Honeywell CT1501 User manual

CTl500, CT1501,

CT1502,

CT1503

ELECTROMECHANICALFUELSAVER

THERMOSTAT AND

WALLPLATEEUBBASE

CTI500-24

gas

oil heat.

CTl501-24

gas

oil

heat/cool.

CTI502--24

centralelectric heat/cool

single stageheat

pump

without

auxiliary heat.

CTI

503-750

millivoltheat.

NOT

FOR

USE

ON LINEVOLTAGE

(120

SYSTEMS.

INSTALLATION MANUAL

Any questionsconcerningthe application

thisthermostatshould bedirectedto HoneywellConsumerServices

at 1-800-468-1502, Monday-Friday

730

a.m.-500 pm., Centraltime.

S.M.

Rev.

7-91

aHoneywell

Inc.

1991

Form

Number

69-0273-9

THERMOSTAT FEATURES

I-Front

thermostat.

HlGH TEMPERATURE

CONTROL LEVER

(RED)

LOW TEMPERATURE

CONTROL LEVER (BLUE)-

11.711

'THERMOSTAT

THERMOMETER

COVER

Il-Hinged cover lifted.

.. .~

,.....

"---

PROGRAM PINS

Ill-Cover removed.

HOUR

PROGRAM

DIAL

ANTICIPATOR

HIND

THERMOSTAT.

HELD ON BY TWO

CAPTIVE SCREWS.)

CAPTIVE MOUNTING

PREPARATION

((1

THERMOSTAT

MODEL

CT1500

CT1501

CT1502

SUBBASEOR

199986CWallplate

Q682A1079 Subbase

Q682B1227Subbase

WALLPLATE INCLUDED FOR USEWITH

2-wire, 15to 30 volt control circuit For gas or oil

heatingsystem.

4- or 5-wire, 15to 30 volt control circuit For gas

oil heating/cooling system.

4-wire,

to 30 volt control circuit. For single stage

heat pump or central electric heatinglcooling

systems that require the thermostat to control the

fan in heatino.

CT1503

aThermostat mustbemountedon wallplate

subbase included in packageto assure operation.

Assemble tools required,as illustrated

199986DWailpate

[

750

mill

volt single-stageheatingsystem.

MASKING TAPE.

NEEDED

LABELWIRESASTHEYARE

OISCONNECTED

FROM

OLD

THERMOSTAT

wallplateor subbaseis mountedon avertical

outlet box (check old installation), order

196393A Cover Plateand Adapter Ring (seeappro-

priate figure under step 4). Call Honeywell

Consumer Services

-800-468-1

502)

for ordering

information, Monday-Friday, 7:30 a.m. to

500

p.m.

Centraltime.

Test to make certain that your heating and

cooling systems are working.

either one

does not work, contact your local heatingfair

conditioningdealer.

NOTE:

not operate cooling system

outdoor

temperature

below

50'

[loo

C].

Turn off power to the heatingfcooling System

at the mainfuse panel.

UNPACK THERMOSTAT

THERMOIIAT

Remove and discard shipping wrap. Save

Remove thermostat cover by lifting up from

the bottom.

Carefully remove insert protecting switch

bulbs.

Loosen

two

captive mounting screws, and

separate wallplate or subbase from back of

thermostatbase.

package of screws, instructions and receipt

IFT

OVER

SCREWS

12.612

REMOVE

OLD

THERMOSTAT

“3

Remove cover of old thermostat.

the cover

doesn’t snap

off

when pulled firmly from the

bottom,check for a screw that locksthe cover on.

Before removing the old thermostat from the

wall, look at it carefully to locate the heat

anticipator adjustment mechanism. (See illustration

to help you recognize the heat anticipator.) Make a

note herellofthat anticipator setting for

future reference.

your thermostat does not have a

heat anticipator,do not be concerned. Move on to

nextparagraph.

Loosen screws holdingthermostatto wallplate,

subbase or wall and liftaway.

