Mitsubishi Electric MSZ-FB50VA Manuel d'installation télécharger pdf (Page 4)

4-1. PURGING PROCEDURES AND LEAK TEST

1) Remove service port cap of stop valve on the side of the outdoor unit gas pipe. (The

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on.)

2) Connect gauge manifold valve and vacuum pump to service port of stop valve on the

gas pipe side of the outdoor unit.

5-1. REMOVING AND INSTALLING THE PANEL ASSEMBLY

5-3. PUMPING DOWN

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procedure below so that no refrigerant is 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.

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turn on the breaker, and then press the E.O. SW once. (The HPHUJHQF\&22/

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6) Stop the HPHUJHQF\&22/RSHUDWLRQ

Press the E.O. SW twice to stop the operation.

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 indoor unit and pull it downward and forward as

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If the above method cannot be used

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square holes on the left and right

sides of the unit and push them

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ure. The bottom of the indoor unit

lowers and releases the hooks.

Removal procedure

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Installation procedure

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procedure in reverse.

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to the unit.

Stop valve for

GAS

Stop valve cap

(Torque 19.6 to

29.4 N•m, 200

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Vacuum pump (or the vacuum

pump with the function to

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Gauge manifold valve

(for R410A)

Compound pressure gauge

(for R410A)

–

0.101 MPa

(

–

760 mmHg)

Handle

Low

Handle High

Adapter for pre-

venting the back

ÀRZ

Charge hose

(for R410A)

*Close

*Open

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Precautions when using the control valve

When attaching the control valve

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Service port

Charge hose

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Open

Control valve

When attaching the control valve to

the service port, make sure that the

valve core is in closed position, and

then tighten part A. Do not tighten

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core is in open position.

Service port cap

(Torque 13.7 to

17.7 N•m, 140 to

180 kgf•cm)

*4 to 5 turns

3) Run the vacuum pump. (Vacuumize for more than 15 minutes.)

4) Check the vacuum with gauge manifold valve, then close gauge manifold valve, and

stop the vacuum pump.

5) Leave as it is for one or two minutes. Make sure pointer gauge manifold valve remains

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mmHg).

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ance and this causes trouble.

8) Refer to 1-3., and charge the prescribed amount of refrigerant if needed. Be sure to

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9) Tighten cap of service port to obtain the initial status.

10) Leak test

4-2. TEST RUN

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2) Press the E.O. SW once for

COOL, and twice for HEAT operation. Test run will be per-

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Stop valve

for LIQUID

Caution:

• After test run or remote signal reception check, turn off the unit with the E.O. SW or

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To the user

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

Push

Lower

Square hole

4. PURGING PROCEDURES, LEAK TEST, AND TEST RUN

Pressure gauge

(for R410A)

5. RELOCATION AND MAINTENANCE

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

100-8310, JAPAN

4-5. EXPLANATION TO THE USER

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or put the remote controller in the remote controller holder, how to clean, precautions

for operation, etc.)

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Set the slide switch of the remote controller according to the installed position of the

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Installation position:

Left: Distance to objects (wall, cabinet, etc.) is less

than 50 cm to the left

Center: Distance to objects (wall, cabinet, etc.) is

more than 50 cm to the left and right

Right: Distance to objects (wall, cabinet, etc.) is less

than 50 cm to the right

4-4. REMOTE CONTROLLER SETTING

1) Remove the front lid.

2) Set the slide switch according to the installed position of the indoor unit.

3) Insert two (AAA) batteries.

4) Reattach the front lid.

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Installation position Left Center Right

Slide switch

Remote controller

GLVSOD\

(Left) (Center)(Right)

RESET

button

SLIDE SWITCH

(PHUJHQF\

operation switch

(E.O. SW)

mode (set temperature 24ºC) will start.

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

until all LED lamps turn off. Refer to operating instruc-

tions for details.

Checking the remote (infrared) signal reception

Press the ON/OFF button on the remote controller (6)

and check that an electronic sound is heard from the

indoor unit. Press the ON/OFF button again to turn the air

conditioner off.

• Once the compressor stops, the restart preventive de

vice operates so the compressor will not operate for 3

minutes to protect the air conditioner.

4-3. AUTO RESTART FUNCTION

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tions for details.)

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Mitsubishi Electric MSZ-FB50VA Manuel d'installation Page 4

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