Robertshaw RS5220C User Manual

1
Thank you for purchasing a Robertshaw RS5220C programmable
thermostat. This user’s manual will guide you through the setup of the
RS5220 two stage thermostat. The thermostat should already be
mounted and correctly wired. The default settings will enable the
thermostat to operate efficiently. Before making any changes to the
schedule read the section on Default Settings.
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
• EnergyStar™ compliant
• Dual power
• Adjustable 1st 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
• 4 events per day for heating and cooling
• 5-2 day scheduling
• User settable Hi and Lo temperature limits
• Vacation setpoint override
RS5220C
352-00059-001 Rev B
USERS MANUAL

Robertshaw RS5220C Specifications

General

Model	RS5220C
Programmable	No
Temperature Range	45°F to 90°F (7°C to 32°C)
Battery Life	Up to 1 year
Compatibility	Single Stage
Display	LCD
Power Source	Battery

Summary

Important Safety Information

Default Schedule

Default User Settings

Emergency Heat

Changing Schedule Settings

Thermostat Parameters

Differential Setting

Controls thermostat's on/off cycling for small temperature changes.

Second Stage Differential

Manages second stage heating/cooling operation based on first stage.

Second Stage Delay

Timer that delays second stage operation after first stage activates.

Maintenance and Security Settings

Filter Reminder Timer

Cycle Timer

Calibration Offset

Adjusts displayed temperature relative to actual room temperature.

Password Protection

Enables setting a password to lock thermostat buttons.

Modes and Fan Settings

Automatic Shut-Down

Prevents operation if temperature exceeds defined high or low limits.

Fan Settings

Troubleshooting