Honeywell CT3650 User manual

Place Bar Code Here

69- 1285- 2

OWNER’S GUIDE

® U.S. Re

istered Trademark

Cop

well • •All Ri

hts Reserved

Honeywell CT3650

PROGRAMMABLE THERMOSTAT

Seven Da

Pro

rammable Heat and/or Cool

Low Volta

(

20 to 30 Vac

)

Thermostat and Wallplate

Model CT3650

Para pedir estas instrucciones en español, llame al 1-800-468-1502.

Pour obtenir ce ode demploi en fran

ais, composer le 1-800-468-1502.

Table of Contents

Step 1. Prepare for Installation ................................................................................................................................... 5

Step 2. Remove Old Thermostat ................................................................................................................................ 6

Step 3. Mount thermostat Wallplate ........................................................................................................................... 7

Step 4. Wire Wallplate Terminals ................................................................................................................................ 8

Step 5. Install the Batteries ........................................................................................................................................ 9

Step 6. Mount the Thermostat .................................................................................................................................... 10

Step 7. Customize Your Thermostat ........................................................................................................................... 11

Step 8. Set the Clock .................................................................................................................................................. 13

Step 9. Pro

rammin

................................................................................................................................................. 13

Step 10. Operatin

Your Thermostat .......................................................................................................................... 17

Step 11. Set the Fan and S

stem Ke

....................................................................................................................... 18

If You Have a Problem ................................................................................................................................................ 19

Smart Response™ Technolo

.................................................................................................................................. 20

Wirin

Dia

rams ......................................................................................................................................................... 21

69-1285—22

Total comfort temperature management with Smart Response™

Technology.

Con

ratulations! You made a smart choice b

purchasin

our new Hone

well thermostat; the smart thermostat that;

•

Keeps you comfortable

automaticall

calculatin

exactl

when the furnace or air conditionin

should

o on to

have the house at the desired comfort temperature b

the time

ou wake up or return home.

•

Saves the maximum amount of energy

and money

automaticall

rememberin

to adjust the temperature when

ou leave home or

o to sleep.

•

Provides the ultimate in comfort and convenience

. It comes prepro

rammed. You can use the prepro

rammed

schedule, or set

our own.

This manual answers man

of the questions that can arise as

ou become familiar and comfortable with

our

Hone

well thermostat —the state of the art in home comfort controls.

Read these instructions carefull

. Failure to follow these instructions can dama

e the product or cause a hazardous

condition.

MERCURY NOTICE

If this thermostat is replacin

a control that contains mercur

in a sealed tube, do not place

our old control in the trash.

Contact

our local waste mana

ement authorit

for

instructions re

ardin

rec

clin

and the proper disposal of this

control, or of an old control containin

mercur

in a sealed

tube.

ou have questions, call Hone

well Inc. at 1-800-468-1502.

M10614

MERCURY

SWITCH

TYPICAL LOCATION OF A MERCURY

SWITCH IN A THERMOSTAT

3 69-1285—2

M18596

Time Set Program

Run

Program

Hold Temp

Set Current

Day/Time

Day Heat/Cool

Settings

Wake

System

Fan

Copy

Daylight

Time

Leave Return Sleep

RAISES

TEMPERATURE SETTING

LOWERS

TEMPERATURE SETTING

DISPLAYS

CURRENT HEAT/COOL

TEMPERATURE SETTING

PROGRAM PERIODS

WAKE/LEAVE/RETURN/SLEEP:

