Pioneer WD Series, Service Manual

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