Pioneer WYD-GLFI SERIES Service Manual page 37

23.02 24.93
20
22.04 23.84
21
21.1 22.81
22
20.21 21.83
23
Appendix 3
Silk-printed label on outdoor control board of inverter unit
Control board connection
AC power incoming wire L
AC power incoming wire N
To indoor communication wire
Ground wire
Outgoing wire L after filter
Outgoing wire N after filter
DC+ input
DC- input
DC+ output
DC- output
4-way valve output
Outdoor fan HI output
Outdoor fan LOW output
Outdoor fan capacitor
Compressor output phase-U
Compressor output phase-V
Compressor output phase-W
Module DC+ input
Module DC- input
PFC board rectified
(Direct-insert bridge AC input)
PFC board rectified
(Direct-insert bridge AC input)
PFC inductance interface
PFC DC+ output
PFC DC- output
Outdoor fan DC motor socket
Outdoor temperature sensor
Exhaust pipe temperature sensor
Suction pipe temperature sensor
Compressor top thermostat
26.97 2.921
74
25.77 2.827
75
24.63 2.735
76
23.55 2.647
77
Connector label
P1
P2
P3
P0
P4
P5
P6-1
P7-1
P6-2
P7-2
P8
P9-1
P9-2
P9-3
P10-1
P10-2
P10-3
P6B
P7B
input + P11
input - P12
P13、P14
P6C
P7C
CN9
CN1
CN2
CN10
CN3
3.033 3.146
128
2.933 3.04
129
2.836 2.938
130
2.743 2.84
Description label Relay label
AC-L
AC-N
S
GND
L K1
N
DC+
DC-
DC+
DC-
VAL K4
H K2
L K3
C
U
V
W
DC+
DC-
DC+
DC-
L
DC+
DC-
36
0.5818 0.6148 0.649
0.5667 0.5991 0.6328
0.5521 0.5839 0.6171
Remarks
It is required to
reserve 4 inserts at
least
Relay control
For multiple wires,
use P5-1 and P5-2
to identify.
Intelligent power
module
Intelligent power
module
Power factor
correction
Power factor
correction
Power factor
correction
Power factor
correction
Power factor
correction