Ademco THM5421R01 User Manual

System

69-2445EFS-01

Installation
Guide

PrestigeTM 2-wire IAQ and RF EIM

With wireless accessories

Control for up to 4 Heat/2 Cool heat pump systems or up to
3 Heat/2 Cool conventional systems.

Installation guide for:

• THX9000 Prestige IAQ

• Wireless remote control

• Equipment Interface Module

• Wireless Outdoor Air Sensor

DISCONNECT POWER BEFORE BEGINNING INSTALLATION. Can cause electrical shock or
equipment damage.

MERCURY NOTICE: If this product is replacing a control that contains mercury in a sealed tube,
do not place the old control in the trash. Contact your local waste management authority for
instructions regarding recycling and proper disposal.

Must be installed by a trained, experienced technician. Read these instructions carefully.
Failure to follow these instructions can damage the product or cause a hazardous condition.

® U.S. Registered Trademark.
Copyright © 2010 Honeywell International Inc.
All rights reserved.

Prestige TM Installation Guide

MCR32049

System installation at a glance

Thermostat

Remote

control

Installation procedure

1

Mount and wire thermostat ...................................................... Pages 3-7

2

Mount and wire EIM .................................................................. Pages 3-7

3

Connect thermostat to EIM ...................................................... Pages 3-7

4

Customize thermostat (installer setup) ........................................Pages 8

5

Install batteries in wireless accessories ........................................Page 8

6

Link accessories to thermostat .............................................. Pages 9-10

7

Mount outdoor sensor ..................................................................Page 11

To replace system components if needed, see page 14

HVAC equipment

If you have more than one thermostat: Optional accessories must be linked to each
thermostat separately.

DISCONNECT POWER BEFORE BEGINNING INSTALLATION. Can cause electrical
shock or equipment damage.

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2

Mount and wire thermostat

MCR29241

MCR32050

M32051

1

Install as shown below. Connect wires to the R and C terminals on the
thermostat.

The other ends of these wires should be connected to the Equipment
Interface Module R and C terminals or to a separate 24 volt transformer
(not provided).

Wall anchor

Drywall: 3/16" hole
Plaster: 7/32" hole

Mounting screw

Mount and wire Equipment Interface Module

2

Mount Equipment Interface Module
on wall near HVAC equipment, or
on the equipment itself.
Do not install inside HVAC equip­ment. Use screws & anchors as
appropriate for mounting surface.

3

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M32053

HEAT 1 RELAY

HEAT 2 RELAY

HEAT 3 RELAY

COOL 1 RELAY

COOL 2 RELAY

FAN RELAY

SENSORS

24V

POWER

IAQ

CONTROL

(24 VAC)

TO

THERMOSTAT

IAQ DEVICE

EQUIPMENT

SENSOR TYPE

THM5421R

CONV

M32054

M32052

Equipment Interface Module wiring

Strip 1/4” insulation, then insert wires as shown.

Wiring must comply with local
electrical codes.

Wiring guide

Typical hookup of conventional system with up to three-stage heat and two-stage cool with one
transformer (3H/2C, 2H/2C, 2H/1C, 1H/2C, 1H/1C, 1H, 2H, 3H, 1C, 2C conventional).

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4

Typical hookup of heat pump system with up to four-stage heat and two-stage cool with one

SENSORS

IAQ

CONTROL

(24 VAC)

TO

THERMOSTAT

IAQ DEVICE

EQUIPMENT

SENSOR TYPE

THM5421R

M32055

CHANGEOVER

AUX 1 (HEAT 3)

AUX 2 (HEAT 4)

COMP 1

COMP 2

FAN RELAY

24V

POWER

transformer (4H/2C, 3H/2C, 2H/2C, 2H/1C, 1H/1C heat pump systems).

5

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Prestige TM Installation Guide