ENTERS PROGRAMMING MODE

FAN KEY

SELECTS AUTO/ON

SYSTEM KEY

SELECTS HEAT/OFF/COOL

DIGITAL DISPLAY

SET CURRENT

DAY/TIME

SETS CURRENT

TIME AND DAY

RUN PROGRAM

RETURNS

THERMOSTAT

TO NORMAL

OPERATING MODE

HEAT/COOL SETTING

SWITCHES BETWEEN

HEAT SETPOINTS AND

COOL SETPOINTS

WHILE PROGRAMMING

TIME /TIME

SETS TIME

FORWARD OR BACK

DAY

SETS DAY OF THE WEEK

HOLD TEMP

SETS A HOLD

TEMPERATURE

SETTING AND

ACTIVATES

VACATION HOLD

FEATURE

DAYLIGHT TIME

SELECTS STANDARD

TIME OR DAYLIGHT

SAVINGS TIME COPY

COPY SETTINGS FROM ONE DAY TO

ANOTHER DAY FOR QUICK PROGRAMMING

69-1285—24

M18636

Aux Ht

System Off Auto

WakeLeaveReturnSleep

Mon

Wait Fan On Auto

Room

Humid

Outdoor

Filter

Hold for

Repl Batt

Recovery

Cool

TueWedThuFriSatSun Days

Set Program

Set Day/Time

Temporary Setting

Em Heat

Em Ht

DISPLAYS EITHER CURRENT

TIME OF DAY OR PROGRAM TIMES SHOWS THERMOSTAT IS IN

THE SET DAY/TIME MODE

SHOWS TEMPERATURE SETTING

CHANGED FOR THIS PROGRAM PERIOD

SHOWS THE TEMPERATURE

DISPLAYED IS THE CURRENT

SET TEMPERATURE

SHOWS THE TEMPERATURE

DISPLAYED IS THE CURRENT

ROOM TEMPERATURE

SHOWS THE BATTERIES ARE

LOW AND MUST BE

REPLACED

DISPLAYS EITHER ROOM

OR SET TEMPERATURES

SHOWS CURRENT FAN

KEY POSITION ON/AUTO

SHOWS THERMOSTAT IS

CALLING FOR THE FAN

SHOWS SMART RESPONSE IS OFF.

CONVENTIONAL RECOVERY IS ON

SHOWS THERMOSTAT IS PROCESSING

INFORMATION AND WAITING TO CALL FOR HEAT OR COOL

SHOWS SMART RESPONSE IS CHANGING

THE TEMPERATURE TO MEET THE

CURRENT PROGRAMS

SHOWS THAT THERMOSTAT IS

"CALLING" FOR HEAT OR COOL

SHOWS CURRENT

SYSTEM KEY POSITION

HEAT/OFF/COOL

SHOWS CURRENT

PROGRAM PERIOD

OR PERIOD BEING

PROGRAMMED

SHOWS CURRENT

DAY OR DAYS BEING

PROGRAMMED

SHOWS VACATION

HOLD DURATION

SHOWS WHEN

THERMOSTAT IS IN THE

PROGRAMMING MODE

DST

SHOWS SYSTEM ON DAYLIGHT SAVINGS TIME

5 69-1285—2

STEP 1. PREPARE FOR INSTALLATION

❑Check Table 1, the compatibilit

chart, to make sure the thermostat is compatible with

our s

stem. If

our s

stem

is not compatible, call Hone

well Customer Relations Center, toll-free, 1-800-468-1502.

Table 1. Compatibility Chart.

aCompatible with 2-wire Hone

well and Taco zone valves. Not compatible with 3-wire zone valves or 2-wire White

Rod

ers no. 1361 zone valves.

bNot compatible with an

120/240 volt s

stem.

Package Contents

•Thermostat •Wallplate

•Screws and anchors •Wirin

labels

•3 Ener

izer®AA batteries •Owners manual

Tools Required

•Screwdriver

•Drill

System Type Compatibility with CT3650

Gas —Standin

Pilot Yes

Gas —Electronic I

nition Yes

Gas-fired Boilers Yesa

Gas —750 Millivolt Heat Yes

Oil-Fired Boilers Yesa

Oil-Fired Furnace Yes

Electric Furnace Yes

Electric Air Conditionin

Yes

Baseboard Electric (120/240 line volt)bNo

Sin

le Sta

e Heat Pump Yes

Multista

e Heat Pumps/Multista

e Equipment No

69-1285—26

STEP 2. REMOVE OLD THERMOSTAT

❑Test

our heatin

and coolin

stems to make sure the

work properl

. If either s

stem does not work, contact

our local heatin

/air-conditionin

dealer. To avoid compressor dama

e, do not operate the coolin

stem when

outdoor temperature is below 50°F (10°C).

