Honeywell DH90A1015 Installation Guide
Honeywell DH90A1015 - TrueDRY t Dehumidifier Manual
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Honeywell DH90A1015 manual content summary:
- Honeywell DH90A1015 | Installation Guide - Page 1
ventilation Installation Guide Dehumidification Fresh Air Ventilation Compact Size Energy Efficient The DH90 whole house dehumidifier integrates high-capacity dehumidification, fresh air ventilation, and filtration, into a compact and easy to install enclosure. An automatic ventilation controller - Honeywell DH90A1015 | Installation Guide - Page 2
Forced Air HVAC System 6 4.4E Installation in a Structure with Two Forced Air HVAC Systems 6 4.5 Noise Abatement 7 5. Maintenance 7 5.1 Air Filter 7 5.2 Optional Fresh Air Intake 7 6. Wiring Diagrams 7 7. Parts List 8 8. Setting the Ventilation Control 8 9. Service 9 9.1 Troubleshooting - Honeywell DH90A1015 | Installation Guide - Page 3
outlet with a minimum of a 15 A circuit capacity. 4.1B Accessibility The installed DH90 should have at least 14 inches of clearance in the front of the device to service the filter. 4.1C Support Structure and Suspension Place the DH90 on supports to raise the base of the unit. Do not place the - Honeywell DH90A1015 | Installation Guide - Page 4
DAMPER INDOOR AIR RETURN Figure 2: Ducting from main return trunk to supply trunk. EARD6 MOTORIZED DAMPER FRESH AIR INTAKE W8150 HEATING AND CONTROLLER A/C UNIT SUPPLY AIR SUPPLY AIR INDOOR AIR RETURN DUCTING TO ISOLATED AREAS M24206 DEHUMIDIFIER ATTIC INSTALLATION INDOOR AIR SUPPLY - Honeywell DH90A1015 | Installation Guide - Page 5
the ventilation ducts must be measured in each installation. Refer to the instructions provided with the W8150 Ventilation Control for proper setup instructions. 4.4C Installation in a Basement or Crawl Space with an Existing Forced Air HVAC System Install a separate 10" return for the DH90 in - Honeywell DH90A1015 | Installation Guide - Page 6
DH90 Dehumidifier • For HVAC Installer Only FRESH AIR INTAKE EARD6 MOTORIZED DAMPER INDOOR AIR RETURN W8150 CONTROLLER HEATING AND A/C UNIT SUPPLY AIR INDOOR AIR SUPPLY INDOOR AIR RETURN Figure 4: Attic Installation. Instead of installing a separate return to the DH90, and if the existing - Honeywell DH90A1015 | Installation Guide - Page 7
will reduce dehumidifier capacity and efficiency and may cause the compressor to cycle off and on unnecessarily on the defrost control. CAUTION: Operate the unit only with a genuine Honeywell filter installed to assure proper performance of the unit. 5.2 Optional Fresh Air Intake Check and clean - Honeywell DH90A1015 | Installation Guide - Page 8
installing contractor. Part Number DH90A1007 DH90A1015 EARD6 50018994-001 50018995-001 H8908C1000 YTH9421C1002 Description 90-Pint Dehumidifier with H8908C Manual Dehumidistat Control 90-Pint Dehumidifier with YTH9421 VisionPRO® IAQ Total Home Comfort Thermostat with Auto/Manual Humidity Control - Honeywell DH90A1015 | Installation Guide - Page 9
a qualified service technician. 9.1 Troubleshooting No dehumidification, neither fan nor compressor run with fan switch and ventilation timer OFF. 1. Unit unplugged or no power to outlet. 2. Humidity control set too high or defective. 3. Loose connection in internal or control wiring. 4. Defective - Honeywell DH90A1015 | Installation Guide - Page 10
coil frosted continuously, low dehumidifying 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 - Honeywell DH90A1015 | Installation Guide - Page 11
9.2 Refrigerant Charging If the refrigerant charge is lost due to service or a leak, a new charge must be accurately weighed in. If any of the old must be present to perform some tests. These tests should be performed by a qualified service person. For HVAC Installer Only • Installation Guide 11 - Honeywell DH90A1015 | Installation Guide - Page 12
DH90 Dehumidifier • For HVAC Installer Only Warranty Information Honeywell warrants this product, excluding battery, to be free from defects in the workmanship or materials, under normal use and service, for a period of five (5) years from the date of purchase by the consumer. If at any time
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DH90 Whole House Dehumidifier
with fresh air ventilation
Installation Guide
Dehumidification
Fresh Air Ventilation
Compact Size
Energy Efficient
The DH90 whole house dehumidifier integrates
high-capacity dehumidification, fresh air ventila-
tion, and filtration, into a compact and easy to
install enclosure.
An automatic ventilation controller and dehumidi-
stat are included.
The dehumidifier removes 90 pints of water from
the air per day (80F, 60% RH) while only using 6.2
Amps of electricity.
The high moisture removal capacity helps main-
tain proper levels of humidity in most homes.
Dehumidification
The DH90's high efficiency refrigeration system is
further enhanced with a heat exchanger to achieve
exceptional performance while keeping your energy
costs as low as possible.
Fresh Air Ventilation (optional)
Fresh air may be ducted to the unit and regulated
using the provided Honeywell W8150 fresh air
ventilation controller along with the optional
EARD6 damper.
69-1951-1
HVAC Installer: Please leave manual for homeowner.
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