POWERED

HUMIDIFIER

RC
RH
R
C

24 VAC

U3

U3
U2

U2
U1

U1

OR

M32056

1

FIELD­INSTALLED
JUMPER
BETWEEN
R AND U1

RC
RH
R
C

24 VAC

U3

U3
U2

U2
U1

U1

OR

NON-POWERED

HUMIDIFIER

M32057

1

FIELD­INSTALLED
JUMPER
BETWEEN
R AND U1

RC
RH
R
C

24 VAC

U3

U3
U2

U2
U1

U1

OR

NON-POWERED

VENTILATOR

M32059

1

M32061

FIELD INSTALLED
JUMPER BETWEEN
R AND DHM 1

1
2
3
C
R
RC
RH

24 VAC

U1

U1
U2

U2
U3

U3

OR

LOW SPEED

FAN

1

POWERED

VENTILATOR

RC
RH
R
C

24 VAC

U3

U3
U2

U2
U1

U1

OR

M32058

1

POWERED

DEHUMIDIFIER

RC
RH
R
C

24 VAC

U3

U3
U2

U2
U1

U1

OR

M32060

1

M28920

KEY

= NORMALLY OPEN, DRY CONTACTS

ANY COMBINATION OF UNIVERSAL
RELAYS (U1, U2, U3) CAN BE USED.

= NORMALLY CLOSED, DRY CONTACTS

1

Wiring guide—equipment

Any combination of Universal relays (U1, U2, U3) can be used.

With power supply Without power supply

Typical hookup of non-powered humidifier.Typical hookup of powered humidifier.

Typical hookup of powered ventilation.

Typical hookup of powered dehumidifier
(whole house dehumidifier).

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Typical hookup of non-powered ventilation.

Typical hookup of variable speed blower for
dehumidification in low speed.

6

Enroll the thermostat

MCR32063

Next

MCR32065

Done

M32064

CONNECT
BUTTON

3

Navigate through the installer
setup to the Wireless Setup
screen:

Press the connect button on
the Equipment Interface Module:

Press Next at thermostat. Display
will show "Device Connected' when
the thermostat and Equipment
Interface Module are connected.

7

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Prestige TM Installation Guide

MENU

HELP

HELP

M28799

M29863

M28800

MENU

M29862

MENU

Customize thermostat (installer options)

4

Press MENU.

Press t to scroll down, then press
INSTALLER OPTIONS. Enter security code
when prompted.

Security code is the thermostat date
code (printed on back of thermostat).
Or press MENU > EQUIPMENT STATUS to
find code.

Press CREATE SETUP to set all system
settings one by one.

Press VIEW/EDIT to select a specific
function and make quick changes. (See
complete list of system settings on pages
12-13.)

Press INSTALLER TEST to run system
tests. You should always test the sys-

Note: Press HELP for
more information on
these and other options.

tem after making changes to settings.

5

Install batteries in wireless accessories

Remote control (optional)

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Install 3 fresh AA
batteries

Outdoor air sensor (optional)

Install 2 fresh AA
lithium batteries

8

View Connected Devices

M28804

Add Device

M28803

M28802

Wireless Device

Manager

6

MENU

M28801

M29862

MENU

Link wireless accessories to thermostat (optional)

Press MENU.

Press t to scroll down, then press
INSTALLER OPTIONS. Enter security code
when prompted.

Security code is the thermostat date
code (printed on back of thermostat).
Or press MENU > EQUIPMENT STATUS to
find code.

Press t to scroll down, then press
WRELESS DEVICE MANAGER.

Press ADD DEVICE to start timer, then
press the Connect button on wireless
accessories to link them to the ther­mostat (see next page).

Timer will re-set to 15 minutes after each
accessory is linked. Thermostat will exit
link mode after 15 minutes if there is no
activity.

Press VIEW CONNECTED DEVICES to verify
that all wireless accessories have been
linked to the thermostat.

Press DONE when finished.

Note: If you are installing more than one thermostat, repeat steps above and on page 10 for
each thermostat.

If you are installing multiple thermostats, you must press DONE to exit “Add Device”
mode at each thermostat before linking wireless accessories to the next thermostat.

9

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Prestige TM Installation Guide

CONNECT

WIRELESS SETUP

M28481

NOYES

CONNECT MORE?

M28482

M28846

M28847A

Link remote control to thermostat (optional)

1 Make sure the thermostat displays

the “Add Device” timer screen (see
page 9).

2 Press CONNECT at the remote.

There will be a short delay as the
remote seeks a signal from the
thermostat.

3 When the screen displays

"Connected," press DONE.

Press to link to
another thermostat

Press to save
and exit

4 Press NO at the next screen to save

and exit. (Or press YES and repeat
steps 1-4 to link another thermostat.)

The linking procedure at the remote may
time out if there is no keypress within 30
minutes. To begin again, press and hold the
blank space (or arrow, if present) in the lower
right corner of the screen until the display
changes (about 3 seconds).

Link outdoor sensor to thermostat (optional)

Press and release

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1 Make sure the thermostat displays

the “Add Device” timer screen
(see page 9).

