Honeywell DH90A1007 Installation Guide - Page 2

DH90 Dehumidifier • For HVAC Installer Only Table of Contents Introduction 1 Features & Benefits 1 Safety Precautions 2 1. Intended Application 3 2. Approvals 3 3. Specifications 3 4. Installation 3 4.1 Installation Checklist 3 4.1A Power Accessibility 3 4.1B Accessibility 3 4.1C Support Structure and Suspension 3 4.1D Sizing Chart 3 4.2 Electrical Requirements 3 4.3 Condensate Removal 4 4.4 Ducting 4 4.4A Fresh Air / Supply Air 4 4.4B Ducting for Fresh Air-Option. . . 5 4.4C Installation in a Basement or Crawl Space with an Existing Forced Air HVAC System 5 4.4D Installation in an Attic with an Existing 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 6.1 Choose correct wiring diagram. . . . . . 8 7. Parts List 9 8. Setting the Control 9 9. Service 10 9.1 Troubleshooting 10 9.2 Refrigerant Charging 11 9.3 Compressor/Capacitor Replacement 11 Safety Precautions Read the installation, operation and maintenance instructions carefully before installing and operating this device. Proper adherence to these instructions is essential to obtain maximum benefit from your DH90 indoor air quality system. READ AND SAVE THESE INSTRUCTIONS • The device 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, splashed and that it is plugged into a GFI GROUND FAULT INTERRUPT OUTLET. • DO NOT place the device directly on structural members. • 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.