Honeywell CT31 Low Voltage Thermostat Owner’s Manual
CT31 Low-voltage Thermostat
Set adjustment lever
1
Separate cover from thermostat,
and remove the plastic insert.
2
Use a pencil to move the adjust-
ment lever to the proper setting for
your system (see table below).
Your system
Setting
Gas or oil furnace
(less than 90% efficiency)
0.4
0.3
Electric furnace (any type)
High efficiency furnace
(more than 90% efficiency)
0.8
0.8
1.2
Hot water system
Gas/oil steam or gravity system
Finish installation
1
2
Mount thermostat
on base and tighten
three mounting
screws.
Align the 3 tabs on
the cover with slots
on the thermostat,
then push gently
until the cover
snaps into place.
Base
(shown with
optional
cover plate)
3
Restore electrical
power at the heat-
ing/cooling system,
or at the fuse/
circuit-breaker
panel.
Thermostat
Cover
5
| General | Details |
|---|---|
| Name | Honeywell CT31 Low Voltage Thermostat Owner’s Manual |
| Make | Honeywell |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.64 MB |

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