Honeywell Home DR90A3000/U Guide d'installation

DR90A3000 (1) or

DR120A3000 (1)

MERV 11 Filter (1)

Filter Door (2)

Installation Guide

Prestige™ IAQ Kit

VisionPRO™ Smart or VisionPRO RedLINK

H6062 HumidiPRO Digital Humidity Control

T10 or T10+ Pro Smart thermostat

Tools required to install DR90A3000/DR120A3000

Dehumidiﬁer

3/8” hex drive

Drill or duct cutting tool

Wire stripper/cutter

Scissors or utility knife

Standard screwdriver

T25 Torx screwdriver

Duct tape

10” round duct and starter collar

3/4” male NPT to drain line adaptor (1/2” Dia.

recommended)

1/2” diameter drain line (8’)

1/2” drain clamps (2)

Options

1/2” drain p-trap (may be required by local code)

Drain pan

Float switch or water sensor

A1

D

C

A2

B

E2

E3

E4

E1

(or)

33-00298EFS-15

PROFESSIONAL INSTALLATION GUIDE

GUIDE D’INSTALLATION PROFESSIONNELLE

GUÍA DE INSTALACIÓN PROFESIONAL

DR90A3000/DR120A3000

INCLUDED IN THIS BOX

D

A1A2

CB

OPTIONAL CONTROLS SOLD SEPARATELY

E

DR90A3000 (1) or

DR120A3000 (1)

MERV 11 Filter (1)

Filter Door (2)

Installation Guide

Prestige™ IAQ Kit

VisionPRO™ Smart or VisionPRO RedLINK

H6062 HumidiPRO Digital Humidity Control

T10 or T10+ Pro Smart thermostat

Tools required to install DR90A3000/DR120A3000

Dehumidiﬁer

3/8” hex drive

Drill or duct cutting tool

Wire stripper/cutter

Scissors or utility knife

Standard screwdriver

T25 Torx screwdriver

Duct tape

10” round duct and starter collar

3/4” male NPT to drain line adaptor (1/2” Dia.

recommended)

1/2” diameter drain line (8’)

1/2” drain clamps (2)

Options

1/2” drain p-trap (may be required by local code)

Drain pan

Float switch or water sensor

A1

D

C

A2

B

E2

E3

E4

E1

(or)

PROFESSIONAL INSTALLATION GUIDE

GUIDE D’INSTALLATION PROFESSIONNELLE

GUÍA DE INSTALACIÓN PROFESIONA L

DR90A3000/DR120A3000

INCLUDED IN THIS BOX

D

A1A2

CB

OPTIONAL CONTROLS SOLD SEPARATELY

E

33-00298EFS-13

DR90A3000 (1) or

DR120A3000 (1)

MERV 11 Filter (1)

Filter Door (2)

Installation Guide

Prestige IAQ Kit

H8908 Manual Dehumidistat

VisionPRO™ Smart or VisionPRO™ RedLINK

H6062 HumidiPRO Digital Humidity Control

T10 Pro Smart

Tools required to install DR90A3000/DR120A3000

Dehumidiﬁer

3/8” hex drive

Drill or duct cutting tool

Wire stripper/cutter

Scissors or utility knife

Standard screwdriver

T25 Torx screwdriver

Duct tape

10” round duct and starter collar

3/4” male NPT to drain line adaptor (1/2” Dia.

recommended)

1/2” diameter drain line (8’)

1/2” drain clamps (2)

Options

1/2” drain p-trap (may be required by local code)

Drain pan

Float switch or water sensor

A1

D

C

A2

B

E2

E3

E4

E5

E1

(or)

PROFESSIONAL INSTALLATION GUIDE

GUIDE D’INSTALLATION PROFESSIONNELLE

GUÍA DE INSTALACIÓN PROFESIONAL

DR90A3000/DR120A3000

INCLUDED IN THIS BOX

D

A1A2

CB

OPTIONAL CONTROLS SOLD SEPARATELY

E

33-00298EFS-11

DR90A3000 (1) or

DR120A3000 (1)

MERV 11 Filter (1)

Filter Door (2)

Installation Guide

Prestige IAQ Kit

DG115 IAQ Control

H8908 Manual Dehumidistat

VisionPRO™ Smart or VisionPRO™ RedLINK

H6062 HumidiPRO Digital Humidity Control

T10 Pro Smart

Tools required to install DR90A3000/DR120A3000

Dehumidiﬁer

3/8” hex drive

Drill or duct cutting tool

Wire stripper/cutter

Scissors or utility knife

Standard screwdriver

T25 Torx screwdriver

Duct tape

10” round duct and starter collar

3/4” male NPT to drain line adaptor (1/2” Dia.

recommended)

1/2” diameter drain line (8’)

1/2” drain clamps (2)

Options

1/2” drain p-trap (may be required by local code)

Drain pan

Float switch or water sensor

A

D

C

A

B

E

(or)

PROFESSIONAL INSTALLATION GUIDE

GUIDE D’INSTALLATION PROFESSIONNELLE

GUÍA DE INSTALACIÓN PROFESIONAL

DR90A3000/DR120A3000

INCLUDED IN THIS BOX

D

AA

CB

OPTIONAL CONTROLS SOLD SEPARATELY

E

EEEEE E

E2E3E1E4E5

E2E3E1E4

Liste de vériﬁcation

pour l’installation

Inclus dans cette boîte

A1 Unité DR90A3000 (1) ou

A2 Unité DR120A3000 (1)

