DR65A3000
PROFESSIONAL INSTALLATION GUIDE
GUIDE D’INSTALLATION PROFESSIONNELLE
GUÍA DE INSTALACIÓN PROFESIONAL
INCLUDED IN THIS BOX
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DR65A3000 |
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INCLUDED IN THIS BOX |
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Tools required to install TrueDRY DR65 |
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3/8-in. hex drive |
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Drill or duct cutting tool |
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Wire stripper/cutter |
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Standard screwdriver |
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Duct tape |
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8-in. round duct and starter collar |
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18-22 gauge, 5 band thermostat wire |
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1/2-in. diameter drain line (8 ft.) |
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1/2-in. drain clamps (2) |
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3/4-in. male NPT drain outlet |
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Options |
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1/2-in. drain p-trap (may be required by local code) |
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Drain pan |
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Float switch or water sensor (normally closed) |
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TrueDRY™ DR65 (1) 8-in. duct collar (2) MERV 11 Filter (1) Installation Guide
Prestige Comfort System (wireless) TruelAQ
H8908 Manual Dehumidistat VisionPRO IAQ control
F |
OPTIONAL CONTROLS SOLD SEPARATELY |
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F1 |
F2 |
F3 |
F4 |
F5 |
Tools required to install DR65A3000 dehumidifier
3/8” hex drive
Drill or duct cutting tool
Wire stripper/cutter
Standard screwdriver
T20 Torx screwdriver
Duct tape
8” round duct and starter collar
18-22 gauge, 5 conductor thermostat wire
1/2” diameter drain line (8’)
1/2” drain clamps (2)
3/4” male NPT drain outlet
Options
1/2” drain p-trap (may be required by local code)
Drain pan
Float switch or water sensor (normally closed)
A B C D
E
F1 F2 F3 F4
F5
DR65A3000 (1) 8” duct collar (2) MERV 11 Filter (1) Installation Guide Filter Door (2) Prestige IAQ Kit TruelAQ
H8908 Manual Dehumidistat VisionPRO or Prestige Thermostat H6062 HumidiPRO Digital Humidity Control
33-00297EFS-01
Installation Checklist
Included in This Box
ADR65A3000 (1)
B8” duct collar (2)
CMERV 11 Filter (1)
DInstallation Guide
EFilter Door
Control Options (Sold separately)
F1 Prestige IAQ Kit
F2 TrueIAQ
F3 H8908 Manual Dehumidistat
F4 VisionPRO or Prestige Thermostat
F5 HumidiPRO Digital Control
Tools Required (Not Supplied)
•3/8” hex drive
•Drill or duct cutting tool
•Wire stripper/cutter
•Standard screwdriver
•T20 Torx screwdriver
•Duct tape
•8” round duct and starter collar
•18-22 gauge, 5 conductor thermostat wire
•1/2” diameter drain line (8’)
•1/2” drain clamps (2)
•3/4” male NPT drain outlet
Options
•1/2” drain p-trap (may be required by local code)
•Drain pan
•Float switch or water sensor (normally closed)
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 2
Liste de vérification pour l’installation
Inclus dans cette boîte
ADR65A3000 (1)
BCollet de conduite de 8 po (2)
CFiltre MERV 11 (1)
DGuide d’installation
EPorte du filtre
Options de régulateurs (vendus séparément)
F1 Nécessaire Prestige IAQ
F2 True IAQ
F3 Déshumidistat manuel H8908
F4 Thermostat VisionPRO ou Prestige
F5 Régulateur d’humidité numérique HumidiPRO
Outils requis (non fournis)
•Tournevis cruciforme 3/8 po
•Outil de perçage ou de coupe de conduit
•Dénudeur/coupe-fils
•Tournevis normal
•Tournevis Torx T20
•Ruban adhésif
•Collet de conduit et de départ rond de 8 po
•Fil de thermostat à 5 conducteurs calibre 18-22
•Tuyau de vidange de 1/2 po de dia. (8 pi)
•Attaches de tuyau de vidange de ½ po (2)
•Sortie de vidange ¾ po NPT mâle
Options
•Siphon-P de vidange d’1/2 po (peut-être requis par le code local)
•Bac de récupération