Disconnect wires from old thermostat wall-

plate or subbase. Tape each wire and label

with the letter

the terminal designation to make

reconnection easier.

there are only two wires,

labelingis not necessary.

IMPORTANT

thermostatcannotbeused on your system.

EXCEPTION: The CT1502 thermostat can be

used

a system with Bor

terminals.

One

twoextra wires?

you are replacing a Honeywell Chronotherm

thermostat,you may find one

two

wires that go to

the clock terminals on the Chronotherm thermostat

wiring wallplate.

notallow them to touch, or you

may damage your transformer. Disconnect the

wires, and wrap them separately, using electrical

tape.

not

wrap

them together. Place the wires

where they will not interfere with the operation of

the new thermostat.Record the colors and terminal

designationlabelsof the rest of the wires.

69-0273-9

MOUNT WALLPLATE

SUBBASE

“4

mounting on outlet box, mount as shown

on appropriate figure.

mounting on wall, hold wallplate or sub-

base in position and mark holes on wall.

Use spirit level to make sure wallplate or

sub-

.’

base will be level. Drill

3/16

in. holes and gently

tap anchors into holes until flush with the wall.

Position wallplate or subbase as shown in

appropriate figure, and loosely insert the

screws supplied.

Carefully level the wallplate

subbase and firmly

tighten screws.

SPIRIT LEVEL

‘‘wm

WALLPLATE

SCREWS

“2)

69-0273-9

WIRE WALLPLATE OR SUBBASE

MOTE:

All

wiring mustcomply with local electrical

Referto illustration and strip thermostat wire

insulation as necessary.

codes and ordinances.

F"rn

~STFldilRUT

. -.

CONNECTION-

FOR

WRAPAROUND

BARRIER

CONNECTION-

STRlP7116In.

[11

mml

For

CT1500

heating-only

POWER

SUPPLY.

PROVIDE

DISCONNECT

MEANS

AND

Wlll

OVERLOAD

PROTECTION

REOUIRED.

Connect either wire to

terminal and the

other wire to

terminal. Firmly tighten

screws.

Push excess wire back into wall, and plug

hole In wall with nonflammable Insulation to

preventdrafts from affecting thermostat operation.

For

CT1501

heating/cooling

Connect the wires to matching terminals

the subbase.

4-WIRESYSTEM

U U

5-WIRESYSTEM

I I

RELAY

CONTACTOR

VALVE

COIL

I I

POWER SUPPLY.

PROVIDE

DISCONNECT

MEANS

AND

M2&13

NOTE:

there are four wires, connect wire

marked

to terminal

and add a jumper

wire

connect to RC.

RC is left uncon-

nected,the air conditioner will

not

turn

on.

The

4-wire drawing

this page showshowto jumper

RC to

RH.

Strip the insulation off the wire

where ifconnectsto the terminals. Firmly tighten

screws.

I I

POWER

SUPPLY.

PROVIDE

DISCONNECT

MEANSAND

OVERLOAD

PROTECTION

REOUIRED.

INSTALL

JUMPER

BETWEEN

AND

RH.

Ma"

the labels do not agree with the terminal

Refer

Table

page

Determine correct hookup from the listed

control function and the equipment control

circuit

designations

your new subbase

69-0273-9

OLDSUBBASE

TERMINAL

or RH

Push excess wire back into wall. and plug

hole in wall with nonflammable insulation to

prevent draftsfrom affectingthermostat operation.

CONTROL FUNCTION

Heating transformer power to

control circuit

Cooling transformer power to

control circuit.

Heating relay or valve.

Cooling relay.

Fan relay.

Heating changeover valve or

damper control circuit.

Cooling changeover valve or

damper control circuit.

Heat pump compressor control

For

CT1502

heatinglcooling

CENTRAL ELECTRICSYSTEM

I-

CONTACTOR

RELAY

VALVE

COIL

POWER

SUPPLY.

PROVIDE

DISCONNECT

MEANSAND

M%1*

OVERLOADPROTECTION

REOUIRED.

This manual suits for next models

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