Rev. December 19, 2008
1. HOW THE NU-AIR SYSTEM WORKS......................................................................................................................... 3
2. INSTALLATION............................................................................................................................................................. 3
2.1. Installer's Responsibilities...................................................................................................................3
2.2. Installation System Options ...............................................................................................................3
2.3. Ducting to The Outside........................................................................................................................5
2.4. Mounting & Noise Control..................................................................................................................6
2.5. Port Configurations .............................................................................................................................6
2.6. Ductwork ..............................................................................................................................................7
2.7. Drain Connections ...............................................................................................................................7
2.8. Balancing the System...........................................................................................................................8
3. CONTROLS..................................................................................................................................................................... 9
3.1. Features: ...............................................................................................................................................9
3.2. Machine ON/OFF Switch..................................................................................................................11
3.3 Standard Dehumidistat - Part # DSTAT-1...........................................................................................11
3.4. Windsor Control (Part # WIN-1) .....................................................................................................11
3.5. Windsor Timer (WIN-20)..................................................................................................................11
3.6 Spring Wound Timers ............................................................................................................................12
3.7 Remote On/Off Switching ......................................................................................................................12
3.8 Furnace Interlock....................................................................................................................................12
4. Arctic Defrost Mode ...................................................................................................................................................... 12
5. START-UP..................................................................................................................................................................... 12
6. OPERATING HINTS.................................................................................................................................................... 13
7. MAINTENANCE .......................................................................................................................................................... 13
7.1. Filters:.................................................................................................................................................13
7.2. Fans .....................................................................................................................................................13
7.3. Condensate Drain ..............................................................................................................................13
7.4. Core.....................................................................................................................................................13
7.5. Exterior Hoods ...................................................................................................................................13
7.6. Grills & Duct Work ...........................................................................................................................14
8. ANNUAL SERVICING................................................................................................................................................. 14
9. TROUBLE SHOOTING ............................................................................................................................................... 15
10. ELECTRICAL SCHEMATICS .................................................................................................................................... 16
10.1. WINDSOR Wall Controls Wiring Diagram....................................................................................16
10.2. 24V Standard D-Stat Wiring Diagram (Part#DSTAT-1) ..............................................................17
10.3. Damper Defrost and Re-circulation Defrost ...................................................................................18
11. WARRANTIES.............................................................................................................................................................. 19