Electrolux EXI09HD1WI Manual do Utilizador descarregar pdf (Página 22)

When Using the Vacuum Pump

Gas Leakage Check

Test and Running

Electrical Safety Check

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and D, connect the manifold valve charge

hose (blue) to the charge port of the low

pressure valve (3-way valve) on the gas pipe

side.

2 Connect the other charge hose (yellow) of

manifold to the vacuum pump.

3 Fully open the handle Lo of the manifold

valve.

4 Open the vacuum pump for vacuumization.

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of the low pressure valve to check if there

is air coming inside (If operation noise of

the vacuum pump has been changed, the

reading of multimeter is 0 instead of minus).

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5 Keep vacuuming for more than 15 minutes

and make sure the reading of multimeter is

[

Pa (-76cmHg). Then fully close

the handle Lo of manifold valve and stop the

operation of the vacuum pump.

6 Turn the stem of the stop valve B (2-way

valve) about 45° counterclockwise for 6~7

seconds after the gas coming out, then

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pressure display in the pressure indicator is a

little higher than the atmosphere pressure.

7 Remove the charge hose from the low

pressure charge port.

8 Fully open the valve stems of A (3-way valve)

and B (2-way valve).

9 Securely tighten the stem cap.

1 Soap water method:

Apply soap water or liquid neutral detergent on

all valves and pipe connections (A, B, C and D,

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by a soft brush to check for leakage.

If bubbles come out, the pipes have leakage.

2 Leak detector

Use the leak detector to check for leakage.

Perform the electric safe check after completing the

installation:

1 Earthing work

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earthing resistance by visual detection and

earthing resistance tester.

2 Electrical leakage check

(performing during test running)

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the service person can use the electric probe

and multimeter to perform the electrical leakage

check. Turn off the unit immediately if refrigerant

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solution ways till the unit operate properly.

Outdoor Unit

Manifold

valve

Multimeter

-76cmHg

Lo Handle

Hi Handle

Charging hose

Low pressure

valve

Charging

hose

Vacuum Pump

Indoor unit

check points

Liquid pipe

Gas pipe

Outdoor

Unit

Outdoor unit

check points

2-way

valve

3-way

valve

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 135 136

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Electrolux EXI09HD1WI Manual do Utilizador Página 22

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