2 Press the CONNECT button on

the back of the sensor.

3 Check thermostat to verify that

the outdoor sensor is working.
After about 15 seconds, the
thermostat should display outdoor
temperature and humidity.

10

Install outdoor sensor (optional)

M28491

M28849A

7

Mount the sensor on a vertical exterior
wall, at least 6 inches below any over­hang. Choose a location protected from
direct sunlight.

Place sensor securely in bracket, facing
away from wall.

11

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Prestige TM Installation Guide

Installer setup tables

Setup functions (factory default setting listed, other options available)

100 Language English
110 Zone Number Not Zoned
112 Device name Thermostat
130 Date year 2011
140 Date month June
150 Date day 15
160 Schedule options Programmable
165 Restore Energy Saver Schedule No
172 System selection Conventional
173 Heat Pump Type Air To Air
174 Compressor stages 1
175 Series 20 Control No
176 Heat stages 1
180 Fan operation System (gas/oil/heat)
190 Reversing valve O/B on Cool
200 Backup heat Electric
210 External fossil fuel Yes
220 Compressor stage 1 cycle rate 3
230 Compressor stage 2 cycle rate 3
240 Heat stage 1 cycle rate (Aux) 5
250 Heat stage 2 cycle rate (Aux 2) 5
260 Heat stage 3 cycle rate 5
281 Display inactive backlight level 5 (color models only)
300 Changeover Manual
310 Deadband 2° F
320 Temperature display Fahrenheit
330 Daylight savings time Auto change: On
342 Outdoor temperature sensor? No
346 Dual-fuel upstage timer 60 minutes

347 Droop Temperature 2
349 Backup Heat Control Comfort

350 Compressor lockout (balance point) Off
360 Auxiliary lockout Off

365 Discharge Air Temperature Sensor No
371 Humidification equipment None
372 Indoor humidity control Off
374 Humidifier fan action Humidify only with fan
379 Dehumidification equipment None
383 Overcooling limit 3° F (1.5° C)
384 Dehumidification fan control Forces fan on
386 Whole house Dehumidification Lockout Off
390 Dehumidification away mode Off

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12

Installer setup tables

Setup functions (factory default setting listed, other options available)

391 Away mode fan operation Automatic
392 Away mode low temp. setting 76° F (24.5° C)
393 Away mode high temp. setting 85° F (29.5° C)
394 Away mode dehumidification 65% relative humidity
400 Ventilation Control Off
401 Number of Bedrooms 2
402 Total Sq. Ft. of Home 1000
403 Ventilation CFM 160
404 Max Ventilation Percentage Limit 50%
405 Ventilation Fan Action Ventilation Forces Fan On
406 Ventilation in High Humidity On
431 Ventilation Lockout High Temperature None
432 Ventilation Lockout Low Temperature None
433 Ventilation Lockout High Outdoor Humidity Off
434 Ventilation Lockout High 75° dewpoint

Outdoor Humidity Setting
450 A-Coil Low Temperature Cutoff None

500 Reminder: Furnace filter Off
502 Furnace filter runtime counter Count heat and cool
510 Reminder: Humidifier pad Off
520 Reminder: UV bulb Off
525 Installer Custom Reminders Add Customer Reminder
530 Adaptive Intelligent Recovery On
540 Number of schedule periods 4
580 Minimum compressor off time 5 minutes
600 Maximum heat range 90° F (32° C)
610 Minimum cool range 60° F (15.5° C)
640 Clock format 12-hour
650 Extended fan on time (heat) Off
660 Extended fan on time (cool) Off
670 Keypad lock Unlocked
680 Temp. control (heat) Standard
690 Temp. control (cool) Standard

695 Finish on High Heat Stage No
696 Finish on High Cool Stage No

700 Temperature display offset No offset
701 Humidity display offset No offset
710 RESTORE FACTORY DEFAULTS No: Advanced Options

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Installer setup tables

Customer contact information (optional, but recommended)

1100 Dealer name Your company name
1150 Dealer phone number Your telephone contact
1200 Dealer email address Your email address
1250 Dealer website Your web site
1300 Dealer Message Edit
1350 Configurable S1 Sensor Input None
1355 Configurable S2 Sensor Input None
1400 Configurable U1 Relay None
1405 Configurable U2 Relay None
1410 Configurable U3 Relay None
1500 Low Speed Fan Position Normally Closed

Note: All installer options, including Dealer name, contact information and message can
be set up as a file and downloaded via the USB port on the thermostat.

