Owon PCT513-TY - Installation Guide; Removing Old Thermostat

5
RC
RH G
C
Y1 Y2
W1
W2 O/B
Step 1. Switch o󽗈 your HVAC system
Before you start, please switch off your HVAC system to protect you and
avoid blowing a fuse. Wait a few minutes, then try to adjust the temperature
in your old thermostat to double check if the system is o󽗈.
Installation Guide
3
3-1 Removing your old thermostat
Step 2. Remove the old thermostat
Remove the old thermostat from the wall, keep the wallplate with wires.
Do not remove
the wallplate
Old thermostat
Breaker box Switch