Honeywell CPFILA Manual de usuario

Honeywe

Heating,

Air

Conditioningor

Heating/Air Conditioning

Thermostats

INSTALLATION INSTRUCTIONS

The CT50A

for mostgasand

oil

heating-onlysystems.

TheCTSOC is

for

mostelectric

air

condmoning-only systems.

The CTSlA is

for

most

gas,

oil,

or electric

healing/electric air conditioningsystems

The CT53A

for

millivoltage heating systems.

Do-it-yourself

models

CT5OA,C; CT51A; CT53A

CPfilA

shown

YOUR

NEW

THERMOSTAT

Your new Honeywell CT50A

HeatingThermostat will replace

most 15to 30

2-wireheating

systemthermostats. The CT50A

issuitable only

for

gas or oil

heating systems (NOT

for

air

conditioning, heating/air

conditioning, heat pumpor

electric heating systems).

Your new CT5OC Cooling

Thermostat will replacemost

3-wireair conditioning

system thermostats (NOT

for

heating,heating/air conditioning

or heatpump systems).

Your new CT51A

Heating/Cooling Thermostat will

replacemost

4-wire.

heating/coolingsystem

thermostats.The CT51A is

suitable

for

gas,oil

electric

heating/electric air conditioning

systems (NOTfor heatpumps).

Your new CT53A Heating

Thermostat issuitable

for

250,

500

750

millivolt

(mV)

heating

systems only.

PREPAI

REMOL

WIRE

TROUB

Proper installation

your

newthermostat will occur

if you follow instructionsSTEP-

BY-STEP.

isrecommended

that as you read, understand and

complete each step, you check

off

with pencil

pen.

Check thermostat

suitability lor

your

home’s

system by reviewing

YOUR

NEW

you areunsureabout wiring

procedures, please call a

qualifiedservicetechnician for

assistance. THERMOSTAT section, above.

FLAT

BLADE

SCREWDRIVER

HAND

POWER

DRILL

WITH

3/16

INCH

DRILL

BIT

WIRE

CUTTER/STRIPPER

SHARP

KNIFE

SPIRIT

LEVEL

PLUMB

BOB

AND

LINE

11.95%

anddiscard the

under the cover.

Save package

screws

and instruction pages.

anticipator adjustment Disconnect wires

from oldthermostat or

subbase.

your thermostat

hasmore than

wires, as

you disconnect each wire,

tape the end and label it with

the letter of the terminal

designation to make

reconnectionto new

thermostat easier. Take care

that these wires do not fall

back into the wall opening.

Keepthe old

thermostat

for

reference purposes until

your new thermostat is

functioning smoothly.

WiRE

AND

MOUNT

For

CTSOA:

Connecteach

romthewall

either terminai onthe

back

the thermostat.

Tighten

the

screws.

For CT50C

Cf51

Connectwires

from the wallto matching terminals on back of thermostat.

Tighten the screws.

NOTE:

terminal designations on old thermostat do not match

those on newthermostat, refer

chart below.

system, and callnot

Printed

REMOVING

OLD

THERMOSTAT

you have an

electric furnace. you

need

determine how your

fan is controlled Turn it on

and adjust your present

thermostat

the heat

comes on, while observing

when the fan comes on If the fan comes

on immediately you need

add the

jumper noted in section

between

terminals 1

there isa noticeable

delay before the fan comes on, there

no need

add the jumper because your

furnace controls the fan

heating/air conditioning system at

the main fuse panel

Most

residential

systems have a separate switch box or

circuit breaker for disconnecting power

thefurnace

Remove cover of oldthermostat-

cover normally snaps off when

pulled firmly from the bottom If it resists.

check for

screw that locks the cover on

before removing the old

thermostat from the wall, look at

carefully

locate iheheat

Begin by turning off power

the

For CT50A or CTSIA installation

WIRE

AND

MOUW

.THERMOSTAT

wntinued)

Recheck for level positioning,and firmly

tighten both mounting screws

installingCTSOAor CT51A, makssure

CIyouAave the

turf-

{anticipator setting)

for your system. This isthe number you wrote

the box in step

you were unable

find the

currentdraw for step

this informationcan be

found printedon the primary control at the

furnace. The primary control

usually

gas

valve,

zone

valve, or a retay

burner

control

box

with thethermostat wires connectedto it. For

electric heat, you needto add the

n relay

current, usually

0.4

ZONE VALVE

OIL

BURNER

CONTROL

SHOWS

CURRENT DRAW

LOW

AGE

BURNER

DRAVI

TYPICAL GAS VALVE

ii.iaic

On the CT50A or CT51A, set heat

anticipator indicatorat rating printedon

primary control.

