User's Manual

Thank you for purchasing a Robertshaw RS4000C thermostat. This
user’s manual will guide you through the setup of the RS4220C two
stage, and the RS4320C three stage* thermostats. The thermostat
should already be mounted and correctly wired. The default settings
will enable the thermostat to operate efficiently.
Features
Pop-Up Wizard
Automatic changeover
Circulating Fan
Worry-Free memory retention
Easy change battery
Large back lit display
Filter change reminder
Low battery indicator
Fahrenheit and Celsius displays
Dual power
Adjustable 1
st
stage temperature differential: 0.5 °F to 3.0 °F (0.5 °C
to 1.5 °C)
Accuracy within ±1 °F
Universal staging on multi-stage units
Automatic heating shutdown if temperature exceeds 99 °F (37 °C)
Keypad security lockout
User settable Hi and Lo temperature limits
1
RS4220C
RS4
3
20C
352-00058-001 Rev B
USERS MANUAL
* Three stage heating available for heat pump applications only.

Summary of content (24 pages)