Ultra-Aire 70H Installation Instructions Manual
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Ultra-Aire 70H Installation Instructions Manual

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Installation Instructions
INSTALLATION BY A HVAC PROFESSIONAL IS RECOMMENDED
The Ultra-Aire 70H is a whole house ventilating dehumidifier that
is integrated into the heating and cooling system to provide the
ultimate in comfort, health and property protection through:
• Dehumidification
• Fresh Air Ventilation (Optional)
• Air Filtration
HVAC Installer: Please Leave Manual for Homeowner
P/N: 4033730
Serial No.:
Sold by:
YEAR
FULL WARRANTY
YEAR
FULL WARRANTY
Install Date:
TS-781 4/27/16

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Summary of Contents for Ultra-Aire 70H

  • Page 1 Installation Instructions INSTALLATION BY A HVAC PROFESSIONAL IS RECOMMENDED The Ultra-Aire 70H is a whole house ventilating dehumidifier that is integrated into the heating and cooling system to provide the ultimate in comfort, health and property protection through: • Dehumidification •...

  • Page 2: Table Of Contents

    Controls ..................19 Air Filtration ................21 Service ..................23 Warranty ..................26 Ultra-Aire is committed to manufacturing quality products. To maintain our standards, product specifications may change without notice. 4201 Lien Rd. Madison, WI 53704 1-800-533-7533 www.Thermastor.com | www.Ultra-Aire.com...

  • Page 3: Safety Instructions

    THIS SYMBOL MEANS IMPORTANT INSTRUCTIONS. FAILURE TO HEED THEM CAN RESULT IN INJURY OR MATERIAL PROPERTY DAMAGE. Registrations The Ultra-Aire 70H conforms to unified standard UL 60335-2-40 and CSA Standard C22.2.60335-2-40. WARNING! 120 VOLTS MAY CAUSE SERIOUS INJURY FROM ELECTRIC SHOCK.

  • Page 4: Specifications

    28" 22" 31 5/8" Weight: 55 lbs. 54 lbs. 65 lbs. 28" With Collars Installed 22" 12" 12" Without Collars Installed 8" 8" 8" 8" 12" 12" Front View Side View Rear View Ultra-Aire 70H Installation Instructions www.Ultra-Aire.com | 1-800-533-7533...

  • Page 5: Optional Accessories

    4020646 8" Butterfly Damper 4027415 8" Flex Duct 25' 4020177 8" Flex Insulated Duct 25' Items Included in Box: • Ultra-Aire 70H Dehumidifier • Ultra-Aire 70H Installation Instructions • Ultra-Aire 70H Leveling Feet www.Ultra-Aire.com | 1-800-533-7533 Ultra-Aire 70H Installation Instructions...

  • Page 6: Dehumidifier Set Up

    • DO NOT place the dehumidifier directly on structural building members without vibration absorbers or unwanted noise may result. Place the Ultra-Aire 70H 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.

  • Page 7: Attaching Duct Collars

    8" Supply Air Outlet 8" Supply Air Outlet 8" Supply Air Outlet 8" Supply Air Outlet Front View Rear View Front View Rear View Front View Rear View Front View Rear View Top View Top View www.Ultra-Aire.com | 1-800-533-7533 Ultra-Aire 70H Installation Instructions...

  • Page 8: Electrical Requirements

    Consult local electrical codes for any further information. Ultra-Aire offers a variety of control devices for use with the Ultra-Aire 70H. The controls are to be located remotely from the dehumidifier and placed in the space to be conditioned. Low voltage (24 Volt) controls can be used with the Ultra-Aire 70H and MUST be connected with low voltage (18-22 gauge) thermostat wire.

  • Page 9: Drain Installation

    1" per 10'. An optional condensate pump kit is available for use with the Ultra-Aire 70H and may be installed if lift is required to dispose of condensate. Condensate is automatically pumped to a remote location when the water level in the pump’s reservoir rises to close the float switch.

  • Page 10: Ducting To Hvac Systems

    • All flexible ducting connected to the Ultra-Aire 70H should be UL listed. • A short piece of flexible ducting on all Ultra-Aire 70H duct connections is recommended to reduce noise and vibration transmitted to rigid ductwork in the structure.

  • Page 11: Recommended Hvac System Installations

    • Install a dedicated 8" air return for the Ultra-Aire 70H from a central area of the structure. • Duct the supply of the Ultra-Aire 70H to the supply of the existing HVAC system with a backdraft damper. • If the existing system has multiple returns, instead of installing a dedicated return to the Ultra-Aire 70H, it is possible to select one to disconnect from the existing HVAC system and use it for the dedicated Ultra-Aire 70H return.

  • Page 12: Alternative Hvac System Installations

    DUCTING TO HVAC SYSTEMS Alternative HVAC System Installations If the Recommended Dedicated Ultra-Aire Return to HVAC Supply Installation is not possible, there are several alternative installation options available. • DO NOT locate return in a bathroom or kitchen. • Control should be located remotely from the dehumidifier and placed in a central location.

