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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 qualified service technician.

3. Do not use in pool applications. Pool chemicals can

damage the dehumidifier.

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 dehumidifier 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 efficient

means of dealing with window condensation in the winter.

7. This appliance is not intended for use by persons

(including children) with reduced physical, sensory

or mental capabilities, or lack of experience and

knowledge, unless they have been given supervision

or instruction concerning use of the appliance by a

person responsible for their safety.

8. Children should be supervised to ensure that they

do not play with the appliance.

9. If the supply cord is damaged, it must be replaced

by a special cord or assembly available from the

manufacturer or its service agent.

Table of Contents

Safety Instructions

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Specifications

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Packaging Content

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Set Up Dehumidifier for Installation

. . . . . . . . . . . . . . 3

Duct Collars . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Control Location. . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Location Considerations

. . . . . . . . . . . . . . . . . . . . . . . 4

Suspended Installation

. . . . . . . . . . . . . . . . . . . . . . . . 5

Drain Installation – Model HCWHD4-080

and HCWHD4-100

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Leveling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Drain Installation – Model HCWHD4-130

. . . . . . . . . . 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 Dehumidifier 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 Dehumidifier 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 Schematic

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Service Parts

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

DEHUMIDIFIERS

508165-01

3/2021

Supersedes

507386-02

HEALTHY CLIMATE

DEHUMIDIFIERS

INSTALLATION INSTRUCTIONS FOR HEALTHY CLIMATE

DEHUMIDIFIER

MODEL HCWHD4-080, HCWHD4-100 AND HCWHD4-130

READ COMPLETE SAFETY INSTRUCTIONS AND INSTALLATION INSTRUCTIONS BEFORE STARTING

Содержание HCWHD4-080

Страница 1: ... a person responsible for their safety 8 Children should be supervised to ensure that they do not play with the appliance 9 If the supply cord is damaged it must be replaced by a special cord or assembly available from the manufacturer or its service agent Table of Contents Safety Instructions 1 Specifications 2 Packaging Content 2 Set Up Dehumidifier for Installation 3 Duct Collars 3 Control Loca...

Страница 2: ...on 50 F 104 F 40 F dew point minimum Ventilation 40 F 140 F 0 RH 99 RH non condensing Filter MERV 8 washable Airflow External Static Pressure w c Airflow CFM External Static Pressure w c Airflow CFM External Static Pressure w c Airflow CFM 0 0 185 0 0 280 0 0 310 0 2 135 0 2 245 0 2 270 0 4 85 0 4 210 0 4 225 0 6 175 0 6 175 0 7 160 Maximum design external static pressure Packaging Content 1 Dehum...

Страница 3: ...ion not being used See Figure 2 Make sure there are no bends in the duct coming off the outlet for a minimum of 4 This will ensure that the duct will not interfere with the backflow damper function Figure 1 Remove Shipping Bracket Figure 2 Fully Ducted Installations OUTLET COVER OUTLET DUCT COLLAR W BACK DRAFT DAMPER MOVE OUTLET COVER AND INSTALL OUTLET DUCT COLLAR TO TOP DISCHARGE LOCATION INLET ...

Страница 4: ...s will require the removal of the side panel shown Allow sufficient space for service on this side of the unit If locating the unit in an attic or crawl space a Lennox communicating thermostat or iComfort E30 and M30 CS7500 or a Y6456 Wall Mount Dehumifider Control mounted in the living space is recommended For attic installations it is recommended that the dehumidifier be suspended Always install...

Страница 5: ...ifier to the drain NOTE PTFE thread seal tape is recommended for the threaded connection and hand tighten only Remove drain insert before priming and gluing in the PVC fitting Replace drain insert after PVC glue has fully dried CAUTION Do not damage drain insert The drain insert is a critical feature of the dehumidifier drain management system WARNING Running the dehumidifier without the drain ins...

