Product Overview - Electra WNG 50 DCI Service Manual

CONTROL SYSTEM
12.2

Product Overview

12.2.1 Block Diagram
Input
Filter
PFC
Comp.
12.2.2 Compressor
DC brush less and sensor less 2.5/3 horsepower motor inverter driven compressor.
12.2.3 Outdoor Fan
DC brush less motor.
12.2.4 RV
Reverse Valve set the direction of refrigerant flow in the system, thus setting the operation
mode for cooling or heating.
When the solenoid is powered, system will work in heat mode.
12.2.5 EEV's
Expansion valve operated by step motor which controls the size of the orifice.
12.2.6 HMI (Optional for single)
Three "7-Segments" + four Push buttons
12-2
Switching
Power
IPM
RV
OFAN EEV's
Base
Heater
Revision Y05-02
CONTENT
Control
Communication
Power
Drivers, A/D
Application
Control
Drivers
HMI
Alarm
LED's
Service Manual - WNG 50_60_80 DCI