Desert Aire ExpertAire LC Series, Installation And Operation Manual

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TABLE OF CONTENTS
1. Introduction
...................................................................................................................... 9
1.1. Inspection ............................................................................................................... 9
1.2. Freight Damage Claims ........................................................................................... 9
1.3. Rigging .................................................................................................................... 9
1.3.1. Rigging the Dehumidifier ............................................................................ 9
1.3.2. Rigging the Remote Condenser ................................................................. 10
2. Installation
........................................................................................................................ 11
2.1. Location of Dehumidifier ......................................................................................... 11
2.2. Duct Installation ....................................................................................................... 13
2.3. Condensate Drain Piping ........................................................................................ 16
2.4. Water Heating Applications ..................................................................................... 18
2.4.1. Water Piping Connections ......................................................................... 18
2.4.2. Low Water Flow Protection ........................................................................ 21
2.5. Remote Condenser (Optional) ................................................................................ 21
2.6. High Voltage Wiring ................................................................................................ 24
2.6.1. High Voltage Connections ......................................................................... 24
2.6.2. Wire and Fuse Sizing ................................................................................. 25
2.7. Controls and Sensors ............................................................................................. 25
2.7.1. Wall Mount Sensor ..................................................................................... 25
2.7.2. Duct Mount Sensor .................................................................................... 25
2.8. Auxiliary Heating Control Wiring ............................................................................. 25
2.8.1. Auxiliary Heating - Dry Contact Closure .................................................... 25
2.8.2. Auxiliary Heating - Proportional Signal ...................................................... 26
2.9. Smoke Alarm Interlock ............................................................................................ 26
3. Start-up Procedure
........................................................................................................ 27
3.1. Preliminary Inspection ............................................................................................ 27
3.2. Outdoor Air Applications ......................................................................................... 28
3.2.1. Outdoor Air Option Equipped Units ............................................................ 28
3.2.2. Standard Systems in Conjunction with Outdoor Air ................................... 30
3.2.3. Outdoor Air Supplemental Information ....................................................... 31
3.2.3.1 LC and LV Operation Modes ........................................................ 31
3.2.4. Determining if Outdoor Air Pre-Heating is Required .................................. 31
3.2.5. Approximating Outdoor Air Volume ............................................................ 32
3.3. Airflow Balancing .................................................................................................... 33
3.3.1. Blower Adjustment Procedure .................................................................... 33
3.3.2. Airflow Balancing for LC Dehumidifiers ..................................................... 34
3.3.3. Airflow Balancing for LV Dehumidifiers ...................................................... 36
3.4. Refrigeration Testing ............................................................................................... 38
3.5. General Testing ...................................................................................................... 40
Desert Aire - LC/LV Manual