User`s manual

ML180-MLT350 Dehumidifiers
22
4 Maintenance 190TGB-1034-A
Component
Inspection/Maintenance Procedure
3-6 Months 12 Months
Process and
reactivation filter
Clean filter housing and change filter if
dirty.
Clean filter housing and change filter.
Dehumidifier housing Check for physical damage and clean unit
externally and internally as necessary.
Check for physical damage and clean unit
externally and internally as necessary.
Process and
reactivation fans
Check for physical damage and clean the
fan motor housing as required.
Remove all dirt and dust in the motor cooling
air intakes. Check the motor electrical
connections and make sure they are properly
tightened. Inspect for damage and over-
heating.
Check the fan impellers for damage and
clean if necessary.
Drive motor assembly Check the drive belt tension and adjust if
necessary.
Check the drive motor electrical connections
and make sure they are properly tightened.
Inspect the drive motor for damage or over-
heating.
Rotor and sealing Check for overheating and clogging.
Remove dust accumulation on the frontal
area of the rotor if necessary.
Check the seals for damage or wear.
Check for overheating and clogging. Remove
dust accumulation on the frontal area of the
rotor if necessary.
Use a vacuum cleaner, not compressed air.
Check the seals for damage or wear.
Electrical panel and
cables
Inspect the components in the electrical
panel for damage or overheating.
Inspect the components in the electrical
panel for damage or overheating.
Check the seals at cable entries. Check that
the electrical terminals are properly tightened.
Remove dirt and dust around all components.
Reactivation heater Check all cables, pipes etc. and control
devices with respect to safety.
Check electrical connections and make sure
they are properly tightened.
Ducting connections Check for air leakage and proper
attachment to the unit.
Check for air leakage and proper attachment
to the unit. Check for dirt inside the ducting
and for physical damage.
Humidistat or humidity
transmitter
N/A Check sensor functions and calibrate or
replace if necessary.
Table 4-1. Maintenance plan