Maintenance
14
Control Enclosure Maintenance
Performing preventative maintenance will ensure proper air circulation to internal
components. How much maintenance is required depends on the surrounding
environment.
Filters
One filter is located on the inside bottom door panel
(
) and another is located in the hood
above the door panel. Remove the filters and clean
with warm, soapy water and dry gently. Check the
filters for signs of damage such as tears, cuts, and
excessive wear from the environment. If necessary,
order a new filter (Hoffman
®
part number WFF1 – visit
).
Fan
A fan is located inside the top of the enclosure
(
). When checking the filters, clean
the fan blades with compressed air. If the fan is
making excessive noise or squealing after cleaning,
replace it.
Thermostat
A thermostat next to the fan controls when to turn
it on (
). To test the thermostat, rotate the
temperature dial to the current air temperature
and verify the fan starts. If the fan does not start,
replace it and the thermostat. After checking/
replacing the thermostat, be sure to set the
temperature dial back to 85–95° F (29–35° C).
Figure 22:
Filter inside Door Panel
Figure 23:
Fan & Thermostat
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