  • Page 13: Recommended Multiple Hvac Systems Installation

    DUCTING TO HVAC SYSTEMS Recommended Multiple HVAC System Installation The Ultra-Aire 70H can be installed on multiple HVAC systems. Dehumidified air will be provided to both HVAC systems for distribution throughout the structure. • A backdraft damper is required in the supply ducts.

  • Page 14: No Existing Ductwork Installation

    When installing the Ultra-Aire 70H in a structure that does not have a forced air HVAC system, a single return for the Ultra-Aire 70H should be installed in a central location. Install a 6" insulated duct from outside, teeing into the 8" return duct of the Ultra-Aire 70H to provide fresh air ventilation (optional).

  • Page 15: Recommended Closet Installation

    • No inlet duct is required. Air is pulled through the louvers or grille from the living space. • Install a 6" insulated duct from outside, teeing into the 8" return duct of the Ultra-Aire 70H to provide fresh air ventilation (optional).

  • Page 16: Alternative Closet Installations

    • No inlet duct is required. Air is pulled through the louvers or grille from the living space. • Install a 6” insulated duct from outside, teeing into the 8” return duct of the Ultra-Aire 70H to provide fresh air ventilation (optional).

  • Page 17: Fresh Air Ventilation

    • The 6" fresh air ventilation duct should tee into the 8" round collar on the front of the Ultra-Aire 70H. • An insulated 6" diameter duct provides up to 55 CFM of outside air.
  • Page 18 Number of Bedrooms Floor Area >7 < 1500 ft 1501 - 3000 3001 - 4500 4501 - 6000 6001 - 7500 > 7500 ft Table 4.1 from ASHRAE 62.2-2010 Record the required CFM ____________ Ultra-Aire 70H Installation Instructions www.Ultra-Aire.com | 1-800-533-7533...

  • Page 19: Controls

    A control can be used with the Ultra-Aire 70H. The Ultra-Aire 70H features a built-in dehumidistat control as well as the ability to wire a remote mounted control to the unit. If the Ultra-Aire 70H is located outside of the area where humidity control is desired, consider using a remote wired humidity controller that is located in the area where humidity control is desired.
  • Page 20 CONTROLS A low voltage control must be used with the Ultra-Aire 70H. Five Color Coded Wires Control Operation. Green (or brown) Fan control Blue Dehumidification (fan and compressor) control 24VAC power transformer neutral side (common with white) White 24VAC power transformer neutral side (common with red)

  • Page 21: Air Filtration

    AIR FILTRATION The Ultra-Aire 70H is equipped with a MERV-11 air filter. An optional MERV 14 filter and filter housing is available at www.Ultra-Aire-Filters.com.The filter should be checked and replaced every three to six months. Operating the unit with a dirty filter will reduce dehumidifier capacity and efficiency.
  • Page 22 Washable - Aluminum Mesh. <20% 70-75% Dust Mites Residential Sanding Dust <20% 65-70% Spray Paint Dust Electrostatic - Self charging Textile Fibers Window A/C Units woven panel filter. <20% <65% Carpet Fibers http://www.mechreps.com/PDF/Merv_Rating_Chart.pdf Ultra-Aire 70H Installation Instructions www.Ultra-Aire.com | 1-800-533-7533...

  • Page 23: Service

    Humidity Control Refrigerant Charging WARNING! SERVICING THE ULTRA-AIRE 70H WITH ITS HIGH PRESSURE REFRIGERANT SYSTEM AND HIGH VOLTAGE CIRCUITRY PRESENTS A HEALTH HAZARD WHICH COULD RESULT IN DEATH, SERIOUS BODILY INJURY, AND/OR PROPERTY DAMAGE. SERVICE MUST BE PERFORMED BY A QUALIFIED SERVICE TECHNICIAN.
  • Page 24 5. Dirty air filter(s) or air flow restricted. 9. If this test works, then the field control wiring is ok. 6. Defective fan or relay. 10. If the problem persists, then the control is most likely faulty. Ultra-Aire 70H Installation Instructions www.Ultra-Aire.com | 1-800-533-7533...
  • Page 25 7. Collecting the water removed in a 24 hour period 8. Defective compressor. will give a measurement of performance. 9. Restrictive ducting. www.Ultra-Aire.com | 1-800-533-7533 Ultra-Aire 70H Installation Instructions...

  • Page 26: Warranty

    WARRANTY Limited Warranty. Therma-Stor, LLC (“Therma-Stor”) warrants as follows: (i) the Ultra-Aire 70H dehumidifier (“Product”) will be free of material defects in workmanship or materials for a period of one (1) year (“One-Year Warranty”) following the date of initial purchase of such Product by an original customer purchasing from Therma-Stor or an authorized reseller (“Customer”); and (ii) the Product’s components will be free of material defects in workmanship or materials for a period of six (6) years following the...
  • Page 28 1-800-533-7533 www.Ultra-Aire.com...

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