Honeywell THM5421R1021 Installation Manual

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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

2 Wires for Power or Battery Only (no wires)

OR

RedLINK to TrueZONE Wireless Adapter

2 Wires for Power or Battery Only (no wires)

Reference to key features

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.

* Password is the date code.

Getting started

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

1 Installing the thermostat

2 Powering optional RedLINK accessories

3 Performing initial setup

4 Finding your password (Date Code)

To add or remove RedLINK accessories

To make changes to Installer Setup

To perform an Installer Test

2

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, MN55422

 

Conformité RoHs

 

Password

RoHs Compliant

 

 

 

Assembled in Mexico

 

(Date Code)

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,55422MN

 

 

 

1 Installing the thermostat

Thermostat

Button

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

view)

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.

K

S1

 

C

S1

Drill 7/32-in holes for plaster.

Wallplate

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

Thermostat (back view)

wire is required for RedLINK.

 

1.3b For 24VAC primary power,

CONVENTIONAL

 

connect common side of

 

transformer to C terminal.

 

HEAT PUMP

3

1.4Wire the thermostat.

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.

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.

1.6Mount thermostat on wallplate.

Align thermostat at bottom and snap into place as shown.

CONVENTIONAL

HEAT PUMP

CONVENTIONAL

HEAT PUMP

Coin

REMOVE DURING INSTALLATION

cell

battery

 

tab

 

Wallplate

Thermostat

4

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