B Filtre MERV 11 (1)

C Trappe du ﬁltre (2)

D Guide d’installation

Options de régulateurs (vendus séparément)

E1 Nécessaire Prestige IAQ

E2 VisionPRO™ Smart ou VisionPRO™ RedLINK

E3 Régulateur d’humidité numérique

HumidiPRO H6062

E4 Thermostat intelligent T10 ou T10+ Pro

Outils requis (non fournis)

• Tournevis cruciforme 3/8 po

• Outil de perçage ou de coupe de conduit

• Dénudeur/coupe-fils

• Ciseaux ou couteau à lame rétractable

• Tournevis normal

• Tournevis Torx T25

• Ruban adhésif

• Collet de conduit et de départ rond de

10 po (25,4 cm)

• Fil de thermostat 5 bandes calibre 18

22

• Tuyau de vidange de 1/2 po de dia. (8

pieds [2,4 m])

• Attaches de tuyau de vidange de 1/2 po

[1,3 cm] (2)

• Adaptateur mâle 3/4 po NPT vers

conduite de vidange (diamètre de 1/2 po

recommandé)

Options

• SiphonP de vidange d’1/2 po [1,3 cm]

(peut-être requis par le code local)

• Bac de récupération

• Flotteur ou capteur d’eau

REMARQUE : Si l’appareil est installé

dans un endroit où des dégâts d’eau

peuvent se produire en cas d’obstruction

de la conduite de vidange, un interrupteur

à ﬂotteur ou un bac de vidange est

nécessaire.

Lista de verificación para la

instalación

Esta caja incluye

A1 DR90A3000 (1) o

A2 DR120A3000 (1)

B Filtro MERV 11 (1)

C Puerta del filtro (2)

D Guía de instalación

Opciones de control (se venden por separado)

E1 Kit Prestige IAQ

E2 VisionPRO™ Smart o VisionPRO™ RedLINK

E3 Control de humedad digital HumidiPRO H6062

E4 Termostato inteligente T10 o T10+ Pro

Herramientas necesarias (no se suministran)

• Dado Exagonal de 3/8” (9.5mm)

• Taladro o herramienta cortante

para ductos

• Alicates o cortadores de cables

• Tijera o navaja

• Destornillador estándar

• Destornillador Torx T25

• Cinta para Ductos

• Ducto redondo de 10” (25.4 cms) y collar de

ajuste

• Cable de termostato calibre

18 a 22, de 5 conductores

• Línea de desagüe de 1/2 pulgada

(12,7 mm) de diámetro (8 pies [2,4 m])

• Abrazaderas de desagüe de 1/2 pulgada [12,7

mm] (2)

• NPT macho de 3/4 pulgada (19,1 mm) para

drenar el adaptador de tubería (se recomienda

un diámetro de 1/2 pulgada [12,7 mm])

Opciones

• Trampa en P para desagüe de 1/2 pulgada [12,7

mm] (es posible que el código local la exija)

• Bandeja para drenaje

• Interruptor del ﬂotador o sensor de agua

NOTA: Se requiere un interruptor de ﬂotador

o una bandeja de drenaje en caso de que se

instale en un lugar en el que el agua pueda

causar daños si la línea de drenaje se obstruye.

Installation Checklist

Included in This Box

A1 DR90A3000 (1) or

A2 DR120A3000 (1)

B MERV 11 Filter (1)

C Filter Door (2)

D Installation Guide

Control Options (Sold separately)

E1 Prestige IAQ Kit

E2 VisionPRO™ Smart or VisionPRO™ RedLINK

E3 H6062 HumidiPRO Digital Humidity

Control

E4 T10 or T10+ Pro Smart thermostat

Tools Required (Not Supplied)

• 3/8” hex drive

• Drill or duct cutting tool

• Wire stripper/cutter

• Scissors or utility knife

• Standard screwdriver

• T25 Torx screwdriver

• Duct tape

• 10” round duct and starter collar

• 1822 gauge, 5 band thermostat wire

• 1/2” diameter drain line (8’)

• 1/2” drain clamps (2)

• 3/4” male NPT to drain line adaptor (1/2”

Dia. recommended)

Options

• 1/2” drain p-trap (may be required by

local code)

• Drain pan

• Float switch or water sensor

NOTE: Float switch or drain pan required

if installed in location where water

damage can occur if drain line gets

clogged.

Warning: Installation must be performed

by a qualiﬁed service technician and must

comply with local codes.

Remove power to the device before

installing or servicing the device.

Failure to connect the device according to

these instructions may result in damage

to the device or the controls.

INSTALLATION INSTRUCTIONS

BEGIN ON PAGE 6

Avertissement : L’installation doit être

effectuée par un technicien d’entretien

qualiﬁé et conformément aux codes locaux

en vigueur.

Couper l’alimentation vers l’appareil avant

d’installer ou de réparer cet appareil.

Un raccordement de cet appareil non

conforme à ces instructions peut entraîner

des dommages à l’appareil ou aux

commandes.

INSTRUCTIONS D’INSTALLATION

COMMENCENT À LA PAGE 6

Advertencia: La instalación la debe realizar

un técnico de reparación calificado y debe

cumplir con los códigos locales.

Retire la fuente de energía del dispositivo antes de

instalar o reparar el dispositivo.

