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WARNING
Disconnect
all
Follow
proper lockout / tagout procedures to ensure the equipment cannot be
inadvertently
energized. Secure drive sheaves to ensure rotor cannot freewheel.
Failure to secure drive sheaves or disconnect power before servicing could result in death
or serious injury. If there is a heater, wait for the heater to cool.
Filter Maintenance
For best performance, clean up the air filters periodically. Best on every 3 operating months,
or at least once per year.
Change filters after cleaning them 6 times, or earlier if necessary.
WARNING
Do not start system without air filters properly installed and inspection doors screwed.
Otherwise, blockages in heat exchanger may occur.
HOW TO ACCESS FILTERS
STEP 1
To open the service door, remove out 4 screws on the service cover.
STEP 2
With the opened service door, the filter service holes for fresh air filter(s) and return
air filter will be visible.
STEP 3
Remove the filter(s) as shown in the figure and do the maintenance as described in
this manual.
electric
power,
including
Maintenance
remote
disconnects
before
servicing.
7
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