Mitsubishi FDTC25VD Spezifikationen PDF herunterladen (Seite 77)

'10 • SR-T-091

SAFETY PRECAUTIONS

WARNING

• We recommend you to read this “SAFETY PRECAUTIONS” carefully before

the installation work in order to gain full advantage of the functions of the unit

and to avoid malfunction due to mishandling.

• The precautions described below are divided into

and . The matters with possibilities leading to

serious consequences such as death or serious personal injury due to

erroneous handling are listed in the and the matters with

possibilities leading to personal injury or damage of the unit due to erroneous

handling including probability leading to serious consequences in some cases

are listed in . These are very important precautions for safety.

Be sure to observe all of them without fail.

• Be sure to confirm no anomaly on the equipment by commissioning after

completed installation and explain the operating methods as well as the

maintenance methods of this equipment to the user according to the owner’s

manual.

• Keep the installation manual together with owner’s manual at a place where

any user can read at any time. Moreover if necessary, ask to hand them to a

new user.

• For installing qualified personnel, take precautions in respect to themselves by

using suitable protective clothing, groves, etc., and then perform the

installation works.

• Please pay attention not to fall down the tools, etc. when installing the unit at

the high position.

• If unusual noise can be heard during operation, consult the dealer.

• Symbols which appear frequently in the text have the following meaning:

• This instruction manual illustrates the method of installing an indoor

unit.

• For electrical wiring work, please see instructions set out on the

backside.

• For outdoor unit installation and refrigerant piping, please refer to page 90.

• A wired remote control unit is supplied separately as an optional part.

• When install the unit, be sure to check whether the selection of

installation place, power supply specifications, usage limitation (piping

length, height differences between indoor and outdoor units, power

supply voltage and etc.) and installation spaces.

Strictly prohibited

Observe instructions

with great care

Provide proper

earthing

CAUTION

WARNING

CAUTION

WARNING

• Installation must be carried out by the qualified installer.

If you install the system by yourself, it may cause serious trouble such

as water leaks, electric shocks, fire and personal injury, as a result of a

system malfunction.

• Install the system in full accordance with the instruction manual.

Incorrect installation may cause bursts, personal injury, water leaks, electric

shocks and fire.

• Be sure to use only for household and residence.

If this appliance is installed in inferior environment such as machine shop

and etc., it can cause malfunction.

• Use the original accessories and the specified components for

installation.

If parts other than those prescribed by us are used, It may cause water

leaks, electric shocks, fire and personal injury.

• Install the unit in a location with good support.

Unsuitable installation locations can cause the unit to fall and cause

material damage and personal injury.

• Ventilate the working area well in the event of refrigerant leakage

during installation.

If the refrigerant comes into contact with naked flames, poisonous gas is

produced.

• When installing in small rooms, take prevention measures not to

exceed the density limit of refrigerant in the event of leakage.

Consult the expert about prevention measures. If the density of refrigerant

exceeds the limit in the event of leakage, lack of oxygen can occur, which

can cause serious accidents.

• After completed installation, check that no refrigerant leaks from

the system.

If refrigerant leaks into the room and comes into contact with an oven or

other hot surface, poisonous gas is produced.

• Use the prescribed pipes, flare nuts and tools for R410A.

Using existing parts (for R22 or R407C) can cause the unit failure and

serious accidents due to burst of the refrigerant circuit.

• Tighten the flare nut by torque wrench with specified method.

If the flare nut were tightened with excess torque, this may cause burst and

refrigerant leakage after a long period.

• The electrical installation must be carried out by the qualified

electrician in accordance with “the norm for electrical work” and

“national wiring regulation”, and the system must be connected to

the dedicated circuit.

Power supply with insufficient capacity and incorrect function done by

improper work can cause electric shocks and fire.

• Be sure to shut off the power before starting electrical work.

Failure to shut off the power can cause electric shocks, unit failure or

incorrect function of equipment.