❑Turn off power to the s

stem at the furnace or the fuse/circuit breaker panel.

❑Carefull

unpack

our new thermostat and wallplate. Save packa

e of screws, instructions, and receipt.

❑Remove the cover from the old thermostat. If the cover does not snap off when pulled firml

from the bottom, check

for a screw or screws used to lock on the cover.

❑Loosen the screw or screws holdin

the thermostat to the wallplate and lift the thermostat awa

❑Disconnect the wires from the old thermostat. As

ou disconnect each wire, attach the enclosed labels with the old

terminal desi

nation. If there are onl

two wires, the

do not need to be labeled. Wrap the wires around a pencil as

shown to keep them from fallin

back into the wall.

Special Installations

Read this section if

ou are replacin

•Clock thermostat with separate wires for the clock.

•Thermostat with six or more wires connected to it.

•Thermostat in a heatin

onl

stem with three wires.

Replacing a Clock Thermostat that has C or C1 Clock Terminals

ou are replacin

a Hone

well Chronotherm®Thermostat,

ou ma

find one or two wires

oin

to the C or C1 clock

terminals on the Chronotherm wirin

wallplate. Do

not

allow them to touch, or

ou can dama

e the transformer.

Disconnect the wires and wrap them separatel

usin

electrical tape. Do

not

wrap them to

ether. Place the wires

where the

will not interfere with the operation of the new thermostat. Record the colors and terminal desi

nation

labels of the remainin

wires.

Replacing a Thermostat that has Six or More Wires

If there are six or more wires (excludin

clock wires attached to terminals),

ou probabl

have a variation of a

multista

e heat pump or other multista

e s

stem. This thermostat is not compatible with multista

e s

stems, so return

the product to the place of purchase. For information about which pro

rammable thermostats will work with

our

stem, call Hone

well Customer Relations Center, at 1-800-468-1502.

Replacing a Thermostat that has Three Wires

ou have three wires for a heatin

onl

stem and can operate the fan usin

the fan ON switch this thermostat works

with

our s

stem. However, some hot water (zoned) heatin

stems also have three wires. Your thermostat will work

onl

ou install an isolatin

rela

on these s

stems. For details, call

our local heatin

and/or coolin

contractor.

WIRES THROUGH

WALL OPENING

M5136

7 69-1285—2

STEP 3. MOUNT THERMOSTAT WALLPLATE

❑Separate the wallplate from the thermostat b

placin

our thumb or fin

ers

between the bottom of the wallplate and the thermostat, and pullin

the

wallplate up and awa

from the thermostat. See illustration at ri

ht.

❑Position the wallplate on the wall. Level the wallplate for appearance if desired.

Use a pencil to mark the two mountin

holes that best fit the application.

❑Remove the wallplate from the wall. Drill two 3/16 in. holes in wall (if dr

wall) as

shown. For materials such as plaster or wood, drill 7/32 in. holes where marked.

Gentl

, tap the (provided) anchors into the drilled holes until the

are flush with

the wall.

❑Reposition the wallplate over the holes. Pull the wires throu

h the wirin

openin

. Loosel

insert mountin

screws into each of the holes.

❑Level the wallplate if desired. Thermostat functions properl

when not level.

❑Ti

hten mountin

screws.

M16427

WIRES

THROUGH WALL

WALL

MOUNTING

HOLES

M15044

MOUNTING

SCREWS

WALL

ANCHORS (2)

69-1285—28

STEP 4. WIRE WALLPLATE TERMINALS

IMPORTANT

All wiring must comply with local codes and ordinances. If

unsure about household wiring procedures, call your local heat-

ing/air-conditioning contractor.

