Honeywell DH90 User Manual

DH90 Whole House Dehumidifier
with fresh air ventilation
Owner’s Manual
CAUTION:
Servicing the DH90 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. Call your HVAC contractor.
CAUTION: ELECTRICAL SHOCK HAZARD
Electrical power must be present to perform some tests.
These tests should be performed by a qualified service technician.
Dehumidification • Fresh Air Ventilation
Air Filtration • Energy Efficient
69-1950
Read and save these instructions.
® U.S. Registered Trademark.
Copyright © 2006 Honeywell International Inc.
All rights reserved.

Honeywell DH90 Specifications

General

Brand	Honeywell
Model	DH90
Category	Dehumidifier
Language	English

Summary

Operating Instructions

How do I set the humidity level?

Explains how to adjust the dehumidistat for desired humidity, referencing outdoor temperature settings.

Fresh Air Ventilation

W8150 Fresh Air Ventilation Controller

Details the W8150 controller for fresh air ventilation based on home size, bedrooms, and HVAC airflow per ASHRAE 62.2.

Optional Y8150 Damper

Describes the Y8150 damper for optimal ventilation control when wired with the W8150 fresh air controller.

Maintenance

Filter Check and Replacement

Recommends checking the MERV 11 filter every three months and replacing it to maintain capacity and efficiency.

Drain Outlet Cleaning

Advises checking the drain outlet and hose once a year to clear any debris.

Warranty Information

Product Warranty Terms

Details Honeywell's five-year warranty for defects in workmanship and materials, excluding battery and installation costs.

Contact Information

Provides Honeywell Customer Relations contact details for warranty questions and inquiries in the US and Canada.