Greenheck Fan ERV-251 General Start-Up Information, Pre Start-Up Checklist check as items are

Start-Up

DANGER

Electric shock hazard. Can cause injury or death. Before attempting to perform any service or maintenance, turn the electrical power to unit to OFF at disconnect switch(es). Unit may have multiple power supplies.

WARNING

Use caution when removing access panels or other unit components, especially while standing on a ladder or other potentially unsteady base. Access panels and unit components can be heavy and serious injury may occur.

Do not operate energy recovery ventilator without the filters and birdscreens installed. They prevent the entry of foreign objects such as leaves, birds, etc.

CAUTION

Do not run unit during construction phase. Damage to internal components may result and void warranty.

General Start-Up Information

Every installation requires a comprehensive start- up to ensure proper operation of the unit. As part of that process, the following checklist must be completed and information recorded. Starting up the unit in accordance with this checklist will not only ensure proper operation, but will also provide valuable information to personnel performing future maintenance. Should an issue arise which requires factory assistance, this completed document

will allow unit experts to provide quicker resolve. Qualified personnel should perform start-up to ensure safe and proper practices are followed.

Unit Model Number ________________________________

(e.g. ERV-361)

Unit Serial Number ________________________________

	(e.g. 04C99999 or 10111000)
Energy Wheel Date Code___________________________
	(e.g. 0450)
Start-Up Date	________________________________

Start-Up Personnel Name___________________________

Start-Up Company ________________________________

Phone Number ________________________________

Pre Start-Up Checklist – check as items are

completed.

oDisconnect and lock-out all power switches

oRemove any foreign objects that are located in the energy recovery unit.

oCheck all fasteners, set-screws, and locking collars on the fans, bearings, drives, motor bases and accessories for tightness.

22Model ERV Energy Recovery Unit

oRotate the fan wheels and energy recovery wheels by hand and ensure no parts are rubbing. If rubbing occurs, refer to Start-Up section for more information.

oCheck the fan belt drives for proper alignment and tension (refer to Start-Up section for more information).

oFilters can load up with dirt during building construction. Replace any dirty pleated filters and clean the aluminum mesh filters in the intake hood (refer to Routine Maintenance section).

oVerify that non-motorized dampers open and close properly.

oCheck the tightness of all factory wiring connections.

oVerify control wire gauge (refer to the Electrical Connections section).

oVerify diameter seal settings on the energy recovery wheel (refer to Start-Up section for more information).

SPECIAL TOOLS REQUIRED

•Voltage Meter (with wire probes)

•Amperage Meter

•Thermometer

•Tachometer

•Incline manometer or equivalent

Start-Up Checklist

The unit will be in operational mode during start-up. Use necessary precautions to avoid injury. All data must be collected while the unit is running. In order to measure volts & amps, the control center door must be open, and the unit energized using a crescent wrench to turn the disconnect handle.

Check line voltage at unit disconnect

________	L1-L2 volts
________	L2-L3 volts
________	L1-L3 volts
Motor Amp Draw
• Supply Fan		• Exhaust Fan
________	L1 amps	_______			L1 amps
________	L2 amps	_______			L2 amps
________	L3 amps	_______			L3 amps
• Energy Wheel
________	L1 amps
________	L2 amps
________	L3 amps
Fan RPM
________	Supply Fan	_______			Exhaust Fan
Correct fan rotation direction
Supply Fan		Yes	/	No
Exhaust Fan		Yes	/	No