•Flotteur ou capteur d’eau (normalement fermé)
Avertissement : L’installation doit être effectuée par un technicien d’entretien qualifié et conformément aux codes 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 COMMENCER À LA PAGE 18
Lista de verificación para la instalación
Esta caja incluye
ADR65A3000 (1)
BAnillo para conductos de 8 pulgadas (20,3 cm) (2)
CFiltro MERV 11 (1)
DGuía de instalación
EPuerta del filtro
Opciones de control (se venden por separado)
F1 Kit Prestige IAQ
F2 True IAQ
F3 Deshumidistato manual H8908
F4 Termostato VisionPRO o Prestige
F5 Control de humedad digital HumidiPRO
Herramientas necesarias (no se suministran)
•Impulsor de cabeza hexagonal de 3/8 pulgadas
•Taladro o herramienta cortante para conductos
•Alicates o cortadores de cables
•Destornillador estándar
•Destornillador Torx T20
•Cinta para conductos
•Conducto redondo de 8 pulgadas (20,3 cm) y collar de arranque
•Cable de termostato calibre 18 a 22, de 5 conductores
•Línea de desagüe de ½ pulgada (1,3 cm) de diámetro (8 pies [2,4 m])
•Abrazaderas de desagüe de 1/2 pulgada (1,3 cm) (2)
•Tubo de desagüe NPT macho de 3/4”
Opciones
•Trampa en P para desagüe de ½ pulgada (1,3 cm) (es posible que el código local la exija)
•Bandeja para drenaje
•Interruptor del flotador o sensor de agua (normalmente cerrado)
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 34
DR65A3000
ABOUT YOUR NEW DEHUMIDIFIER |
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Benefits .. . . . . . . . . . . . . . . . . . . |
2 |
Maintaining Ideal Humidity. . . . . . . . . . |
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Setting the Controls. . . . . . . . . . . . . . |
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Control Options. . . . . . . . . . . . . . . . |
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Specifications. . . . . . . . . . . . . . . . . |
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INSTALLATION |
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Install to Fit Your Application. . . . . . . . . |
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Plumbing. . . . . . . . . . . . . . . . . . . . 6 |
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Terminal Description. . . . . . . . . . . . . . |
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Wiring .. . . . . . . . . . . . . . . . . . . |
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Checkout . . . . . . . . . . . . . . . . . . . |
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MAINTENANCE
Cleaning .. . . . . . . . . . . . . . . . . . . 11 Technical Description. . . . . . . . . . . . . 12 Parts List. . . . . . . . . . . . . . . . . . . 14 5-Year Limited Warranty. . . . . . . . . . . .15
•The DR65A3000 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.
!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.
?NEED HELP? For assistance with this product please visit http://www.forwardthinking.honeywell.com or call Honeywell Customer Care toll-free at 1-800-468-1502.1. Never operate a unit with a damaged power cord. If the power cord is damaged it must be
Read and save these instructions.
® U.S. Registered Trademark. Patents pending. Copyright © 2016 Honeywell International Inc. All rights reserved.
DR65A3000 Dehumidification System 33-00297EFS—01
About the DR65A3000 Dehumidifier
The Honeywell DR65A3000 ensures the home is maintained at proper humidity levels through its high performance and efficiency.
Benefits
•Removes up to 65 pints (30.8 l) of water per day from the indoor air.
•Built-in humidity control requires no additional wiring to an external control. Just plug in and go! Choice of external control options also available for centrally ducted control.
•Energy Star rated.
•Built-in transfromer circuit breaker.
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, you can run your cooling equipment less because dehumidified air feels cooler.
Ideal humidity is defined by industry experts* as being between 40-60% on an average annual basis. When indoor humidity exceeds 60%, the home is more susceptible to mold and mildew growth. DR65A3000 safeguards against excessive humidity in the home year-round.
