B line voltage
electric heat thermostats (13 pages)
Summary of Contents for Honeywell CT50A
Page 1
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...
Page 2
CONTENTS PREPARATION THERMOSTAT FEATURES REMOVING OLD THERMOSTAT WIRE AND MOUNT NEW THERMOSTAT CHECK OUT THE THERMOSTAT THERMOSTAT SETTING TROUBLESHOOTING RECALIBRATE THERMOMETER STEP...
Page 5
CHECK THERMOSTAT operates. OFF-heating and cooling sys- tems are disconnected. COOL--cooling system only operates. switch COntrOiS fOllOWS: AUTO-fan operates when heating or coaling system operates. ON--fan operates continu- ous,y. THERMOSTAT SETTING On CTS,A. ,,lace switches the desired setiings for operation.
Page 6
Major swings RECALIBRATE if the thermostat thermometer reading thermometer need FO,,OW the proceduy Remove thermostat on a table near an theimometel~ q set the cover accurate thermometer. q into operation. THERMOMETER point Fo;;rftilneadings replace cover and put the system da not agree.