Adjuslablt,

Hea'

Ari

Set;[.

Press thethermostat cover firmly onto the

mounting clips

CHECK

OUT

THE

THERMOSTAT

To prevent possible com-

pressor damage, do not

operate air conditioning

outdoor temperature is

below

50"

[lo0

C]. Once

the air conditioner is

off,

do not turn

for 5

minutes: this action will

prevent compressor

damage.

the CT51A, the system

switch controlsas follows

HEAT-heating system only

operates.

OFF-heating and air condi-

tioning systems are dis-

connected

COOL-air conditioning sys-

tem only operates.

The fan switch controls as

follows:

AUTO-fan operates when

heating or air conditioning

system operates

ON-fa rates co

ousl

NOTE In the following instruc-

tion, disregard heating or air

applicable

your syst

heating/air conditioning

system

Observe system operation

for at feast one cycle

bothheatingandair conditioning.

To observe.

Place the system switch

at HEAT position and fan

switchat AUTO. Movethetemper-

ature setting laver

10"

[So

above room temperature. The

heating equipment should turn

short warm-up period may

be required before the system

fan turns on.

Place system switch at

COOL position and move

temperature setting lever 10" F

[So

C] below room temperature.

The arr conditioning equipment

should turn on and the system

fan should turn on.

NOTE Some systems have a time

delay that can prevent opera-

tion upto

minutes.

Turn thefan switch

ON.

The system fan should turn

on, and operate continuously.

The system blower should con-

tinue

operate at any system

switch or thermostat setting.

{MOSTAT

'ING

On CTSlA, place the sys-

tem and fan switches at

the desired settingsfor operation.

On all models, move the

temperature setting lever

to the desired temperature com-

fort level

TROUBLESHOOTING

Your Honeywellthermostatrequireslittle

noattention.Mostproblemscan generally

tracedto

the

following:

NOTE:

your system is heating-only or air conditioning-only, disregard sectionsnot applicabletoyour system.

SYMPTOM

heat

-_____

Furnace turns on

and

off.

Major swings in

^_^^_^

1..

..^

PROBLEM

System switch at

OFF

COOL

Position.

Blown fuse or tripped

circuit breaker

Furnacepower switch

QFF.

No pilot flame

Improperconnections to

thermostat.

Defective thermostat.

(Here’s how you tell:

Remove the thermostat

from the wall. Discon-

nect wire from

ter-

minal. Touch

wire to

terminal. The thermo-

stat is detective

the

burnercomeson.)

Other.

Burner

period is too

short,

Burner

period

*^^

,---

SYMPTOM

Move switch to HEAT Thermostatsetting

position. and thermometer

reading disagree.

Replace fuse or reset

circuit breaker

Switchto

_._

CORRECTI~E

Relight pilot flame per

furnace manufacturer’s

instructions

With power to furnace

OFF,

tighten all mounting

and terminal screws. Re-

pair frayed or broken

wires.

Exchange the thermostat

(seeWarranty). ing

air Condltlon-

Contacta qualifiedservice

technicianfor assistance.

Remove the thermostat

cover and move the heat

anticipatorleverCOUNTER-

CLOCKWISE

one

scale mark. Replace the

cover and wait several

hours for the system to

stabilize.

Remove the thermostat

^^..^_

..-A

-^..^

A&.^

LA-.

PROBLEM

Thermostat is not level.

Thermostat affected by

drafts or radiant heat.

Thermostat is out of cali-

bration.

Thermometer is out of

calibration

System switch in in OFF

or HEAT position.

Blown fuse or tripped

circuit breaker

Compressor switch

(lo-

cated outdoors)isturned

OFF

Improperconnections

thermostat

Defectivethermostat.

(Here’s how you tell.

Remove the thermostat

from wall Disconnect

wire from

terminal

Touch

wire to terminal

The thermostat is de-

fective

the compressor

CORRECTIVEACTION

Recheck the thermostat

position on wall. Use a

bubble level to make sure

it’s

level. See step

Contacta qualified service

technician to change the

location. The thermostat

should be about

[1.5

m] above the floor and on

an inside

wall.

Contacta qualified service

technician to recalibrate

thethermostat.

Recalibrate.See step

Move siitc-hto

cooi

position.

Replace fuse or reset

circuit breaker.

Move switch to ON posi-

tion.

With power to furnace

OFF,

tighten

all

mounting

and terminal screws. Re-

pair broken wires.

Exchange the thermostat.

SeeWarranty.

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