Mitsubishi Electronics Complete Guide to Mitsubishi Lossnay 50 and LGH-150 Operation and Maintenance

Operation (Continued)

1. Reduces cooling load 3. Office equipment room cooling

English

If the air outside is cooler than the air inside the building during the cooling season (such as early morning or at night), “By-pass” ventilation will draw in the cooler outside air and reduce the cool- ing load on the system.

2.Night purge

“By-pass” ventilation can be used to release hot air from inside the building that has accumulated in buildings a business district during the hot summer season.

During cold season, outdoor air can be drawn in and used as is to cool rooms where the temperature has risen due to the use of office equipment.

(Only when interlocked with City Multi and Mr. Slim indoor unit)

Maintenance

Remove all dust and dirt on air filters and Lossnay core(s) at regular intervals in order to prevent a deterioration in the Lossnay functions.

Guideline: Clean the air filters once a year.

Clean the Lossnay core(s) once two year.

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.

Maintenance cover	Maintenance covers
Hinge bracket
Hinge
	Hinge

Hinge bracket

Models LGH-15 to 100 RX4 Models LGH-150 and 200 RX4

2) Lossnay core(s)

Take hold of the handle and draw the Lossnay cores out from the main unit.

Model LGH-15 RX4:	1 core
Models LGH-25 to 100 RX4:	2 cores
Models LGH-150 and 200 RX4:	4 cores

Velcro

Lossnay core

Air filters

Cleaning the parts

1) Air filters

Use a vacuum cleaner to remove light dust. To remove stubborn dirt wash in a mild solution of detergent and lukewarm water. (under 40°C)

Vacuum cleaner

Air filter

CAUTION

•Never wash the filters in very hot water and never wash them by rubbing them.

•Do not dry the filters by exposing them to a flame.

Lossnay core

Handle

Handle

2) Lossnay core

Lossnay core

Main unit

Models LGH-15 to 100 RX4 Models LGH-150 and 200 RX4

3) Air filters

After pulling out the Lossnay core(s), pull the air filters, located at the bottom left and right of the Lossnay core(s), off the velcro that holds them in place.

Models LGH-15 RX4:	2 filters
Models LGH-25 to 100 RX4:	4 filters
Models LGH-150 and 200 RX4:	8 filters

Use a vacuum cleaner to suck up the dust and dirt on the exposed surfaces of the Lossnay cores. Use a soft brush only to clean ex- posed surface areas.

Do NOT wash in water.

Lossnay core

Corner	Vacuum cleaner
	(with brush attachment)

CAUTION

•Do not use the hard nozzle of the vacuum cleaner. It may damage the exposed surfaces of the Lossnay core(s).

•Under no circumstances should the Lossnay core(s) be washed in water.

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