Mitsubishi LGH-40ES-E Installation Manual

Mitsubishi Lossnay for Business Use

Model

LGH-40ES-E

Installation Instructions (For use by dealer/ contractor)

This product needs to be installed properly in order to demonstrate the designed functions to the maximum as
well as to secure the safety. Please make sure to read this installation manual before starting the installation.

■Installation must be made by a dealer or installation contractor. Please note that improper installation could cause
malfunction or accident.

Separate booklet “Instruction Manual” is provided for the customer.
The booklet and this manual must be handed over to the customer after completing the installation.

English

Safety Precautions

●The following signs indicate that death or serious injury may be caused a failure to heed the precautions

described below and the resultant mishandling of the product.

Do not modify or disassemble.
(It could cause fire, electric shock or injury.)

Both the main unit and the wall switch should not be installed where it is highly humid, like bathroom, or other..
(It could cause electric shock or earth leakage.)

Use the specified power supply and voltage. (Use of incorrect power supply or voltage could cause fire or electric shock.)
Select a place with sufficient strength and install the main unit securely. (It could cause injury if it drops off.)

Wiring work must be implemented safely and securely in accordance with the engineering standards and the extension wiring
rules for electrical equipment. (Poor connection or improper wiring work could cause electric shock or fire.)
Install an earth leakage circuit breaker at the power supply side for protection against the earth leakage.
(It could cause fire if earth leakage occurs.)
Use the specified wires and connect them securely to prevent disengagement when they are pulled.
（If a defect is in the connection, there is possibility of fire.）
Select an adequate place for the opening to introduce outdoor air, where it will not inhale the exhaust fumes like combustion
gas, or others, and there is no risk of blockage by snow fall, or others.
(Shortage of fresh air could put the room in the state of oxygen deficiency.)
Duct made of steel must be installed with care not to be connected electrically with metals such as the metal lath, wire
lath, stainless steel plate, or others. (It could cause fire when the earth leakage occurs.)

Do not use at a place where exposed to naked flames or in environment with fume of oil or organic solvent.
(It could cause fire.)

Put on gloves during installation. (It could cause injury.)
Make sure the circuit breaker is turned off on the power distribution panel when operation is stopped for a long period of
time after the installation. (It could cause electric shock, earth leakage or fire as a result of deteriorated insulation.)
Always use the specified suspension bolts, nuts and washer.
(Use of hardware with insufficient strength could result in the dropping of product.)

1

Outline Drawings Sample inst allations

n

Attention

・Provide heat insulation to prevent

moisture condensation along the two
outside ducts(fresh-air intake and
exhaust-air outlet).

・Do not use vent caps or round hoods i

places directly exposed to rain.

■When a window is changed into an
aluminum board and duct piping is
carried out.

Inst allation method

Preparation for installation

1

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Embed off-the-shelf anchor bolts (M10～M12) at the ceiling
suspension fixture mounting positions beforehand, referring to the
outside dimension drawing and the example of installation as shown
above.
１． Adjust the length of anchor bolt so that double nuts can be

used af ter installing the main unit, as shown at left. (If it
is too long,
it could interfere with the spring hook, or others.)

２．Install off-the-shelf washers (□32 mm or larger for M10, □36

mm or larger for M12) and nuts as shown at left.

Drill holes for suction and exhaust air.

●Drill holes of φ220 on the wall referring to the outside
dimension drawing and the example of installation.

※Pitches of suspension bolts and suction/exhaust holes must be

adjusted within ±2 mm.

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Removal of front panel and side cover
① Remove the screws at each side on the front panel.

② Raise this side of the front panel.
③ Hold and disengage the spring from the slot. (2 places)
④ Draw out the front panel in the arrow direction.
⑤ Remove screws (2 pcs.), which are securing the drop prevention

wires on the main unit.

⑥ Remove screws at right and left (2 pcs. each) and remove the

side covers.

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