Si no conecta el dispositivo según estas

instrucciones, el dispositivo o los controles se

pueden dañar.

LAS INSTRUCCIONES DE INSTALACIÓN

COMIENZAN EN LA PÁGINA 6

DR90A3000/DR120A3000

NEED HELP? For assistance with this product please visit http://customer.resideo.com

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

Read and save these instructions.

?

DR90A3000/DR120A3000 Dehumidiﬁcation System 3300298EFS15 1

ABOUT YOUR DEHUMIDIFIER

About the DR90A3000/DR120A3000 .............2

Control Options ....................................3

DR90 Speciﬁcations ...............................4

DR120 Speciﬁcations ..............................5

INSTALLATION

Install to Fit Your Application .......................6

Install to Fit Your Application (continued) ..........7

Plumbing ..........................................7

Terminal Description ...............................8

Wiring ...........................................8

Checkout .........................................11

MAINTENANCE

Cleaning ..........................................11

Technical Description .............................12

Troubleshooting ..................................12

DR90/DR120 Parts List ...........................14

5Year Limited Warranty ..........................16

• The DR90A3000/DR120A3000 is designed to be installed indoors in a space that is protected from rain

and flooding.

• Install the unit with space to access the front panel for maintenance and service.

• Avoid directing the discharge air at people, or over the water in pool areas.

• If used near a pool or spa, be certain there is no chance the unit could fall into the water or be splashed,

and that it is plugged into a ground fault interrupt (GFI) outlet.

• To ensure quiet operation, do not place the device directly on the structural supports of the home.

• A drain pan must be placed under the unit if installed above a living area or above an area where

water leakage could cause damage.

• DR90/DR120 should be installed on a stationary base or sitting on the floor. It should not be

mounted above other HVAC components such as the A-coil.

1. Never operate a unit with a damaged power cord. If the power cord is damaged it must be

replaced by the manufacturer, its service agent, or similarly qualified person in order to

avoid a hazard.

2. The appliance is not intended for use by persons (including children) with reduced

physical, sensory, or mental capabilities, or lack of experience and knowledge, unless they

have been given supervision or instruction concerning use of the appliance by a person

responsible for their safety. Children should be supervised to ensure that they do not play

with the appliance.

!

About the DR90A3000/DR120A3000 Dehumidiﬁer

The DR90A3000/DR120A3000 ensures the home is maintained at proper humidity levels through its high

performance and efficiency.

When indoor humidity exceeds 60%,

the home is more susceptible to mold

and mildew growth. DR90A3000/

DR120A3000 safeguards against

excessive humidity in the home year-

round.

*American Society of Heating, Refrigerating

and Air Conditioning Engineers (ASHRAE).

MCR24780

010203040506070809

0100

OPTIMUM

ZONE

BACTERIA

VIRUSES

FUNGI

MITES

RESPIRATORY

INFECTIONS

ALLERGIC RHINITIS

AND ASTHMA

CHEMICAL

INTERACTIONS

OZONE

PRODUCTION

ASHRAE RECOMMENDED WINTER DESIGN LEVEL

Benefits

• Removes up to 90 (DR90) or 120 (DR120) pints of water

per day from the indoor air

• Built-in fresh air supply

• Energy Star Rated

• Built-in transformer and fuse

Maintaining Ideal Humidity

Dew points and relative humidity (RH) affect the way your

body senses heat. Higher humidity levels cause the air

to feel much hotter than the actual temperature. When

maintained properly, your cooling equipment may not run as

much because dehumidified air feels cooler.

Ideal humidity is defined by industry experts* as being

between 4060% on an average annual basis.

Capacity:

47 pints/day (60 ºF [15.6 ºC], 60 %RH)

65 pints/day (70 ºF [21.1 ºC], 60 %RH)

90 pints/day (80 ºF [26.7 ºC], 60 %RH)

MCR36852

DR120

DR90

DR90A3000/DR120A3000 Dehumidiﬁcation System 33-00298EFS—15

2

Control Options

The DR90A3000/DR120A3000 may be used with one of the following external controls:

HumidiPRO Digital Control (H6062A1000)

• Manual dehumidification control

• Dehumidifier compressor protection

• RH% and outdoor temperature calibration

• Adjustable high and low range stops (1090%)

Automatic Ventilation Controls

• Automatic W8150 ventilation control to ASHRAE standard, or for

continuous operation.

Note: A separate dehumidity control is required with W8150.

T10 or T10+ Pro Smart Thermostat (T10 models begin with

THX321WF. T10+ kits begin with YTHM1004R)

• Controls heating/cooling and dehumidification.

• Advanced dehumidifier setting options to run system fan with

dehumidifier or lock out dehumidifier if cooling is running.

Prestige IAQ Thermostat Kit

Prestige kit models numbers start with YTHX9421R

• Controls both heating/cooling and dehumidification.

• Wireless sensor for displaying outdoor temperature and humidity.

• Maintenance and service reminders.

• High definition color display.

• RedLINK® Wireless technology

VisionPRO Smart or VisionPRO RedLINK® Thermostat

• WiFi (TH8321WF1001) or RedLINK Wireless technology (TH8321R1001)

• Controls heating/cooling and ventilation.

• Display outdoor temperature and humidity.

• Advanced dehumidifier setting options to run system fan with

dehumidifier or lock out dehumidifier if cooling is running.

• Optional ventilation lockouts for high/low temp or humidity conditions.

