Therma-Stor Products Group UA-150H - Manual (Page 2)

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
4. Controls .................................................................................. 7
4.1 Humidity/Fan Control Panel ............................................... 7
4.2 Ventilation Timer & Humidity Control Panel ....................... 8
4.3 Humidity Control Adjustment ............................................ 8
4.4 Fan/Filter Switch ............................................................... 8
4.5 Ventilation Timer ............................................................... 8
4.6 Low Pressure Control ....................................................... 9
DEH Wiring Diagram .............................................................10
5. DEH 2000 Digital Control ......................................................11
5.1 Specifications ................................................................11
5.2 Installation .....................................................................11
5.2A Install Instructions ..................................................11
5.2B Wiring .....................................................................11
5.2C Location .................................................................12
5.3 Operation ......................................................................12
5.3A Display ...................................................................12
5.3B Setting ...................................................................12
5.3C On/Off Setting ........................................................12
5.3D Setting Clock Time ................................................. 12
5.3E Setting Relative Humidity Set point ......................... 13
5.3F Fan Setting and Operation ......................................13
5.3G Fan On Fan Off Fan Program .................................. 13
5.3H Damper Operation and Setting ............................... 13
5.3I Intermittent/Programmed Ventilation ........................14
5.3J Programming Notes ................................................14
5.3K Ventilating or Dehumidifying to Control
Indoor Relative Humidity Levels ...................................... 14
5.3L Stop Start ...............................................................14
5.3M Low Pressure Control ............................................ 14
6. Maintenance .........................................................................15
6.1 Standard Air Filter ........................................................... 15
6.2 High Efficiency Air Filter .................................................. 15
6.3 Impeller Fan Oiling ..........................................................15
6.4 Fresh Air Return ............................................................. 15
7. Service ..................................................................................15
7.1 Warranty ........................................................................15
7.2 Technical description ......................................................15
7.3 Troubleshooting ..............................................................16
7.4 Refrigerant Charging .....................................................17
7.5 Impeller Fan Replacement .............................................17
7.6 Compressor/Capacitor Replacement ............................... 17
7.6A Checking Compressor Motor Circuits ......................17
7.6B Replacing Burned Out Compressor .........................17
7.6C Replacing Compressor-Nonburn Out....................... 18
7.7 Remote Controls .............................................................18
7.7A Humidity Control ......................................................18
7.7B Ventilation Timer ...................................................... 18
7.8 Defrost Thermostat .........................................................18
7.9 Electric Ventilation Damper .............................................18
7.10 Low Pressure Control ................................................... 19
7.11 Condensate Pump Kit ................................................... 19
Electrical Schematic ................................................................. 19
Pictorial Electrical Diagram ........................................................ 20
Wiring Diagrams ........................................................................21
Service Parts List ......................................................................22
Optional Parts List .....................................................................23
Vibration Isolation Kit: ................................................................ 24
External Insulation Kit .......................................................... 25, 26
Warranty ....................................................................................27
TABLE OF CONTENTS
2 Ultra-Aire 150H Installer’s & Owner’s Manual