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INSTALLATION INSTRUCTIONS FOR HEALTHY CLIMATE
MODELS HCWHD5-080, HCWHD5-100 AND HCWHD5-130
READ COMPLETE SAFETY INSTRUCTIONS AND INSTALLATION INSTRUCTIONS BEFORE STARTING
Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Packaging Content . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Preparing the Unit for Installation . . . . . . . . . . . . . . . . 4
Repositioning the user interface for the Application 4
Installing the Duct Collars
Location Considerations . . . . . . . . . . . . . . . . . . . . . . . 5
Suspended Installation . . . . . . . . . . . . . . . . . . . . . . . . 5
Drain Installation – Models HCWHD5-080,
HCWHD5-100, and HCWHD5-130 . . . . . . . . . . . . . . . . 6
Leveling
Condensate Pan, Condensate Pump
and Float Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Ducting to HVAC System –
Basement, Attic, and Closet Installations . . . . . . . . . 8
Ducting for Stand Alone Installations . . . . . . . . . . . . 9
Ducting for Two Zone Installations (Not for Lennox®
Smart Zoning System) . . . . . . . . . . . . . . . . . . . . . . . . 10
Lennox Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Y6456 – External Control or Crawl Space/Sealed
Attic Control and Wiring . . . . . . . . . . . . . . . . . . . . . . 12
External Control
Crawl Space/Sealed Attic Control
Wiring the Dehumidifier to the HVAC System and
Zone Dampers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Wiring To The HVAC System
Wiring To Zone Dampers
System Set-up and Checkout . . . . . . . . . . . . . . . . . . 14
Remote Control –
Crawl Space/Sealed Attic
Ventilation
Zone
External Control
DEH W/AC
RH Offset
Start Up and Sequence of Operation . . . . . . . . . . . . 16
Single Zone Whole House Or Stand Alone Using The
Dehumidifier Control
Single Zone Whole House Or Stand Alone Using
A Lennox Communicating Thermostat Or Y6456
External Control
Crawl Space Or Sealed Attic (Remote) Control Using
Y6456
DEHUMIDIFIERS
508677-01
09/2024
TABLE OF CONTENTS
Two Zone - Primary And Secondary
HVAC Unit Mitigation Strategy
Ventilation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Installation & Wiring
Vent Auto & Vent Timed
5
Outdoor Temperature Sensor Installation
Determine Ventilation Requirements
Installer Settings
Sequence Of Operation
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
7
Diagnostic Codes
Service Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . 25
Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Service Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
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HEALTHY CLIMATE
DEHUMIDIFIERS
DEHUMIDIFIER
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Related Manuals for Healthy Climate Solutions HCWHD5-080
Summary of Contents for Healthy Climate Solutions HCWHD5-080
- Page 1 INSTALLATION INSTRUCTIONS FOR HEALTHY CLIMATE DEHUMIDIFIER ® MODELS HCWHD5-080, HCWHD5-100 AND HCWHD5-130 READ COMPLETE SAFETY INSTRUCTIONS AND INSTALLATION INSTRUCTIONS BEFORE STARTING TABLE OF CONTENTS Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Two Zone - Primary And Secondary Packaging Content .
- Page 2 CAUTION Safety Instructions WARNING • SHARP EDGES MAY CAUSE INJURY FROM CUTS . Use care when cutting plenum openings and handling ductwork Always wear glasses/goggles and gloves ATTENTION INSTALLER: when installing the unit • Read this manual before installing Improper •...
- Page 3 • Application Quick Start Guide • Parts Bag • Screws (9) • T20 Torx Bit • Barbed fitting for drain connections Specifications Model HCWHD5-080 Model HCWHD5-100 Model HCWHD5-130 Unit Dimension 26 x 14 x 15 26 x 14 x 15...
- Page 4 REPOSITIONING THE USER INTERFACE FOR THE Preparing the Unit for Installation APPLICATION Locate the onboard user interface (see Figure 2) on the IMPORTANT top of the dehumidifier or at the front of the dehumidifier if the user interface cannot be seen/accessed in the top Cut the strap securing the compressor shipping support orientation It may also be rotated 180 degrees in either bracket and remove the strap and shipping bracket...
