BBHD12-277 Heater
13
10) Preventative Maintenance of the Heater
1.
Do not use a power washer to clean off the exterior of the unit. It is high voltage
electrical equipment.
Component
Action
Frequency
Entire Unit
Walk around the load bank
and inspect for :
a) Obvious Damage
b) Loose hardware
Check every use
All exterior bolts that hold the
sheet metal.
Tighten the ¼-20 hardware to
5 ft.-lbs.
Check monthly.
Resistance readings
Using an ohm meter, check
each step for the correct
resistance. The reactors
should have continuity
between input and output.
These values are part of
Appendix B wiring schematic.
Check every 6 months
Electrical Components/ Wiring
Check throughout the unit for
loose wires, or electrical
components that are no longer
secure to their mounting plate.
Check every 6 months
Fan
Check the fan for damage that
could cause the airflow to
change such as damaged or
missing bearing, or damaged
blades.
Check Annually
Contactors
Ensure contacts are opening
and closing
Check Annually
Содержание BBHD12-277
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