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Rheem RXID-AW90A Installation Manual

Whole house dehumidifier with fresh air ventilation
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Fresh Air Ventilation
The whole house dehumidifier integrates high-
capacity dehumidification, fresh air ventilation,
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 dehumidifier'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.
HVAC Installer: Please leave manual for homeowner.
RXID-AW90A Whole House Dehumidifier
Dehumidification
Compact Size
Energy Efficient
Fresh Air Ventilation (optional)
Fresh air may be ducted to the unit and regulated
using an optional fresh air ventilation controller
along with a fresh air damper.
with fresh air ventilation
Installation Guide
69-2298-01

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Summary of Contents for Rheem RXID-AW90A

  • Page 1: Introduction

    RXID-AW90A Whole House Dehumidifier with fresh air ventilation Installation Guide Dehumidification Fresh Air Ventilation Compact Size Energy Efficient The whole house dehumidifier integrates high- capacity dehumidification, fresh air ventilation, and filtration, into a compact and easy to install Fresh Air Ventilation (optional) enclosure.

  • Page 2: Table Of Contents

    Dehumidifier • For HVAC Installer Only Table of Contents Introduction ..... . . 1 4.4C Installation in a Basement or Crawl Space with an Existing Features &...

  • Page 3: Intended Application

    For HVAC Installer Only • Installation Guide 1. Intended Application for Dehumidifier Unit Weight: 92 lbs Shipping Size: 42"L x 25.875"H x 20.5"W The dehumidifier is intended for use in residential applications to reduce the indoor humidity levels Weight: 99 lbs and increase comfort.

  • Page 4: Suspension

    Dehumidifier • For HVAC Installer Only Place the dehumidifier on supports to raise the Refer to Section 6 for typical hookup diagrams. base of the unit. Do not place the dehumidifier Some of the control wires leaving the dehumidifier directly on structural building members without may not be used with certain installations and vibration absorbers or unwanted noise may result.

  • Page 5: B Ducting For Fresh Air-Option

    For HVAC Installer Only • Installation Guide • Duct Sizing: For total duct lengths up to Advantages of this form of ventilation include: 25', use a minimum 10" diameter round or 1. Outside air is filtered before entering the equivalent rectangular. For longer lengths, building.

  • Page 6: D Installation In An Attic With An Existing Forced Air Hvac System

    Dehumidifier • For HVAC Installer Only INDOOR FRESH AIR HEATING A/C AIR RETURN CONTROLLER RETURN AIR (OPTIONAL) HEATING A/C SUPPLY AIR FRESH AIR INLET HOOD (OPTIONAL) DRY AIR TO FRESH AIR BASEMENT MOTORIZED DAMPER (OPTIONAL) 6 IN. BACKDRAFT DAMPER Figure 4: Basement or crawl space installation. M29066 the catch pan overflows.

  • Page 7: E Installation In A Structure With

    INDOOR FRESH AIR INLET HOOD AIR RETURN M29068 (OPTIONAL) RXID-AW90A Figure 6: Install with no forced air HVAC system. WHITE - COMMON 4.4E Installation in a Structure with No Existing RED - 24V COMMON Forced Air HVAC System YELLOW - 24V POWER...

  • Page 8: Parts List

    Dehumidifier • For HVAC Installer Only 7. Parts List For replacement parts contact your installing contractor. Part Number Description RXID-AW90A 90-Pint Dehumidifier with Manual Dehumidistat Control 50018994-001 14" x 14" x 1" MERV 11 Filter 50018995-001 10" Back Draft Damper...

  • Page 9: Troubleshooting

    For HVAC Installer Only • Installation Guide 8.1 Troubleshooting Fan does not run with ventilation activated. Compressor runs briefly but No dehumidification, neither fan nor compressor cycles on & off with humidity control run with fan switch and ventilation timer OFF. turned to ON.

  • Page 10: Refrigerant Charging

    Dehumidifier • For HVAC Installer Only Unit Test to determine problem: 8.2 Refrigerant Charging 1. Detach field control wiring connections If the refrigerant charge is lost due to service or a from main unit. leak, a new charge must be accurately weighed in. If any of the old charge is left in the system, it must 2.
  • Page 11 Dehumidifier • For HVAC Installer Only For HVAC Installer Only • Installation Guide Warranty Information 5 years from date of purchase (contact the Rheem Parts Distribution Center for more information). 69-2298—01...
  • Page 12 Federal, State, Provincial, and Local codes. 5600 Old Greenwood Road, Fort Smith, Arkansas 72908 “In keeping with its policy of continuous progress and product improvements, Rheem reserves the right to make changes without notice.” U.S. Registered Trademark ®...

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