- Page 5 ELECTRICAL SERVICE ACCESS THIS SIDE TOP DISCHARGE MINIMUM CLEARANCE 8 FOOT POWER CORD FOR FILTER (EITHER SID 15" FOR HCWHD5-080 FILTER & HCWHD5-100 20" FOR HCWHD5-130 TOP VIEW 90-1840 Figure 5 . Filter Access Clearance Suspended Installation If hanging the unit, use 1/4”...
- Page 6 NOTE: PTFE thread seal tape is recommended for the threaded connection and hand tighten only. Drain insert is only applicable for HCWHD5-080 and HCWHD5-100. Remove drain insert before priming and gluing in the PVC fitting. Replace drain insert after PVC glue has finally dried.
- Page 7 Leveling is required to ensure proper drainage from the dehumidifier. See Figure 9 and Figure 9a BUBBLE LEVEL NORMALLY CLOSED FLOAT SWITCH 90-1857 Figure 10 . Float Switch Wiring 0.38" MIN 2.00" MAX 90-2592 3/4" DRAIN Figure 9 . Level the Unit (applicable to HCWHD5-080 and HCWHD5-100)
- Page 8 PLENUM BOX OR Y-FITTING Model HCWHD5-130 0 .7” w .c . MAX, Model 6 FT. MIN. AIR HANDLER HWCHD5-100 0 .6” w .c . MAX, Model HCWHD5-080 0 .4” w .c . MAX . WARNING FILTER 10" DIA. INSULATED DUCT...
- Page 9 Ducting Notes: • Use insulated duct when the dehumidifier is located in an unconditioned space such as an attic or a garage • Use a minimum of 12” of flex duct at the dehumidifier inlet and outlet to prevent vibration noise transmission •...
- Page 10 SUPPLY DUCT external static pressure HCWHD5-130 0.7” w.c. MAX does not exceed the HCWHD5-100 0.6” w.c. MAX NORMALLY maximums shown and OPEN HCWHD5-080 0.4” w.c. MAX DAMPER RETURN DUCT during active conditioning. See DEH NORMALLY SUPPLY TO W/AC on page 14.
- Page 11 Lennox Control All Lennox thermostats can be used as an external control if NOTE: All Lennox thermostats use reverse logic for used with a SPDT relay The recommended relay is Catalog dehumidification. There is 24VAC between the No 69J79 See Figure 20 & Figure 21 for wiring with SPDT DH and C terminals when there is no call for NOTE: The NC NO slide switch should remain in the NO dehumidification.
- Page 12 Y6456 – External Control or Crawl Space/Sealed Attic Control and Wiring NOTE: Use 18-22 AWG wire for control wiring. NO/NC SWITCH EXTERNAL CONTROL Used as an external control, the Y6456 + - A B VENT DEH is mounted in the space that is to be Remote Sensor Dampers...
- Page 13 Wiring the Dehumidifier to the HVAC System and Zone Dampers NOTE: Use 18-22 AWG wire for wiring to HVAC system and zone dampers. Pull off the wiring access cover near the dehumidifier control to access the wiring terminals Snap the wiring access cover back into place after completing all wiring + - A B VENT DEH...
- Page 14 System Set-up and Checkout VENTILATION If not using the dehumidifier If dehumidifier installation does not include ventilation or to bring in outdoor air, zoning and will not be wired to an external control, remote press MODE to go to control or the HVAC system, proceed to INSTALLER TEST ZONE screen selections MODE section on page 15 1 .
- Page 15 ZONE RH OFFSET If installing the dehumidifier An offset can be in a single zone application, applied to the on-board select DISABLED and humidity reading to avoid press MODE to go to the discrepancies with other EXTERNAL control screen humidity measuring devices selections in the home Use the 90-1854...
- Page 16 Start Up and Sequence of Operation After one minute of compressor operation, SINGLE ZONE WHOLE HOUSE OR STAND ALONE all outputs will turn off and DONE will blink for 3 USING THE DEHUMIDIFIER CONTROL seconds and then return to 1. Press the ON/OFF button to turn the dehumidifier control the OFF screen ON The display will show the current setting, and the 90-1854...
