Connect Wires; Finish Installation - Honeywell Home CT30 Series Owner's Manual

CT30 Series • Owner's Manual

Connect wires

1. Match each labeled wire with same letter on terminal.
2. Use a screwdriver to loosen screw terminals, insert
bare wires beneath screws, then tighten screws.
3. Push any excess wire back into the wall opening.
Labels don't match?
If labels do not match letters on thermostat, see table below.
Existing wires
R • RH • 5 • V
W • W1 • H
Y • Y1 • M
G • F
Rc
[1] If this wire is present, you may have purchased the
wrong thermostat. Call 1-800-468-1502 for help.
CT33 model is for 750 MV heat only
Set adjustment lever (CT30/CT31 only)
1. Separate cover from thermostat, and remove the insert.
2. Use a pencil to move the adjustment lever to the proper setting
for your system (see table below).
Your system
Gas or oil furnace (less than 90% efficiency)
Electric furnace (any type)
High efficiency furnace (more than 90% efficiency)
Hot water system
Gas/oil steam or gravity system

Finish installation

69-2338EFS—04
Connect to
CT30/CT33 CT31
Terminal "R" Terminal "R"
Terminal "W" Terminal "W"
[1]
Terminal "Y"
[1]
Terminal "G"
[1] [1]
Setting
0.4
0.3
0.8
0.8
1.2
1. Mount thermostat on base and tighten
three mounting screws (CT31 only).
2. Align the 3 tabs on the cover with slots on
the thermostat, then push gently until the
cover snaps into place.
3. Restore power at the heating/cooling
system, or at the fuse/circuit-breaker
panel.
M29587A
4
CT30/CT33
M29584
CT31
M29586