WHAT THE AIR FEELS LIKE
HOW HOT THE HEAT-HUMIDITY COMBINATION MAKES IT FEEL.
EXAMPLE: AIR AT 90ºF WITH 50% RH FEELS LIKE 96ºF TO THE HUMAN BODY!
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RELATIVE HUMIDITY (PERCENTAGE) |
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90 |
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100 |
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0 |
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TEMPERATUREAIR FAHRENHEIT)(DEGREES |
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100 |
91 |
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107 |
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144 |
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118 |
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124 |
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136 |
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90 |
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106 |
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109 |
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113 |
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85 |
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105 |
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108 |
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80 |
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EXTREME DANGER DANGER EXTREME CAUTION CAUTION
SOURCE: TEMPERATURE - HUMIDIY INDEX WAS DERIVED BY R.G. STEADMAN, JOURNAL OF APPLIED METEOROLOGY, JULY 1979. |
M27328 |
*American Society of Heating, Refrigerating
and Air Conditioning Engineers (ASHRAE).
ASHRAE RECOMMENDED WINTER DESIGN LEVEL |
OPTIMUM |
ZONE |
BACTERIA
VIRUSES
FUNGI
MITES
RESPIRATORY
INFECTIONS
ALLERGIC RHINITIS
AND ASTHMA
CHEMICAL
INTERACTIONS
OZONE
PRODUCTION
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100 |
MCR24780
2 |
DR65A3000 Dehumidification System 33-00297EFS—01 |
Setting the Controls
BUILT-IN HUMIDITY CONTROL: An intuitive ‘set and forget’ humidistat is built into the DR65A3000 to set the humidity level right on the device. Optional external control wiring is also available. If an external dehumidistat is used, the on-board dehumidification control must be set to the Off position.
Control Options
The DR65A3000 may be used with one of the following external controls:
Prestige™ IAQ Kit
•Controls both heating/cooling and ventilation.
•Wireless sensor for displaying outdoor temperature and humidity.
•Advanced ventilation programming includes economizing and extreme condition shutdown.
•Maintenance and service reminders.
•High definition color display.
•RedLINK™ Wireless technology
VisionPRO™ or Prestige™
•Controls both heating/cooling and ventilation.
•Wireless sensor for displaying outdoor temperature and humidity.
•Ventilation programming for time of day or Ashrae standards.
•Optional ventilation lockouts for high/low temp or humidity conditions when C7089R1013 wireless outdoor sensor is used.
•Wi-Fi™ or RedLINK™ Wireless technology
HumidiPRO Digital Control
•Manual dehumidification control
•Dehumidifier compressor protection
•RH% and outdoor temperature calibration
•Adjustable high and low range stops (10-90%)
TrueIAQ Digital Control
•Automatic adjustments maintain fresh air in home.
•Sensor for displaying outdoor temperature and humidity.
•Advanced ventilation programming includes economizing and extreme condition shutdown.
•Maintenance and service reminders.
•Controls other indoor air quality equipment.
Manual Dehumidistat and Automatic Ventilation Controls
•Manual humidity control with intuitive comfort settings.
•Automatic W8150 ventilation control to ASHRAE standard, or for continuous operation.
DR65A3000 Dehumidification System 33-00297EFS—01 |
3 |
Specifications
Install DR65A3000 according to National Electric Codes.
Dry-Bulb Temp |
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Intake Humidity |
Capacity (Pints/Day) |
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80°F (26.7°C) |
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60% RH |
65 |
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70°F (21.1°C) |
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60% RH |
47 |
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60°F (15.6°C) |
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60% RH |
34 |
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Home Size |
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Dehumidifier Capacity Required to Maintain Desired Indoor RH* |
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(square ft) @ |
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60% RH Indoor |
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50% RH Indoor |
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40% RH Indoor |
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8 ft ceiling |
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(pints/day) |
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(pints/day) |
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(pints/day) |
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2080 |
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49–54 |
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55–58 |
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71–78 |
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2600 |
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61–68 |
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65–72 |
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90–97 |
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3120 |
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75–82 |
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79–86 |
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95–110 |
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*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.