C7089R1013 wireless outdoor sensor for RedLINK model. Internet

weather for Smart model.

DR90A3000/DR120A3000 Dehumidiﬁcation System 33-00298EFS—15 3

DR90 Speciﬁcations

Install DR90A3000 according to National Electric Codes.

Dimensions in inches and (mm):

Product weight: 86 lbs.

Shipping weight: 95 lbs.

Shipping dimensions: 25.2” H × 19.3” W × 35.8” L

Media Filter: MERV 11, 14” H × 17.5” W × 1.75” L

Drain connection: 3/4” threaded female NPT connection.

Duct connections: 10” round inlet and outlet. 6” supply inlet.

ABS plastic, compatible for connection to rigid or flexible

ducting with sheet metal screws and/or tape.

Cabinet: 20 ga

Insulation: R value 1

Compressor: Rotary, 7.3 KBTU

Refrigerant: R410A, 25 oz

Operating Temp Range (outside cabinet):

34ºF to 135ºF (1.1ºC to 57.2ºC)

Operating Humidity Range: 099% RH

Input ratings

• Electrical input voltage: 120 VAC,

60 Hz nominal

• Input current: 5.3 A

Output ratings

• Power transformer to R/C

terminals: 24 VAC, 0.85 A

• Energy Performance: 2.9 liters

(6.1 pints) per kilowatt hour (KWH)

Standards and approval body

requirements

• ETL Listed per UL 474 and

CSA C22.2 No 92

• ENERGY STAR rated.

DryBulb Temp Intake Humidity Capacity (Pints/Day)

80°F (26.7°C) 60% RH 90

70°F (21.1°C) 60% RH 65

60°F (15.6°C) 60% RH 47

Home Size

(square ft [m]) Dehumidifier Capacity Required to Maintain Desired Indoor RH*

60% RH Indoor

(pints/day) 50% RH Indoor

(pints/day) 40% RH Indoor

(pints/day)

2080 (193.2) 4954 5558 7178

2600 (241.5) 6168 6572 9097

3120 (289.9) 7582 7986 95110

* Based on extreme climates where outdoor humidity is 7090% RH. For less extreme climates, larger

homes can be adequately served with less capacity. Actual requirements may vary.

Airflow versus external static

pressure (01 in. [0 - 25.4 mm] water

pressure) with collars attached

0 in. (0 mm) 320 CFM

0.2 in. (5 mm) 280 CFM

0.4 in. (10 mm) 260 CFM

0.6 in. (15.2 mm) 215 CFM

3-1/8

(79)

25-7/8 (657)

3-1/8

(79)

19-7/8

(505)

14-3/4 (375)

M38506

DR90A3000/DR120A3000 Dehumidiﬁcation System 33-00298EFS—15

4

DR120 Speciﬁcations

Install DR120A3000 according to National Electric Codes.

Dimensions in inches and (mm):

Product weight: 95 lbs.

Shipping weight: 104 lbs.

Shipping dimensions: 26” H × 19.3” W × 35.8” L

Media Filter: MERV 11, 14” H ×17.5” W ×1.75” L

Drain connection: 3/4” threaded female NPT connection.

Duct connections: 10” round inlet and outlet. 6” supply inlet.

ABS plastic, compatible for connection to rigid or flexible

ducting with sheet metal screws and/or tape.

Cabinet: 20 ga

Insulation: R value 1

Compressor: Rotary, 9.4 KBTU

Refrigerant: R410A, 30 oz

Operating Temp Range (outside cabinet):

34ºF to 135ºF (1.1ºC to 57.2ºC)

Operating Humidity Range: 099% RH

Input ratings

• Electrical input voltage: 120 VAC,

60 Hz nominal

• Input current: 7.3 A

Output ratings

• Power transformer to R/C

terminals: 24 VAC, 0.85 A

• Energy Performance: 2.9 liters

(6.1 pints) per kilowatt hour (KWH)

Standards and approval body

requirements

• ETL Listed per UL 474 and

CSA C22.2 No 92

• ENERGY STAR rated.

DryBulb Temp Intake Humidity Capacity (Pints/Day)

80°F (26.7°C) 60% RH 120

70°F (21.1°C) 60% RH 88

60°F (15.6°C) 60% RH 63

Home Size

(square ft [m]) Dehumidifier Capacity Required to Maintain Desired Indoor RH*

60% RH Indoor

(pints/day) 50% RH Indoor

(pints/day) 40% RH Indoor

(pints/day)

2080 (193.2) 4954 5558 7178

2600 (241.5) 6168 6572 9097

3120 (289.9) 7582 7986 95110

* Based on extreme climates where outdoor humidity is 7090% RH. For less extreme climates, larger

homes can be adequately served with less capacity. Actual requirements may vary.

Airflow versus external static pressure

(01 in. [0 - 25.4 mm] water pressure)

with collars attached

0 in. (0 mm) 400 CFM

0.2 in. (5 mm) 345 CFM

0.4 in. (10 mm) 295 CFM

0.6 in. (15.2 mm) 250 CFM

3-1/8

(79)

25-7/8 (657)

3-1/8

(79)

20-1/2

(521)

14-3/4 (375)

M38505

DR90A3000/DR120A3000 Dehumidiﬁcation System 33-00298EFS—15 5

Install to Fit Your Application

Ideal when…

• The dehumidifier will not be ducted to a

forced air HVAC system.

