Main Board
Compressor
DLB Relay
AC Input plug
J101 voltage select jumper
• Jumper between 1 and 2
230V
• Jumper between 1 and 3
265V
This jumper provide voltage
to 24 VAC transformer and
must be in place for Zoneline
to function correctly.
Heater plug
J304 Reversing
Valve Coil
Low Volt
Transformer
– 30 –
Outdoor Fan Motor
Outdoor
Thermistor(s)
J305 ICR
Pump