- Page 17 CRAWL SPACE OR SEALED ATTIC (REMOTE) HVAC UNIT MITIGATION STRATEGY CONTROL USING Y6456 • If the Dehumidifier is connected to non-communicating thermostats when the system enters mitigation mode, 1. Press the ON/OFF button to turn the dehumidifier control the thermostat will turn off This also turns off the ON REMOTE will show on the display to indicate that Dehumidifier.
- Page 18 OUTDOOR TEMPERATURE SENSOR INSTALLATION AIR IS PULLED The 58N66 Outdoor Temperature Sensor should be installed FROM OUTSIDE outside in a shaded location, or in the outdoor air intake duct NORMALLY CLOSED NORTH, EAST HVAC/FURNACE VENT DAMPER OR WEST SIDE OUTDOOR 6 ft OF HOME TEMPERATURE...
- Page 19 DETERMINE VENTILATION REQUIREMENTS Calculating Airflow Requirement 1 The MINIMUM ventilation requirement is calculated using ASHRAE 62 2-2010 ASHRAE Airflow in CFM = [House Area in Sq. Ft. x 0.01] + [(Number of Bedrooms +1) x 7.5] NOTE: Use ‘Number of Bedrooms + 1’ or ‘Number of Occupants’, whichever is larger.
- Page 20 Table 2 . CFM Delivered Negative Static Pressure ("w .c .) as Measured for Return Duct or Plenum 0 .05 0 .1 0 .15 0 .2 0 .25 0 .3 Duct Length Flex Pipe Flex Pipe Flex Pipe Flex Pipe Flex Pipe Flex...
- Page 21 SEQUENCE OF OPERATION Press the button When wired as shown in Figure 28, the ventilation damper to toggle between VENT will open whenever there is an HVAC heating (W), cooling TIMED, VENT AUTO-B, (Y) or fan (Gs) call, allowing fresh air to be brought in VENT AUTO-C and VENT when the HVAC blower is running (see Ventilation with AUTO-D (refer to page...
- Page 22 Troubleshooting IMPORTANT Troubleshooting and repairs shall be performed by a qualified HVAC service technician, and all safety procedures shall be followed Technical Support is available Monday through Friday, 6:30 a m to 6:30 p m CST, at 1-800-LENNOX (800-453-6669) Use the guides on the following pages to identify and correct system faults Contact Technical Support before replacing the unit or any components and for additional troubleshooting...
- Page 23 Table 4 . Diagnostic Codes Diagnostic Failure Mode Action Reset Code Internal Humidity 1 . Cycle power to clear error code Cycle Power or Temperature 2 . If error code reoccurs replace User Interface, Catalog No Y6459 Sensor Open or Shorted High Refrigeration 1 .
- Page 24 • Check the drain line blockages and for a continuous downward slope • For HCWHD5-080 and HCWHD5-100 only: Verify presence and condition of drain insert See Maintenance in Owner’s Manual for cleaning procedure Replace with Catalog No 22H26 if...
- Page 25 • Sealed electrical components shall be Y6456 Wall-mount Dehumidifier Service Instructions replaced, not repaired Control when the system enters mitigation mode, the Dehumidifier will SYMBOLS • Do not apply any permanent inductive continue normal operation or capacitance loads to the circuit without ensuring that this will not •...
- Page 26 Wiring Diagram Applicable to models: HCWHD5-080, HCWHD5-100, and HCWHD5-130 DEHUMIDIFIER WIRING SCHEMATIC WIRE HARNESS, POWER Technical Support contact information provided behind the wiring access panel cover on the user interface assembly, or in the installation guide. USER INTERFACE ASSY POWER CORD...
- Page 27 Service Parts HCWHD5-080 and HCWHD5-100 90-02815 No . Description Catalog No . No . Description Catalog No . EZK Filter, 13 5" x 11 875" x 0 875" 22H31 Wire Harness, Power 22H27 Internal Control Board Y6458 Sensor, Low Temperature...
- Page 28 Service Parts HCWHD5-130 90-2031 No . Description Catalog No . No . Description Catalog No . Filter, 14" x 19" x 1" EZK Y7120 Cover, Outlet Y6466 Internal Control Board Y6458 Fan, 130pt Deh, with 10MFD Capacitor Y7122 User Interface Assembly Y6459 Wire Harness, Power Y6469...
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