• Be sure to use the cables conformed to safety standard and cable

ampacity for power distribution work.

Unconformable cables can cause electric leak, anomalous heat production

or fire.

• This appliance must be connected to main power supply by means

of a circuit breaker or switch (fuse:16A) with a contact separation of

at least 3mm.

• When plugging this appliance, a plug conforming to the norm

IEC60884-1 must be used.

• Use the prescribed cables for electrical connection, tighten the

cables securely in terminal block and relieve the cables correctly to

prevent overloading the terminal blocks.

Loose connections or cable mountings can cause anomalous heat

production or fire.

• Arrange the wiring in the control box so that it cannot be pushed up

further into the box. Install the service panel correctly.

Incorrect installation may result in overheating and fire.

• Be sure to switch off the power supply in the event of installation,

inspection or servicing.

If the power supply is not shut off, there is a risk of electric shocks, unit

failure or personal injury due to the unexpected start of fan.

CAUTION

• Use the circuit breaker with sufficient breaking capacity.

If the breaker does not have sufficient breaking capacity, it can cause the

unit malfunction and fire.

• Earth leakage breaker must be installed.

If the earth leakage breaker is not installed, it can cause electric shocks.

• Install isolator or disconnect switch on the power supply wiring in

accordance with the local codes and regulations.

• Be sure to install indoor unit properly according to the instruction

manual in order to run off the drainage smoothly.

Improper installation of indoor unit can cause dropping water into the room

and damaging personal property.

• Install the drainage pipe to run off drainage securely according to

the installation manual.

Incorrect installation of the drainage pipe can cause dropping water into the

room and damaging personal property.

• Be sure to install the drainage pipe with descending slope of 1/100

or more, and not to make traps and air-bleedings.

Check if the drainage runs off securely during commissioning and ensure

the space for inspection and maintenance.

• Secure a space for installation, inspection and maintenance

specified in the manual.

Insufficient space can result in accident such as personal injury due to

falling from the installation place.

• For installation work, be careful not to get injured with the heat

exchanger, piping flare portion or screws etc.

• Be sure to insulate the refrigerant pipes so as not to condense the

ambient air moisture on them.

Insufficient insulation can cause condensation, which can lead to moisture

damage on the ceiling, floor, furniture and any other valuables.

• When perform the air conditioner operation (cooling or drying

operation) in which ventilator is installed in the room. In this case,

using the air conditioner in parallel with the ventilator, there is the

possibility that drain water may backflow in accordance with the

room lapse into the negative pressure status. Therefore, set up the

opening port such as incorporate the air into the room that may

appropriate to ventilation (For example; Open the door a little). In

addition, just as above, so set up the opening port if the room lapse

into negative pressure status due to register of the wind for the high

rise apartment etc.

• Do not install the unit in the locations listed below.

• Locations where carbon fiber, metal powder or any powder is floating.

• Locations where any substances that can affect the unit such as sulphide

gas, chloride gas, acid and alkaline can occur.

• Vehicles and ships.

• Locations where cosmetic or special sprays are often used.

• Locations with direct exposure of oil mist and steam such as kitchen and

machine plant.

• Locations where any machines which generate high frequency harmonics

are used.

• Locations with salty atmospheres such as coastlines.

• Locations with heavy snow (If installed, be sure to provide base flame and

snow hood mentioned in the manual).

• Locations where the unit is exposed to chimney smoke.

• Locations at high altitude (more than 1000m high).

• Locations with ammonic atmospheres.

• Locations where heat radiation from other heat source can affect the unit.

• Locations without good air circulation.

• Locations with any obstacles which can prevent inlet and outlet air of the

unit.

• Locations where short circuit of air can occur (in case of multiple units

installation).

• Locations where strong air blows against the air outlet of outdoor unit.

It can cause remarkable decrease in performance, corrosion and damage

of components, malfunction and fire.

• Do not install the indoor unit in the locations listed below (Be sure

to install the indoor unit according to the installation manual for

each model because each indoor unit has each limitation).

