Bedienungsanleitung Kaysun KRE (Seite 6 von 20) (Englisch)

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3. INSTALLATION

3.1 Installation Preparation

WARNING

Keep all the accessories and tools until installation work is

completed.

● Leave the unit inside its packaging while moving, until reaching

the installation site. Where unpacking is unavoidable, use a sling

of soft material or protective plates together with a rope when

lifting, to avoid damage or scratches to the unit.

● Hold the unit by the hanger brackets when opening the crate and

moving it, and do not lift it holding on to any other part (especially

the duct connecting ange).

NOTE

Be sure to instruct customers how to properly operate the unit

(especially maintenance of air lter, and operation procedure) by

having them carry out operations themselves while looking at the

manual.

3.2 Select The Installation Site

CAUTION

When moving the unit during or after unpacking, make sure to lift

it by holding its hanger brackets. Do not exert any pressure on

other parts, especially duct connecting ange.

● Select an installation site where the following conditions are

fullled and meet with your customer’s approval.

● KRE should be installed far away from ofce, recreation or any

other places where silent environment are required. (install that

in special machine room or wash room is recommended)

● install in a place which has sufcient strength and stability.

(Beam, ceiling and other locations capable of fully supporting

the weight of the unit.) Insufcient strength is dangerous. It may

also cause vibration and unusual operating noise.

● Do not install the unit directly against a ceiling or wall. (If the

unit is in contact with the ceiling or wall, it can cause vibration.)

● Where sufcient clearance for maintenance and service can be

ensured.

CAUTION

● Install the units, power supply wiring and connecting wires at

least 1 meter away from televisions or radios in order to pre-

vent interference or noise. (Depending on the radio waves, a

distance of 1 meter may not be sufcient enough to eliminate

the electric interference.)

● The bellows may not be able to be used in some districts, so

exercise caution. contact your local government ofce or re

department for details.

● When discharging exhaust air to a common duct, the Building

Standard Law requires the use of re proof materials, so

attach a 2m copper plate standing duct.

● Do not install the unit in the following locations:

● Place subjected to high temperature or direct ame. May result in

re or overheating.

● Place such as machinery plant and chemical plate where gas,

which contains noxious gas or corrosive components of materials

such as acid, alkali organic solvent and plaint, is generated.

Place where combus tible gas leakage is likely.

Copper piping and brazed joins may corrode, causing refrigerant

to leak or poisoning and fore due to leaked gas.

● Place such as bathroom subjected to moisture.

Electric leak or electric shocks and other failure can be caused.

● Near machinery emitting electromagnetic waves.

Electromagnetic waves may disturb the operation of the control

system and result in a malfunction of the equipment.

3.3 Preparations Before Installation

● Conrm the positional relationship between the unit and suspen-

sion bolts.

Leave space for servicing the unit and include inspection hatch-

es. (Always open a hole on the side of the electric parts box so

that the air lters, heat exchange elements, fans, be easily be

inspected and serviced.)

● Make sure the range of the unit’s external static pressure is not

exceeded.

● Open the installation hole (Pre-setting ceilings)

Once the installation hole is opened in the ceiling where the unit

is to be installed, pass transmission wiring, and remote controller

wiring to the unit’s wiring holes.

After opening the ceiling hole, make sure ceiling is level if need-

ed. It might be necessary to reinforce the ceiling frame to prevent

shaking.

Please consult architect or woodworker, if necessary.

● Install the suspension bolts. (Use M10 to M12 suspension bolts.)

Use a hole-in anchor, sunken insert anchor for existing ceilings,

or other parts to be procures in the eld to reinforce the ceiling to

bearing the weight of the unit.

● Install vibration damping feet. (For vibration damping)

Wooden structure

Put rectangular sticks across the beams, and set pendant bolts.

Wooden span

Beam

Ceiling

Pendant bolt(M10 to M12)

Old concrete roughcast

Use embedded bolts and embedded pulling plugs.

Fig. 3-1

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