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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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Содержание NU2200

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

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

Страница 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...

Страница 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...

Страница 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...

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

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