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Ultra-Aire XT155H Installation Instructions
www.Ultra-Aire.com | 1-800-533-7533
Important Precautions
• The device is designed to be installed indoors in a space that is protected from rain and flooding.
• Install the unit with enough space to access one of the side panels for maintenance and service.
• Avoid directing the discharge air at people.
• If used near a water source; be certain there is no chance the unit could fall into the water or get splashed and
that it is plugged into a dedicated circuit and Ground Fault Circuit Interrupter (GFCI) protected outlet.
• DO NOT use the dehumidifier as a bench or table.
• DO NOT place the dehumidifier directly on structural building members without vibration absorbers or unwanted
noise may result. Place the Ultra-Aire XT155H on supports to raise the base of the unit.
• A drain pan MUST be placed under the dehumidifier if installed above a living area or above an area where
water leakage could cause damage.
Location Considerations
• Allow sufficient clearance to handle the unit’s overall dimensions as well as the necessary return and supply
ductwork to the unit.
• Allow sufficient clearance for filter removal and to prevent airflow obstruction.
• Electrical service access will require the removal of a side panel. Allow sufficient clearance on a side of the unit.
• Locate the dehumidifier in an area where the cord’s length (9') easily reaches a 115 VAC electrical outlet with a
minimum of a 15 Amp circuit capacity.
• Locate the dehumidifier in an area where field wiring the control (low voltage) to the unit will be possible.
• It is recommended that a
backdraft damper be used in
the discharge duct of the
Ultra-Aire XT155H, especially
when connecting to the supply
ducting system. The backdraft
damper prevents supply air
from counter flowing through
the Ultra-Aire XT155H when
it is not operating. The
dehumidifier’s location should
be chosen to allow installation
of this accessory if necessary.
• The Ultra-Aire XT155H may
be suspended from structural
members with steel hanger
straps or a suitable alternative,
ensuring the assembly
supports the dehumidifier’s
base in its entirety. DO NOT
hang the Ultra-Aire XT155H
from its cabinet.
• Allow for proper routing and
drainage of needed drain pipes.
Electrical Service Access
(Either Side)
Filter
9' Power Cord
Top View
Minimum
Clearance
For Filter
(Either Side)
15"
6" Fresh Air Intake (Optional)
10" Return Air Duct
10" Supply Air Duct
A
B
C
32 3/8"
With Collars Installed
26"
Without Collars Installed
B
C
Drain Port
A
Top View
32 3/8"
With Collars Installed
26"
Without Collars Installed
Drain Port
9' Power Cord
Filter
Minimum
Clearance
For Filter
(Either Side)
20"
6" Fresh Air Intake (Optional)
10" Return Air Duct
A
B
6” Fresh Air
Intake (Optional)
10” Return Air Duct
Electrical Service Access
(Either Side)
A
B
The 10” Supply Air Duct (not pictured) is
below the Fresh Air Intake and the Return
Air Duct. The same amount of clearance
is needed for the 10” Supply Air Duct.
DEHUMIDIFIER SET UP
