Unit - Greenheck HRE-20 Installation, operationand Maintenance Manual

Heat recovery unit with evaporative cooling
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START-UP CHECKLIST FOR UNIT
SAFETY 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 .
SAFETY CAUTION!
Do not operate energy recovery ventilator without
the filters and birdscreens installed . They prevent the
entry of foreign objects such as leaves, birds, etc .
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 ____________________________
Unit Serial Number ____________________________
Energy Wheel Date Code ____________________________
Start-up date ____________________________
Start-up Personnel Name ____________________________
Start-up Company ____________________________
Phone Number ____________________________
Pre-Start Up Checklist -
o Disconnect and lock-out all power switches
o Remove any foreign objects that are located in the energy recovery unit .
o Check all fasteners, set-screws, and locking collars on the fans, bearings, drives, motor bases and
accessories for tightness .
o Rotate 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 .
o Check the fan belt drives for proper alignment and tension (refer to Start-Up section for more
information) .
o Filters 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) .
o Verify that non-motorized dampers open and close properly .
o Check the tightness of all factory wiring connections .
o Verify control wire gauge (refer to the Electrical Connections section) .
o Verify diameter seal settings on the energy recovery wheel (refer to Start-Up section for more
information .
o Verify proper drain trap installation (refer to Drain Trap section) .
o For plenum or BI fans, check the radial gap and overlap . Adjust if necessary .
check boxes as items are completed
SAFETY CAUTION!
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 .
CAUTION!
Do not run unit during construction phase . Damage
to internal components may result and void warranty .
(e .g . HRE-55)
(e .g . 04C99999)
(e .g . 0450)
(MM/DD/YYYY)
29

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