Honeywell CPFILA user manual

Summary of the content on the page No. 1

I
Honeywe I I
to 30 V, 3-wire air conditioning
YOUR
Heating, Air Conditioning or system thermostats (NOT for
heating, heating/air conditioning
NEW
Heating/Air Conditioning
or heat pump systems).
PREPAI
THERMOSTAT
Thermostats
Your new CT51 A
INSTALLATION INSTRUCTIONS
Heating/Cooling Thermostat will
Your new Honeywell CT50A
The CT50A is for most gas and oil
replace most 15 to 30 V, 4-wire.
Heating Thermostat will replace
heating-only systems. REMOL
V, 2-wire heating heating/ co

Summary of the content on the page No. 2

Printed I when the fan comes on If the fan comes on immediately you need to add the jumper noted in section 4 between terminals 1 & 2 If there is a noticeable delay before the fan comes on, there IS no need to add the jumper because your furnace controls the fan to the Begin by turning off power 0 heating/air conditioning system at the main fuse panel Most residential systems have a separate switch box or circuit breaker for disconnecting power to the furnace REMOVING OLD THERMOS

Summary of the content on the page No. 3

ON-fa rates co 4 WIRE AND MOUW .THERMOSTAT wntinued) ousl NOTE In the following instruc- Recheck for level positioning, and firmly tion, disregard heating or air tighten both mounting screws applicable to your syst If installing CTSOAor CT51 A, makssure CI you Aave the turf- {anticipator setting) for your system. This is the number you wrote in heating/air conditioning the box in step 3 If you were unable to find the system current draw for step 3. this information can be found pr

Summary of the content on the page No. 4

I I TROUBLESHOOTING Your Honeywell thermostat requires little or no attention. Most problems can generally be traced to the following: NOTE: If your system is heating-only or air conditioning-only, disregard sections not applicable to your system. SYMPTOM PROBLEM CORRECTI~E Am SYMPTOM PROBLEM CORRECTIVE ACTION _._ _- No heat System switch at OFF or Move switch to HEAT Thermostat setting Thermostat is not level. Recheck the thermostat COOL Position. position. and thermometer position on wa