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Honeywell CT50A, CT51A, CT53A Installation Instructions Manual
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Honeywell CT50A, CT51A, CT53A Installation Instructions Manual

Honeywell CT50A, CT51A, CT53A Installation Instructions Manual

Ct50a, ct51a, ct53a thermostats
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CT50A, CT51A, CT53A
Thermostats
CT50A Heating only
Compatible with most 2 wire gas and oil heating systems.
CT51A Heating/Cooling
Compatible with most 4 wire gas and oil heating systems
and electric heat. Will not work on Heat Pump systems.
CT53A Millivolt heating only
For 250, 500, 750 millivolt systems.
PREPARATION FOR INSTALLATION
Assemble tools required; screwdriver, level, wire stripper.

REMOVING OLD THERMOSTAT

! Begin by turning off power to the heating system at
the main fuse panel. Most residential systems have a
separate switch box or circuit breaker for
disconnecting power to the furnace.
! Remove cover of old thermostat. Cover normally
snaps off when pulled firmly from the bottom. If it
resists, check for a screw that locks the cover on.
CT51A
INSTALLATION INSTRUCTIONS
MERCURY NOTICE
If this product is replacing a control that contains
mercury in a sealed tube, do not place the old
control in the trash. Contact your local waste
management authority for instructions regarding
recycling and proper disposal.
For CT50A, CT51A Installation
! Before removing the old thermostat from the wall, look
at it carefully to locate the heat anticipator adjustment
mechanism. See illustration below to help you
recognize the heat anticipator. Make a note
here _____ of the anticipator setting.
M11901
IMPORTANT
Setting the heat anticipator allows the thermo-
stat to maintain accurate temperature control.
MOUNTING CLIPS
(FOR COVER)
TOP MOUNTING
HOLE
ADJUSTABLE HEAT
ANTICIPATOR
SETTING LEVER
(CT50A, CT51A ONLY)
FAN SWITCH
(CT51A ONLY)
SYSTEM SWITCH
(CT51A ONLY)
MOUNTING CLIPS
(FOR COVER)
BOTTOM
MOUNTING HOLE
TEMPERATURE
SETTING LEVER
69-0265ES

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Summary of Contents for Honeywell CT50A, CT51A, CT53A

  • Page 1: Removing Old Thermostat

    CT50A, CT51A, CT53A Thermostats INSTALLATION INSTRUCTIONS MERCURY NOTICE If this product is replacing a control that contains mercury in a sealed tube, do not place the old control in the trash. Contact your local waste management authority for instructions regarding recycling and proper disposal.

  • Page 2: Wire And Mount New Thermostat

    CT50A, CT51A, CT53A THERMOSTATS WIRE AND MOUNT ! Using a pencil point, move the heat anticipator pointer to the number it was set to on the old thermostat. If you NEW THERMOSTAT could not find the anticipator setting on the old thermostat, use the setting for your type of system shown in the table below.

  • Page 3: Thermostat Operation

    CT50A, CT51A, CT53A THERMOSTATS THERMOSTAT OPERATION ! On the CT51A, the system switch controls as follows: ! To observe: Place the system switch at HEAT position HEAT—heating system only operates. and fan switch at AUTO. ° ° OFF—heating and cooling systems are disconnected.

  • Page 4: Limited 1-Year Warranty

    CT50A, CT51A, CT53A THERMOSTATS LIMITED 1-YEAR WARRANTY Honeywell warrants this product to be free from defects OR DAMAGE OF ANY KIND, INCLUDING ANY in the workmanship or materials, under normal use and INCIDENTAL OR CONSEQUENTIAL DAMAGES service, for a period of one (1) year from the date of RESULTING, DIRECTLY OR INDIRECTLY, FROM ANY purchase by the consumer.
  • Page 5 Termostatos CT50A, CT51A, CT53A INSTRUCCIONES DE INSTALACION ADVERTENCIA SOBRE EL MERCURIO Si este producto está reemplazando un control que contiene mercurio en un tubo sellado, no tire el control viejo a la basura. Comuníquese con su autoridad local de gestión de desperdicios para obtener instrucciones respecto del reciclado y la forma de disposición adecuada.
  • Page 6 TERMOSTATOS CT50A, CT51A, CT53A CABLES Y MONTAJE DEL ! Con la punta de un lápiz, mueva el puntero del anticipador hacia el número en el que estaba el termostato viejo. NUEVO TERMOSTATO Si no puede encontrar el ajuste del anticipador en el termostato viejo, use el ajuste para su tipo de sistema que se muestra en la tabla que aparece a continuación.
  • Page 7 TERMOSTATOS CT50A, CT51A, CT53A FUNCIONAMIENTO DEL TERMOSTATO ! En el modelo CT51A, los interruptores del sistema ! Siga los siguientes pasos: Coloque el interruptor del controlan lo siguiente: sistema en la posición CALEFACCION y el interruptor HEAT—opera el sistema de calefacción.
  • Page 8 Esta garantía le brinda derechos legales específicos, Esta garantía no cubre los costos de extracción y usted podrá tener otros derechos que varían según o reinstalación. Esta garantía no se aplicará si Honeywell el estado. demuestra que el defecto o mal funcionamiento estaba causado por daños ocurridos mientras el producto estaba...