Страница 6: ...readed connection and hand tighten only The dehumidifier must use a field supplied drain trap Use Lennox trap Catalog No 49P66 or 91P90 or any 3 4 PVC SCH 40 P or J trap The trap must have a depth of 2 The use of blocks under the dehumidifier may be necessary to provide clearance Figure 12 Level the Unit 0 38 MIN 2 00 MAX 3 4 FNPT DRAIN 90 1885 Figure 10 Level the Unit 0 38 MIN 2 00 MAX 3 4 DRAIN ...

Страница 7: ... Grilles with 10 Duct Collars 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 When ducting return to supply allow adequate space before the first branch duct to ensure the warm dehumidified air is thoroughly mixed wit...

Страница 8: ...he dehumidification needs of the Primary Zone have been satisfied NOTE Dehumidifier controls will not work with iHarmony Zoning Systems IMPORTANT Normally Closed dampers must be installed in the ducts serving the Primary Zone and Normally Open dampers installed in the ducts serving the Secondary Zone Required Components 10 Duct and Fittings Grilles with 10 Duct Collars Drain Line Y6451 Zoning Kit ...

Страница 9: ...ute minimum on and off time NOTE All Lennox thermostats use reverse logic for dehumidification There is 24VAC between the DH and C terminals when there is no call for dehumidification Figures 21 22 show relay position when there is a call for dehumidification and 0VAC between the DH and C terminals Figure 21 24VAC Thermostat Connections Figure 22 Communicating Thermostat Connections Figure 20 Lenn...

Страница 10: ...ng used If an external control is used in a zoned application it must be located in the Primary Zone refer to TWO ZONE PRIMARY AND SECONDARY zoned installation on page 15 for details NOTE When using an external control there is a 3 minute delay at start up or whenever power is cycled to the dehumidifier CRAWL SPACE SEALED ATTIC CONTROL Used as crawl space or sealed attic control or wired remote co...

Страница 11: ...t be wired to the HVAC system to prevent short circuiting dehumidified air directly back to the dehumidifier inlet In return to supply ducting configuration running the HVAC fan with the dehumidifier ensures the warm dry air is mixed with room air before being discharged to the home NOTE Make sure the external static pressure does not exceed the maximums shown on page 2 and disable dehumidificatio...

Страница 12: ...to go to the ZONE screen selections System Set up and Checkout If dehumidifier installation does not include ventilation or zoning and will not be wired to an external control remote control or the HVAC system proceed to INSTALLER TEST MODE section on page 14 1 Check all wiring 2 Make sure the wire access cover has been snapped back onto the on board control 3 Plug unit in and turn power switch to...

Страница 13: ...ion select DISABLED and press MODE to go to the EXTERNAL control screen selections 90 1854 If installing the dehumidifier in a two zone application use the UP or DOWN arrows to select ENABLED and press MODE to go to the EXTERNAL control screen selections EXTERNAL CONTROL 90 1854 If using the dehumidifier on board control select DISABLED and press MODE to go to the dehumidification with air conditi...

Страница 14: ... and TEST will show on the display If wired to the HVAC system the HVAC blower will turn on and if there is are damper s wired to the DEH DAMPER terminals of the control the damper s will energize 90 1854 After three 3 minutes the dehumidifier compressor will turn on and DEHUMIDIFYING will replace AIR SAMPLING on the control screen 90 1854 90 1854 After one minute of compressor operation all outpu...

Страница 15: ...to show that the Y6456 is calling for dehumidification The dehumidifier and HVAC blower if on will turn off when the RH measured by the Y6456 drops 3 RH below the setting CRAWL SPACE OR SEALED ATTIC REMOTE CONTROL USING Y6456 1 Press the ON OFF button to turn the dehumidifier control ON REMOTE will show on the display to indicate that a remote control is wired to the dehumidifier 2 At the Y6456 pr...

