Bedienungsanleitung Midea MCB12HRN2 (Seite 7 von 10) (Englisch)

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Location of the ceiling hole and hanging screw bolts.

Panel Length 1050

Ceiling Hole Length 1010

Hanging Bolts Distance 890

Ceiling Hole Width 430

Panel Centre

Indoor Unit Size 400

Hanging Bolts

Distance

330

Indoor Unit size 850

Panel Width 470

395

455

110

150

225

100

200

120

Power Connector

Refrigerant Pipe

Gas Side 9.53(09unit.)

850

400

140

235

Hanging Bolt

4-M10 Field Accessory

Below

Ceiling

Gas Side 6.35)

12.7(12unit.)

Refrigerant Pipe

PANEL INSTALLATIONPANEL INSTALLATION

Make sure the following before installing the panel:

Downside of Indoor Unit and Ceiling must be in the same plane.

Indoor Unit must be parallel with the Ceiling Hole.

Check if there is water in the drain pipe.

Check if Refrigerant Pipe and the Drain Pipe has been connected and thermal protected.

Installation Procedure

1. Remove screws on panel

Positioning Board

Screw

Chart 13 Relative Position between the down side of Indoor Unit and Panel.

Panel Screws (M4 16) include the four screws used to install Model Paper of the Indoor Unit

and the one screw used to fix central of Indoor Unit temporarily.

Do not use Model Paper when installing the panel.

Remove Panel Screws and Model Paper.. (Chart 13)

Screw the bonnet of stop valve thoroughly.

Chart 33

Manifold value

Multi-meter

-76cmHg

Lo-lever

Charge hose

Pressure meter

Hi-lever

Charge hose

Vacuum pump

Lo-lever

EXPEL AIR WITH A VACUUM PUMP

Screw the joint nuts A, B, C, D, and connect the charge hose of the manifold value with the charge

port of low-pressure valve.

Connect charge hose with vacuum pump.

Open the Lo-handle of manifold value (low pressure) thoroughly.

Turn on the vacuum pump. At the beginning of pumping, loosen the nut on the joint pipe of low

pressure valve to check whether the air has come in.

When the pumping is finished, close the Lo-handle completely and turn off the vacuum pump.

(Please refer to owner's manual for operation methods of manifold value)

When you have pumped for over 15 minutes, please confirm that the indicator or multi-meter is on

-1.0X10 Pa(-76cmHg).

Turn the valve stem of rotary valve deasil. About 6~7 seconds later, screw it.

Remove charge hose from the charge port of low-pressure side.

Open the valve stem of stop valve A and B thoroughly.

EXPEL AIR WITH REFRIGERANT TANK

Fasten the joint nuts C, D of indoor unit and A of outdoor unit.

Connect refrigerant charge hose with the charge port of low-pressure valve.

Loosen the joint nut B of outdoor unit a little.

Loosen the stop valve of the refrigerant tank and charge refrigerant for 10~15 seconds, then fasten

the stop valve.

Some refrigerant liquid flows from the joint nut. When the sound caused by flow decreases markedly,

fasten joint nut B.

Remove the charge hose from the charge port of low-pressure valve.

Discharge the remnant refrigerant from pipe with a screwdriver or similar tool pushing valve core (set

pin). When the sound of flow dies out, fasten the bonnet of stop valve.

Open the valve stems of high-pressure side and low-pressure side of outdoor unit.

Be sure the bonnet has been fastened.

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