Nu-Air NU2200 Operating, Maintaining & Installing Instructions

Nu-Air NU2200 Operating, Maintaining & Installing Instructions

Heat/ energy recovery ventilators

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www.nu-airventilation.com
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* LEAVE THIS DOCUMENT WITH THE BUILDING OWNER
Revised February 2015
P.O. Box 2758 Windsor, Nova Scotia, B0N 2T0
Ph. 902 798 2261
Email: nuair@nu-airventilation.com
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Specifications, dimensions and ratings may change without notice
as a result of ongoing product development and improvements
NU2200
Fax. 902 798 2557
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Summary of Contents for Nu-Air NU2200

  • Page 1 Ph. 902 798 2261 Fax. 902 798 2557 www.nu-airventilation.com Email: nuair@nu-airventilation.com & & * LEAVE THIS DOCUMENT WITH THE BUILDING OWNER Specifications, dimensions and ratings may change without notice as a result of ongoing product development and improvements NU2200 Revised February 2015...
  • Page 2: Table Of Contents

    6.4.1 Locating the Weather Hoods ......................7 Port Configurations ........................ 8 Mounting and Noise Control ....................8 6.6.1 Fastening Nu-Air Commercial H/ERV's in place: ................. 8 Connecting To Other Equipment ................... 8 Ductwork ..........................8 Drain Connections ........................9 6.10 Balancing the System .......................
  • Page 3: How The Nu-Air System Works

    Nu-Air Ventilation Systems Inc. - HRV Operating &Installation Manual HOW THE NU-AIR SYSTEM WORKS Heat Recovery Ventilator (HRV) – Sensible only heat recovery with polypropylene fixed plate heat exchange core. Energy Recovery Ventilator (ERV) – Sensible and latent energy recovery with aluminum/polypropylene fixed plate enthalpy recovery exchange core.
  • Page 4: Control Options

    - 16" x 24" x 1" quantity of 2; MERV 8 Exhaust Air Filter - 12" x 24" x 1" quantity of 2; MERV 8 Nu-Air recommends a spare set (4 pcs) of filters be ordered with the H/ERV for maintenance stores.
  • Page 5: Condensate Drain

    The belts should be regularly inspected for tension, wear, etc. at regular intervals. A belt maintenance guide has been included at the back of the manual. Nu-Air recommends a spare set of belts be purchased with the HRV for maintenance stores.
  • Page 6: Annual Servicing

    Combustion appliances such as furnaces and hot water heaters must not draw combustion air directly from an H/ERV. Installation Basics Before installing a Nu-Air Commercial H/ERV for the first time, please read these instructions. Standard Issue Items The H/ERV comes equipped with:...
  • Page 7: Ducting From The Weather Hoods

    Nu-Air Ventilation Systems Inc. - HRV Operating &Installation Manual Other Basic Needs (by others) Galvanized Duct Flexible Duct Connector Outside Hoods (2) Duct Fittings Duct Tape & sealer Screws Diffusers Duct Hanger Balancing dampers Isolation and installation fasteners Ducting from the Weather Hoods Between the weather hoods and the H/ERV it is recommended to use rigid rectangular ducting equal to or larger than the collar size of the machine.
  • Page 8: Port Configurations

    Nu-Air Ventilation Systems Inc. - HRV Operating &Installation Manual Port Configurations 1 – outside air 2 – supply air 3 – return air 4 – exhaust air All duct connections are 24”x12”. Mounting and Noise Control For maximum efficiency, the H/ERV should be installed in a heated area.
  • Page 9: Drain Connections

    Access to a drain is required to handle the HRV condensate. Care should be taken to run the condensate tube where it will not freeze. For best results, Nu-Air recommends the following steps be followed when installing drain kits. 1. Apply the O-ring supplied to the flange of each drain spout (A) 2.
  • Page 10: 6.10 Balancing The System

    Nu-Air Ventilation Systems Inc. - HRV Operating &Installation Manual 6.10 Balancing the System Balanced airflow between the supply and exhaust air streams is essential to the performance of an HRV. The pulleys used on the supply and exhaust fans are a split type pulley that allows some field adjustment of the fan rpm and corresponding air flow.
  • Page 11: Electrical Schematics

    Nu-Air Ventilation Systems Inc. - HRV Operating &Installation Manual Electrical Schematics Single Phase Timed Fan Defrost Revised April 27, 2012 Page 11 of 17...
  • Page 12 Nu-Air Ventilation Systems Inc. - HRV Operating &Installation Manual Single Phase Temperature Fan Defrost Revised April 27, 2012 Page 12 of 17...
  • Page 13 Nu-Air Ventilation Systems Inc. - HRV Operating &Installation Manual 3 Phase Fan Defrost Revised April 27, 2012 Page 13 of 17...
  • Page 14: Electrical Parts List

    Nu-Air Ventilation Systems Inc. - HRV Operating &Installation Manual Electrical Parts List Item Description Part # Quantity M1, M2 Contactor J7KN-10-10 24 CB1, CB2 Circuit Breaker J7MN-12-10 Transformer 240/24-20VA BD5G Terminal Block SAK6 Terminal Block SAK4 Defrost Thermostat VB-11 1.5 hpMotor...
  • Page 15: Specifications

    Nu-Air Ventilation Systems Inc. - HRV Operating &Installation Manual SPECIFICATIONS Nominal Airflow @ 1327 rpm 2200 cfm @ 1” ESP Motor Horse Power/speeds/rpm 2 @ 1.5 hp/1 sp/1725 Unit FLA 16.4 Blower Pulley Maska MBL37 Motor Pulley Maska MVL34x5/8 Bushing...
  • Page 16: Warranty

    WARRANTY: NU-AIR COMMERCIAL HRV's Nu-Air warrants its Commercial HRV's to be free from defects on all components including motors, circuit boards, transformers, and switches when subject to normal and proper use for a period of two (2) years from the date of purchase.
  • Page 17 Nu-Air Ventilation Systems Inc. - HRV Operating &Installation Manual Revised April 27, 2012 Page 17 of 17...

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