Страница 16: ...entilation is only allowed during a HVAC heat call Vent Auto C Ventilation prevented when outdoor temperature is below 0 F and above 100 F Vent Auto D Ventilation prevented when outdoor temperature is below 0 F and above 90 F Between 0 F 40 F ventilation is only allowed during a HVAC heat call Vent Auto B C D modes apply outdoor temperature limits and require the 58N66 Outdoor Temperature Sensor t...

Страница 17: ...ne Fresh Air Delivery Rate 1 Measure the negative static pressure of the return system at the location where the fresh air intake duct enters the return duct or dehumidifier inlet 2 See Table 2 for estimated inlet airflow in CFM based on duct type length and available negative pressure Use an airflow measuring device for a more accurate airflow delivery rate 3 Record the delivered CFM ________ Fig...

Страница 18: ...40 INSTALLER SETTINGS 90 1854 With the dehumidifier power switch on press the ON OFF button to turn the dehumidifier off 90 1854 Press and hold the MODE button for 3 seconds to access the installer settings menu Press and release the MODE button repeatedly until the VENT DISABLED screen appears 90 1854 Press the UP or DOWN button to ENABLE ventilation then press the MODE button to set Timed or Aut...

Страница 19: ...ting the dehumidifier compressor will turn on to remove moisture Ventilation with an External Control When an external control is installed the dehumidifier will open the ventilation damper only when there is a cooling call Y or when the dehumidifier is operating unless the ventilation need has not been met If the set amount of ventilation time has not been met before the end of the one hour cycle...

Страница 20: ...and ON the humidity measured by the internal sensor while also displaying RH and ON and the frost sensor temperature while also displaying ON Scroll through these values and by using the UP DOWN arrow buttons 7 Record values and call Technical Support Cycle Power E5 High Temperature Thermistor Failure 1 Check the high temperature sensor connection at the power board Terminal should be fully seated...

Страница 21: ...4 VAC transformer If wired for Two Zone operation verify that 24 VAC transformer is 40 VA minimum Check all wiring connections between dampers and control board Verify the normally closed dampers are in the Primary Zone duct system and the normally open dampers are in the Secondary Zone duct system The ventilation damper does not open when the HVAC fan is active Cycle time has been met The damper ...

Страница 22: ...L GRN BLK BLK WHT BLK WHT N L WHT BLU RED YEL YEL BLK WHT BRN WHT BLK WHT BLK RED FAN B C COMPRESSOR PCB ASSY INTERNAL CTRL SWITCH ON OFF WIRE HARNESS POWER POWER CORD USER INTERFACE ASSY CAPACITOR COMPRESSOR CAPACITOR FAN SENSOR LOW TEMP SENSOR HI TEMP Wiring Schematic HCWHD4 080 HCWHD4 100 or HCWHD4 130 B2206629B ...

Страница 23: ...63 8 Backflow Damper 10 Deh Y6464 9 Inlet Duct Panel Deh Y6465 10 Cover Outlet Deh Y6466 11 Fan 80pt Deh 22H29 Fan 100pt Deh 22H28 No Description Catalog No 12 Wire Harness Power Deh 22H27 13 Sensor Low Temperature Deh Y6470 14 Sensor High Temperature Deh Y6471 15 Leveling Foot Deh Y6472 16 Capacitor Run 50μF Y6473 17 Capacitor 6MFD 250VAC 80pt Deh 22H25 Capacitor 12MFD 450VAC 100pt Deh Y6475 18 D...

Страница 24: ...60 5 Hole Cover UI Ctrl Deh Y6461 6 Door Filter Access Deh Y7121 7 Outlet Duct Panel Deh Y6463 8 Backflow Damper 10 Deh Y6464 9 Inlet Duct Panel Deh Y6465 No Description Catalog No 10 Cover Outlet Deh Y6466 11 Fan 130pt Deh with 10MFD Capacitor Y7122 12 Wire Harness Power Deh Y6469 13 Sensor Low Temperature Deh Y6470 14 Sensor High Temperature Deh Y6471 15 Leveling Foot Deh Y6472 16 Capacitor 50MF...

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