Nu-Air ES Series Manual
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Nu-Air ES Series Manual

Heat recovery ventilator
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* LEAVE THIS DOCUMENT WITH THE HOMEOWNER
Specifications, dimensions and ratings may change without notice
as a result of ongoing product development and improvements
Rev. 3.4 Sept 20, 2011
P.O. Box 2758
Windsor, Nova Scotia, B0N 2T0
Phone: 902-798-2261 Fax: 902-798-2557
www.nu-airventilation.com
Email: nuair@nu-airventilation.com
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  • Page 1 P.O. Box 2758 Windsor, Nova Scotia, B0N 2T0 Phone: 902-798-2261 Fax: 902-798-2557 www.nu-airventilation.com Email: nuair@nu-airventilation.com ES SERIES & & FOR MODELS ES100 AND ES170 * LEAVE THIS DOCUMENT WITH THE HOMEOWNER Specifications, dimensions and ratings may change without notice as a result of ongoing product development and improvements...

  • Page 2: Table Of Contents

    ELECTRICAL SCHEMATICS ............................ 22 10.11. ES Series Wiring Diagrams.......................22 10.12. Defrost, Recirculation and Furnace Interlock Settings ..............23 10.13. The ES Series Circuit Board & Remote Control Connections ............24 10.14. ES Series Control Wiring........................25 10.15. DSTAT-1 Control Wiring .........................26 10.16. WIN-1 Control Wiring ........................27 10.17.

  • Page 3: Performance Ratings & Physical Data

    Nu-Air Ventilation Systems Inc. - HRV Operating & Installation Manual 1. PERFORMANCE RATINGS & PHYSICAL DATA Model: ES170 VENTILATION PERFORMANCE ENERGY PERFORMANCE EXT. STATIC NET SUPPLY GROSS AIR FLOW SUPPLY POWER SENSIBLE APPARENT PRESSURE AIR FLOW SUPPLY EXHAUST TEMP. AIR FLOW...
  • Page 4 Nu-Air Ventilation Systems Inc. - HRV Operating & Installation Manual Model: ES100 VENTILATION PERFORMANCE ENERGY PERFORMANCE EXT. STATIC NET SUPPLY GROSS AIR FLOW SUPPLY POWER SENSIBLE APPARENT PRESSURE AIR FLOW SUPPLY EXHAUST TEMP. AIR FLOW CONSUMED RECOVERY SENSIBLE in wg (Pa)

  • Page 5: How The Nu-Air System Works

    Nu-Air Ventilation Systems Inc. - HRV Operating & Installation Manual 2. HOW THE NU-AIR SYSTEM WORKS A. Powerful, centrifugal blowers bring fresh air into your home while an equal amount of stale, humid air is exhausted to the outside. This is NU-AIR’s balanced central ventilation system.

  • Page 6: Installation System Options

    Nu-Air Ventilation Systems Inc. - HRV Operating & Installation Manual • 10 cfm for each other room in the house Add these together to arrive at your TVC. This method is called the “Room Count Method” and is part of CSA F326 (Residential Mechanical Ventilation Systems).
  • Page 7 Nu-Air Ventilation Systems Inc. - HRV Operating & Installation Manual 3.2.3. Extended System, Continuous Ventilation The furnace fan may not need to run continuously with this system. Check local code requirements. For improved supply air distribution during continuous ventilation mode, the furnace may be interlocked to the HRV.
  • Page 8 3.2.7. Control Options (sold separately) The ES Series offers a wide range of control options to suit any lifestyle or preferred usage. The ES Series line of digital touch-pad controls come with wall plate and all fasteners necessary to fix them into a standard residential wall box.

  • Page 9: Ducting To The Outside

    Nu-Air Ventilation Systems Inc. - HRV Operating & Installation Manual Mix and Match Controls. Because the ES Series circuit board is equipped with separate, removable terminal blocks to accommodate both ES Series and Windsor Series controls, both types of controls may be used in the same installation.