Dimensions in inches and (mm):
12 (305) 
28-1/2 (724) 
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8 INCH (203) |
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12 |
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(305) |
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DIAMETER |
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M29763
Product weight: 60lb (27 Kg) Shipping weight: 68lb (31 Kg)
Shipping dimensions: 16.7” H × 17” W × 32.9” L
Media Filter: MERV 11, 9” H x 11” W x 0.75” D
Drain connection: 3/4” threaded female NPT connection.
Duct connections: 8” round inlet and outlet. ABS plastic, compatible for connection to rigid or flexible ducting with sheet metal screws and/or tape.
Cabinet: 20 gauge galvanized steel powder-coat painted.
Insulation: R value 1
Compressor: Rotary-style, 6.1 KBTU
Refrigerant: R-410A, 15 oz.
Operating Temp Range (outside cabinet):
34ºF to 135ºF (1.1ºC to 57.2ºC)
Operating Humidity Range: 0-99% RH
Airflow versus external static pressure (0–1” water pressure) with collars attached
0” |
160 CFM |
0.2” |
140 CFM |
0.4” |
120 CFM |
0.6” |
100 CFM |
Input ratings
•Electrical input voltage: 120 VAC, 60 Hz nominal
•Input current: 5.2 A
Output ratings
•Power transformer to R/C terminals:
24 VAC, 0.85 A
•Energy Performance: 2.22 liters (4.7 pints) per kilowatt hour (KWH)
Standards and approval body requirements
•ETL Listed per UL 474 and CSA C22.2 No 92
•ENERGY STAR rated.
4 |
DR65A3000 Dehumidification System 33-00297EFS—01 |
Install to Fit Your Application
Flex duct is recommended in connecting to the DR65A3000 collars to reduce vibration noise.
Duct Sizing: Use minimum 8” diameter round for duct lengths up to 25’ Minimum 10” required for lengths longer than 25’ Duct branches from the main inlet/ exhaust should be minimum 8” round for 2-3 branches, and 8” round or larger for 4 branches or more.
Isolated Areas: Effective dehumidification may require ducting to isolated or stagnant air flow areas.
A
B
Electrical requirements:
115 VAC outlet. Ground fault interrupter (GFI) recommended.
M24745
Dedicated Return to Main Supply
AIR HANDLER |
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RETURN |
SUPPLY |
DEHUMIDIFIER |
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SEPARATE |
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RETURN |
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(OPTIONAL) |
BACKDRAFT |
GRAVITY DAMPER |
DAMPER |
M36843 |
Ideal when…
•Access to a dedicated central return for DR65A3000 is available.
•Combined with A/C operation; requires backdraft damper on the exhaust
port to minimize backdraft when DR65A3000 is not on but A/C is.
•Providing dry air to a specific area with an optional 20% open gravity damper on DR65A3000 supply.
Main Return to Main Supply
AIR HANDLER
RETURN |
SUPPLY |
DEHUMIDIFIER
BACKDRAFT
DAMPER
M36844
Ideal when…
•Running DR65A3000 when not running A/C. Requires damper on the exhaust port to minimize backdraft when DR65A3000 is not on but A/C is.
•Access to a dedicated central return for DR65A3000 is not available.
•System fan should run with dehumidifier for best results.
DR65A3000 Dehumidification System 33-00297EFS—01 |
5 |
Install to Fit Your Application (continued)
C |
Main Return to Main Return |
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AIR HANDLER |
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RETURN |
SUPPLY |
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DEHUMIDIFIER |
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M36845 |
Ideal when…
•Running DR65A3000 with A/C operation.
•System fan must run with dehumidifier.
•Minimizing discharge air temperature (DAT) increase is preferred.
•Access to a dedicated central return for DR65A3000 is not available.
D |
Dedicated Return to Dedicated Supply |
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DEHUMIDIFIER |
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SEPARATE |
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RETURN |
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SUPPLY |
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M36846 |
Ideal when…
•DR65A3000 will not be ducted to a forced air HVAC system.
