Honeywell CT52A User Manual
Honeywell, Ct52a, ct53a thermostats, Your honeywell thermostat
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Honeywell
CT50
a
7
ct
51A,
CT52A, CT53A
Thermostats
INSTALLATiON iNSTBUCTIONS
CT50A is for most gas and oil
heating systems.
CT51A is for most gas and oil heating or
electric cooling systems.
CT52A is tor most electric
heating systems.
CT53A is for millivoltage heating systems.
Do-it-yourself models
CT50A
YOUR
HONEYWELL
THERMOSTAT
Your new Honeywell CT50A
Heating Thermostat will replace
most 15 to 30 V, 2-wire heating
system thermostats. The CT50A
is suitable only for gas or oil
heating systems (NOT for
heating/cooling, heat pump, or
electric heating systems).
Your new Honeywell CT51A
Heating/Cooling Thermostat will
replace most 15 to 30 V, 4-wire,
heating/cooling system
thermostats. The CT51A is
suitable only for gas or oil
heating/cooling or electric
cooling systems (NOT for heat
pump or electric heating
systems).
Your new Honeywell CT52A
Heating Thermostat will replace
most 15 to 30 V, 4-wire electric
heating system thermostats
(NOT for cooling, heating/
cooling, heat pump, gas or oil
systems).
Your new Honeywell CT53A
Heating Thermostat is suitable
tor 250, 500 or 750 mV heating
systems only.
□
Proper installation of your
Honeywell thermostat will
occur if you follow instructions
STEP-BY-STEP. It is recom
mended that as you read,
understand and complete each
step, you check 0 'f ofi with
pencil or pen.
PREPARATION
□
Check thermostat
suitability tor your home's
system by reviewing YOUR
HONEYWELL THERMOSTAT
section, above.
□
Assemble tools required,
as shown below.