System Installation Guide
4
69-2688—07 I/O-CHTSTAT03
Install thermostat
1
Thermostat Mounting
Mountthethermostatapproximately5feetfromtheflooronaninteriorwallusingthe
includedscrewsandanchors.Drill3/16"holesfordrywalland7/32"holesforplaster.
Donotinstallthethermostatwhereitcanbeaffectedby:
• Draftsordeadspotsbehinddoorsandincorners.
• Hotorcoldairfromducts.
• Radiantheatfromsunorappliances.
• Concealedpipesandchimneys.
• Unheated(uncooled)areassuchasanoutsidewall.
Terminal Functions:
1 - Data 1
2 - Data 2
R-24voltpower
C - 24 volt common
Wire Gauge:
18gaugewireisrecommended.MaximumwiredistancebetweentheComfortNet
thermostatandtheIFCshouldnotexceed100feetusing18gaugewire.
MCR29241
MCR33170
1
2
R
C
MCR33171
1
2
R
C