Gree GMV-PD100W/NAB-K, Service Manual

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111
DC Inverter Multi
VRF Service Manual
3 POWER DISTRIBUTION
3.1 Diagram of Power Distribution
Power Supply
Air switch
Filter board
Mainboard
Indoor unit
Control signal of temperature sensor, electronic
expansion valve, high and low pressure switch ect.
Control signal of 4-way valve, gas bypass,
electric heating tape ect.
Compressor
(The thick lien represents power line while thin line represents the control line.)
3.2 Introduction of Major Electrical Elements
Name Photo Function Introduction
Filter board
It used for
GMV-Pd100W/NaB-K,
GMV-Pd120W/NaB-K,
GMV-Pd140W/NaB-K,
GMV-Pd160W/NaB-K,
Main functions:
1) Filter the power interference and
ensure the anti-interference ability of the
unit under poor quality of power supply;
2) Inhibit the interference of the unit
to the power supply and prevent
the operation of unit from affecting
other electric appliances like TV.
Filter board
It used for
GMV-Pd140W/NaB-M,
GMV-Pd160W/NaB-M,