Ultra-air 100V Installer'S & Owner'S Manual Download

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crawlspace. Duct the other side of the tee to the air return of the
existing HVAC system. If the existing HVAC system has a central
return, duct the other side of the tee to the air supply of the existing
HVAC system. Connect a duct from outside to the 6" collar of the
Ultra-Aire if you wish to provide fresh make-up air.

3.4E Installation in an Attic with an Existing Forced

Air HVAC System
ALWAYS install a catch pan for condensate under the

Ultra-Aire in an attic or condensate may drip down on

the ceiling of the living space below.

Locate a separate return for the Ultra-Aire in a central area of the
structure. Duct the supply of the Ultra-Aire to the air supply of the
existing HVAC system. If the existing HVAC system has a central
return, duct the supply of the Ultra-Aire to the air supply of the
existing HVAC system. Connect a duct from outside to the 6" collar
of the Ultra-Aire if you wish to provide fresh make-up air.

3.4F Installation in a Structure with Two Forced Air

HVAC Systems

Attach the Ultra-Aire return to to a independent return from the
upper level. Attach the Ultra-Aire supply to the supply of the
basement HVAC system. This will promote circulation of air through
the whole structure from the upper level to the lower level through
the Ultra-Aire . If the Ultra-Aire is not connected to both HVAC
systems, it will not control the humidity and ventilation of the entire
structure. Connect a duct from outside to the 6" collar of the Ultra-
Aire if you wish to provide fresh make-up air.

3.4G Installation in a Structure with No Existing

Forced Air HVAC Systems

When installing the Ultra-Aire in a structure that does not have a
forced air HVAC system, a single return for the Ultra-Aire should
be installed in central open area of the structure.

DO NOT

locate

the return in a bathroom or a kitchen. The supply of the Ultra-
Aire should be located in the remote areas of the structure (such
as bedrooms, den, etc.). By ducting this way the air inside the
structure will circulate through the Ultra-Aire to be filtered and
dehumidified. Connect a duct from outside to the 6" collar of the
Ultra-Aire if you wish to provide fresh make-up air.

3.5 Quiet Installation

A length of 10 feet or more of acoustical flex ducting on the outlet of
the Ultra-Aire will reduce air noise from the blower. A length of flexible
ducting on all Ultra-Aire duct connections is recommended to reduce
noise and vibration transmitted to rigid ductwork in the structure.

4. Controls

All control panels should be mounted in a central area of the 4.
Controls

The Ultra-Aire can be equipped with various accessories to
enhance its operation. A remote control must be used with the
Ultra-Aire. ThermaStor offers the DEH 3000 proprietary controller.
The DEH 3000 allows homeowners the ability to monitor and
control relative humidity levels in their home. This control is also
offered witha remote sensing option.

WARNING:

DO NOT

allow the yellow lead from

the unit to contact the red lead or the white lead from
the unit or damage to the transformers will result.

The UA dehumidifier is controlled using five color-coded wires.

Green (or brown)

= Fan control

Blue

= Dehumidification (fan and compressor) control

Red

= 24volt AC power transformer neutral side (common with white)

White

= 24volt AC power transformer neutral side (common with red)

Yellow

= transformer high side

Between the red/white lead and the yellow leads is a 40VA trans-
former. This low voltage power source powers the relay coils which
control the fan and compressors. This 24VAC transformer can also
be used to power HVAC assessories external to the dehumidifier.
• To turn the dehumidifier on make contact between yellow and

blue wires.

• To turn the fan on make contact between yellow and green(or

brown) wires.

• To power an HVAC accessory, connect the accessory to the

white (or red) wire and the yellow wire.

FOR HVAC INSTALLER ONLY

Ultra-Aire 100V Installer’s & Owner’s Manual

Ultra-Aire

Dehumidifier

RED

YELLOW

BLUE