The ultra-aire 90h dehumidifier performs multiple functions in a compact enclosure; high-capacity dehumidification, fresh air ventilation, and particulate filtration. Dehumidification the highly efficient ua-90h dehumidifier utilizes refrigeration to cool the incoming air stream below its dew point....
Introduction .............................................................................1 features & benefits .................................................................1 safety precautions ...................................................................3 1. Intended application ............
Read the installation, operation and maintenance instructions carefully before installing and operating this device. Proper adherence to these instructions is essential to obtain maximum benefit from your ultra-aire 90h indoor air quality system. Read and save these instructions • the device is desi...
1. Intended application for ultra-aire 90h 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. Re...
Important do not install the control panel where it may not accurately sense the relative humidity such as near hvac supply registers, near exterior doors, on an outside wall, near a window, or near a water source. The installer must supply the wiring between the ua-90h and the control panel. Be sur...
Isolated areas: effective dehumidification may require that ducting be branched to isolated, stagnant air flow areas. Use 8" or larger diameter branch ducting to each of two or three areas, use 6" or larger to each of four or more areas. Provisions must be made to provide airflow from supply locatio...
Crawlspace installation: install a separate return for the ua-90h in a central area of the structure. Optional: duct the supply of the ua-90h to a 10" x 10" x 10" tee/damper that is 20% open to the crawlspace if desired. Duct the other side of the tee to the air supply of the existing hvac system wi...
To determine how each control operates the ua-90h, it must first be determined which control is being used and whether or not the 90h is ducted for fresh air ventilation. Refer to appropriate section. Humidity/fan control panel (p/n 4024155) (figure 1, p.7) 4.6a humidity/fan control panel without fr...
4.9 ventilation timer the ventilation timer controls the fan and the motorized fresh air damper. When the ventilation timer is activated, the ua-90h will circulate the indoor air, and bring in fresh air from outside. The ventilation timer should be set for the required ventilation of the residence. ...
10 ultra-aire 90h installer’s & owner’s manual 11 ultra-aire 90h installer’s & owner’s manual for hvac installer only 5. Deh 3000 digital control installation instructions 5.1 specifications part # (p/n) 4026570 model: deh 3000 digital control electrical: 24 vac humidity range: 10 – 95% rh humidity ...
10 ultra-aire 90h installer’s & owner’s manual 11 ultra-aire 90h installer’s & owner’s manual for hvac installer only warning: to avoid transformer damage only connect the white wire to the control if a damper is used. The white wire controls the optional motorized damper that can be installed into ...
12 ultra-aire 90h installer’s & owner’s manual 13 ultra-aire 90h installer’s & owner’s manual for hvac installer only dehumidifier deactivates when the air-conditioner is running • the common wire on the thermostat transformer (black) needs to be wired with the yellow wire from the dehumidifier. • t...
12 ultra-aire 90h installer’s & owner’s manual 13 ultra-aire 90h installer’s & owner’s manual for hvac installer and homeowner 8. Verify additional optional control operations such as fan interlock or lockout. 9. Proceed to operation/setting section. For installer & homeowner: 5.3 operation 5.3a dis...
For hvac installer only and homeowner operation the initial dead band setting (the range that the dehumidifier cycles on and off) is 3%. With a setpoint of 50%, the dumidifier turns on when the reading reaches 53%. The dehumidifier continues to remove water from the air until the reading is 47%. The...
For hvac installer only and homeowner the ventilation indicator “o” will be displayed whenever the unit is ventilating. The fan operation indicator “o” will also be lit. There are three damper operation modes, “open – hold,” “closed – hold” and “program” (denoted by “on time” – “off time.” refer to ...
16 ultra-aire 90h installer’s & owner’s manual for hvac installer and homeowner 2. Press the program enter key to toggle to the “open for” setting. Using the up/down “rh” keys, change the duration that the damper will ventilate fresh air. 3. Press the program enter key to toggle to the “closed for” ...
Attention installer wire the unit and control package as shown in the diagram below 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. Do not direct connect the white lead on the unit to the violet le...
For hvac installer and homeowner 7. Maintenance 7.1 standard air filter the ua-90h is equipped with a merv 11 media filter. This filter should be checked every three months. Operating the unit with a dirty filter will reduce dehumidifier capacity and efficiency and may cause the compressor to cycle ...
8. Wiring diagrams ultra-aire 90h wiring diagram ua-90h with humidity/fan control (4024155) ua-90h with ventilation timer/humidity/ fan control (4024125) 18 ultra-aire 90h installer’s & owner’s manual 19 ultra-aire 90h installer’s & owner’s manual.
9. Optional parts list: ua-90h indoor air quality system item part no. Description 1 4024125 control panel assembly, ventilation timer & humidity control 2 4024155 control panel assembly, humidity/fan 3 4026570 deh 3000 digital controller 4 4025287 filter box 5 4026151 14"x14"x1" standard ua 90-h fi...
10. Service parts list: ua-90h indoor air quality system item part no. Description 1 4023648 compressor, carlyle (eaa070111a) 2 4023681 compressor overload (eaa070111a) 3 4022484 compressor relay, spst, 24 vac, 30a 4 4024912 compressor run capacitor, 25 mfd 5 4025561 fan 6 4020924 fan relay, spdt, 2...
11. Service caution caution: servicing the ua-90h 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. Call your hvac contractor. 11.1 technical description the ua-90h uses a refrige...
Unit not providing ventilation. Ventilation timer not operating correctly. 1. If timer is not functioning correctly reset timer and reprogram. 2. Check control wire connections (check connections at fresh air damper also). 3. Defective fresh air damper. 4.Defective fan switch. Unit removes some wate...
Condensate pump installation: for hvac installer only 24 ultra-aire 90h installer’s & owner’s manual 25 ultra-aire 90h installer’s & owner’s manual condensate pump installation. This condensate pump kit must be installed with leveling feet. Do not use casters. Step 1. Lay the unit on it's side. Make...
Condensate pump installation: for hvac installer only 24 ultra-aire 90h installer’s & owner’s manual 25 ultra-aire 90h installer’s & owner’s manual step 6. Position the oblong slot in the bracket with the middle screw hole. Secure the pump to the dehumidifier with the screw removed in step 5. Step 7...
Warrantor: therma-stor llc po box 8680 madison, wi 53708 telephone: 1-800-533-7533 warranty: this warranty covers the ultra-aire 90h and extends only to the original residential end-user of the ultra-aire dehumidifier, and may not be assigned or transferred. Year(s) one through two - 100% parts and ...
Information in this document is subject to change without notice. No part of this document may be reproduced or transmitted in any form or by any means, electronic or mechanical, for any purpose, without the express written permission of therma-stor llc. © 2006 therma-stor llc. All rights reserved. ...
