Operating Guide

CT30 Series • Owner's Manual
69-2338EFS—01 4
M29587
M29586
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.
Set adjustment lever (CT30/CT31 only)
Finish installation
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).
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.
CT31
CT30/CT33
Connect wires
Labels don't match?
If labels do not match letters on thermostat, see table below.
Connect to
Existing wires CT30/CT33 CT31
R• RH•4• V Terminal “R” Terminal“R”
W•W1•H Terminal “W” Terminal“W”
Y •Y1•M [1] Terminal “Y"
G•F [1] Terminal “G”
Rc [1] [1]
Your system Setting
Gasoroilfurnace(lessthan90%efciency) 0.4
Electricfurnace(anytype) 0.3
Highefciencyfurnace(morethan90%efciency) 0.8
Hotwatersystem 0.8
Gas/oilsteamorgravitysystem 1.2
[1] If this wire is present, you may have purchased the
wrongthermostat.Call1-800-468-1502forhelp.
M29584
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