Honeywell Rth7500 Quick Start Manual 69 2722 01 RTH7400/RTH7500 Series

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MCR33842

Go Back Next Done

6

15

2012

MCR33763

50 60 70 80 F

OFF

AUTO EM. HEAT

EM. HEATAUX. HEAT

50 60 70 80

MCR33835

Installation is Easy

Label wires and remove your old thermostat

Install and wire your new thermostat

Set your new thermostat to match your heating/cooling

system

– This thermostat works with virtually all System

Types

– It is preset for the most common system

We are here to help.

Call 1-800-468-1502 for

wiring assistance before

returning the thermostat to

the store. Remove old thermostat but leave wallplate with

wires attached.

2Remove Old Thermostat

1Turn OFF Power to Heating/

Cooling System

Is there a sealed tube containing

mercury? If so, see back cover for

proper disposal instructions.

Leave wallplate in

place

Old thermostat

Cover

Label the wires using the supplied wire labels as you

disconnect them, then remove the old wallplate.

3Label Wires with Tags

Wire Labels

Wire color might not match labels.

M31545

Remove wallplate from the new thermostat.

M28073

4Separate Wallplate from

New Thermostat

Wallplate

Mount the new wallplate using the included screws

and anchors.

5Mount Wallplate

MCR28094

Drill 3/32-in. holes for plaster

Drill 3/16-in. holes for drywall

MCR27518

Simply match wire labels.

Remove metal jumper if you have both R and Rc wires.

MCR28070

W2

Y2

C

G

Y

W

RC

R

LABELED WIRES

SCREW

CONVENTIONAL

INSERT WIRES

THEN TIGHTEN SCREWS

WIRE HOLE

Y

G

R

W

CONVENTIONAL

6Connect Wires

Labels don’t match? See Wiring Notes (over).

Have a Heat Pump system? See Wiring Notes (over).

Call 1-800-468-1502 for wiring assistance.

Install two AA alkaline batteries and remove tab.

MCR28101

Back of thermostat

Remove tab.

7Install Batteries

M27519

Install thermostat onto the wallplate on the wall.

Turn the power back on to the heating/cooling system.

8Install Thermostat onto Wallplate

9Turn Power Back ON

If your system type is:

q Single Stage Heat and Cool

Congratulations, you’re done!

Thermostat is set with energy saving schedule; see operating

manual to adjust schedule.

If your system type is:

q Multistage Heat and Cool

q Heat Pump* without Backup Heat

q Heat Pump* with Backup Heat

q Heat Only

q Cool Only

Continue to step 12a to match your thermostat to your

system type.

*Heat Pump—an air conditioner that provides cooling in the

summer, and also runs in reverse in the winter to provide

heating.

This thermostat works on 24 volt or 750 mV systems. It will

NOT work on 120/240 Volt systems.

11 If your system type is...

10 Set Time and Date

Press s or t to set month, then press NEXT.

Press s or t to set day, then press NEXT.

Press s or t to set year, then press DONE.

Press s or t to set time, then press DONE to save and

exit.

Honeywell International Inc.

1985 Douglas Drive North

Golden Valley, MN 55422

http://yourhome.honeywell.com

® U.S. Registered Trademark.

© 2012 Honeywell International Inc.

69-2722—01 M.S. 05-12

Printed in U.S.A.

Automation and Control Solutions

MERCURY NOTICE: Do not place your old

thermostat in the trash if it contains mercury in a

sealed tube. Contact the Thermostat Recycling

Corporation at www.thermostat-recycle.org or 800-

238-8192 for information on how and where to

properly and safely dispose of your old thermostat.

CAUTION: To avoid possible compressor damage,

do not run air conditioner if the outside temperature

drops below 50°F (10°C).

This thermostat contains a Lithium battery which

may contain Perchlorate material.

Perchlorate Material—special handling may apply,

See www.dtsc.ca.gov/hazardouswaste/perchlorate

NOTE: Jumper wire used on old thermostat? If yes, note

what letters the jumper connected and review in wiring

section.

Month Year Day

or

or

69-2722-01

Quick Start Guide

Programmable Thermostat

RTH7400/RTH7500 Series

MCR33843

Done

10:10

If you are not sure of your system type or if you have

other questions, call us toll-free at 1-800-468-1502.

MCR33841

NextGo Back Done

20

0120

Alternate wiring (heat pump system only)

Leave metal jumper in place, connecting R & Rc terminals.

If your old thermostat had both V and VR wires, stop now and contact a

qualified contractor for help.

If your old thermostat had separate O and B wires, attach the B wire to

the C terminal. If another wire is attached to the C terminal, stop now

and contact a qualified contractor for help.

If your old thermostat had Y1, W1 and W2 wires, stop now and contact

a qualified contractor for help.

If L terminal is used, C terminal wire must be connected (contact a

contractor if there is no C wire).

If E and Aux terminals do not each have a wire connected, use a small

piece of wire to connect them to each other.

Use the Setup and Navigation steps in 12a to set Display Preferences.

Step 3

1 Press s t to change setting.

2 Press NEXT to advance to next function.

3 Press DONE to save & exit.

Alternate wiring (conventional systems)

Remove metal jumper connecting R and Rc only if

you must connect both R and Rc wires.

If your old thermostat had both R and RH wires,

remove metal jumper. Connect the R wire to the

Rc terminal, and the RH wire to the R terminal.

