Bedienungsanleitung Inventor V5MFI32-60 (Seite 35 von 136) (Englisch)

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 Page 34

b. Using wire strippers, strip the rubber jacket

from both ends of the signal cable to reveal

approximately 15cm (5.9”) of wire.

Strip the insulation from the ends.

d. Using a wire crimper, crimp u-lugs on the

ends.

NOTE: When connecting the wires, strictly

follow the wiring diagram found inside the

electrical box cover.

Remove the electric cover of the outdoor unit.

(See Fig. 12.1)

Cover

Fig. 12.1

Connect the u-lugs to the terminals

Match the wire colors/labels with the labels

on the terminal block, Firmly screw the u-lug

of each wire to its corresponding terminal.

4. Clamp down the cable with the cable clamp.

Insulate unused wires with electrical tape.

Keep them away from any electrical or metal

parts.

Reinstall the cover of the electric control box.

Indoor Unit Wiring

Prepare the cable for connection

a. Using wire strippers, strip the rubber jacket

from both ends of the signal cable to reveal

about 15cm (5.9”) of the wire.

Strip the insulation from the ends of the

wires.

Using a wire crimper, crimp the u-lugs to

the ends of the wires.

Undo the screw on the cover of the electric

control box and remove the cover.

Connect the u-lugs to the terminals.

Match the wire colors/labels with the labels

on the terminal block, Firmly screw the u-lug

of each wire to its corresponding terminal.

Refer to the Serial Number and Wiring

Diagram located on the cover of the electric

control box.

•

While connecting the wires, please strictly

follow the wiring diagram.

•

The refrigerant circuit can become very

hot. Keep the interconnection cable away

from the copper tube.

Clamp down the cable with the cable clamp.

The cable must not be loose or pull on the

u-lugs.

Reattach the electric box cover.

Table 12.2: Other World Regions

Rated Current of

Appliance (A) Area (mm²)

Nominal Cross-Sectional

≤ 6 0.75

6 - 10 1

10 - 16 1.5

16 - 25 2.5

25- 32 4

32 - 45 6

CAUTION

 Page 35 

Air Evacuation

Safety Precautions

• Use a vacuum pump with a gauge reading

lower than -0.1MPa and an air discharge

capacity above 40L/min.

• The outdoor unit does not need vacuuming.

DO NOT open the outdoor unit’s gas and

liquid stop valves.

• Ensure that the Compound Meter reads

-0.1MPa or below after 2 hours. If after

three hours of operation and the gauge

reading is still above -0.1MPa, check if

there is a gas leak or water inside the

pipe. If there is no leakage, perform

another evacuation for 1 or 2 hours.

• DO NOT use refrigerant gas to evacuate the

system.

Evacuation Instructions

Before using manifold gauge and vacuum pump,

read their operation manuals to familiarize

yourself with how to use them properly.

Manifold Gauge

Compound gauge

-76cmHg

Low pressure valve High pressure valve

Charge hose Charge hose

Vacuum pump

Pressure gauge

Low pressure valve

Fig. 13.1

Connect the charge hose of the manifold

gauge to service port on the outdoor unit’s

low pressure valve.

Connect another charge hose from the

manifold gauge to the vacuum pump.

Open the Low Pressure side of the manifold

gauge.Keep the High Pressure side closed.

Turn on the vacuum pump to evacuate the

system.

Run the vacuum for at least 15 minutes, or

until the Compound Meter reads -76cmHG

(-1x105Pa).

6. Close the Low Pressure side of the manifold

gauge, and turn off the vacuum pump.

Wait for 5 minutes, then check that there has

been no change in system pressure.

NOTE: If there is no change in system pressure,

unscrew the cap from the packed valve (high

pressure valve). If there is a change in system

pressure, there may be a gas leak.

8. Insert hexagonal wrench into the packed valve

(high pressure valve) and open the valve by

turning the wrench in a 1/4 counterclockwise

turn. Listen for gas to exit the system, then

close the valve after 5 seconds.

Flare nut

Cap

Valve body

Valve stem

Fig. 13.2

9. Watch the Pressure Gauge for one minute to

make sure that there is no change in pressure.

The Pressure Gauge should read slightly higher

than atmospheric pressure.

10. Remove the charge hose from the service port.

11.

Using hexagonal wrench, fully open both the

high pressure and low pressure valves.

OPEN VALVE STEMS GENTLY

When opening valve stems, turn the hexagonal

wrench until it hits against the stopper. DO NOT

try to force the valve to open further.

12. Tighten valve caps by hand, then tighten it

using the proper tool.

CAUTION

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