Honeywell THM5421R1021 Installation Manual

VisionPRO® Series with RedLINK

Installation Guide

TM

™

Wired Directly to Equipment

Dual Powered - C Wire or Battery (C wire or Wire Saver required to use RedLINK accessories)

OR

RedLINK to Equipment Interface Module

TM

2 Wires for Power or Battery Only (no wires)

OR

RedLINK to TrueZONE Wireless Adapter

TM

2 Wires for Power or Battery Only (no wires)

Residential/Résidentiel

1-800-468-1502

http://yourhome.honeywell.com

Commercial/Commer

1-888-245-1051

http://customer

Honeywell, Golden

TH8321R1001

Reference to key features

* Password is the date code.

Current display. Underlined label signifies the current display.

Mode control buttons. Use to change settings for Fan or System Heat/Cool.

Menu. Select options to: set schedules, view equipment status, change IAQ settings, access installer options*, etc.

Current status. Shows system mode (heat/cool), outdoor temperature and humidity (with optional outdoor sensor).

Current schedule. Shows desired temperature and schedule status.

Indoor conditions. Shows indoor temperature and humidity.

Current Time.

Alert Light. On when alert

message is active or system is set to Em Heat. Flashes for battery-only power; on continuous for 24 VAC.

microSD Card Port. Use card to load settings and dealer information.

Getting started

Follow these basic steps to install this thermostat, link it with the wireless accessories, and set installer options.

Installing the thermostat

1

Powering optional RedLINK accessories

2

Performing initial setup

3

Finding your password (Date Code)

4

• To add or remove RedLINK accessories

• To make changes to Installer Setup

• To perform an Installer Test

2

RoHs Compliant Conformité RoHs Assembled in Mexico Assemblé au Mexique

1324

1

ciale

Thermostat (back view)

RoHs Compliant Conformité RoHs Assembled in Mexico Assemblé au Mexique

1324

1

TH8321R1001

Residential/Résidentiel

1-800-468-1502

http://yourhome.honeywell.com

Commercial/Commerciale

1-888-245-1051

http://customer.honeywell.com

Honeywell, Golden Valley, MN 55422

Password (Date Code)

Valley, MN 55422

.honeywell.com

CONVENTIONAL

1

Installing the thermostat

NOTE: For best RedLINK

performance, mount thermostats at least 2 feet apart.

1.1 Separate wallplate from

thermostat.

Press button on top and pull to remove the wallplate.

1.2 Mount wallplate as shown. Mount new wallplate using screws and anchors included with the thermostat.

Drill 3/16-in holes for drywall. Drill 7/32-in holes for plaster.

Button

Wallplate

Thermostat

Wallplate (back view)

S1

C

K

C

R

U1

U2

S1

W

O/B

Y

G

AUX

W2

-E

Y2

Y2 L/A

A

1.3 Connect power.

1.3a Insert supplied AA alkaline

batteries for primary or backup power.

NOTE: When the thermostat is

NOT used with the Equipment Interface Module or the TrueZONE Wireless Adapter, a C wire is required for RedLINK.

1.3b For 24VAC primary power,

connect common side of transformer to C terminal.

3

Thermostat (back view)

C

K

RC

R

U1

U2

HEAT PUMP

S1

O/B

W

Y

G

AUX

W2

-E

Y2

A

L/A

1.4 Wire the thermostat.

REMOVE DURING

INSTALLATION

Is the thermostat wired directly to the equipment?

• If the thermostat is wired directly to the equipment:

a Refer to the table and wiring

diagrams on the next page.

b Turn on 24VAC NOW.

24VAC (C wire) is required to connect RedLINK accessories.

• If the thermostat is used with an Equipment Interface Module or TrueZONE Wireless Adapter, power the thermostat using Rc and C terminals or with batteries.

NOTE: The relay outputs and

inputs on the thermostat do not function when used with an Equipment Interface Module or TrueZONE Wireless Adapter.

C

K

RC

R

U1

U2

C

K

RC

R

U1

U2

CONVENTIONAL

HEAT PUMP

CONVENTIONAL

HEAT PUMP

S1

O/B

W

Y

G

AUX

W2

-E

Y2

A

L/A

S1

O/B

W

Y

G

AUX

W2

-E

Y2

A

L/A

1.5 Remove coin cell battery tab

1.5a Remove tab to activate coin cell battery.

NOTE: Coin cell battery saves

time and date during a power loss.

1.6 Mount thermostat on wallplate. Align thermostat at bottom and snap into place as shown.

4

Coin cell battery tab

Thermostat

INSTALLATION

REMOVE DURING

Wallplate