Whirlpool WGDV160UH, WPDH160XS, WPDV160XS, WGDH160UH User Manual
WHOLE HOUSE DEHUMIDIFIER
INSTALLATION INSTRUCTIONS
Table of Contents
WHOLE HOUSE DEHUMIDIFIER SAFETY................................... 1
INSTALLATION REQUIREMENTS ................................................ 2
Tools and Parts ............................................................................2
Location Requirements................................................................2
Installation Configurations ...........................................................4
Ductwork Requirements ..............................................................5
Electrical Requirements ...............................................................5
INSTALLATION INSTRUCTIONS .................................................. 5
Inspect Shipment ......................................................................... 5
Install Dehumidifier—Existing Furnace or Air Handler.................6
Install Dehumidifier—Existing Furnace or Air Handler
with Fresh Air Duct.......................................................................7
WHOLE HOUSE DEHUMIDIFIER SAFETY
Your safety and the safety of others are very important.
We have provided many important safety messages in this manual and on your appliance. Always read and obey all safety
messages.
Install Dehumidifier—Existing Furnace or Air Handler
with Dry Air to the Basement or Crawl Space .............................8
Install Dehumidifier—Attic Installation .......................................10
Complete Installation..................................................................11
Make Electrical Connections .....................................................11
SEQUENCE OF OPERATION ......................................................14
Whole House Dehumidifier.........................................................14
WHOLE HOUSE DEHUMIDIFIER MAINTENANCE....................14
Pre-filter ......................................................................................14
HEPA or MERV 11 Air Filter .......................................................14
Fresh Air Return..........................................................................15
UVC Germicidal Light.................................................................15
ASSISTANCE OR SERVICE .........................................................16
This is the safety alert symbol.
This symbol alerts you to potential hazards that can kill or hurt you and others.
All safety messages will follow the safety alert symbol and either the word “DANGER” or “WARNING.”
These words mean:
You can be killed or seriously injured if you don't immediately
DANGER
WARNING
All safety messages will tell you what the potential hazard is, tell you how to reduce the chance of injury, and tell you what can
happen if the instructions are not followed.
Whirlpool Gold®Models WGDH160UH and WGDV160UH
Whirlpool® Models WPDH160XS and WPDV160XS
400-1014
follow instructions.
can be killed or seriously injured if you don't
You
instructions.
follow
INSTALLATION REQUIREMENTS
These instructions are intended as a general guide only for use by
qualified persons and do not supersede any national or local
codes in any way. Compliance with all local, state or national
codes pertaining to this type of equipment should be determined
prior to installation.
Read this entire instruction manual as well as instructions
supplied with separate equipment before starting the installation.
The installation of the whole house dehumidifier must conform to
the requirements of the National Fire Protection Association, the
National Electrical Code, ANSI/NFPA No. 70 (latest edition) in the
United States, and any state laws, local ordinances (including
plumbing or wastewater codes). Local authorities having
jurisdiction should be consulted before installation is made. Such
applicable regulations or requirements take precedence over the
general instructions in this manual.
Tools and Parts
Gather the required tools and parts before starting installation.
Read and follow the instructions provided with any tools listed
here.
Tools Needed
■ Locking pliers
■ Drill and drill bit
Parts Supplied
■ Grommet plugs (4)
■ Screwdriver
■ Tin snips
Install the conditioned air plenum, ducts and air filters (not
provided) in accordance with NFPA 90B Standard for the
Installation of Warm Air Heating and Air-Conditioning Systems
(latest edition).
The whole house dehumidifier is designed and approved for
indoor use only.
It is recommended that the whole house dehumidifier be
matched to the HVAC system to ensure proper operation and
efficient performance.
Refer to the rating plates located on the whole house
dehumidifier and on the HVAC system.
It is recommended that the whole house dehumidifier be
connected to only one existing HVAC system. If there are multiple
HVAC systems in the building, use one dehumidifier per system.
Parts Needed
■ Sheet metal screws
or rivets
■ Shop-fabricated sheet
metal turning vanes,
offsets, and transitions,
if needed
Check local codes and HVAC supplier. Check existing electrical
supply, and read “Electrical Requirements” and “Location
Requirements” before purchasing parts.
■ Sealant
■ Insulated flexible duct
■ ³⁄₈"-16 all-thread rod for
suspended applications
■ Insulated duct for fresh air
ventilation
Location Requirements
■ The dehumidifier may be installed on all new or existing
furnaces or air handlers used in residential applications.
■ The whole house dehumidifier is designed to be located
indoors.
■ Locate the whole house dehumidifier as close to the return air
duct of an existing furnace or air handler as possible to
minimize the required ductwork for connecting the
dehumidifier to the existing furnace or air handler.
■ The location should allow for access to the filter access panel
at the front of the dehumidifier for inspection and replacing
the filter. See the Minimum Clearance Requirements chart.
■ The location must allow for access to the electrical access
panel for servicing and maintenance.
■ Locate the whole house dehumidifier in an area where the
temperature is between 40ºF (4ºC) and 125ºF (52ºC). If the
dehumidifier is located in an area of extreme heat or high
humidity, additional external insulation may be required to
prevent condensation on the exterior of the dehumidifier.
■ If the dehumidifier is located above a living area or above an
area where water leakage may cause damage (see local
codes for other requirements), a secondary drain pan must
be installed under the dehumidifier.
■ The controls for the whole house dehumidifier are remote
from the dehumidifier and must be located in the space that
is to be conditioned. The controls are low voltage (24-volt)
and should be connected to the dehumidifier with code
approved, low voltage thermostat cable.
■ If the dehumidifier is located directly on structural building
members, use vibration absorbers/eliminators.