If your old thermostat had only 1 C or C1 wire,

connect it to the C terminal. If your old thermostat

had 2 C or C1 wires, wrap each separately with

electrical tape and do not connect them.

C

G

Y

W

RC

R

W2

Y2 Y2

W2

W

Y

G

MCR32160

R

2

Rc

2

C

3

Conventional system

Connect wires: Heat Pump

1. Match each labeled wire with same letter on new thermostat.

2. Use a screwdriver to loosen screws, insert wires into hole under

screw, then tighten screws until wire is secure.

3. If E and Aux do not each have a wire connected, use a small

piece of wire to connect them to each other.

4. Push any excess wire back into the wall opening.

Labels don’t match?

If labels do not match letters on thermostat, see Alternate wiring

(heat pump system only)

Heat pump

2

3

5

3 5

46

6

MCR32161

C

G

Y

O/B

RC

R

AUX

E

L

5

6

69 -27 22 — 01

Function Settings & Options

0300 Manual/Auto

Changeover

0 Manual changeover (Heat/Cool/Off).

1 Automatic changeover (Heat/Cool/Auto/Off). Automatically turns on Heat or Cool based on room

temperature. Note: System maintains minimum 3°F difference between heat and cool settings.

0320 Temperature Format

(°F/°C)

0 Fahrenheit

1 Celsius

0330 Daylight Saving Time

On/Off

0 Off: No adjustment for daylight saving time.

1 On: Auto-change to daylight saving time (for areas that do not use the new 2007 DST calendar).

2 On: Auto-change to daylight saving time (2007 and beyond, for areas that use the new 2007 DST calendar).

0500 Furnace Filter Change

Reminder

0 Off (no reminder)

1 Reminder in about 1 month

2 Reminder in about 3 months

3 Reminder in about 6 months

4 Reminder in about 9 months

5 Reminder in about 1 year

6 Reminder in about 3 years

0530 Smart

Response®

Technology

1 On

0 Off

0600 Maximum Heat

Temperature Limit

90°F (other options: 40-89°F [4-32°C])

0610 Minimum Cool

Temperature Limit

50°F (other options: 51-99°F [11-37°C])

0640 Clock Format 12 12-hour clock (i.e., “3:30 pm”)

24 24-hour clock (i.e., “15:30”)

12a System Setup 12b Preferences (optional) Wiring Notes

Step 1

Press and release the left button.

Step 2

Press and hold the center button until the screen

changes (approximately 5 seconds).

Customer assistance

For assistance with this product, please visit http://yourhome.honeywell.com

or call Honeywell Customer Care toll-free at 1-800-468-1502.

MCR33839

System & Fan Schedule Clock & More

72

6:30

Fri

System Cool Fan Auto

Set To

PM

72

MCR33840

System

FanDone

System

Heat Off Cool Fan Auto

MCR33552

Aux

E

L

C

G

Y

O/B

RC

R

HEAT PUMP

Y

G

R

Aux

O

HEAT PUMP

NOTE: Some functions may not appear due to

thermostat model or previous selections made.

Function Settings & Options

0120* Year Setting

(rst two digits)

20 = Year 20xx

21 = Year 21xx

0130* Year Setting

(second two

digits)

01 - 99 (i.e., 2001 - 2099)

0140* Month Setting 01 - 12 (i.e., January - December)

0150* Date Setting 01 - 31

0170 Select System

Type

1 Heat/cool: Gas, oil or electric heating with central air conditioning.

2 Heat pump: Heat pump without backup or auxiliary heat.

3 Heat only: Gas, oil or electric heat without central air conditioning.

4 Heat only with fan: Gas, oil or electric heat without central air conditioning.

5 Hot water heat only (no fan): Gas, oil or hot water heat without central air conditioning.

6 Cool only: Central air conditioning only.

7 Heat pump: Heat pump with backup or auxiliary heating.

8 Heat/Cool Multiple stages: 2 heat stages (wires on W and W2), 2 cooling stages (wires on Y and Y2).

9 Heat/Cool Multiple stages: 2 heat stages (wires on W and W2), 1 cooling stage (wire on Y).

10 Heat/Cool Multiple stages: 1 heat stage (wire on W), 2 cooling stages (wires on Y and Y2).

0180 Heating Fan

Control

0 Gas or oil heat: Use this setting if you have a gas or oil heating system (system controls fan operation).

1 Electric heat: Use this setting if you have an electric heating system (thermostat controls fan operation).

0190 Heat Pump

Changeover Valve

(for heat pumps

only)

0 Cooling changeover valve: Use this setting if you connected a wire labeled “O” to the O/B terminal (see

page 22).

1 Heating changeover valve: Use this setting if you connected a wire labeled “B” to the O/B terminal (see

page 23).

0240 Heating Cycle Rate 5 Gas or oil furnace: Standard gas/oil furnace (less than 90% efficiency).

9 Electric furnace: Electric heating systems.

3 Hot water or high-efficiency furnace: Hot water system or gas furnace (more than 90% efficiency).

1 Gas/oil steam or gravity system: Steam or gravity heat systems.

Settings 5, 9, 3, or 1 recommended. Other settings: 2, 4, 6, 7, 8, 10, 11, 12.

The number indicates how frequently the system cycles on and off to maintain the set temperature.

A higher number means the system is on and off for shorter amounts of time, a lower number means

longer on and off times. When these settings are set to match the system type, the thermostat controls

temperature more accurately.

0270 Emergency Heat

Cycle Rate (heat

pumps only)

* Functions set in Step 10.