The Robertshaw
®
Programmable WiFi Thermostat allows you to control the temperature
anytime and anywhere. It features a large backlit display and LCD touchscreen for ease of
operation. Compatible with any IOS or Android Smartphone.
Thermostat System Types
Power Options
Hardwire (Common Wire) only
Gas, Oil, or Electric Heat with Air Conditioning
Heat Pumps (without auxiliary or emergency heat)
Multi-Stage Systems
Heat-Only, including for Floor and Wall-Furnace
Cool-Only
750 Millivolt Heating Systems
INSTALLATION MANUAL
1
IMPORTANT SAFETY INFORMATION
WARNING:
• Always turn off power at the main power source
by unscrewing fuse or switching circuit breaker
to the off position before installing, removing,
cleaning, or servicing thermostat.
• Read all of the information in this manual before
installing or programming this thermostat.
• This is a 24V AC low voltage thermostat. Do not
install on voltages higher than 30V AC.
• All wiring must conform to local and national
building and electrical codes and ordinances.
• Do not short (jumper) across terminals on
the gas valve or at the system control to test
installation. This will damage the thermostat and
void the warranty.
Summary of Contents for RS10420T
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