Installation Work; Selecting An Installation Location; Installation Dimension; Installation Method - Fujitsu 9384203007-04 Manuel D'installation

3. INSTALLATION WORK

• Do not turn on the power until all installation work is complete.
• Carrying and installation of the unit should be performed by a suffi cient number of
people and with suffi cient equipment that is adequate for the weight of the unit.
Performing such work with an insuffi cient number of people or with inadequate equip-
ment could result in dropping of the unit or personal injury.
For installation details, refer to the technical data.
■ Important information about efficiency and indoor air quality
To maintain efficiency, comfort and good indoor air quality, it is important to have the
proper balance between the air being supplied to each room and the air returning to the
cooling and heating equipment.
Proper balance and sealing of the duct system improves the effi ciency of the heating and
air conditioning system and improves the indoor air quality of the home by reducing the
amount of airborne pollutants that enter homes from spaces where the ductwork and/or
equipment is located. The manufacturer and the U.S. Environmental Protection Agency's
Energy Star Program recommend that duct systems be checked by a qualifi ed contractor
for proper balance and sealing.
■ Checking product received
Immediately upon receipt, all cartons and contents should be inspected for transit damage.
Units with damaged cartons should be opened immediately. If damage is found, it should
be noted on the delivery documents and a damage claim fi led with the delivering carrier.
After unit has been delivered to the job site, remove the unit from the carton taking care
not to damage the unit. Check the unit rating plate for unit model number, unit size, coil
model, voltage, phase, etc. to assure the unit matches the job specifi cations.

3. 1. Selecting an installation location

Decide the mounting position together with the customer as follows.
• Select installation locations that can properly support the weight of the indoor unit
and which will not amplify sound or vibration. If the installation location is not strong
enough, the indoor unit may fall and cause injuries.
• Install the units securely so that they do not topple or fall.
Do not install the unit in the following areas:
– Area with high salt content, such as at the seaside. It will deteriorate metal parts,
causing the parts to fail or the unit to leak water.
– Area fi lled with mineral oil or containing a large amount of splashed oil or steam,
such as a kitchen. It will deteriorate plastic parts, causing the parts to fail or the unit
to leak water.
– Area where is close to heat sources.
– Area that generates substances that adversely aff ect the equipment, such as sulfuric
gas, chlorine gas, acid, or alkali. It will cause the copper pipes and brazed joints to
corrode, which can cause refrigerant leakage.
– Area that can cause combustible gas to leak, contains suspended carbon fi bers or
fl ammable dust, or volatile in fl ammables such as paint thinner or gasoline.
– If gas leaks and settles around the unit, it can cause a fi re.
– Area where animals may urinate on the unit or ammonia may be generated.
• Do not use the unit for special purposes, such as storing food, raising animals, grow-
ing plants, or preserving precision devices or art objects. It can degrade the quality of
the preserved or stored objects.
• Install the unit where drainage does not cause any trouble.
• Install the indoor unit, outdoor unit, power supply cable, transmission cable, and
remote control cable at least 40 in (1 m) away from a television or radio receivers. The
purpose of this is to prevent TV reception interference or radio noise.
(Even if they are installed more than 40 in (1 m) apart, you could still receive noise
under some signal conditions.)
• If children under 10 years old may approach the unit, take preventive measures so that
they cannot reach the unit.
• Install the unit where ambient temperature does not reach 140 °F (60 °C) or more.
Take a measure such as ventilation for an environment in which heat is retained.
(1) The inlet and outlet ports should not be obstructed; the air should be able to blow all
over the room.
(2) Leave the space required to service the air conditioner.
(3) Install the unit where connection to the outdoor unit is easy.
(4) Install the unit where the connection pipe can be easily installed.
(5) Install the unit where the drain pipe can be easily installed.
(6) Install the unit where noise and vibrations are not amplifi ed.
(7) Take servicing, etc., into consideration and leave the spaces. Also install the unit where
the fi lter can be removed.
(8) Do not install the unit where it will be exposed to direct sunlight.
Correct initial installation location is important because it is diffi cult to move unit after it is
installed.
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WARNING
CAUTION
WARNING
CAUTION

3. 2. Installation dimension

Provide a service access for maintenance purposes.
(Top side)
Service access
24 (600)
or more
* The service access necessary for fan units and fi lter maintenance.

3. 3. Installation method

■ Vertical upflow and horizontal left discharge
• Vertical Upfl ow and Horizontal Left Discharge is the factory confi guration for all models.
• The return air plenum must be large enough to supply unit and strong enough to support
unit weight.
• If return air is to be ducted through the fl oor, install duct fl ush with fl oor. Use fi reproof
resilient gasket 1/8 to 1/4 in (3.2 to 6.4 mm) thick between duct, unit and fl oor. Set unit on
fl oor over opening.
■ IMPORTANT: Do not cut the side out of air-handler cabinet for a side return duct as
this will result in the return air bypassing the coil. Instead, install air-handler on top of a
field supplied sheet metal or wooden box and run the side return duct into the side of the
box.
For installation method, the following 4 patterns are available.
■ Pattern A: Vertical installation, air intake port at the bottom
AIR
AIR
■ Pattern B: Horizontal installation, air intake port at the right
AIR
Unit: in (mm)
4 (100)
or more
AIR
En-5
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