Mitsubishi FDTC25VD Spezifikationen PDF herunterladen (Seite 110)

109

'10 • SR-T-091

3. DRAIN PIPING WORK

●

When condensed water needs to be

led to a drain, etc., install the unit on

a flat base (supplied separately as an

optional part) or concrete blocks.

ޓThen, please secure space for the drain

elbow and the drain hose.

●

Execute drain piping by using a drain elbow and drain

grommets supplied separately as optional parts, where

water drained from the outdoor unit is a problem.

●

Water may drip where there is a larger amount of drain

water. Seal around the drain elbow and drain grommets

with putty or adequate caulking material.

●

Condensed water may flow out from vicinity of operation

valve or connected pipes.

Do not put a grommet

on this hole.

This is a supplementary

drain hole to discharge

drain water, when a large

quantity of it is gathered.

CAUTION

Clearance

Where you are likely to have several days of sub-zero

temperatures in a row, do not use a drain elbow and

drain grommets. (There is a risk of drain water

freezing inside and blocking the drain.)

●

Drain elbow

Grommet

Drain hose

(To be procured on the installer's part)

4. ELECTRICAL WIRING WORK For details of electrical cabling, refer to the indoor unit installation manual.

CAUTION

Power cable, indoor-outdoor connecting wires

Always use an earth leakage circuit breaker designed for inverter circuits to

prevent a faulty operation.

●

In cabling, fasten cables securely with cable clamps so that no external force may work on terminal connections.

●

Grounding terminals are prorided in the control box.

●

Always perform grounding system installation work with the power cord unplugged.

●

Connect a pair bearing a common terminal number with an indoor-outdoor connecting wire.

Electrical installation work must be performed by an electrical installation service provider qualified by a power provider of the country.

Electrical installation work must be executed according to the technical standards and other regulations applicable to electrical installations in the country.

●

Do not use any supply cord lighter than one specified in parentheses for each type below.

㨯 braided cord (code designation 60245 IEC 51),

㨯 ordinary tough rubber sheathed cord (code designation 60245 IEC 53)

㨯 flat twin tinsel cord (code designation 60227 IEC 41);

Use polychloroprene sheathed flexible cord (code designation 60245 IEC57) for supply cords of parts of appliances for outdoor use.

●

Ground the unit. Do not connect the grounding wire to a gas pipe, water pipe, lightning rod or telephone grounding wire

If impropery grounded, an electric shock or malfunction may result.

●

A grounding wire must be connected before connecting the power cable. Provide a grounding wire longer than the power cable.

●

The installation of an impulse withstanding type earth leakage breaker is necessary. A failure to install an earth leakage breaker can result in an

acccident such as an electric shock or a fire.

●

Do not turn on the power until the electrical work is completeted .

●

Do not use a condensive capacitor for power factor improvement under any circumstances. (It dose not improve power factor, while it can cause

an abnormal overheat accident)

●

For power supply cables, use conduits.

●

Do not lay electronic control cables (remote control and signaling wires) and other cables together outside the unit. Laying them together can result

in the malfunctioning or a failure of the unit due to electric noises.

●

Fasten cables so that may not touch the piping, etc.

●

When cables are connected, make sure that all electrical components within the electrical component box are free of loose connector coupling or

terminal connection and then attach the cover securely. (Improper cover attachment can result in malfunctioning or a failure of the unit, if water

penetrates into the box.)

●

Always use a three-core cable for an indoor-outdoor connecting cable. Never use a shield cable.

Outdoor unit

Switchgear or Circuit breaker

1 2/N 3

Indoor unit

Earth leakage breaker

(Harmonic resistant type)

Cable clamp

Power supply terminal block

○

It holds cables in place and protect the terminal

connection from external force.

○

This clamp is for the cable in the outside

diameter 9~15mm.

Please adjust it when not suitable.

○

It holds cables in place and protect the terminal

connection from external force.

○

Please be sure to carry out D-type (type III)

grounding work.

Interconnecting and

grounding wires

(minimum)

2.0

30A 16A

1.5mm×4

15A,30mA,

0.1sec or less

Switchgear or

Circuit Breaker

Switch breaker

Over current protector

rated capacity

Earth leakage breaker

●

The specifications shown in the above table are for units without heaters. For units with heaters, refer to

the installation instructions or the construction instructions of the indoor unit.

●

Switchgear or Circuit breaker capacity which is calculated from MAX. over current should be chosen along the

regulations in each country.

●

The cable specifications are based on the assumption that a metal or plastic conduit is used with no more than

three cables contained in a conduit and a voltage drop is 2%. For an installation falling outside of these

conditions, please follow the internal cabling regulations. Adapt it to the regulation in effect in each country.

Power souce

(minimum)

ModelPhase

Single-phase

Grounding terminal

CAUTION

Cable clamp

In case of faulty wiring connection, the indoor unit stops,

and then the run lamp turns on and the timer lamp blinks.

Use cables for interconnection wiring to avoid loosening of the wires.

CENELEC code for cables Required field cables.

H05RNR4G1.5 (Example) or 245IEC57

4or5

1.5

Harmonized cable type

300/500 volts

Natural-and/or synth. rubber wire insulation

Polychloroprene rubber conductors insulation

Stranded core

Number of conductors

One conductor of the cable is the earth conductor

(yellow/green)

Section of copper wire (mm

)

RWC012A029B

1 2 ... 105 106 107 108 109 110 111

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