General 1300 Owner's Manual
WHOLE HOUSE
DEHUMIDIFIER
Installation, Operating, and
Maintenance Manual
Installation, Operation, and Maintenance Instructions
Contents Page
1. Safety..........................................................................2
a.Labeling...................................................................2
b.Instructions ..............................................................2
2. Storage .......................................................................3
3. Specifications .............................................................3
4. Installing the Equipment ............................................. 3
a.Unit Location ...........................................................3
b.Mounting ..................................................................3
c.Condensate Drain ...................................................4
d.Ducts........................................................................ 4
5. Electrical .....................................................................4
a.Power Wiring ...........................................................5
b.(Alternate) Remote Dehumidistat............................ 5
c. Controls Connections ..............................................6
d.Damper Connection ................................................7
6. Operation .................................................................... 8
a.General .................................................................... 8
b.Process....................................................................9
c.Sequence ................................................................ 9
i.Unit controls ........................................................... 9
ii. Wall control ........................................................10
iii. Frost control ......................................................10
d.Initial Set Up ..........................................................10
7. Maintenance ............................................................. 11
a.Filter....................................................................... 11
8. Troubleshooting........................................................ 11
9. Wiring Diagram.........................................................12
10. Physical Dimensions .............................................. 12
SAFETY LABELING
DANGER!, WARNING! and CAUTION!
These words are used to identify levels of hazard
seriousness as follows:
DANGER! Signifies an immediate hazard which
will
result in severe personal injury or death.
WARNING! signifies hazards or unsafe practices which
could result in severe personal injury or death
CAUTION! Signifies hazards or unsafe practices which
could result in minor personal injury or product and/or
property damage.
SAFETY INSTRUCTIONS
WARNING!
This dehumidifier must be installed by a qualified heating,
ventilation, and air conditioning professional in
compliance with all codes, local and national. Failure to
comply with this WARNING!
could result in severe
personal injury or death.
WARNING!
Electrical shock hazard. Disconnect electrical power
before starting installation.
WARNING!
Equipment must be grounded electrically in compliance
with National Electric Code and local codes.
WARNING!
Handle unit with care using adequate manpower or
equipment to lift and avoid injury to personnel and/or
equipment.
CAUTION!
Failure to install this dehumidifier in compliance with
the instructions contained herein, could result in
unsatisfactory operation and/or damage to the product.
CAUTION!
Unit must be installed in compliance with all codes.
CAUTION!
For proper operation, external static pressures across the
unit must not exceed .6 in. w.c.
2
SPECIFICATIONS
Capacity Pints per day @ 80°F DBT/60% RH 130
Unit Power Supply Volts/Phase/Hz 1 15/1/60
Minimum Circuit Ampacity 13.1
Maximum Fuse 15 amp
Dimensions Length (overall) 30.00 in. (includes duct collars)
Length (cabinet only) 24.00 in.
Width 25.25 in.
Height 20.50 in.
Weight Pounds net 150
Compressor Qty/Type 1/Rotary
Watts/RLA/LRA 1070/9.5/61
Refrigerant R22
Fan Motor Qty/HP/FLA 1/0.1/1.15
Air Flow CFM @ .6 in. w.c. e.s.p. 400
Filter Type/size(in.) Washable nylon/17x23.5
Cabinet Insulation Type/thickness EPDM/1 in.
R V alue 4.2
Duct Connection Inlet/Outlet 8 in. diameter duct
Drain Pan Material Stainless steel
STORA G E
Temporary storage must be indoors, upright in the
original carton, and completely shielded from
precipitation.
INSTALLING THE EQUIPMENT
UNIT LOCA TION
Unit location is very important as it will determine
the overall length of the connection ducts. Locate
the unit as close as possible to the indoor portion
of the resident’s air conditioning unit or air
handling unit, in the attic, basement, garage, or
equipment room. The dehumidifier may be placed
above, below or level with the air handing unit;
however, removal of condensate must be
considered when determining the location.
If the unit is mounted above a ceiling or in an
attic, a secondary drain pan under the entire unit
is recommended. This pan should have a visible
overflow drain that will alert the end user that a
problem exists with dehumidifier’s primary
drainage system.
Place the unit in a location that will allow a
minimum of 22" clearance for filter removal and
service access. This clearance is required on only
one side of the unit since the filter is removable
from either side. Allow adequate clearance to
walls for normal unit service.
CAUTION!
Do not install the unit outdoors or in a
location where it will be subjected to
precipitation of any kind.
MOUNTING
The unit may be mounted on a flat surface or
suspended. If mounted on a flat surface use the
four rubber mounting feet provided. To minimize
unwanted vibration select a level mounting
surface. Adjust the four mounting feet to
compensate for any irregularities in the surface.