B

MCR36852

DR120

DR90

DR90A3000/DR120A3000 Dehumidiﬁcation System 33-00298EFS—15

6

Flex duct is recommended in connecting to the DR90A3000/DR120A3000 collars to reduce vibration noise.

M24745

Electrical requirements:

120 VAC outlet. Ground fault interrupter (GFI) recommended.

NOTE: If voltage is below 102 VAC or above 132, dehumidiﬁer

may be locked out.

Duct Sizing: Use minimum 10” diameter round for

duct lengths up to 25’ Minimum 12” required for

lengths longer than 25’ Duct branches from the main

inlet/exhaust should be minimum 10” round for 23

branches, and 12” round or larger for 4 branches or

more.

For the optional fresh air ventilator port, use 6” round,

insulated duct for lengths up to 50’

Use 8” round duct for more than 50’ of if more than

100 CFM is required.

Isolated Areas: Effective dehumidification may

require ducting to isolated or stagnant air flow areas.

Dedicated Return to Dedicated Supply

Main Return to Main Return

Ideal when…

• Running DR90A3000/DR120A3000

with A/C operation.

• Minimizing discharge air temperature

(DAT) increase is preferred.

• Access to a dedicated return is not

possible.

A

SUPPLY

RETURN

AIR HANDLER

M36845

DEHUMIDIFIER

M36846

SEPARATE

RETURN

SUPPLY

Attach 3/4" male NPT PCV drain

nozzle (use teflon tape if need-

ed). Do not over-tighten.

Connect 1/2” drain tube to male

connection drain outlet. Secure

drain tube to connector with

hose clamp.

Run drain hose continuously

downhill to an approved drain or

condensate pump.

The drain line must include a

water trap to prevent air from

entering or exiting the dehu-

midifier.

NOTE: It is important that the

DR90/DR120 is leveled for drain

line to work properly.

Plumbing

Install to Fit Your Application (continued)

IMPORTANT: LOOP

DRAIN HOSE BELOW

DEHUMIDIFIER

TO PROVIDE TRAP

DR90 OR DR120

M38988

DR90A3000/DR120A3000 Dehumidiﬁcation System 33-00298EFS—15 7

Terminal Description

NOTE: The outer screws on the terminal block

secure the block to the chassis. They are not used

for wiring.

A wiring terminal block is located on the side panel

of the dehumidifier unit.

The six terminals for the terminal block (reading

from left to right in the photo) are:

FLOAT: External low voltage float switch or

water sensor (two terminals). Use

normally closed switch.

DHUM: Compressor and fan operation for

dehumidification

R: 24V HOT output

FAN: Fan activation only for ventilation

C: 24V Common output

External 24V devices can be powered from R and C

terminals (20VA max.).

Wiring

Wire the DR90A3000/DR120A3000 according to the diagram that applies to your

desired operation.

DR90A3000/DR120A3000 Dehumidiﬁcation System 33-00298EFS—15

8

Follow this diagram if using

the Prestige thermostat. DEHUMIDIFIER

DHUM

+

RFANC

FLOAT

IN THIS DIAGRAM, U1 CONTROLS THE DR90/DR120 FOR DEHUM AND

U2 CONTROLS THE DR90/DR120 FOR VENTILATION.

INSTALL A JUMPER ON EIM AS SHOWN ONLY WHEN USING THE

DR90/DR120 FOR VENTILATION IN ADDITION TO DEHUMIDIFICATION.

IF A FLOAT SWITCH IS NOT USED, THEN JUMPER THE FLOAT TERMINALS

.

1

2

12

3

EIM

U3

U2

U1

M38418B

CAUTION: Low voltage hazard.

Can cause equipment damage.

Disconnect HVAC equipment before beginning installation.

Wiring (continued)

DR90A3000/DR120A3000 Dehumidiﬁcation System 33-00298EFS—15 9

FOLLOW THIS DIAGRAM

FOR DUCTED OPERATION

WITH AN EXTERNAL

HUMIDITY CONTROL.

FOLLOW THIS DIAGRAM

IF USING THE HUMIDIPRO

DIGITAL HUMIDITY

CONTROLLER NOT

CONNECTED TO HVAC

DUCTING.

MECHANICAL

DEHUMIDISTAT

THERMOSTAT

GYWRRc

GYWR C

M36854C

DRY

CONTACTS

DPDT RELAY,

2.6A

DHUM

+

RFANC

FLOAT

DEHUMIDIFIER

IF A FLOAT SWITCH IS NOT USED, THEN JUMPER THE FLOAT TERMINALS.

1

HVAC

IF A FLOAT SWITCH IS NOT USED, THEN JUMPER THE FLOAT TERMINALS.

1

HVAC

MECHANICAL

DEHUMIDISTAT

THERMOSTAT

GY

W

RRc

GYWR C

M36855B

DRY

CONTACTS

DPDT

RELAY,

2.6A

EARD6TZ

AT120

R

C

DAMPER

AUX

REMOTE

W8150A

G

R

C

W

G

DHUM

+

RFANC

FLOAT

M37492B

C

R

U

S

24 VAC

(CONSTANT)

RFLOAT

DHUM

FANC

IF A FLOAT SWITCH IS NOT USED, THEN JUMPER

THE FLOAT TERMINALS.

