Safety Instructions
WARNING
1. 120 Volts may cause serious injury from electric
shock. Disconnect electrical power before starting
installation or servicing. Leave power disconnected
until installation/service is completed.
2. Sharp edges may cause serious injury from cuts. Use
care when cutting plenum openings and handling
duct system.
3. Dropping may cause personal injury or equipment
damage. Handle with care and follow installation
instructions.
CAUTION
1. Read all instructions before beginning installation.
2. Improper installation may cause property damage or
injury. Installation, service, and maintenance must be
performed by a qualied service technician.
3. Do not use in pool applications. Pool chemicals can
damage the dehumidier.
4. Do not use solvents or cleaners on or near the
circuit board. Chemicals can damage circuit board
components.
5. Wait 24 hours before running the unit if it was not
shipped or stored in the upright position
6. Do not use dehumidification to prevent window
condensation in the winter. During the winter the
dehumidifier does not run enough to effectively
prevent window moisture. The dehumidier has a
40° dew point lower limit and the moisture level in a
home during the winter is usually below this value.
The window condensation is a result of the cold
outdoor air/window temperature. Ventilation is the
most effective and efcient means of dealing with
window condensation in the winter.
Table of Contents
Safety Instructions ............................1
Specications ................................2
Packaging Content............................2
Set Up Dehumidier for Installation ..............3
Duct Collars ...............................3
Control Location............................4
Hard Wire Modication ........................4
Electrical Specications for Hard Wiring .........4
Wiring Instructions ..........................5
Location Considerations .......................5
Suspended Installation ........................6
Drain Installation .............................6
Leveling ..................................6
Condensate Pan, Condensate Pump
and Float Switch ...........................6
Ducting to HVAC System – Basement and
Attic Installations .............................7
Ducting for Stand Alone Installations or
Non-Ducted Installations .......................7
Ducting for Two Zone Installations...............8
Lennox Control...............................9
Y6456 – External Control or Crawl
Space/Sealed Attic Control and Wiring ..........10
Wiring the Dehumidier to the HVAC System
and Zone Dampers ...........................11
System Set-up and Checkout ..................12
Installer Test Mode.........................14
Start Up and Sequence of Operation ............15
Single Zone Whole House or Stand Alone
Using the Dehumidier Control ...............15
Single Zone Whole House or Stand Alone
Using an iComfort
®
Thermostat or
Y6456 External Control .....................15
Crawl Space or Sealed Attic (Remote) Control
Using Y6456..............................15
Two Zone – Primary and Secondary ...........15
Ventilation ..................................16
Installation & Wiring ........................16
Vent Auto & Vent-Timed.....................16
Outdoor Temperature Sensor Installation .......17
Determine Ventilation Requirements ...........17
Installer Settings ..........................18
Sequence of Operation .....................19
Troubleshooting .............................19
Table 4 – Error Codes ......................20
Table 5 – Troubleshooting Guide ..............21
Wiring Schematics ...........................22
Service Parts................................23
1
DEHUMIDIFIERS
507386-02
8/2018
Supersedes 1/2017
HEALTHY CLIMATE
®
DEHUMIDIFIERS
INSTALLATION INSTRUCTIONS FOR HEALTHY CLIMATE
®
DEHUMIDIFIER
MODEL HCWHD3-070, HCWHD3-095 AND HCWHD3-130
READ COMPLETE SAFETY INSTRUCTIONS AND INSTALLATION INSTRUCTIONS BEFORE STARTING
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