3-6 MAINTENANCE
P/N 9FQ6P11007900_B U.S. & Canada 1-800-922-1919 • Mexico 01 800-890-2900 • www.hussmann.com
CLEANING POWER PLUG
Remove the power plug from the power
socket and clean off the dust and dirt on the
terminals. Also clean off the dust and dirt on
the power cord and the surrounding. After
cleaning, wait 5 minutes before plugging the
power plug back into the power socket. Check
to ensure cord is not damaged or cracked.
Contact Hussmann for a replacement cord, or
a licensed service provider.
CLEANING DRAIN EVAPORATION
SYSTEM
Cleaning the system requires disassembly. This
merchandiser has an evaporation device that
consists of 2 evaporation trays, and upper tray,
and lower tray. Drain water goes to the upper
tray first to evaporate, and any remaining
water that does not evaporate will flow to the
lower tray. The waste water then flows to the
overflow drain pan.
Remove accumulated debris from the
evaporation pan.
Debris or dirt accumulation inside the trays
or on the condenser will reduce evaporation
capacity. Details of the evaporation system
unit are shown on the next page.
CHANGING MOISTURE WICKING
PLATES
Wicking plates must be replaced at least once
per year. The expected life span of the moisture
wicking plates will differ in accordance with
the installation environment, but absorption
capabilities will deteriorate with dust, oil and
other forms of soiling. The wicking plates are
shown in the illustration on the next page.
Contact your Hussmann representative for
replacement parts.
Dust or dirt may accumulate within a short
period depending on the conditions of the
installation place or the environment for use.
Check when cleaning. Wicking plate MUST be
changed at least once a year.
Evaporation System may be Hot!
and pose risk of bodily injury – Always Wear gloves
and protective eye wear when servicing. Turn off power
and allow to cool before servicing.
－ 33 －
● （Below is an example of MDN-4775A.）
②
Front panel
Evaporation tray
Wires
Clip
Screw
③
③
⑤
⑥ ⑥
④
Unit
② Remove 2 screws of the front panel, then the panel itself.
① Disconnect the power cable.
③ Remove 8 screws in the area shown by in the gure.
④ Pull out the unit.
Unplug
Evaporation tray assy
⑥ Remove 4 screws that x the evaporation tray assy.
⑤ Release clips that hold wires connected to
evaporation tray.
(Marked with in the gure in right.)
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