Nu-Air NU2200 Operating, Maintaining & Installing Instructions Download Page 13 | Manualshive

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Nu-Air Ventilation Systems Inc. - HRV Operating &Installation Manual

Revised April 27, 2012

Page 13 of 17

3 Phase Fan Defrost

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Summary of Contents for NU2200

Page 1: ...HE EA AT T E EN NE ER RG GY Y R RE EC CO OV VE ER RY Y V VE EN NT TI IL LA AT TO OR RS S LEAVE THIS DOCUMENT WITH THE BUILDING OWNER Specifications dimensions and ratings may change without notice as...

Page 2: ...s 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...

Page 3: ...ystem or an existing air distribution system 2 DEFROST NU1824 H ERV s are supplied with an automatic defrost system Two defrost methods are available Timed fan shut down defrost A temperature sensor s...

Page 4: ...On time or increase the OFF time for less defrost 4 MAINTENANCE NOTE Disconnect power before servicing 4 1 Filters Dirty filters can reduce ventilation efficiency resulting in unbalanced airflow and...

Page 5: ...fresh water to remove any contaminants that pass through the filters Do not use high pressure water supply A mild non corrosive enzyme detergent can be utilized if desired 4 6 Exterior Hoods Regularl...

Page 6: ...ing as necessary 6 INSTALLATION INSTRUCTIONS 6 1 Installer s Responsibilities Installers are responsible for the performance of the ventilation system and for ensuring that all codes and standards are...

Page 7: ...or cleaning purposes If the H ERV can be located close to the outside wall s containing the hoods the resulting short duct lines will minimize airflow restrictions 6 4 1 Locating the Weather Hoods The...

Page 8: ...U channel and vibration isolation is permissible ensure rods do not obstruct access for maintenance and service Flexible duct connector PRO flex or other should be used at all four collars of the HRV...

Page 9: ...flange of each drain spout A 2 Insert the drain spouts through the holes in the drain pan B 3 Use the speed nut to tightly secure the drain spout 4 Cut two lengths of drain hose E long enough to avoi...

Page 10: ...ll windows and doors Turn off any exhaust only systems To balance the HRV set the machine on high speed Make a small hole in the supply duct at least 10 feet downstream of the fan Insert a Pitot tube...

Page 11: ...Nu Air Ventilation Systems Inc HRV Operating Installation Manual Revised April 27 2012 Page 11 of 17 7 1 Electrical Schematics Single Phase Timed Fan Defrost...

Page 12: ...Nu Air Ventilation Systems Inc HRV Operating Installation Manual Revised April 27 2012 Page 12 of 17 Single Phase Temperature Fan Defrost...

Page 13: ...Nu Air Ventilation Systems Inc HRV Operating Installation Manual Revised April 27 2012 Page 13 of 17 3 Phase Fan Defrost...

Page 14: ...BD5G 2 T1 Terminal Block SAK6 7 T2 Terminal Block SAK4 2 Defrost Thermostat VB 11 1 MTR 1 5 hpMotor C1160 2 S1 Selector Switch OHY3PH 1 Disc Disconnect OT30ET3 1 F1 1A Glass Fuse 312 1A 2 S2 Selector...

Page 15: ...ised April 27 2012 Page 15 of 17 8 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 MVL...

Page 16: ...ERV polymer cores Should a manufacturing defect occur during the warranty period Nu Air will supply replacement parts FOB our plant at no charge Labour costs to remove and reinstall these parts are n...

Page 17: ...Nu Air Ventilation Systems Inc HRV Operating Installation Manual Revised April 27 2012 Page 17 of 17...

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