoor unit address.
3.
Connect the transmission line from indoor unit to outdoor unit whose
address equals he address of the connected indoor unit + 50.
4.
Conventions: ,terminal bed; , connector; , board-insertion
connector or fastening connector of control board.
Address
(odd)
SWC
SW
A
TB22
IFB
Terminal bed for distant location display
Thermistor (outlet temp. detection)
Thermistor (piping temp. detection/liquid)
Thermistor (piping temp. detection/gas)
Auxiliary relay(fan)
Auxiliary relay(fan failure detection)
<No voltage or current>
<With voltage and current>
TB21
Terminal bed for distant location on/off
TB23
Terminal bed for distant location on/off
RC
MA Remote controller
TB15
Transmission terminal bed
Symbol
TB2
MF
I.B
A.B
TB5
External input/output board
Transmission terminal bed
Power source terminal bed
Address board
Indoor controller board
Fan motor
Name
F1
Switch (2nd digit address set)
Switch (1st digit address set)
SWC
Z3
33P1,33P2
F
ZNR,ZNR1,ZNR2
T
LEV
52F
51F
TH21
TH22
TH23
TH24
SW11(A.B)
SW12(A.B)
SW14(A.B)
SW1(A.B)
SW2(I.B)
SW3(I.B)
SW4(I.B)
X11
Z1
L1
L2
L3
L4
SW8
Switch (normal/local)
LED display (power supply)
LED display (check)
LED display (status)
LED display (failure)
Auxiliary relay(check)
Switch (for model selection)
Switch (for mode selection)
Switch (for capacity code)
Switch (for mode selection)
Switch (connection No.set)
Thermistor (inlet temp. detection)
Fuse<5A>
Over current relay (fan I/D)
Contactor(fan I/D)
Electronic linear expan.valve
Transformer
Varistor
Fuse<6A>
Float switch
Switch (outlet/inlet temp.control)
F4
Fuse<1A>
S.B
Surge absorber board
1
2 3
4 5 6
7
8
0
8
7
6
5
4
3
2
1
9
1
2 3 4
5
6
78
9
0
9
ABC
DE
F
0