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Honeywell TH5220D Non-Programmable Digital Thermostat Installation Guide

Installation Guide  
Auto changeover (Setup Function 12)  
Auto Changeover is a feature used in  
climates where both air conditioning and  
heating are used on the same day.When the  
system is set to Auto, the thermostat  
automatically selects heating or cooling  
depending on the indoor temperature.  
Fan  
Auto  
System  
Auto  
Heat and cool settings must be at least 3 degrees apart.The thermostat will automati-  
cally adjust settings to maintain this 3-degree separation (calleddeadband”).  
The 3-degree separation between heating and cooling set temperatures is fixed, and  
cannot be changed.  
Built-in compressor protection (Setup Function 15)  
This feature helps prevent damage to the  
compressor in your air conditioning or heat  
pump system.  
Cool  
Setting  
Inside  
75°  
°
Damage can occur if the compressor is re-  
started too soon after shutdown.This feature  
forces the compressor to wait for a few  
minutes before restarting.  
Cool On  
System  
75  
Fan  
Auto  
Cool  
During the wait time, the message Cool On  
or Heat On (heat pumps only) will flash on  
the display.When the safe wait time has  
elapsed, the message stops flashing and the  
compressor turns on.  
Message flashes until safe  
restart time has elapsed  
Auxiliary heat control (Setup Function 26)  
Systems with heat pumps can be set to operate in one of two ways:  
Comfort Setting: The thermostat will prioritize comfort over economy  
depending on heat pump performance, load conditions and whether the  
equipment is calling for heat. Raising the temperature just a few degrees  
will often activate auxiliary heat.  
Economy Setting:  
The thermostat will attempt to reach the temperature set-  
ting without activating auxiliary heat. The thermostat waits a preset time  
before allowing auxiliary heat to be activated depending on the compressor  
stage performance, and on how many degrees the temperature setpoint is  
changed.  
14  
firealarmresources.com  
GeneralDetails
NameHoneywell TH5220D Non-Programmable Digital Thermostat Installation Guide
MakeHoneywell
LanguageEnglish
FiletypePDF (Download)
File size0.58 MB
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Honeywell TH5220D Non-Programmable Digital Thermostat Installation Guide