1

FOLLOW THIS

DIAGRAM FOR DUCTED

OPERATION WITH

EXTERNAL HUMIDITY

AND VENTILATION

CONTROL.

Wiring (continued)

DR90A3000/DR120A3000 Dehumidiﬁcation System 33-00298EFS—15

10

FOLLOW THIS

DIAGRAM IF USING THE

HUMIDIPRO DIGITAL

HUMIDITY CONTROLLER

WHEN DR90/DR120 IS

CONNECTED TO HVAC

DUCTING.

THERMOSTAT

GYWRRc

GYWR C

M39280

DPDT RELAY,

2.6A

DHUM

+

RFANC

FLOAT

DEHUMIDIFIER

IF A FLOAT SWITCH IS NOT USED, THEN JUMPER THE FLOAT TERMINALS.

1

HVAC

C

R

U

S

24 VAC

(CONSTANT)

Cleaning

Apply power to DR90A3000/DR120A3000. Turn the humidity control to a low RH% level to initiate a

dehumidification call. Confirm that the DR90A3000/DR120A3000 compressor and fan turn on. If the RF

and GF on the DR90A3000/DR120A3000 is wired to the furnace, the furnace fan should also run. This will

take up to two minutes. Be sure to turn the control to the desired RH% or to Off when checkout is complete.

If using for ventilation, initiate a call for ventilation. Confirm that the DR90A3000/DR120A3000 fan turned

on, but that the compressor remained off.

NOTE: Starting with revision 2 models (a sideways 2 after the model number on the sticker), the

dehumidifier may enter a 25 minute delay to protect the compressor from short cycling.

Checkout

DR90A3000/DR120A3000 Dehumidiﬁcation System 33-00298EFS—15 11

On an annual basis, perform the following maintenance requirement to ensure the dehumidifier runs at peak

efficiency.

Unplug

DR90A3000/

DR120A3000

before beginning

service. Remove

the magnetic

filter door.

Remove filter

and replace

with new filter.

When service is complete, initiate a

call for dehumidification and check

that the compressor and fan activate.

If your thermostat has maintenance

reminders, reset those.

Check the drain connection and drain

line to ensure it is clear of debris and

sludge. Ensure all hose connections

are secure once maintenance of the

drain lines is complete.

1 2

34

Troubleshooting videos are available on the Resideo Pro YouTube channel playlist.

Problem Troubleshooting Steps/Possible Causes of Issue

Neither the

dehumidifier fan

nor compressor

run when

the control

is calling for

dehumidification.

1. Verify the drain line is not clogged. An internal float switch can lock out the

dehumidifier if the drain line gets clogged.

2. Wait 5 minutes from the time you made the call for dehumidity. Series 2 versions

of the DR90 and DR120 have a 25 minute compressor protection delay. If the

control is digital, it may also have a delay. These delays will overlap, so if the

humidity control has been calling for over 5 minutes and power has not cycled, the

dehumidifier should run.

3. If it does not run after the delay, install a jumper between the R and DHUM

terminals on the dehumidifier. This bypasses the control circuit. If the unit runs,

the issue was with the control or wires to the control.

4. If the unit still does not run within 5 minutes of installing a jumper from R to

DEHUM, verify voltage to the outlet that the dehumidifier is plugged into. This

should be 120 VAC nominal and if it drops below 102 VAC or above 132 VAC, the

dehumidifier will not run.

The dehumidifier

fan runs but the

compressor does

not when the con-

trol is calling for

dehumidification.

If there is a wire to “FAN” on the dehumidifier, remove that wire and see if the dehu-

midifier fan continues to run. If the fan shuts off, then whatever is controlling the

fan was calling for ventilation. That doesn’t mean a control is calling for dehumidity.

Follow the steps from the first issue for further testing.

If there is no wire to the “FAN” terminal and the dehumidifier FAN is running but the

compressor is not, the dehumidifier may be running in defrost.

Troubleshooting

CAUTION: Servicing the DR90A3000/DR120A3000 with its high pressure refrigerant system and

high voltage circuitry presents a health hazard which could result in death, serious bodily injury,

and/or property damage. Service should only be performed by a qualified service technician.

DR90A3000/DR120A3000 Dehumidiﬁcation System 33-00298EFS—15

12

Technical Description

DR90A3000/DR120A3000 uses a refrigeration system

similar to an air conditioner to remove heat and

moisture from incoming air and add heat to the air that

is discharged. Hot, high-pressure refrigerant gas is

routed from the compressor to the condenser coil. The

refrigerant is cooled and condensed by giving up its

heat to the air that is about to be discharged from the

unit. The refrigerant liquid then passes through a filter

drier and capillary tubing which causes the refrigerant

pressure and temperature to drop. It next enters the

evaporator coil where it absorbs heat from the incoming

air and evaporates. The evaporator operates in a flooded

condition, which means that all the evaporator tubes

contain liquid refrigerant during normal operation. A

flooded evaporator should maintain nearly constant

pressure and temperature across the entire coil, from

inlet to outlet.

CONDENSER

EVAPORATOR

CAPILLARY

TUBES

ACCUMULATOR

COMPRESSOR

STRAINER/FILTER

DRIER

M27404

Defrost

If the DR90 or DR120 dehumidifier coil starts to freeze up it goes into defrost mode. The dehumidifier shuts

off the compressor and runs the fan until the coil temperature rises. For rev 2 models (a sideways 2 after the

model number on the sticker) the dehumidifier makes a single beep when first powered up or when it enters

defrost mode.