Plumbing
Attach 3/4” male NPT drain nozzle.
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 dehumidifier.
6 |
DR65A3000 Dehumidification System 33-00297EFS—01 |
Terminal Description
CAUTION: Low voltage hazard. Can cause equipment damage.
Disconnect HVAC equipment before beginning installation.
Two wiring terminal blocks are located on the exhaust end of the dehumidifier.
The six terminals for the left hand terminal block are:
FLOAT (2): External low-voltage water sensor or float switch
DHUM: Compressor and fan operation for dehumidification
R:24V output
FAN: Fan activation only for ventilation
C:24V output
NOTE: The outer screws on each terminal block secure the block to the chassis. They are not used for wiring.
The right hand terminal block in the above figure is used only for interlocking a
DR65A3000 with an equipment fan. The three terminals are:
Gt: Fan operation from thermostat Rf: 24V from equipment fan
Gf: Fan operation from equipment fan
External 24V devices can be powered from R and C terminals (20VA max.)
Wiring
Wire the DR65A3000 according to the diagram that applies to your desired operation.
Follow this diagram for ducted operation with the onboard dehumidistat.
HVAC
R C W Y G
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+ |
+ |
+ |
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R Rc W |
Y |
G |
FLOAT FLOAT DHUM R FAN |
C |
Gt |
Rf Gf |
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DEHUMIDIFIER |
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+
THERMOSTAT |
M36847 |
DR65A3000 Dehumidification System 33-00297EFS—01 |
7 |
Wiring (continued)
Follow this diagram if using the HumidiPro Digital Humidity Controller.
C |
24 VAC |
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(CONSTANT) |
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R |
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U |
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U |
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S |
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S |
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Float DHUM R Fan C
M35602
HVAC
R C W Y G
Follow this diagram if using the PrestigeIAQ thermostat.
W |
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W2 |
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C |
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Y |
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Rc |
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Y2 |
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R |
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G |
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H |
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H |
TrueDRY |
K |
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U_ |
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THERMOSTAT |
U_ |
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+ |
+ + |
+ |
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FLOAT DHUM R FAN C |
Gt |
Rf Gf |
NOTE: THERMOSTAT MUST BE CONFIGURED TO DRIVE FURNACE FAN |
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DURING DEHUMIDIFICATION CALL. |
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M33154A |
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HVAC |
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MECHANICAL |
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DEHUMIDISTAT |
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DRY |
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CONTACTS |
R |
C |
W |
Y |
G |
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Follow this diagram if using an external manual dehumidistat.
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+ |
+ |
+ |
R Rc W |
Y |
G |
FLOAT FLOAT DHUM R FAN C |
Gt Rf Gf |
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DEHUMIDIFIER |
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THERMOSTAT
+
M36848
8 |
DR65A3000 Dehumidification System 33-00297EFS—01 |
Wiring (continued)
Follow this diagram for ducted operation with external ventilation control.
HVAC
R C W Y G
G |
W8150A |
R |
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C |
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C |
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W |
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G |
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R Rc W Y G
THERMOSTAT
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EARD8TZ |
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R |
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C |
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DAMPER |
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AUX |
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REMOTE |
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+ |
+ + |
+ |
FLOAT DHUM R FAN C Gt Rf Gf
DEHUMIDIFIER
M36849
Follow this diagram if using |
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TrueIAQ |
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DR65A3000 with a powered |
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In |
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dehumidistat such as TrueIAQ |
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6840% |
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7655% |
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Out |
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(DG115EZIAQ). |
2 |
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1215: |
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THERMOSTAT |
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1 |
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R Rc C |
W |
Y |
G |
HVAC |
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R |
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R |
C |
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C |
SENSOR |
OUTDOOR |
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W |
SENSOR |
SENSOR |
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Y |
(PROVIDED) |
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SWITCH |
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G |
W |
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G |
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VENT |
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EARD8TZ |
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VENT |
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DEHUM |
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DEHUM |
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HUM |
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+ |
+ |
+ |
HUM |
FLOAT DHUM R |
FAN |
C |
Gt |
Rf Gf |
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DEHUMIDIFIER |
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1IF A THERMOSTAT OTHER THAN A TH5110, TH5220, TH5320, TH6110, TH6220, TH6320, TH8110, TH8320, OR TH8321 IS USED, A RELAY MAY BE REQUIRED TO ISOLATE THE G WIRE.