• Locations with any obstacles which can prevent inlet and outlet air of the

unit.

• Locations where vibration can be amplified due to insufficient strength of

structure.

• Locations where the infrared receiver is exposed to the direct sunlight or

the strong light beam (in case of the infrared specification unit).

• Locations where an equipment affected by high harmonics is placed (TV

set or radio receiver is placed within 1m).

• Locations where drainage cannot run off safely.

It can affect performance or function and etc.

• Do not install the unit near the location where leakage of

combustible gases can occur.

If leaked gases accumulate around the unit, it can cause fire.

• Do not install the unit where corrosive gas (such as sulfurous acid

gas etc.) or combustible gas (such as thinner and petroleum gases)

can accumulate or collect, or where volatile combustible

substances are handled.

Corrosive gas can cause corrosion of heat exchanger, breakage of plastic

parts and etc. And combustible gas can cause fire.

• Do not use the indoor unit at the place where water splashes may

occur such as in laundries.

Since the indoor unit is not waterproof, it can cause electric shocks and

fire.

• Do not install nor use the system close to the equipment that

generates electromagnetic fields or high frequency harmonics.

Equipment such as inverters, standby generators, medical high frequency

equipments and telecommunication equipments can affect the system, and

cause malfunctions and breakdowns. The system can also affect medical

equipment and telecommunication equipment, and obstruct its function or

cause jamming.

• Do not place any variables which will be damaged by getting wet

under the indoor unit.

When the relative humidity is higher than 80% or drainage pipe is clogged,

condensation or drainage water can drop and it can cause the damage of

valuables.

• Do not install the remote control at the direct sunlight.

It can cause malfunction or deformation of the remote control.

• Do not use the unit for special purposes such as storing foods,

cooling precision instruments and preservation of animals, plants or

art.

It can cause the damage of the items.

• Do not use any materials other than a fuse with the correct rating in

the location where fuses are to be used.

Connecting the circuit with copper wire or other metal thread can cause

unit failure and fire.

• Do not touch any buttons with wet hands.

It can cause electric shocks.

• Do not touch any refrigerant pipes with your hands when the

system is in operation.

During operation the refrigerant pipes become extremely hot or extremely

cold depending the operating condition, and it can cause burn injury or

frost injury.

• Carry out the electrical work for ground lead with care.

Do not connect the ground lead to the gas line, water line, lightning conductor or telephone line’s ground lead. Incorrect grounding can cause unit faults

such as electric shocks due to short-circuiting.

• Do not put the drainage pipe directly into drainage channels where

poisonous gases such as sulphide gas can occur.

Poisonous gases will flow into the room through drainage pipe and

seriously affect the user’s health and safety.

• Ensure that no air enters in the refrigerant circuit when the unit is

installed and removed.

If air enters in the refrigerant circuit, the pressure in the refrigerant circuit

becomes too high, which can cause burst and personal injury.

• Do not processing, splice the power cord, or share a socket with

other power plugs.

This may cause fire or electric shock due to defecting contact, defecting

insulation and over-current etc.

• Do not bundling, winding or processing for the power cord. Or, do

not deforming the power plug due to tread it.

This may cause fire or heating.

• Do not vent R410A into the atmosphere : R410A is a fluorinated

greenhouse gas, covered by the Kyoto Protocol with Global

Warming Potential (GWP)=1975.

• Do not run the unit with removed panels or protections.

Touching rotating equipments, hot surfaces or high voltage parts can cause

personal injury due to entrapment, burn or electric shocks.

• Do not perform any change of protective device itself or its setup

condition.

The forced operation by short-circuiting protective device of pressure

switch and temperature controller or the use of non specified component

can cause fire or burst.

R410A REFRIGERANT USED

FLOOR TYPE AIR CONDITIONER

INSTALLATION MANUAL FOR INDOOR UNIT

WARNING

RFB012A002A

(2) Floor standing type (SRF)

RFB012A002A

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