Problem Troubleshooting Steps/Possible Causes of Issue

Fan runs when

there is a call for

dehumidification

and the ventilation

control is OFF, but

the compressor

cycles on and off

too frequently.

1. Low ambient temperature and/or humidity causing unit to cycle through defrost

mode.

2. Defective compressor overload.

3. Defective compressor.

4. Defrost thermostat defective.

5. Dirty air filter(s) or airflow restricted.

6. Low refrigerant charge, causing defrost control to cycle.

7. Bad connection in compressor circuit. Fan does not run with fan switch in either

position

Fan does not run

with ventilation

activated.

Compressor runs

briefly but cycles on

& off with humidity

control turned to

ON.

1. Loose connection in fan circuit.

2. Obstruction prevents fan rotation.

3. Defective fan.

4. Defective fan relay.

5. Defective fan capacitor.

Evaporator

coil frosted

continuously, low

de-humidifying

capacity.

1. Defrost thermostat loose or defective.

2. Low refrigerant charge.

3. Dirty air filter(s) or airflow restricted.

Unit not providing

ventilation. 1. Check control wire connections (check connections at fresh air damper also).

2. Defective fresh air damper.

3. Dirty air intake. Clean outside intake hood.

Unit removes some

water, but not as

much as expected.

1. Air temperature and/or humidity have dropped.

2. Humidity meter and or thermometer used are out of calibration.

3. Unit has entered defrost cycle.

4. Dirty air filter.

5. Defective defrost thermostat.

6. Low refrigerant charge.

7. Air leak such as loose cover or ducting leaks.

8. Defective compressor.

9. Restrictive ducting.

10. Optional Condensate Pump Safety Switch open.

Unit Test to

determine problem: 1. Detach field control wiring connections from main unit.

2. Connect the R and FAN contacts from the main unit together; only the impeller

fan should run. Disconnect the wires.

3. Connect the R and DHUM contacts from the main unit together; the compressor

and impeller fan should run.

4. If these tests work, the main unit is working properly. You should check the

control panel and field control wiring for problems next.

5. Remove the control panel from the mounting box and detach it from the field

installed control wiring. Connect the blue, yellow, and green wires from the

control panel directly to the corresponding colored pigtails on the main unit.

Leave the violet, white, and red wires disconnected!

6. Turn on the humidity control. The compressor and impeller fan should run.

7. If these tests work, the problem is most likely in the field control wiring.

DR90A3000/DR120A3000 Dehumidiﬁcation System 33-00298EFS—15 13

Troubleshooting (continued)

DR90/DR120 Parts List

M36841

DR90A3000/DR120A3000 Dehumidiﬁcation System 33-00298EFS—15

14

Figure Reference Base and Accessory Parts Part Number

1Dehumidifier DR90A3000

1Dehumidifier DR120A3000

2Motorized Ventilation Damper EARD6TZ

3 Filter 50070171002

For reference only.

1

2

3

DR90A3000/DR120A3000 Dehumidiﬁcation System 33-00298EFS—15 15

Resideo Technologies Inc.

1985 Douglas Drive North, Golden Valley, MN 55422

1-800-468-1502

33-00298EFS—15 SA Rev. 07-23 | Printed in United States

www.resideo.com

This product is manufactured by Resideo Technologies, Inc. and its affiliates.

Ce produit est fabriqué par Resideo Technologies, Inc. et ses sociétés affiliées.

Este producto es fabricado por Resideo Technologies, Inc. y sus afiliados.

Resideo warrants this product to be free from defects in workmanship or materials, under normal use and service, for

a period of five (5) years from the date of first purchase by the original purchaser. If at any time during the warranty

period the product is determined to be defective due to workmanship or materials, Resideo shall repair or replace it

(at Resideo’s option).

If the product is defective,

(i) return it, with a bill of sale or other dated proof of purchase, to the place from which you purchased it; or

(ii) call Resideo Customer Care at 18004681502. Customer Care will make the determination whether the product

should be returned to the following address: Resideo Return Goods, 1985 Douglas Dr. N., Golden Valley, MN 55422,

or whether a replacement product can be sent to you.

This warranty does not cover removal or reinstallation costs. This warranty shall not apply if it is shown by Resideo

that the defect was caused by damage which occurred while the product was in the possession of a consumer.

Resideo’s sole responsibility shall be to repair or replace the product within the terms stated above. RESIDEO SHALL

NOT BE LIABLE FOR ANY LOSS OR DAMAGE OF ANY KIND, INCLUDING ANY INCIDENTAL OR CONSEQUENTIAL

DAMAGES RESULTING, DIRECTLY OR INDIRECTLY, FROM ANY BREACH OF ANY WARRANTY, EXPRESS OR

IMPLIED, OR ANY OTHER FAILURE OF THIS PRODUCT.

Some states do not allow the exclusion or limitation of incidental or consequential damages, so this limitation may

not apply to you.

THIS WARRANTY IS THE ONLY EXPRESS WARRANTY RESIDEO MAKES ON THIS PRODUCT. THE DURATION OF ANY

IMPLIED WARRANTIES, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

PURPOSE, IS HEREBY LIMITED TO THE FIVE YEAR DURATION OF THIS WARRANTY. Some states do not allow

limitations on how long an implied warranty lasts, so the above limitation may not apply to you.