2PROGRAM ISU SETTING 60 TO Ø TO FORCE SYSTEM FAN ON WITH DEHUMIDIFICATION CALL.
M36850
DR65A3000 Dehumidification System 33-00297EFS—01 |
9 |
Wiring (continued)
Follow this diagram if using DR65A3000 with a Prestige IAQ or VisionPro IAQ.
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EQUIPMENT INTERFACE MODULE (EIM) |
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D-1 |
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FAN |
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R-2 |
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FURNACE BOARD |
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C-3 |
1 |
CONV. |
HP |
C |
HEAT 1 RELAY |
VISIONPRO IAQ |
2 |
W1 |
O/B |
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3 |
W2 |
AUX |
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HEAT 2 RELAY |
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C |
W3 |
AUX2 |
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HEAT 3 RELAY |
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Y |
Y |
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COOL 1 RELAY |
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RC |
Y2 |
Y2 |
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COOL 2 RELAY |
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G |
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FAN RELAY |
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RH |
G |
G |
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U1 |
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U1 |
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U2 |
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CONFIG FOR |
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OR |
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DEHUM |
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U2 |
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CONFIG FOR |
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U3 |
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VENT |
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EARD8TZ |
U3 |
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+ |
+ + |
+ |
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FLOAT DHUM R FAN C Gt Rf Gf
DEHUMIDIFIER
M36851
Checkout
Apply power to DR65A3000. Turn the humidity control to a low RH% level to initiate a dehumidification call. Confirm that the DR65A3000 compressor and fan turn on. The furnace blower will also turn on to circulate air. This will take up to two minutes. Be sure to turn the control to the desired RH% or to Off when checkout is complete. Turning the humidity control to Off will turn the DR65A3000 off.
10 |
DR65A3000 Dehumidification System 33-00297EFS—01 |
Cleaning
On an annual basis, perform the following maintenance requirement to ensure the dehumidifier runs at peak efficiency.
Unplug the dehumidifier before begin- 1 ning service. Remove magnetic access
panel to access the filter.
2 |
Remove filter and replace with new fil- |
ter. Reinstall magnetic access panel. |
Check the drain connection and drain 3 line to ensure it is clear of debris and
sludge. Ensure all hose connections are secure once maintenance of the drain lines is complete.
When service is complete, initiate a 4 call for dehumidification and check
that the compressor and fan activate. If using the VisionPRO IAQ or TrueIAQ controls, reset maintenance reminders.
DR65A3000 Dehumidification System 33-00297EFS—01 |
11 |
Technical Description
DR65A3000 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.
STRAINER/FILTER |
COMPRESSOR |
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DRIER |
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CONDENSER
CAPILLARY
TUBES
EVAPORATOR
ACCUMULATOR
M27404
Troubleshooting
Troubleshooting videos are available on Honeywell’s CPRO YouTube channel playlist.
CAUTION: Servicing the DR65A3000 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.
