Front and Rear Panel Descriptions
Front
LCD screen:
The thermostat has a 2” Color LCD screen.
Hard buttons:
These buttons change according to what is displayed on screen.
Up/Down arrow buttons:
Use these buttons to adjust the temperature or select an onscreen item.
Reset button
(
located on the right side of the thermostat
): Press the recessed button with a stylus or paperclip
for less then 10 seconds to reboot the thermostat.
Rear
181
MAC Address:
The MAC address label is located on the rear of the thermostat.
Batteries not required:
This model does not require batteries but future models may.
S+|S-:
Supports one hardwired external temperature sensor which directly connects to the rear of the THZ-
100’s S+ (Power +) and S- (Power -) connectors.
B:
Reversing Valve (Heat)
O:
Reversing Valve (Cool)
Y2:
2nd stage compressor (Air Conditioner)
Y1:
1st stage compressor (Air Conditioner)
W2:
2nd stage heat or 2nd Stage AUX heat for a heat pump.
W1:
1st stage heat or AUX heat for a heat pump system.
G:
Fan Terminal - If you are using a single speed fan, connect it to the “G” terminal, since the fan speed default
is set to Low. On a multi-speed fan, “G” is the lowest speed.
C:
24 VAC common
RC:
24 VAC from the cooling system
RH:
24 VAC from the heating system. Note: If a separate 24 VAC is not supplied to the RC terminal, you should
install a jumper from RH to RC.
Summary of Contents for THZ-100
Page 5: ...Dual Stage Furnace and Dual Stage A C Single Stage Heat Pump with Reversing Valve O 184 ...
Page 6: ...Single Stage Heat Pump with Reversing Valve B Dual Stage Heat Pump with Reversing Valve O 185 ...
Page 7: ...Dual Stage Heat Pump with Reversing Valve B Boiler and A C with Separate Transformers 186 ...
