Table of Contents
Safety Precautions ......................................................................... 3
1. Intended Application .................................................................. 4
2. Specifications ........................................................................... 4
3. Installation ................................................................................ 4
3.1 Location ............................................................................. 4
3.2 Electrical Requirements ...................................................... 4
3.3 Condensate Removal .......................................................... 5
3.4 Ducting ............................................................................... 5
3.4A Installing Duct Collars ................................................. 5
3.4B Ducting for Dehumidification ....................................... 5
3.4C Ducting for Fresh Air .................................................... 6
3.4D Installation in a Basement .......................................... 6
3.4E Installation in a attic .................................................... 7
3.4F Installation with (2) HVAC systems ............................... 7
3.4G Installation without an HVAC system ............................ 7
3.5 Quiet Installation ................................................................. 7
3.6 Noise Abatement ................................................................ 7
4. Controls ................................................................................... 7
4.1A Humidity/Fan Control Panel WITHOUT Fresh Air
Ventilation or Damper ........................................................ 8
4.1B Humidity/Fan Control Panel WITH Fresh Air
Ventilation and WITHOUT Damper ...................................... 8
4.1C Humidity/Fan Control Panel WITH Fresh Air
Ventilation AND Damper .................................................... 8
4.1D Ventilation Timer and Humidity Control
WITH Fresh Air AND Motorized Damper .............................. 8
4.1E DEH 3000 Digitial Control
WITH Fresh Air AND Damper .............................................. 8
4.1F DEH 3000 Digital 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
Controls Wiring Diagram .................................................... 10
5. DEH 3000/DEH 3000R Digital Control ..................................... 11
6. Maintenance ............................................................................ 12
6.1 Standard Air Filter ............................................................. 12
6.2 High Efficiency Air Filter .................................................... 12
6.3 Impeller Fan Oiling ............................................................ 12
6.4 Fresh Air Return ............................................................... 12
7. Service .................................................................................... 12
7.1 Warranty .......................................................................... 12
7.2 Technical description ........................................................ 12
7.3 Troubleshooting ................................................................ 12
7.4 Refrigerant Charging ....................................................... 13
7.5 Impeller Fan Replacement ............................................... 13
7.6 Compressor/Capacitor Replacement ................................. 14
7.6A Checking Compressor Motor Circuits ........................ 14
7.6B Replacing Burned Out Compressor ........................... 14
7.6C Replacing Compressor-Nonburn Out.......................... 15
7.7 Remote Controls ............................................................... 15
7.7A Humidity Control ........................................................ 15
7.7B Ventilation Timer ........................................................ 15
7.8 Defrost Thermostat ........................................................... 15
7.9 Electric Ventilation Damper ............................................... 15
7.10 Condensate Pump Kit ..................................................... 15
Electrical Schematic ................................................................... 16
Pictorial Electrical Diagram .......................................................... 17
Service Parts List ........................................................................ 18
Optional Parts List ....................................................................... 19
Door and Collar Assembly ........................................................... 20
Warranty ...................................................................................... 21
TABLE OF CONTENTS
2
Ultra-Aire XT150H Installer’s & Owner’s Manual
