Revised February 2015
TABLE OF CONTENTS
1
HOW THE NU-AIR SYSTEM WORKS ...................................................................................................... 3
2
DEFROST .................................................................................................................................................. 3
3
OPERATING INSTRUCTIONS ................................................................................................................. 3
3.1
Control Options ...................................................................................................................... 4
3.2
Disconnect ............................................................................................................................... 4
3.3
Defrost Adjustments ............................................................................................................... 4
4
MAINTENANCE ........................................................................................................................................ 4
4.1
Filters ...................................................................................................................................... 4
4.2
Fans (FC DWDI 810 - belt drive) ........................................................................................... 4
4.3
Motors (2 x 1.5 hp – single speed) ........................................................................................... 4
4.4
Condensate Drain ................................................................................................................... 5
4.5
Cores ....................................................................................................................................... 5
4.6
Exterior Hoods ........................................................................................................................ 5
4.7
Diffusers and Ductwork .......................................................................................................... 5
4.8
Belts ......................................................................................................................................... 5
5
ANNUAL SERVICING .............................................................................................................................. 6
6
INSTALLATION INSTRUCTIONS ........................................................................................................... 6
6.1
Installer’s Responsibilities ...................................................................................................... 6
6.2
Installation Basics ................................................................................................................... 6
6.3
Ducting from the Weather Hoods .......................................................................................... 7
6.4
Weather hoods ........................................................................................................................ 7
6.4.1
Locating the Weather Hoods ........................................................................................................ 7
6.5
Port Configurations ................................................................................................................ 8
6.6
Mounting and Noise Control .................................................................................................. 8
6.6.1
Fastening Nu-Air Commercial H/ERV's in place: ......................................................................... 8
6.7
Connecting To Other Equipment ........................................................................................... 8
6.8
Ductwork ................................................................................................................................. 8
6.9
Drain Connections .................................................................................................................. 9
6.10
Balancing the System ....................................................................................................... 10
7
ELECTRICAL POWER & CONTROLS ................................................................................................... 10
7.1
Electrical Schematics ............................................................................................................ 11
7.2
Electrical Parts List .............................................................................................................. 14
7.3
Component Layout ............................................................................................................... 14
8
SPECIFICATIONS .................................................................................................................................. 15
9
WARRANTY:............................................................................................................................................ 16
