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1. 

 

Intended Application for Ultra-Aire XT150H 

For the ideal installation, draw air from the central part of the home 
and return it to isolated areas of the home like the bedrooms, den, 
utility room, or family room. The ductwork of the existing heating 
system can be used to supply air to the home. 

2. Specifications

Part Number:

 

4026480

Blower:

 

 415 CFM @ 0.0" WG  
365 CFM @ 0.4" WG 

Power:

 

800 Watts @ 80°F and 60% RH

Supply Voltage:

 

110-120 VAC – 1 Phase – 60 Hz.

Current Draw:

 

6.9 Amps

Energy Factor:

 

3.74

Operating Temp.:

 

56°F Min, 100°F Max

Sized For:

 

3500 Square Foot Typical

Minimum Performance @ 80°F and 60%  RH: 

Water Removal:

 

150 Pints/Day 

Efficiency:

 

7.9 Pints/kWh

UA-XT150H Duct Connections:

 

6" Round Inlet; 10" Round Inlet; 10" Oval Outlet

Air Filter:

 

Standard MERV-11; Size: 16" x 20" x 2" 

 

Efficiency: 65% ASHRAE Dust Spot Test

 

Optional MERV-14, Size: 20" x 24" x 4" 

 

Efficiency: 95% ASHRAE Dust Spot Test

Power Cord:

 

7', 110-120 VAC, Ground

Drain Connection:

 

.62" ID x 8' Vinyl Hose

UA-XT150H Dimensions:
 

Unit 

Shipping

 

Width: 

37 1/2" without collars 

42"

  

39 1/2" with collars

Height: 

22" 

28 1/4"

Depth: 

20 5/8" 

24"

Weight: 

134 lbs 

164 lbs

3. Installation

3.1 Location

The Ultra-Aire XT150H can be installed in a variety of locations 
to meet the owner's needs as listed below. In all cases keep the 
following cautions in mind:

•  It is designed to be installed INDOORS IN A SPACE THAT IS 

PROTECTED FROM RAIN AND FLOODING.

•  Install the unit with space to access the back and side panels for 

maintenance and service and also to allow easy access to the filter 
cover panel. DO NOT INSTALL UNIT WITH THE FRONT PANEL OR 
FILTER COVER PANEL INACCESSIBLE.

•  Avoid discharging the air directly at people, or over the water in 

pool areas.

•  If used near a pool or spa, be certain there is NO chance the unit 

could fall into the water or be splashed and that it is plugged into a 
GROUND FAULT INTERRUPTER. 

• DO NOT use the Ultra-Aire XT150H as a bench or table. 
•  DO NOT place the Ultra-Aire XT150H directly on structural 

members. Provide vibration isolation in order to minimize 
operational vibration and/or noise.

•  A drain pan MUST be placed under the unit if installed above a 

living area or above an area where water leakage could cause 
damage. 

Place the Ultra-Aire XT150H on supports that raise the base of 
the unit above the top of the flanges on the drain pan beneath it. 
Raising the Ultra-Aire XT150H will help the unit drain with gravity 
flow. Do not place the Ultra-Aire XT150H directly on structural 
building members without vibration absorbers or unwanted noise 
may result. 

The Ultra-Aire XT150H may be suspended with steel hanger straps 
(plumbers tape) or a suitable alternative from structural members, 
unit must be supported from underneath. Don't hang from sides 
or ends. Remember to place a drain pan under the unit if it is 
suspended above a finished area or above an area where water 
leakage could cause damage. 

The Ultra-Aire XT150H should be located near the existing air 
handling system to minimize the required ductwork for connecting 
the Ultra-Aire XT150H to the existing air handling system. The 
controls for the Ultra-Aire XT150H are remote from the unit and 
must be located in the space that is to be conditioned. The controls 
are low voltage (24 volt) and should be connected to the Ultra-Aire 
XT150H with low voltage thermostat cable. 

If fresh air ventilation is desired, thought should be given to the 
location for the fresh air ducting. A 6" round insulated duct will 
have to be installed on the Ultra-Aire XT150H and run to the outside 
of the structure to bring in fresh air. Use an 8" insulated round duct 
for lengths of more than 50 feet or if more than 100 CFM is needed. 
Consult local codes for necessary distances from exhaust ports 
when installing fresh air return. 

3.2 Electrical Requirements 
 

 WARNING!

 

DO NOT ALLOW THE YELLOW 

LEAD FROM THE ULTRA-AIRE TO CONTACT THE RED LEAD 
OR WHITE LEAD FROM THE ULTRA-AIRE OR DAMAGE TO THE 
TRANSFORMER WILL RESULT.

The Ultra-Aire XT150H plugs into a common grounded outlet. It 
draws around 6.9 Amps under normal operating conditions. If used 
in a wet area (pool, spa room, or basement prone to flooding), a 
ground fault interrupter protected circuit is required. 