This warranty gives you specific legal rights, and you may have other rights which vary from state to state. If you have

any questions concerning this warranty, please write Resideo Customer Care, 1985 Douglas Dr, Golden Valley, MN

55422 or call 18004681502.

The product should not be disposed of with other household waste. Check for the nearest authorized collection

centers or authorized recyclers. The correct disposal of end-of-life equipment will help prevent potential negative

consequences for the environment and human health.

5Year Limited Warranty

DR90A3000/DR120A3000

BESOIN D’AIDE? Pour obtenir de l’aide sur ce produit, prière de visiter le site

http://customer.resideo.com ou d’appeler le service d’assistance à la clientèle

au 1-800-468-1502.

Lire et conserver ces instructions.

Système de déshumidiﬁcation DR90A3000 33-00298EFS—15 1

?

À PROPOS DU NOUVEAU DÉSHUMIDIFICATEUR

À propos du déshumidiﬁcateur

DR90A3000/DR120A3000 ........................2

Options de régulateurs .............................3

DR90 Spéciﬁcations ...............................4

DR120 Spéciﬁcations ..............................5

INSTALLATION

Installation en fonction de l’application ............6

Raccordement .....................................7

Description des bornes ............................8

Câblage ...........................................8

Vériﬁcation ........................................11

ENTRETIEN

Nettoyage .........................................11

Description technique ............................12

Dépannage .......................................12

Liste des pièces DR90/DR120 ....................14

Garantie limitée de 5 ans ..........................16

• Le modèle DR90A3000 est destiné à être installé à l’intérieur dans un lieu protégé de la pluie et des

inondations.

• Installer l’unité en assurant le dégagement nécessaire pour l’accès au panneau pour la maintenance et

l’entretien.

• Éviter de diriger l’air d’évacuation vers les personnes ou sur l’eau des piscines.

• Si le produit est utilisé près d’une piscine ou d’un spa, veiller à garantir que l’unité ne peut pas tomber

dans l’eau ou être éclaboussée, et qu’elle est raccordée à un disjoncteur de fuite à la terre.

• Pour garantir un fonctionnement silencieux, ne pas placer l’unité directement sur les supports de

structure du bâtiment.

• Un bac de récupération doit être placé sous l’unité si elle est installée au-dessus d’une zone

habitée ou d’une zone où une fuite d’eau pourrait causer des dommages.

• Le DR90/DR120 doit être installé sur une base stationnaire ou à même le sol. Il ne doit pas être

monté au-dessus d’autres composants de CVC, notamment le serpentin en A.

1. Ne jamais faire fonctionner l’appareil avec un cordon d’alimentation endommagé. Si le

cordon d’alimentation est endommagé, il doit être remplacé par le fabricant, son agent du

service, ou une personne qualifiée afin d’éviter les situations dangereuses.

2. Cet appareil n’est pas conçu pour une utilisation par des personnes (incluant les

enfants) ayant des capacités physiques, sensorielles ou mentales réduites, ou manquant

d’expérience et de connaissance à moins d’avoir reçu la supervision ou les instructions

concernant l’utilisation de l’appareil par une personne responsable de leur sécurité. Les

enfants devraient être supervisés pour s’assurer qu’ils ne jouent pas avec l’appareil.

!

À propos du déshumidiﬁcateur DR90A3000/DR120A3000

Le DR90A3000/DR120A3000 permet de maintenir les niveaux d’humidité adéquats dans toute la maison

grâce à sa haute performance et son efficacité.

Lorsque l’humidité intérieure

dépasse 60 %, l’habitation est plus

susceptible à la moisissure. L’unité

DR90A3000/DR120A3000 protège

de l’humidité excessive dans la

maison tout au long de l’année.

* Société américaine des ingénieurs en

chauffage, refroidissement et climatisation

(ASHRAE).

MFCR24780

010203040506070809

01

00

ZONE

OPTIMALE

BACTÉRIES

VIRUS

CHAMPIGNONS

ACARIENS

INFECTIONS

RESPIRATOIRES

RHINITES ALLERGIQUES

ET ASTHME

INTERACTIONS

CHIMIQUES

PRODUCTION

D’OZONE

TAUX D’HUMIDITÉ TYPE EN HIVER

RECOMMANDÉ PAR L’ASHRAE

Avantages

• Retire jusqu’à 90 chopines (DR90) ou 120 chopines

(DR120) d’eau par jour de l’air intérieur.

• Alimentation en air frais intégrée

• Certifié Energy Star

• Transformateur et fusible intégrés

Maintien d’une humidité idéale

Les points de rosée et d’humidité relative (HR) affectent

la manière dont le corps ressent la chaleur. Des niveaux

d’humidité élevés causent une perception de chaleur

accrue par rapport à la température réelle. Lorsqu’il est bien

entretenu, l’équipement de refroidissement peut ne pas

tourner autant car l’air déshumidifié semble plus frais.

L’humidité idéale est définie par les experts de l’industrie* comme

se situant entre 40 et 60 % sur une base annuelle moyenne.

Capacité :

22,2 litres/jour (60 °F [15,6 °C], 60 % de RH)

30,7 litres/jour (70 °F [21,1 °C], 60 % de RH)

42,6 litres/jour (80 °F [26,7 °C], 60 % de RH)

MCR36852

DR120

DR90

Système d’humidiﬁcation DR90A3000/DR120A3000 33-00298EFS—15

2

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