Ensure that the unit is sitting on all four feet. To
suspend the unit a separate hanger kit (WHD-14)
is required. This kit consists of four brackets and
four rubber isolators. Threaded rod or other
means of suspension must be provided by the
installing contractor and must be selected based
on the unit weight, in compliance with local codes.
3
Suspended unit utilizing
optional hanging kit
be in compliance with local codes and be
complete, tight, and leak free.
Ducts should be as short as possible, not to
exceed 100 ft. equivalent length and supported in
compliance with the manufacturer’s
recommendation.
CAUTION!
All duct connections must be sealed. Any
leakage in the duct work will adversely affect
the operation of the dehumidifier and may
lead to unsatisfactory performance.
DAMPERS
Optional dampers may be installed in the outlet
duct, inlet duct, or in an outside air duct. These
dampers must be full flow motorized type. Do not
use any type of pressure operated damper as
unacceptable pressure drop will affect unit
operation. All dampers must be installed in
compliance with the manufacturer’s
recommendations and be insulated, and sealed
per the section on ducts, above.
CONDENSA TE DRAIN
The condensate drain must be trapped external to
the unit. The trap dimensions must be equivalent
to the dimension of the trap on the associated air
conditioner air handling unit to prevent water
being removed from the trap when the A/C unit is
running.
A drain line must be attached to the trap outlet
and pitched away from the unit a minimum of 1/8"
per foot to allow the condensate to flow away
from the unit.
DUCTS
The unit is furnished with two beaded 8" round
collars for duct connections to the inlet and the
outlet of the dehumidifier. These are located
inside the unit and must be attached to the unit by
the installer using screws and gasket or caulking.
Center the collars over the inlet and outlet
openings in the cabinet.
Insulated flexible ducts in compliance with
Underwriter’s Laboratory’s (UL) Standard for
Factory Made Duct Materials, UL-18 and installed
per the manufacturer’s recommendation should
be used to connect the dehumidifier to the air
conditioner. The installation and connections must
ELECTRICAL
POWER WIRING
WARNING!
Turn off electrical power at the fuse or
service panel before making any electrical
connections. The ground connection must
be completed before making line voltage
connections. Failure to do so can result in
electrical shock, severe personal injury or
death. The dehumidifier must be installed so
that the electrical components are protected
from water from any source.
WARNING!
The cabinet must be permanently
grounded. Connect the ground wire to the
Ground terminal provided in the unit. Failure
to ground the cabinet can result in fire,
electrical shock, personal injury or death.
The electrical supply requirements are listed on
the unit rating plate and in the specification table
above.
4
Use a separate fused branch electrical circuit
containing a properly sized fuse or circuit breaker.
Run this circuit directly from the main circuit box
to an electrical disconnect which must be readily
accessible and located within sight of the
dehumidifier. Connect from the disconnect to the
electrical connection within the dehumidifier
utilizing the hole sized for 1/2" conduit provided
on the entering air end of the unit.
WARNING!
L (hot) and N (neutral) polarity must be
observed when making the electrical
connection to the unit.
Installation of the electrical supply line must be in
accordance with the National Electric Code, ANSI/
NFPA No. 70, latest edition, or Canadian
Electrical Code Part 1-CSA Standard C22.1 and
local building/electric codes, using copper
conductors only.
(AL TERNA TE) REMOTE DEHUMIDIST A T
The dehumidifier is supplied with its own, self
contained, dehumidistat control which includes an
air sampling sequence; however, the unit can also
be controlled by a remote dehumidistat located in
a conditioned space. DO NOT LOCATE THE
DEHUMIDISTAT IN THE DUCTWORK. It is
recommended that the remote dehumidistat, if
used, be located in an area close to the air
conditioner thermostat, out of drafts, away from
heat sources, and out of direct sunlight. It should
be located approximately 5 feet above the floor in
an area with good air circulation at average
temperature and relative humidity.
Remove the jumper on terminals S1 and S2 and
connect the remote dehumidistat as shown on the
unit connection diagram.
INST ALLA TION OPTIONS
The dehumidifier can be connected so that the dehumidifier and the central air
conditioner fan operate totally independent of each other (independent
operation) or it can be connected in such a manner as to require that the
dehumidifier and the central fan operate simultaneously (dependent operation).
INDEPENDENT OPERA TION
DUCT CONNECTIONS (Independent
Operation)
In this arrangement, the dehumidifier is connected
across, or in parallel with the air conditioner air
handler. The discharge of the dehumidifier is
connected to the discharge of the air handler, and
the inlet connection of the dehumidifier is
connected to the inlet duct of the air handler.
When the dehumidifier is connected for
independent operation, the central air conditioner
fan and the dehumidifier fan CANNOT operate
simultaneously.
Dehumidifier Connected for Independent
Operation with Horizontal Air Handler/Furnace
• Dehumidifier installed in attic (sitting on floor or
suspended from roof rafters
• Piped parallel to air handler
• Independent operation (furnace blower and
dehumidifier do not operate at the same time)
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