Therma-Stor Products Group 90H - Manual (Page 2)

Introduction .............................................................................3
Features & Benefits .................................................................3
Safety Precautions ...................................................................3
1. Intended Application ............................................................3
2. Registrations .......................................................................3
3. Specifications ......................................................................3
4 . Installation ..........................................................................3
4.1 Installation Checklist .....................................................3
4.1A Power Accessibility ................................................3
4.1B Space ....................................................................4
4.1C Low Voltage Wiring ................................................4
4.1D Back-Draft Damper ...............................................4
4.1E Support Structure and Suspension .........................4
4.2 Electrical Requirements ................................................4
4.3 Condensate Removal ....................................................4
4.3A Lifting Condensate ................................................4
4.3B Condensate Pump Kit ............................................4
4.4 Ducting ........................................................................5
4.4A Fresh Air/Supply Air ................................................5
4.4B Ducting for Fresh Air - Option ................................5
4.4C Installation in a Basement or Crawlspace ..............6
4.4D Installation in an Attic ............................................6
4.4E Installation in a Structure with
No Forced Air HVAC System ............................................6
4.4F Ducting for High Efficiency Filtration .......................7
4.5 Compressor Release and Noise Abatement ....................7
4.6 Controls ........................................................................7
4.6A Humidity/Fan Control Panel
WITHOUT Fresh Air Ventilation or Damper ......................7
4.6B Humidity/Fan Control Panel WITH
Fresh Air Ventilation and WITHOUT Damper ....................7
4.6C Humidity/Fan Control Panel WITH
Fresh Air Ventilation AND Damper ..................................7
4.6D Ventilation Timer and Humidity Control
WITH Fresh Air AND Motorized Damper ..........................8
4.6E DEH 3000 Digital Controller WITH
Fresh Air AND Damper ...................................................8
4.6F DEH 3000 Digital Controller
WITHOUT Fresh Air ........................................................8
4.7 Humidity Control Adjustment ........................................8
4.8 Fan/Filter Switch ...........................................................8
4.9 Ventilation Timer ...........................................................8
4.9A Setting the Time ....................................................8
4.9B Ventilation Schedule ..............................................8
4.9C Automatic or Manual Mode ....................................9
5. DEH 3000/DEH 3000R Digital Control ................................10
6. Control Package Diagram Sheet..........................................11
7. Maintenance ......................................................................12
7.1 Standard Air Filter .......................................................12
7.2 High Efficiency Air Filter ..............................................12
7.3 Optional Fresh Air Intake .............................................12
8. Wiring Diagrams ................................................................ 13
9. Optional Parts List ..............................................................14
10. Service Parts List .............................................................15
11. Service ............................................................................16
11.1 Technical Description ................................................16
11.2 Troubleshooting ........................................................16
11.3 Refrigerant Charging ................................................17
11.4 Compressor/Capacitor Replacement .........................17
11.5 Electric Ventilation Damper .......................................17
11.6 Condensate Pump Kit ...............................................18
Warranty ................................................................................20
TABLE OF CONTENTS
2 Ultra-Aire 90H Installer’s & Owner’s Manual 3 Ultra-Aire 90H Installer’s & Owner’s Manual