© 2010 Viking Preferred Service
49
Service Diagnostics and Procedures
Inverter (continued)
4. The inverter is now accessible on the right side.
115 VAC is supplied to the inverter from E4 on
the High Voltage Board. The LV board sends
2-5 VDC to the inverter to operate the
compressor.
5. Reverse procedure to reinstall.
Condenser Fan
The condenser fan is located in the upper machine
compartment of the unit.115 VAC is supplied to
the fan when the Compressor/Condenser Fan relay
closes to E4 on the High Voltage Board.
To avoid risk of electrical shock, personal injury, or death, disconnect electrical power to unit using power
switch before servicing. Wires removed during disassembly must be replaced on proper terminals to insure
correct earth ground and polarization. After servicing, reconnect power using power switch.
Inverter
Thermistor Connection
Frequency output
to inverter 2-5 VDC
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