Mitsubishi Electric TRANE NTXWST30A112A Series Скачать руководство пользователя страница 8

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4-4. EXPLANATION TO THE USER

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remote controller from the remote controller holder, cleaning methods, precautions
for operation, etc.)

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Caution:

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E.O. SW or the remote controller before turning off the power supply. If this
procedure is not performed, the unit will automatically begin operation when
power supply is resumed.

To the user

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service representative to deactivate the function. Refer to the service manual
for details.

4-2. TEST RUN

1) Insert power supply plug into the power outlet and/or

turn on the breaker.

2) Press the E.O. SW once. Test run will be performed for

30 minutes. If the left operation indicator light blinks every
0.5 seconds, inspect the indoor/outdoor unit connecting
wire (A). After the test run, emergency COOL mode (75ºF
[24ºC] COOL) will start.

3) To stop operation, press the E.O. SW several times until

all LED lamps turn off. Refer to operating instructions for
details.

Checking the remote (infrared) signal reception
Press the ON/OFF button on the remote controller and listen for an audible indicator
from the indoor unit. Press the ON/OFF button again to turn the air conditioner off.
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will not operate for 3 minutes to protect the air conditioner.

4-3. AUTO RESTART FUNCTION

This product is equipped with an auto restart function. When the power supply is cut off
during operation, such as during blackouts, the function automatically starts opera-
tion in the previous setting once the power supply is resumed. (Refer to the operating
instructions for details.)

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

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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.)

5) Fully close the stop valve on the gas pipe side of the outdoor unit when the pressure

gauge shows (!!& #!!!& $$.

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.

5-1. REMOVING AND INSTALLING THE PANEL ASSEMBLY

Removal procedure (Fig. 1, 2)

1) Remove the three screws that attach the panel assembly.
2) Open the front panel.
3) Remove the two screws that attach the panel assembly.
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5-2. REMOVING THE INDOOR UNIT

Remove the bottom of the indoor unit from the installation plate. (Fig. 1, 2)

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unit and push them up; the bottom of the indoor unit goes down and the hooks are
released.
*1 Remove the screw.
*2 Remove the tab of corner box from the indoor unit, and pull the corner box.
*3 Pull the indoor unit to remove.

Installation procedure (Fig. 3, 4)

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3) Fit in the top of the panel assembly.
4) Fit in the bottom of the panel assembly and tighten it using screws.
5) Push the section of the front panel marked by the arrows to close the front panel

securely.

Emergency operation switch
(E.O. SW)

Fig. 3

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Fig. 4

Square hole

Push Lower

Corner box

Fig. 1

Fig. 2

Fig. 1

Fig. 2