Refer to the labels

ou placed on the wires when

ou removed the old

thermostat (see illustration).

❑Match the letter of

our old thermostat wire with the correspondin

terminal letter on

our new thermostat. Refer to Table 2.

❑Remove the factor

-installed jumper connectin

terminals R and RC if

wires are connected to both of those terminals.

❑For wirin

dia

rams, if needed, see pp 21-22.

❑Loosen the terminal screws. Slip each wire beneath its matchin

terminal. Wraparound and strai

ht connections are both acceptable,

(see illustration). Ti

hten the terminals.

❑Plu

the hole in the wall with insulation to help prevent drafts from adversel

affectin

thermostat operation.

M16425

M4826

FOR WRAPAROUND

INSERTION STRIP

7/16 IN. (11 MM).

FOR STRAIGHT INSERTION

STRIP 5/16 IN. (8 MM).

9 69-1285—2

Table 2. Terminal Designations on Old and New Thermostats.

aIf both RH and R terminals are present on existin

thermostat, remove jumper and connect Rh to R and R to Rc.

bDo not connect both O and B when wirin

to a sin

le sta

e heat pump. Connect O to O. Tape off B.

cTape off end of the wire with electrical tape and push the taped wire back into the wirin

hole in the wall.

STEP 5. INSTALL THE BATTERIES

IMPORTANT

Three AA alkaline batteries are included with the thermo-

stat. Batteries must be installed for programming and opera-

tion of the thermostat and the heating/cooling system.

❑Install the batteries in the wallplate so the positive terminals all

point up (see illustration).

❑If the thermostat is alread

mounted on the wall, remove the

thermostat b

placin

our thumb between the thermostat and

wallplate and pullin

the thermostat up and awa

as shown.

Terminal on Old Thermostat Connect To Description

R, RHa, 4, V R Power

Rc, RaRc Power for coolin

W, W1, H W Heat

Y, Y1, M Y Coolin

G, F G Fan

O O Chan

eover in cool. (Sin

le sta

e heat pump onl

BbBbChan

eover in heat. (Sin

le sta

e heat pump onl

Cc, Xc, BbDo not connect. Transformer common

W2, H2Do not continue installation.

Call 1-800-468-1502. Second sta

e heat.

Y2Second sta

e cool.

M10622

INSTALL 3 AA ALKALINE BATTERIES

AS SHOWN, POSITIVE (+) TERMINALS

TOWARD TOP.

WALLPLATE

RRCOWYG

69-1285—210

When the batteries are runnin

low, a REPL BAT messa

e flashes for one to

two months before the batteries run out completel

. Replace the batteries as

soon as possible once the messa

e flashes.

IMPORTANT

Although the thermostat has a low battery indicator, replace the

batteries once per year to prevent leakage and to prevent the ther-

mostat and heating/cooling system from shutting down due to lack

of battery power in the thermostat.

ou insert new batteries within 20 to 30 seconds of removin

the old

batteries, the s

stem retains the current time and da

. If the displa

is blank,

the batteries are dead or installed incorrectl

. You must reset the time and

. Refer to Set the Clock for instructions.

As a precaution when leavin

home for lon

er than a month, chan

e batteries before leavin

to prevent

the s

stem from shuttin

down due to lack of power. Alwa

s use fresh alkaline batteries. Nonalkaline

batteries do not last as lon

. The

also can leak, causin

dama

e to the thermostat and the wall surface.

Hone

well recommends Ener

izer®batteries.

STEP 6. MOUNT THE THERMOSTAT

M16424

ENGAGE TABS AT TOP

OF THERMOSTAT

AND WALLPLATE.

M12703

PRESS LOWER

EDGE OF CASE

TO LATCH.

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