Honeywell RTH8500 Series Bedienungsanleitung

User Guide

Read and save these

instructions.

For help please visit

yourhome.honeywell.com

RTH8500

Wi-Fi Series

Wi-Fi Touchscreen

Programmable

Thermostat

In the box you will find

• Thermostat

• Wallplate (attached to thermostat)

• Screws and anchors

• Coin cell battery (inside the back

of the thermostat)

• Quick Start Guide

• Thermostat ID Card

• Wire labels

• User Guide

This is a legacy product document

supported by Resideo. It is no

longer manufactured

33-00133ES—01 ii

Welcome

Congratulations on your purchase of a

Honeywell Wi-Fi touchscreen programmable

thermostat. When registered to Honeywell’s

Total Connect Comfort Solutions, you can

remotely monitor and control the heating and

cooling system in your home or business—you

can stay connected to your comfort system

wherever you go.

Honeywell’s Total Connect Comfort is the

perfect solution if you travel frequently, own

a vacation home, a business or manage an

Investment property or if you are simply looking

for peace of mind.

This thermostat works with common 24 volt systems such as forced air, hydronic,

heat pump, oil, gas, and electric. It will not work with millivolt systems, such as a gas

fireplace, or with 120/240 volt systems such as baseboard electric heat.

This thermostat contains a Lithium battery which may contain Perchlorate material.

Perchlorate Material—special handling may apply.

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

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 1-800-238-8192 for information on how and where to

properly and safely dispose of your old thermostat.

NOTICE: To avoid possible compressor damage, do not run air conditioner if the

outside temperature drops below 50°F (10°C).

Need help?

Visit wifithermostat.com or call 1-855-733-5465 for assistance before returning the

thermostat to the store.

1 33-00133ES—01

About your new thermostat

Home screen quick reference .....................2

Preset energy-saving schedules................. 2

Installation

Installing your thermostat............................ 3

Connecting to your Wi-Fi network............. 11

Registering your thermostat online ...........12

Operation

Setting the clock........................................14

Setting the fan........................................... 15

Selecting system mode............................. 15

Adjusting program schedules....................16

Overriding schedules temporarily .............16

Overriding schedules permanently ...........16

Setting vacation hold.................................17

Setting filter reminder intervals .................17

Cleaning the screen..................................18

Unregistering thermostat...........................18

Disconnecting Wi-Fi ..................................18

Special features ........................................19

Setting functions and options....................20

Appendices

Frequently asked questions ...................... 24

Message center messages.......................25

Troubleshooting......................................... 26

Limited warranty........................................27

Table of contents

Features of your Wi-Fi thermostat

With your new thermostat, you can:

• Connect to the Internet to monitor and control your heating/cooling system

• View and change your heating/cooling system settings

• View and set temperature and schedules

• Receive alerts via email and get automatic upgrades

Your new thermostat provides:

• Smart Response Technology

• Compressor protection

• Heat/cool auto changeover

33-00133ES—01 2

Home screen quick reference

Once your Wi-Fi thermostat is installed, it will display the home screen. Portions of this

display will change depending on how you are viewing it. To change settings, simply press

the appropriate area lightly with your finger.

Unless you change the lighting function, the screen is always lit at low intensity. When you

touch the screen, the screen brightens.

Set clock

Message center

Select fan mode

Select system mode

Program schedules

Override schedule

Wi-Fi status

Schedule is on (does not

display when off)

Additional settings

Lock screen for cleaning

M31565

Inside

Preset energy-saving schedules

This thermostat is pre-set with energy-saving program settings for four time periods.

Using the default settings can reduce your heating/cooling expenses if used as directed.

Savings may vary depending on geographic region and usage.

Default Heat Settings Default Cool Settings

WAKE

6:00 am 70 °78 °

LEAVE

8:00 am 62 °85 °

RETURN

6:00 pm 70 °78 °

SLEEP

10:00 pm 62 °82 °

To change the settings, see pages 16–17.

3 33-00133ES—01

Setting up your thermostat

Setting up your Wi-Fi programmable touchscreen thermostat is easy. It is preprogrammed

and ready to go as soon as it is installed and registered.

Install your thermostat.

Connect it to your home wireless network.

Before you begin, you may want to watch a brief installation video.

Use the QR Code®at the front of this guide, or go to

wifithermostat.com/support

Installing your thermostat

You might need the following tools to install this thermostat:

• No. 2 Phillips screwdriver

• Small pocket screwdriver

• Pencil

• Level (optional)

• Drill and bits (3/16” for drywall,

7/32” for plaster) (optional)

• Hammer (optional)

• Electrical tape (optional)

1 Switch OFF power to your

heating/cooling system.

Important! To protect your equipment,

switch OFF the power to your heating/

cooling system at the breaker box or

the system switch.

Circuit

breaker

box

Heating/cooling

system power

switch

33-00133ES—01 4

If you have an older thermostat with a

sealed mercury tube, turn to page ii

for proper disposal instructions.

Terminal

designation

Installing your thermostat

2 Remove old thermostat faceplate

and leave wires connected.

2a Take a picture of the wire

connections for later reference.

2b If no wire is connected to a

terminal labeled C or no C

terminal exists on the old

thermostat, view the Alternate

Wiring videos at

wifithermostat.com/videos

Important! C wire is required and

is the primary power source for

your thermostat. Without a C wire,

your thermostat will not power up.

