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Limited Warranty 

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

Limited Warranty. 

Therma-Stor, LLC (“Therma-Stor”) warrants as 

follows: (i) the Ultra-Aire XT150H 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 
condenser, evaporator, and compressor will be free of material 
defects in workmanship or materials for a period of five (5) years 
following the date of initial purchase of such Product by a Customer. 

Limitation of Remedies.

 CUSTOMER’S SOLE AND EXCLUSIVE 

REMEDY UNDER THE ABOVE LIMITED WARRANTY AND THERMA- 
STOR’S ENTIRE LIABILITY THEREUNDER, SHALL BE, AT THE SOLE 
OPTION OF THERMA-STOR, REPLACEMENT OR REPAIR OF SUCH 
PRODUCT OR ITS COMPONENTS (“COMPONENTS”) BY THERMA-
STOR OR THERMA-STOR’S AGENTS ONLY. REFRIGERANT, PIPING, 
SUPPLIES, TRANSPORTATION COSTS, LABOR COSTS INCURRED 
IN REPAIR OR REPLACEMENT OF SUCH COMPONENTS ARE NOT 
INCLUDED. THIS DISCLAIMER AND EXCLUSION SHALL APPLY 
EVEN IF THE EXPRESS WARRANTY AND LIMITED REMEDY SET 
FORTH HEREIN FAILS OF ITS ESSENTIAL PURPOSE. CUSTOMER 
ACKNOWLEDGES THAT NO REPRESENTATIVE OF THERMA-STOR OR 
OF ITS AFFILIATES OR RESELLERS IS AUTHORIZED TO MAKE ANY 
REPRESENTATION OR WARRANTY ON BEHALF OF THERMA-STOR 
OR ANY OF ITS AFFILIATES OR RESELLERS THAT IS NOT IN THIS 
AGREEMENT. Notwithstanding the above, during the term of the 
One-Year Warranty only, Therma-Stor will provide, free of charge to 
Customer, all Components and labor (except costs related to removal 
and installation of Product) required to fulfill its obligations under such 
One-Year Warranty. 

Disclaimer of Warranties. 

EXCEPT FOR ABOVE LIMITED 

WARRANTY, WHICH IS THE SOLE AND EXCLUSIVE WARRANTY 
PROVIDED WITH RESPECT TO THE PRODUCT AND ITS COMPONENTS, 
THERMA-STOR HEREBY DISCLAIMS ALL EXPRESS AND IMPLIED 
WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 
PARTICULAR PURPOSE. 

Warranty Limitations.

 The foregoing limited warranty extends only 

to a Customer and shall be null and void upon attempted assignment 
or transfer. A “defect” under the terms of the limited warranty shall 
not include problems resulting from Customer’s or Customer’s 
employees’, agents’, invitees’ or a third party’s misuse, improper 
installation, improper design of any system in which the Product 
is included, abuse, lack of normal care, failure to follow written 
instructions, tampering, improper repair, or freezing, corrosion, acts 
of nature or other causes not arising out of defects in Therma-Stor’s 
workmanship or material. If a Product or Component is replaced 
while under warranty, the applicable limited warranty period shall 
not be extended beyond the original warranty time period. The 
limited warranty does not cover any 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 Responsibilities. 

As a further condition to obtaining 

warranty coverage hereunder, the Customer must send a valid 
warranty claim to Therma-Stor such that Therma-Stor receives 
such claim prior to the end of the applicable warranty period. 
Therma-Stor shall have no obligation hereunder with respect to 
any claim received by Therma-Stor after the expiration of the 
applicable warranty period. As a further condition to obtaining 
warranty coverage hereunder, the Customer must present forms of 
invoices evidencing proof of purchase of a Product. If such invoices 
do not clearly indicate the date of initial purchase by a Customer, 
the applicable Product’s date of manufacture will be used instead 
of the date of initial purchase for the purpose of calculating the 
commencement of the applicable warranty period. Warranty service 
must be performed by Therma-Stor or a servicer authorized by 
Therma-Stor. In order to obtain warranty service, the Customer 
should call Therma-Stor at 1-800-533-7533 and ask for the 
Therma-Stor Products Service Department, which will then arrange 
for applicable warranty service. Warranty service will be performed 
during customary, daytime working hours. If the Product must be 
shipped for service, Customer shall be solely responsible for properly 
packaging the Product, for all freight charges, and for all risk of loss 
associated with shipment. 

Limitation of Liability. 

IN NO EVENT SHALL THERMA-STOR, 

IN CONNECTION WITH THE DESIGN, SALE, INSTALLATION, USE, 
REPAIR, REPLACEMENT OR PERFORMANCE OF ANY PRODUCT, 
COMPONENT, PART THEREOF OR WRITTEN MATERIAL PROVIDED 
THEREWITH, BE LIABLE, TO THE EXTENT ALLOWED UNDER 
APPLICABLE LAW, UNDER ANY LEGAL THEORY FOR ANY SPECIAL, 
DIRECT, INDIRECT, COLLATERAL OR CONSEQUENTIAL DAMAGES 
OF ANY KIND. NOTWITHSTANDING THE ABOVE LIMITATIONS AND 
WARRANTIES, THE SOLE AND EXCLUSIVE LIABILITY OF THERMA-
STOR, REGARDLESS OF THE NATURE OR THEORY OF THE CLAIM, 
SHALL UNDER NO CIRCUMSTANCES EXCEED THE PURCHASE PRICE 
OF THE PRODUCT, COMPONENT OR PART UPON WHICH THE CLAIM 
IS PREMISED. 

Applicable Law and Venue.

 ANY ARBITRATION, ENFORCEMENT 

OF AN ARBITRATION OR LITIGATION RELATED TO THE PRODUCT 
WILL BE BROUGHT EXCLUSIVELY IN DANE COUNTY, WISCONSIN, 
AND CUSTOMER CONSENTS TO THE JURISDICTION OF THE 
FEDERAL AND STATE COURTS LOCATED THEREIN, SUBMITS TO 
THE JURISDICTION THEREOF AND WAIVES THE RIGHT TO CHANGE 
VENUE. CUSTOMER FURTHER CONSENTS TO THE EXERCISE OF 
PERSONAL JURISDICTION BY ANY SUCH COURT WITH RESPECT TO 
ANY SUCH PROCEEDING. 

Miscellaneous.

 If any term or condition of this Limited Warranty 

is found by a court of competent jurisdiction to be invalid, illegal or 
otherwise unenforceable, the same shall not affect the other terms 
or conditions hereof or thereof or the whole of this Limited Warranty. 
Any delay or failure by Therma-Stor to exercise any right or remedy 
will not constitute a waiver of Therma-Stor to thereafter enforce 
such rights.

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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