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Service Life; Cleaning The Lossnay Core And Pre-filter - Mitsubishi Electric Lossnay series Technical Manual

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CHAPTER 9
Service Life and Maintenance

1. Service Life

The Lossnay Core has no moving parts, which eliminates vibration problems and permits greater installation flexibility. In
addition, chemicals are not used in the energy recovery system. Performance characteristics remain constant throughout the
period of service.
A lifetime test, currently in progress and approaching thus for 17,300 hours, has revealed no evidence of either reduction in
energy recovery efficiency or material deterioration. If 2,500 hours is assumed to be the number of hours an air conditioner is
used during a year, 17,300 hours equals to about seven (7) years.
(This is not a guarantee of the service life.)

2. Cleaning the Lossnay Core and Pre-filter

Remove all dust and dirt on air filters and Lossnay cores at regular intervals in order to prevent a deterioration in the Lossnay functions.
Guideline: Clean the air filters once a year. (or when "FILTER" and "CLEANING" are indicated on the remote controller)
Clean the Lossnay cores once two year. (Clean the Lossnay cores once a year If possible.)
(Frequency should be increased depending on the extent of dirt.)
2.1 Removing the parts
1) Maintenance cover
Locate and remove the cover fixing screw. Pull back the hinged clip.
Open the door and lift off of the hinge brackets.
2) Lossnay cores
Take hold of the handle and draw the Lossnay cores out from the
main unit.
Models LGH-F300 to F600RX
Models LGH-F1200RX
:
...........................................
5
3) Air filters
After pulling out the Lossnay cores, undo filter guides, then remove
the air filters, located at the bottom left and right of the Lossnay
cores, as below.
Models LGH-F300 to F600RX
Models LGH-F1200RX
:
...........................................
5
CAUTION
Bow filter stoppers a little to remove them from filter guide.
Take filter stoppers careful not to break them.
U-82
:
................................
2 cores
5
4 cores
:
................................
4 filters
5
8 filters
Maintenance cover
Hinge
Hinge
bracket
Models LGH-F300 to F600RX
Lossnay core
Handle
Main unit
Air filter
Models LGH-F300 to F600RX
Filter stopper
Hinge
Maintenance cover
Models LGH-F1200RX
5
Handle
Lossnay
core
Air filter
Models LGH-F1200RX
5
Filter guide
Hinge
bracket
5
Main unit
5

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