FOR HVAC INSTALLER ONLY

4

Ultra-Aire XT150H Installer’s & Owner’s Manual

Summary of Contents for Ultra-Aire XT150H

Page 1: ...tdoor air may be ducted to the unit via a six inch round duct This provides fresh air to dilute pollutants and maintain high oxygen content in the air The amount of fresh air ventilation can be regula...

Page 2: ...igital Control WITHOUT Fresh Air 9 4 2 Humidity Control Adjustment 8 4 3 Fan Filter Switch 8 4 4 Ventilation Timer 8 4 4A Setting the Time 9 4 4B Ventilation Schedule 9 4 4C Automatic or Manual Mode 9...

Page 3: ...th space to access the back or side panels for maintenance and service DO NOT INSTALL UNIT WITH THE SERVICE PANELS INACCESSIBLE Avoid directing the discharge air at people or over the water in pool ar...

Page 4: ...l vibration and or noise A drain pan MUST be placed under the unit if installed above a living area or above an area where water leakage could cause damage Place the Ultra Aire XT150H on supports that...

Page 5: ...ating system can be used to supply air to the home If the existing supply goes to isolated areas of the home discharge the supply of the Ultra Aire XT150H into the supply of the existing heating syste...

Page 6: ...lter enclosure of the unit The 6 round collar includes a manual damper Adjust the manual damper to provide the desired amount of fresh air for ventilation The amount of fresh air should be based on th...

Page 7: ...edrooms den etc By ducting this way the air inside the structure will circulate through the Ultra Aire XT150H to be filtered and dehumidified Avoid discharging all the air from the dehumidifier in one...

Page 8: ...ir Refer to Section 5 4 2 Humidity Control Adjustment Set the humidity control to the desired humidity level for the home Turning the knob clockwise results in a drier setting See the back of the cont...

Page 9: ...the week for this program You can choose Mon Sun Mon Fri Sat Sun or any single day of the week The days chosen are shown along the top of the display on the ventilation timer Next press the h button...

Page 10: ...e lead from the unit or damage to the transformers will result Do not direct connect the white lead on the unit to the violet lead on the ventilation control or damage to the transformer will result H...

Page 11: ...ty Range Accuracy 10 95 RH 5 Auxillary Relay Capacity 5 Amps 24VAC Temp Range Accuracy 30 90 F 2 Size 4 95 L x 1 06 W x 4 19 H Major Operations n Digital control of Relative Humidity Digital Set Point...

Page 12: ...heck and clean the screen on the outdoor fresh air return seasonally The screen may become plugged during the seasons when there are many particles in the outdoor air 7 Service 7 1 Warranty A warranty...

Page 13: ...uch as expected 1 Air temperature and or humidity have dropped 2 Humidity meter and or thermometer used are out of calibration 3 Unit has entered defrost cycle Sec 5 8 4 Air filter dirty Sec 4 1 4 2 5...

Page 14: ...capacitor Plug in and turn on the unit If the compressor fails to start replace the run capacitor 11 If the unit still does not start adding a hard start kit relay capacitor will provide greater start...

Page 15: ...and bring in fresh air from outside The ventilation timer should be set for the required ventilation of the residence The home should be ventilated with fresh air as suggested by applicable codes and...

Page 16: ...Aire XT150H to the blue 5 lead on the control panel If the pump fails this switch opens the compressor control circuit and stops water production before the reservoir overflows The Ultra Aire XT150H...

Page 17: ...FOR HVAC INSTALLER ONLY 17 Pictorial Electrical Diagrams of Ultra Aire XT150H Ultra Aire XT150H Installer s Owner s Manual...

Page 18: ...t No Qty Description 12 4026687 1 45mFd CAPACITOR COMPRESSOR 13 4022487 1 TRANSFORMER 14 4022484 1 RELAY COMPRESSOR 15 4017021 1 15mFd CAPACITOR IMPELLER 16 4026932 1 COLLAR 10 INCH 17 4026947 1 COLLA...

Page 19: ...Electrically Actuated not shown 32 4024153 1 Cover for Items 28 29 not shown 33 4021495 1 Knob Black 25 shaft 34 4024150 1 Instructions Humidity Fan not shown 35 4024122 1 Instructions Ventilation Ti...

Page 20: ...ng door shut Once the door is shut release the door latch Collar Install Remove the 2 round ducts 3 seals and small bag of mounting hardware from inside the rectangle opening Adhere seals onto the bac...

Page 21: ...costs related to changes to a Product or Component that may be required by any codes laws or regulations that may become effective after initial purchase of the Product by Customer Customer Responsib...

Page 22: ...any form or by any means electronic or mechanical for any purpose without the express written permission of Therma Stor LLC 2007 Therma Stor LLC All rights reserved PO Box 8680 Madison WI 53708 Phone...

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