  • Page 10: Mounting & Noise Control

    Connecting To Other Equipment - Residential Applications Interconnection with a forced air furnace duct system is permissible (see Section 3.2.2); however, your Nu-Air HRV is not intended to be connected to any other equipment or appliances. Flexible ducting may be desired in some installations for noise abatement.

  • Page 11: Drain Connections

    Access to a drain or sump is required to handle the HRV condensate. Care should be taken to run the condensate tube where it cannot freeze. For best results, Nu-Air recommends the following steps be followed when installing drain kits on residential HRV's.

  • Page 12: Balancing The System: High And Low Speed

    Balanced air flow between the supply and exhaust air streams is essential to the performance of an HRV or ERV. With the ES Series, changing motor speeds or balancing is quick and simple with two buttons recessed slightly into the unit’s cabinet. NO BALANCING DAMPERS ARE REQUIRED. Be sure to close windows and doors, and turn off all exhaust fans/appliances during the balancing procedure.
  • Page 13 Nu-Air Ventilation Systems Inc. - HRV Operating & Installation Manual NOTE: Factory default low speed is 40% of max high speed. Rev. 3.4 Sept. 20, 2011 - 13 -...

  • Page 14: Controls

    To balance the HRV, you will need a device to measure air flow. It is recommended to use either a magnehelic gauge or an air meter, both of which are available from Nu-Air. Depending on the device you are using, follow one of the two procedures below: Magnehelic Gauge: 1.

  • Page 15: Main Board Features

    Defrost Cycles The versatile ES Series main board is equipped with an array of jumpers which enable its use in a wide range of machine types and allow for field modification if desired. Unless you request otherwise, your ES Series model will arrive with optimal factory settings.

  • Page 16: Series Controls-12V

    (See illustration Section 10.2). 4.2. ES Series Controls—12V Each ES Series control is equipped with a touch pad and 3 LED’s. The touch pad is used to select mode of operation or turn the appliance off. The LED’s indicate which mode of operation the HRV/ERV is operating in.

  • Page 17: Windsor Series Controls & Switch-Based Control Options-24V

    4.2.4. ES-M3 - Control ES Series units are equipped with a recirculation system that will not recycle bathroom air. The re- circulation function of the ES-M3 enables you to re-circulate air for 40 minutes of every hour and is recommended for homes with radiant or hybrid heating systems where constant circulation alleviates stratification and dead zones.

  • Page 18: Furnace Interlock

    Nu-Air Ventilation Systems Inc. - HRV Operating & Installation Manual Constant - locks the motors in High speed Standard – normal operating mode enables functions 2 and 3 above. While it offers several convenient features and operating modes, the Windsor Control can be combined with the ES –T1 20/40/60 or WIN-20 timer to further customize system functions.

  • Page 19: Start-Up

    Vacuum every three months. Polyester filters should be replaced annually. Permanent electrostatic filters are available from your Nu-Air dealer. Filters remove easily by opening the front cover. 7.6. Fans When cleaning the filters, take the opportunity to vacuum any interior surfaces including the fan blades.

  • Page 20: Exterior Hoods

    Nu-Air Ventilation Systems Inc. - HRV Operating & Installation Manual 7.9. Exterior Hoods Regularly check the outside vents and clean any obstructions such as grass, leaves or other debris. Do not replace the screen with mesh smaller than 1/4" as this will restrict airflow. During winter operation, ensure snow and frost does not build up and restrict or block openings.

  • Page 21: Trouble Shooting

    Nu-Air Ventilation Systems Inc. - HRV Operating & Installation Manual 9. TROUBLE SHOOTING: SYMPTOM EXPLANATION ANSWER The humidity level seems HRV air flows incorrectly balanced. Balance Air Flow(s). • • • • • • • • too low. Dehumidistat control set too low.

