2. Honeywell
  3. CT50A Standard low volt Thermostat

Honeywell CT50A Standard low volt Thermostat User manual

  • Hello! I've reviewed the installation instructions for Honeywell CT50A, CT51A, CT52A, and CT53A thermostats. This document covers a range of models suitable for different heating systems, including gas, oil, electric, and millivoltage systems. I can help you with information about installation, troubleshooting, recalibration and other questions you might have about these thermostats.
  • What type of heating systems is CT50A suitable for?
    What is the CT53A thermostat designed for?
    What should I do if the thermostat set point and thermometer reading do not agree?
CT50A. CT51 A,
CT52A-, CT53i
Thermostats
INSTALLATION INSTRUCTIONS
CELIA is for most gas and oil
heating systems.
CT53A is for millivoltage heating systems.
Do-it-yourself models
PREPARATION
firealarmresources.com
CONTENTS STEP
PREPARATION 1
THERMOSTAT FEATURES 2
REMOVING OLD THERMOSTAT 3
WIRE AND MOUNT NEW THERMOSTAT 4
CHECK OUT THE THERMOSTAT 5
THERMOSTAT SETTING 6
TROUBLESHOOTING 7
RECALIBRATE THERMOMETER 8
firealarmresources.com
firealarmresources.com
firealarmresources.com
CHECK OUT
THE
THERMOSTAT
operates.
OFF-heating and cooling sys-
tems are disconnected.
COOL--cooling system only
operates.
The fan switch COntrOiS a*
fOllOWS:
AUTO-fan operates when
heating or coaling system
operates.
ON--fan operates continu-
ous,y.
THERMOSTAT
SETTING
q
On CTS,A. ,,lace the sys-
tem and fan switches at
the desired setiings for operation.
q on a,, models. mc’“e ihe
temperature setting iever
to the desired temperature com-
,ort level.
firealarmresources.com
Major swings
RECALIBRATE THERMOMETER
if the thermostat set point and the
thermometer reading da not agree. the Fo;;rftilneadings are the same.
replace cover and put the system
thermometer may need recalibration.
FO,,OW the proceduy below.
0
q -’
I, the readings are different, in*ert
Remove thermostat CO”fzl.
a hex head wrench in the ther-
mometer shaft and turn it until the
q set the cover on a table near an theimometel~ hz3”e the same reading.
accurate thermometer.
q into operation.
Replace cover and put the system
firealarmresources.com
/