Thank you for purchasing a Robertshaw RS4000 thermostat. This user’s
manual will guide you through the setup of the RS4110 single stage and
the RS4220 two 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 Degrees to 3.0 F
Degrees (0.5 C Degrees to 1.5 C Degrees)
• Accuracy within ±1 F Degree
• 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
352-00055-001
USERS MANUAL
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