  • Page 22: Electrical Schematics

    Nu-Air Ventilation Systems Inc. - HRV Operating & Installation Manual 10. ELECTRICAL SCHEMATICS 10.11. ES Series Wiring Diagrams ES170 ES100 Rev. 3.4 Sept. 20, 2011 - 22 -...

  • Page 23: Defrost, Recirculation And Furnace Interlock Settings

    Nu-Air Ventilation Systems Inc. - HRV Operating & Installation Manual 10.12. Defrost, Recirculation and Furnace Interlock Settings Defrost and recirculation modes are set according to model and, in some cases, by preferences. All models leaving the factory have their jumpers pre-set. Depending on local Codes, you may choose to interlock whenever the HRV/ERV is operating at any speed, or just high speed.

  • Page 24: The Es Series Circuit Board & Remote Control Connections

    10.13. The ES Series Circuit Board & Remote Control Connections The ES Series control board is divided into two “sections” comprising a 12V RS485 control standard and a 24V standard. With this feature, the user may use ES Series 12V controls and/or Windsor Series 24V controls or 2-wire, 24V switch.

  • Page 25: Series Control Wiring

    Nu-Air Ventilation Systems Inc. - HRV Operating & Installation Manual 10.14. ES Series Control Wiring Connect 4-conductor wire to the 12V (4-wire) removable terminal block for: ES-T1 ES-M1 ES-M2 ES-M3 ES-M4 Use a 3 mm flat-headed screwdriver DO NOT cross the (+12V/12) and ground (GND/G) wires.

  • Page 26: Dstat-1 Control Wiring

    2. As shown, R—SB jumper maintains the unit in a Standby mode (recommended). 3. R—L jumper provides continuous low speed. 4. DSTAT-1 can be combined with ES Series controls or up to 6 WIN-20 controls. R1 and/or R2 terminals may be used.

  • Page 27: Win-1 Control Wiring

    Nu-Air Ventilation Systems Inc. - HRV Operating & Installation Manual 10.16. WIN-1 Control Wiring Connect 4-conductor wire to the 24V (10-wire) removable terminal block. Notes: WIN-1 can be combined with ES Series controls or up to 6 WIN-20 controls. Rev. 3.4 Sept. 20, 2011 - 27 -...

  • Page 28: Win-20 Control Wiring

    Connect 3-conductor wire to the 24V (10-wire) removable terminal block. Notes: WIN-20 can be combined with ES Series controls or 24V controls discussed in this document. 2. If you are using ONLY a WIN-20 to control your unit, you must connect a jumper wire between R1 or R2 and SB on the 24V (10-wire) removable terminal block.

  • Page 29: Remote On/Off Switching And Spring Wound Timer Wiring

    Nu-Air Ventilation Systems Inc. - HRV Operating & Installation Manual 10.18. Remote On/Off Switching and Spring Wound Timer Wiring Use 2-conductor wire to the 24V (10-wire) removable terminal block. Notes: 1. R—SB jumper maintains the unit in a Standby mode (recommended).

  • Page 30: Warranties

    Delivery, installation, and labour cost would be your responsibility. Lifetime HRV Core Warranty If the recovery plastic core in your NU-AIR Heat Recovery Ventilator fails due to a defect in material or workmanship NU-AIR Ventilation Systems Inc. will supply a new core FOB Factory to replace the defective part.
  • Page 31 Windsor, Nova Scotia 16 Nelson St. P.O Box 2758 B0N 2T0 Canada Ph: 902-798-2261 Fax: 902-798-2557 Email: nuair@nu-airventilation.com Web: www.nu-airventilation.com...
  • Page 32 READ AND FILL OUT REGISTRATION ’ ’ CARD IMMEDIATELY THIS IS YOUR WARRANTY REGISTRATION CARD In order to properly validate your warranty, you must fill out and return this card. Failure to register unit will FIRST NAME LAST NAME require you to present proof of purchase should the unit NOM DU PRÉNOM ________________________ NOM DE FAMILLE______________________________ require service.

This manual is also suitable for:

Es100Es170

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