Replacing system components

Thermostat

After installing a new thermostat, you must re-link all accessories to the new
thermostat, as described below.

1 Install and wire new thermostat (see pages 3-7).
2 Customize new thermostat (see page 8).
3 Link wireless accessories (see pages 9-10).

At the remote control:

• Press and hold the blank space (or arrow if present) in the lower
right corner of the screen until the display changes (see page 10).

• Press REMOVE, then yES to disconnect from old thermostat.

• Follow the procedure on page 10 to link to new thermostat.

At the outdoor air sensor:

• Press the CONNECT button to link to the new thermostat (see page

10).

4 Press DONE at the thermostat.

Remote control & outdoor sensor

To replace a remote control or outdoor air sensor, install batteries and follow the
procedures on pages 9-10 to link it to the thermostat.

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14

Specifications & replacement parts

Operating Ambient Temperature

Thermostat: 32 to 120° F (0 to 48.9° C)
Remote control: 32 to 120° F (0 to 48.9° C)
Outdoor air sensor: -40 to 140° F (-40 to 60° C)
EIM: -40 to 165° F (-40 to 73.9° C)
Return air sensor: 0 to 200° F (-17.8 to 93.3° C)
Discharge air sensor: 0 to 200° F (-17.8 to 93.3° C)

Operating Relative Humidity

Thermostat: 5% to 90% (non-condensing)
Remote control: 5% to 90% (non-condensing)
Outdoor air sensor: 0% to 100% (condensing)
EIM: 5% to 95% (non-condensing)

Physical Dimensions (height, width, depth)

Thermostat: 3-9/16 x 5-13/16 x 1-1/2 inches (91 x 147 x 38 mm)
Outdoor air sensor: 5 x 3-1/2 x 1-11/16 inches (127 x 89 x 43 mm)
EIM: 9-5/16 x 4-13/16 x 1-19/32 inches (91 x 147 x 38 mm)

Electrical Ratings

Terminal Voltage (50/60 Hz) Max. Current Rating
W - O/B 18 to 30 VAC 1.00A
Y (cooling) 18 to 30 VAC 1.00A
G (fan) 18 to 30 VAC 0.60A
W2 - Aux 1 (heating) 18 to 30 VAC 0.60A
Y2 (cooling) 18 to 30 VAC 0.60A
W3 - Aux 2 18 to 30 VAC 1.00A
L (Output) 18 to 30 VAC 0.60A
U1 30 VAC max. 0.50A
U1 30 VAC max. 0.50A
U2 30 VAC max. 0.50A
U2 30 VAC max. 0.50A
U3 30 VAC max. 0.50A
U3 30 VAC max. 0.50A

Accessories & Replacement Parts

Item Part Number

Wireless adapter THM4000R1000
Remote control REM5000R1001
Outdoor air sensor C7089R1013
Cover plate (covers marks left by old thermostats) 50028399-001

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Regulatory information

FCC Compliance Statement (Part 15.19) (USA only)

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two
conditions:

1 This device may not cause harmful interference, and
2 This device must accept any interference received, including interference that may cause

undesired operation.

FCC Warning (Part 15.21) (USA only)

Changes or modifications not expressly approved by the party responsible for compliance could
void the user’s authority to operate the equipment.

FCC Interference Statement (Part 15.105 (b)) (USA only)

This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation. This equipment generates uses and can
radiate radio frequency energy and, if not installed and used in accordance with the instructions,
may cause harmful interference to radio communications. However, there is no guarantee that
interference will not occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by turning the equipment off
and on, the user is encouraged to try to correct the interference by one of the following measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and receiver.

• Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.

• Consult the dealer or an experienced radio/TV technician for help.

Thermostats and outdoor sensor

To comply with FCC and Industry Canada RF exposure limits for general population/ uncontrolled
exposure, the antenna(s) used for these transmitters must be installed to provide a separation
distance of at least 20 cm from all persons and must not be co-located or operating in conjunction
with any other antenna or transmitter.

Remote control

This portable transmitter with its antenna complies with FCC and Industry Canada RF exposure
limits for general population/uncontrolled exposure.

Section 7.1.5 of RSS-GEN

Operation is subject to the following two conditions:

1 this device may not cause interference, and
2 this device must accept any interference, including interference that may cause undesired

operation of the device.

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16