Minimum Clearance Requirements
For Optimum Service Access
Front 24"
Rear 12"
Blower End 12"
Top 12"
2
Horizontal Installation Dimensions
A
16"
22¹⁄₂"
20⁵⁄₈"
18⁷⁄₈"
I
20⁵⁄₈"
HF
Left-Side View Front View Right-Side View
A. Suspension holes for
B. 10" round discharge air outlet
C. Low voltage entry
³⁄₈
"-16 all-thread rod (4)
D. Line voltage entry
E.
F. Electrical access panel
Vertical Installation Dimensions—Upflow/Counterflow
32"
Top View
49"
G
³⁄₄
" PVC condensate drain outlet
A
B
22¹⁄₂"
C
D
E
G. Internal component access panel
H. Filter access panel
I. Duct flange on return air inlet
I
A. Return air inlet
B. Filter access panel
C. Low voltage entry
21³⁄₁₆"
A
A
22"
B
H
Top View
B
G
19⁵⁄₈"
24" Minimum
Clearance for Optimum
Service Access
56"
C
22¹⁄₄"
E
F
D. Line voltage entry
E. Right-side discharge air outlet
cover
F. Electrical access panel
F
G. Internal component access panel
H.
³⁄₄
" PVC condensate drain outlet
I. 10" round discharge air outlet, left side
(shipped right, convertible to left or rear)
D
Right-Side ViewFront View
E
3
Installation Configurations
B
A
C
For ease in installation, it is best to make any necessary
configuration changes before setting the dehumidifier in place.
See “Installation Configuration Options” for the specific
installation.
Vertical Installations
Counterflow/Side Discharge
The dehumidifier must be supported on the bottom only and set
on a field-supplied supporting frame with a return air inlet
opening. Securely attach the dehumidifier to the supporting
frame.
Installation Configuration Options
Suspended Cabinet Installation
NOTE: Ensure there is adequate room to remove the dehumidifier
access panels. See Minimum Clearance Requirements chart in
“Location Requirements.”
■ The suspending installation uses field-fabricated ³⁄₈"-16 all-
thread rod passing through the top panel and connected to
the dehumidifier base.
■ The ³⁄₈"-16 all-thread rod should be attached to the
appropriate lengths of angle iron or equivalent structural steel
which is attached to building structure capable of supporting
the weight of the dehumidifier.
■ If the dehumidifier is not suspended by ³⁄₈"-16 all-thread rod,
use the grommet plugs to cover the holes in the grommets.
Installation Configuration Options
A
A
C
A. Left discharge
B. Right discharge
C. Rear discharge
Horizontal Installations
Horizontal installations can be only right-hand air supply. The
cabinet must be supported by the building structure to ensure
cabinet integrity. Ensure that there is adequate room to remove
the access panels if installing in the horizontal position. See
Minimum Clearance Requirements in “Location Requirements.”
Installation Configuration Options
B
A.
³⁄₈
"-16 all-thread rod
B. Grommet
C. Top panel
A
B
C
A. Left to right airflow
³⁄₈
"-16 all-thread rod
A.
³⁄₈
" threaded hole
B.
C. Dehumidifier base
4
Ductwork Requirements
Install the conditioned air plenum, ducts and air filters (not
provided) in accordance with NFPA 90B Standard for the
Installation of Warm Air Heating and Air-Conditioning Systems
(latest edition).
For the best performance, draw air from the central part of the
building and return it to the outer areas of the building.
Insulated flexible duct may be used on the discharge air supply
side of the dehumidifier to reduce air noise from the fan.
Flexible duct is recommended on all connections to reduce noise
and vibration transmitted to rigid ductwork in the building.
Duct Size
■ For supply duct lengths up to 25 ft, use a minimum of 10"
diameter round or equivalent rectangular duct. For return
duct lengths up to 25 ft, use a minimum of 12" diameter
round or equivalent rectangular duct.
■ For supply duct lengths longer than 25 ft, use a minimum of
12" diameter or equivalent rectangular duct. Grilles or
diffusers installed on the duct ends should not restrict airflow.
For return duct lengths longer than 25 ft, use a minimum of
14" diameter round or equivalent rectangular duct.
■ For two or three isolated areas that do not have any heat or
air conditioning ductwork, use a minimum of 8" diameter
branch duct to each area.
■ For four or more isolated areas with stagnant air, use a
minimum of 6" diameter branch duct to each area.
Electrical Requirements
WARNING
Electrical Shock Hazard
Use 12 gauge solid copper wire.
Electrically ground dehumidifier.
Connect ground wire to green ground lug.
Failure to follow these instructions can result in death,
fire, or electrical shock.
Recommended Grounding Method
■ A 110- to 120-volt, 14.5 FLA amps, 60 Hz, AC only 20-amp
fused, grounded electrical supply is required.
■ All field wiring must be done in accordance with National
Electrical Code requirements, applicable requirements of UL,
or local codes, where applicable.
INSTALLATION INSTRUCTIONS
WARNING
Fire Hazard
Read and follow all instructions provided for
installation, service, alteration, or maintenance.
Failure to follow these instructions can result in death
or fire.
Inspect Shipment
WARNING
Excessive Weight Hazard
Use two or more people to move and install
dehumidifier.
Failure to do so can result in back or other injury.
This whole house dehumidifier is shipped in one package,
completely assembled and wired.
1. Check the dehumidifier rating plate to confirm specifications
are as ordered.
2. Upon receipt of equipment, inspect it for possible shipping
damage. Examine the dehumidifier inside the carton if the
carton is damaged.
If damage is found, it should be noted on the carrier’s freight bill.
Damage claims should be filed with the carrier immediately.
Claims of shortages should be filed with the seller within 5 days.
NOTE: If any damages are discovered and reported to the carrier,
do not install the dehumidifier, because your claim may be
denied.
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