3 Label wires.

Do not label by wire color. Use

the supplied sticky tags to label

each wire as you disconnect it.

Label wires according to the old

thermostat terminal designations,

not by wire color.

Note: If no tag matches a

terminal designation, write the

appropriate letter on a blank

sticky tag.

4 Remove wallplate.

Remove the old wallplate from

the wall after all wires have been

labeled and disconnected.

Blank tags

Sticky tag

Terminal

designation

5 33-00133ES—01

Installing your thermostat

5 Separate Wi-Fi thermostat and its

wallplate.

On your new thermostat, grasp the

finger holds on the top and bottom of

the wallplate with one hand and the

thermostat (front) with the other hand.

Pull pieces apart.

Thermostat

Wallplate (back view)

Finger holds

6 Mount wallplate for Wi-Fi thermostat.

Mount your new wallplate using

screws and anchors included with the

thermostat.

If necessary:

Drill 3/16-in holes for drywall.

Drill 7/32-in holes for plaster.

Note: You may be able to use your

existing wall anchors. Hold the wallplate

up to the existing anchors to check for

alignment.

M31543

O/B

HEAT PUMP

CONVENTIONAL

E/AUX

Wallplate

33-00133ES—01 6

Important! The Wi-Fi thermostat requires a C wire to operate. The C, or common, wire

brings 24 VAC power to the thermostat. Many older mechanical or battery operated

thermostats do not require a C wire. If you don’t have a C wire, try:

• Looking for an unused wire that is pushed into the wall. Connect that wire to C and

check that it is connected to the 24 VAC common at your heating/cooling system.

Check the video section at wifithermostat.com

Note: Not all heating/cooling systems label the 24 VAC common C. Check your system

manual or contact the manufacturer to find out which terminal is the 24 VAC common.

View the Alternate Wiring videos at wifithermostat.com/videos

Wiring

For conventional heating/cooling systems (natural gas, oil or electric furnace, air

conditioner), see page 6. See “Glossary” on page 27 for further definition.

For a heat pump system, see page 7. See “Glossary” on page 27 for further

definition.

Installing your thermostat

Wiring (conventional system)

7A Wire the Wi-Fi thermostat to your conventional system.

a Starting with the C Wire, match the sticky tag on the

wire to the terminal labels.

You must have a C wire. See page 6.

b Loosen screw, insert wire on inside edge of

terminal, then tighten screw.

c Verify wire is firmly secured by gently pulling

on wire.

d Repeat steps a–c for all other wires.

e Push any excess wire back into the wall

opening after all wires are installed.

f Continue to page 9.

Labels don’t match? See alternate

wiring key on page 7.

Note: The wiring for your

application might be different

than the wiring from above.

O/B

HEAT PUMP

CONVENTIONAL

E/AUX

Remove metal jumper

only if you have both

Rand RC wires

7 33-00133ES—01

Installing your thermostat

Wiring (heat pump system only)

7B Wire Wi-Fi thermostat to your heat pump.

a Starting with the C Wire, match the sticky tag on the wire to the terminal labels.

You must have a C wire. See page 6.

b Loosen screw, insert wire on inside edge of

terminal, then tighten screw.

c Verify wire is firmly secured by gently pulling

on wire.

d Repeat steps a–c for all other wires.

e Push any excess wire back into the wall

opening after all wires are installed.

f Continue to page 9.

Note: If old thermostat has separate wires on AUX and E,

place both wires into the E/AUX terminal. If old thermostat

has wire on AUX with a jumper to E, place wire on E/AUX

terminal. No jumper is required.

Labels don’t match? See alternate

wiring key on page 8.

Note: The wiring for your

application might be different

than the wiring from above.

MCR33529

O/B

HEAT PUMP

E/AUX

AUX

CONVENTIONAL

Metal J

umper

Alternate wiring (conventional system)

Use this if your wire labels don’t match the terminal labels.

Note: You must have

a C wire or equivalent.

See page 6.

Remove metal jumper connecting Rand RC only if you must connect both

Rand RC.

If your old thermostat had both Rand RH wires, remove metal jumper.

Connect the Rwire to the RC terminal, and the RH wire to the Rterminal.

Do not use Kterminal. For future use.

Alternate wiring key (conventional system)

33-00133ES—01 8

Installing your thermostat

Alternate wiring (heat pump system only)

Use this if your wire labels don’t match the terminal labels.

Note: You must have

a C wire or equivalent.

See page 6. RC

O/B

E/AUX

MCR33530A

HEAT PUMP

Metal Jumper

AUX

Alternate wiring key (heat pump system only)

Leave metal jumper between Rand RC terminals in place.

If your old thermostat had both Vand VR wires, check wifithermostat.com for help.

If your old thermostat had separate Oand Bwires, attach the Bwire to the Cterminal. If

another wire is attached to the Cterminal, check wifithermostat.com for help. Attach the Owire

to the O/B terminal. Set System Function 0190 to 0 (see page 22).

If your old thermostat had an Owire and not a Bwire, attach the Owire to the O/B terminal.

If your old thermostat had separate Y1, W1 and W2 wires, check wifithermostat.com for help.

This is the system monitor. If the monitor finds a problem, you will see a red light in the upper

right corner of the thermostat (shines through the cover).

If old thermostat has separate wires on AUX and E, place both wires into the E/AUX terminal. If

old thermostat has wire on AUX with a jumper to E, place wire on E/AUX terminal. No jumper is

required.

Do not use Kterminal. For future use.

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