Mitsubishi MSY-GS15NA handleiding

Airco

Mitsubishi

8 pagina's

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Handleiding

5-3. PUMPING DOWN

When relocating or disposing of the air conditioner, pump down the system following the procedure below so that refrigerant is not released into the atmosphere.

1) Connect the gauge manifold valve to the service port of the stop valve on the gas pipe side of the outdoor unit.

2) Fully close the stop valve on the liquid pipe side of the outdoor unit.

3) Close the stop valve on the gas pipe side of the outdoor unit almost completely so that it can be easily closed fully when the pressure gauge shows 0 psi [Gauge] (0 Mpa).

4) Start the emergency COOL operation.

To start the emergency operation in COOL mode, disconnect the power supply plug and/or turn off the breaker. After 15 seconds, connect the power supply plug and/or turn on

the breaker, and then press the E.O. SW once. (The emergency COOL operation can be performed continuously for up to 30 minutes.)

Fully close the stop valve on the gas pipe side of the outdoor unit when the pressure gauge shows (0.1 to 0 psi [Gauge] (0.05 to 0 Mpa)).

6) Stop the emergency COOL operation.

To stop operation, press the E.O. SW several times until all LED lamps turn off. Refer to operating instructions for details.

5-2. REMOVING THE INDOOR UNIT

Remove the bottom of the indoor unit from the installation plate.

When releasing the corner part, release both left and right bottom corner part of

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Push

Lower

Square hole

If the above method cannot be used

Remove the front panel. Then, insert hexagonal wrenches into the square holes on

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The bottom of the indoor unit lowers and releases the hooks.

HEAD OFFICE: TOKYO BUILDING, 2-7-3, MARUNOUCHI, CHIYODA-KU,

TOKYO 100-8310, JAPAN

6. CONNECTING THE INTERFACE/CONNECTOR CABLE TO THE AIR CONDITIONER

• Connect the INTERFACE/CONNECTOR CABLE to the Indoor electronic control P.C. board of the air conditioner with the connecting cable.

• Cutting or extending the connecting cable of the INTERFACE/CONNECTOR CABLE results in defects in connecting.

Do not bundle the connecting cable together with power supply cord, indoor/outdoor connecting wire, and/or earth wire. Keep as much distance as possible between the

connecting cable and those wires.

• The thin part of the connecting cable should be stored and placed where customers cannot touch it.

Connecting

(1) Remove the panel and the lower

right corner box.

When the refrigeration circuit has a leak, do not execute pump down with the compressor.

When pumping down the refrigerant, stop the compressor before disconnecting the refrigerant pipes. The compressor may burst if air etc. get into it.

WARNING

(4) Hook the connecting cable as shown in

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(2) Open the cover of the indoor

control P.C. board.

(3) Join the connecting cable to

CN105 connector.

(5) Attach the cable clamp provided with an

interface to the thick part of the connect-

ing cable with a screw 4×16 as shown in

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(6) Close the cover of the indoor control P.C.

board. Be careful not to catch the thin

part of the connecting cable in the cover.

Reinstall the panel and the lower right

corner box.

Hook

Air conditioner

Indoor control P.C. board

CN105

Main body of an interface

Connector

Thin part of the connecting cable. Place this part where customers cannot touch it.

Thick part of the connecting cable

Fix the connecting cable at the prescribed position securely. Incorrect installation

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WARNING

CN105

CN24

In case of simultaneous connection of CN24 and CN105

Clamp to CN105 and

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CN24

Bundle CN105 and CN24 cables with Cable tie.

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