Problem |
Recommended Troubleshooting Steps |
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No dehumidification. Neither |
1. |
Unit unplugged or no power to outlet. |
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fan nor compressor run and the |
2. |
Humidity control set too high or defective. |
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ventilation timer is OFF. |
3. |
Loose connection in internal or control wiring. |
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4. |
Defective compressor relay. |
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5. |
Defective control transformer. |
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6. |
Optional Condensate Pump Safety Switch open. |
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No dehumidification. Compressor |
1. |
Defective compressor run capacitor. |
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does not run but fan runs when |
2. |
Bad connection in compressor circuit. |
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there is a call for dehumidification |
3. |
Defective compressor overload. |
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and the ventilation control is OFF. |
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4. |
Defective compressor. |
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5. |
Defrost thermostat open. |
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6. |
Optional Condensate Pump Safety Switch open. |
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Fan runs when there is a call |
1. |
Low ambient temperature and/or humidity causing unit to cycle |
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for dehumidification and the |
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through defrost mode. |
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ventilation control is OFF, but the |
2. |
Defective compressor overload. |
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compressor cycles on and off too |
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3. |
Defective compressor. |
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frequently. |
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4. |
Defrost thermostat defective. |
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5. |
Dirty air filter(s) or airflow restricted. |
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6. |
Low refrigerant charge, causing defrost control to cycle. |
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7. |
Bad connection in compressor circuit. Fan does not run with |
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fan switch in either position. |
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12 |
DR65A3000 Dehumidification System 33-00297EFS—01 |
Troubleshooting (continued)
Problem |
Recommended Troubleshooting Steps |
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Fan does not run |
1. |
Loose connection in fan circuit. |
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with ventilation |
2. |
Obstruction prevents fan rotation. |
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activated. |
3. |
Defective fan. |
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Compressor runs |
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4. |
Defective fan relay. |
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briefly but cycles on |
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& off with humidity |
5. |
Defective fan capacitor. |
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control turned to |
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ON. |
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Evaporator |
1. |
Defrost thermostat loose or defective. |
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coil frosted |
2. |
Low refrigerant charge. |
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continuously, low |
3. |
Dirty air filter(s) or airflow restricted. |
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de-humidifying |
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capacity. |
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Unit not providing |
1. |
Check control wire connections (check connections at fresh air damper also). |
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ventilation. |
2. |
Defective fresh air damper. |
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3. |
Dirty air intake. Clean outside intake hood. |
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Unit removes some |
1. |
Air temperature and/or humidity have dropped. |
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water, but not as |
2. |
Humidity meter and or thermometer used are out of calibration. |
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much as expected. |
3. |
Unit has entered defrost cycle. |
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4. |
Dirty air filter. |
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5. |
Defective defrost thermostat. |
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6. |
Low refrigerant charge. |
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7. |
Air leak such as loose cover or ducting leaks. |
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8. |
Defective compressor. |
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9. |
Restrictive ducting. |
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10. Optional Condensate Pump Safety Switch open. |
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Unit Test to |
1. |
Detach field control wiring connections from main unit. |
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determine problem: |
2. |
Connect the R and FAN contacts from the main unit together; only the impeller |
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fan should run. Disconnect the wires. |
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3. |
Connect the R and DHUM contacts from the main unit together; the compressor |
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and impeller fan should run. |
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4. |
If these tests work, the main unit is working properly. You should check the |
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control panel and field control wiring for problems next. |
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5. |
Remove the control panel from the mounting box and detach it from the field |
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installed control wiring. Connect the blue, yellow, and green wires from the |
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control panel directly to the corresponding colored pigtails on the main unit. |
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Leave the violet, white, and red wires disconnected! |
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6. |
Turn on the humidity control. The compressor and impeller fan should run. |
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7. |
If these tests work, the problem is most likely in the field control wiring. |
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Refrigerant Charging
If the refrigerant charge is lost due to service or a leak, a new charge must be accurately weighed” If any of the old charge is left in the system, it must be recovered before weighing in the new charge. Refer to the unit nameplate for the correct charge weight and refrigerant type.
DR65A3000 Dehumidification System 33-00297EFS—01 |
13 |
Parts List
Figure Reference |
Base and Accessory Parts |
Part Number |
1 |
Dehumidifier |
DR65A3000/U |
2 |
Motorized Ventilation Damper |
EARD8TZ |
3 |
8” Bypass Damper |
CPRD8 |
4 |
Filter |
50049537-005 |
1
2 3
4
M36840
For reference only.
14 |
DR65A3000 Dehumidification System 33-00297EFS—01 |
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