CellarPro 1800 series cooling units are self-contained and fully-charged. They are designed to be installed through-the-wall or just above the cellar in an air-conditioned space (ie. not a hot attic or other unconditioned space)
1800 series units cannot be front ducted but certain models (XT and XTS) offer rear ducting with the purchase of the rear duct hood or rear duct kit add-on.
On the cold side, this unit intakes from the front and exhausts cold air from the bottom (so the front 8 inches of the cooling unit must be inside the cellar.)
This unit requires fresh air intake at the rear.
If the fresh air intake (on the hot side) will receive air below below 40°F, you will require a compressor heater (see add-on options above).
If the fresh air intake (on the hot side) will pull air below 20°F, down to -20°F, you must add both the compressor heater and fan cycling switch (see add-on options above).
This unit must always be installed and operated in an upright position.
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