Honeywell CT52A User Manual
Honeywell
CT50a7ct51A,
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
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.
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
Check thermostat
suitability tor your home's
system by reviewing YOUR
□
HONEYWELL THERMOSTAT
section, above.
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.
Assemble tools required,
□
as shown below.
PREPARATION
CONTENTS
PREPARATION
THERMOSTAT FEATURES
REMOVING OLD THERMOSTAT
WIRE AND MOUNT NEW THERMOSTAT
CHECK OUT THE THERMOSTAT
THERMOSTAT SETTING
TROUBLESHOOTING
RECALIBRATE THERMOMETER
STEP
LIMITED ONE-YEAR WARRANTY
Hareywcii warrantE iiiis nrodiicl to tw Iroo ii&m dcFec!* in woikmarsiilj) at maiemi:
!«&m the dale of purchsge by Ihe consumer. II. at any lime diring ihe waicaiiiy pejitjg
rapAji or replace it |at Hpreyweii's gplion) williln a leasonable period of time.
II Ihe proauct Ic cisrociive,
a, leiLirn ii, with a bill dI sete, receipt, or olliDr dalird prool o< oirrchese, to tno dE
1
2
3
4
5
6
7
8
b. pacitjgp It oaiciuiiy, aioric with a bill ol sale, iece>pt, or other daiod pfooi g
naif It, poAiage prepaid, to Ihe lollowlng address:
HoneywelJ Inc.
Rolurnod Goods
894i Tenth AvonoQ North
Ti.is
lenty doss not cover removal or rolnstairaiiori tdgta. This warranty shall not apply II It Is shown oy Honeywell that ihe dafoci or
maifunciipr was oausad By damegewhich occarrod while the product wes In the possassiem ala consumer,
Honeywell's sole respocslblllly shell he to repair or replace the prpduot withir Iho larms listed above. HONEYWELL SHALL NOT BE LIABLE
Fon ANY LOSS Qf=l PAMAGE OF ANY KIND. IHCLuOinG ANY irvClDENTAL OR CONSEQUENTIAL DAMAGES RESULTING, ClHECTLV OR
INDIFteCTLV, From any breach of any warranty, express Oh IMPLIED. Qfl ANY OTHER FAILURE OF THIS PRODUCT. Sonic stales rtg
not Bilow the QXCluSian or llmitfttion or conaoquernicl damages, so this ilmlmtlpri may not apply to you.
THIS WARRANTY IS THE ONLY EXPRESS WARRANTY HONEYWELL MAKES ON THIS PRODUCT THE- DUHATiON QF ANY IMPLIED
WARRANTIES, INCLUDING THE WARRANTIES OF ME-HCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, IS HFBESY LIMIT50 TO
The one year OURATiON of this warranty, Soms Eiaies do not allow lirriiiations on how long an Implied warranty lasts, S6 ihe above
Jimitation may not apply ig you.
This warranty giuej ygu specific legel lights, and you may have otiiar rights which vary from giaie to stole.
If you have any quOsLons Dpagerning this warranty, please write ai-r Consumer Allalis uapariiTiant, Hcneyweli irg., tiiBS Douglas Drive Nonh,
Golden Valley, MN 55422-13D6 oi tail toliect Eit 6t2/W2-3300.
S.M.
9-85«
Ulnnaepolrs, tAN 55427-d37S
Printed in U.S.A.
ider normal use and seArlce, for a period oi ano ¡i) year
e product IS delobtlve or maflunciions, нопвулеП aha"
er pr contiBctor frotii which ybu purchased It, or
viroheae, and a short descfjpliDn ol the rrelljnciioa, an:
Form Number 69-0265
®Horisyv/Gll Inc, 1035
Make certain that your
burner/air conditioner
(where applicable) are working,
□
especially if they have been
inoperative for any length of
time. If either does not work,
contact your local heating/air
conditioning dealer. Do NOT
operate the air conditioning
system if outdoor temperature is
below 50 F [IOC],
Carefully unpack your
□
new thermostat
THERMOSTAT
FEATURES
Top
Mounting Hole
(thermostat to
wait or outlet
box)
Adjustable Heat
Anticipator
Setting Lever
(CT50A, CT51A,
CT52A only)
Mounting
Clips {for cover)
Fan Switch
fCT5l A only)
System Switch
(CT51A only)