2H/2C System (1 Transformer); 2H/1C Heat Pump System - Honeywell FocusPRO TH5220D Installation Manual
Non-programmable digital thermostat
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Also See for FocusPRO TH5220D:
- Operating manual (20 pages) ,
- Installation manual (25 pages) ,
- Installation manual (17 pages)
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FocusPRO
™
TH5220D Non-programmable Digital Thermostat
Wiring diagrams
Power supply. Provide disconnect means and overload protection as required.
Factory-installed jumper. Remove for 2-transformer systems only.
Optional 24VAC common connection.
In Installer Setup, set system type to Heat Only.
In Installer Setup, set system type to 1Heat/1Cool Heat Pump & changeover valve to 0 or B.
In Installer Setup, set system type to 2Heat/1Cool Heat Pump.
L terminal is powered continuously when thermostat is set to Em Heat.
Install field jumper between Aux and E if there is no emergency heat relay.
In Installer Setup, set system type to 2Heat/2Cool conventional.
Typical 2H/2C system (1 transformer)
Typical 2H/1C heat pump system
9
- Quick Links:
- System Settings
- Wiring
- Installer Setup
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Questions and answers
I have a loose brown wire in my thermostat. They’re all have wires connect except for the L and RC. Do I need to try and hook it
Is there a way to adjust thermostat accuracy? Thermostat reads 74 degrees but with thermo tester all rooms are 71 degrees.