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Horizon Series Owner’s Manual 4
Installation
The area to be controlled should be sealed with a vapor barrier. If installed in a crawlspace,
all vents should be sealed.
WARNING: It is recommended to remove dehumidifier from area if applying a liquid
vapor barrier. Some coatings dry via “solvent evaporation,” which can be harmful to certain
components in your dehumidifier. Allow coating to completely dry and exhaust vapors prior
to positioning dehumidifier. Read and follow coating manufacturer’s instructions completely.
Place dehumidifier on level surface
If necessary, the legs have some adjustment to help level the unit.
o NOTE: On units with optional integral pump, an additional pair of legs is
provided to give further adjustment (up to 3”)
WARNING – If after unit is positioned, it is moved in such a manner that the compressor
didn’t remain in a vertical orientation, wait a minimum of 2 hours before turning the unit
“on.”
Drain Line
o Standard Unit - Route drain line (3/4” ID tubing) to drain or outside of the area.
Drain line must have a downward slope to drain or condensate pump. Drain
fitting on units is ¾” MPT.
NOTE: If you plan on using a section of garden, it will most
likely be necessary to purchase a ¾” FPT x ¾” MGH adapter at
a local hardware store to create a leak-free joint.
Optional Unit with PK Kit – See Instructions included with “PK” Pump Kit
Plug unit into 15 amp grounded outlet.
To operate unit, turn humidistat knob clockwise until unit energizes.
o Confirm compressor is running and allow to run for minimum of 15 minutes
If under 70°F, a layer of ice will form on evaporator coil
If over 70°F, a layer of frost or water droplets will form on coil
After you’ve confirmed satisfactory operation of unit, humidistat should be set at
desired position for automatic operation.
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