2-Wire Battery Powered Thermostat
Power
Common
WARNING
To protect yourself from harm, before performing maintenance, turn off the electrical power supply by unplugging the power cord
or by turning off the electricity at the circuit breaker. (The control panel does not control the electrical power.)
T-Stat
Switch
Rh
NO
CN1
W
Direct Vent Furnace
Relay Board
CN2
NC
DV PCB