McQuay M5MSX Spezifikationen PDF herunterladen (Seite 20)

M5MSX-2009

Piping Work

• Do not use contaminated or damaged copper tubing. Do not remove plastic, rubber plugs and brass

nuts from the valves, ttings, tubings and coils until you are ready to connect suction or liquid line into

valves or ttings.

• If any brazing work is required, ensure that the nitrogen gas passed through coil and joints while the

brazing work is being done. This will eliminate soot formation on the inside walls of the copper tubings.

• Cut the connection pipe with a pipe cutter.

• Remove burrs from cut edges of the pipes with remover. Hold the end of the pipe downwards to prevent

metal chips from entering the pipe.

• Insert the are nuts, mounted on the connection parts of both the indoor unit and outdoor unit onto the

copper pipes.

• Flare the pipe with extra length above the aring tool as shown in the table below.

• The are edge must be even and not cracked or scratched.

Copper tube

Swaging block

Ø TUBE, D A(MM)

Inch mm Imperial Rigid

1/4” 6.35 1.3 0.7

3/8” 9.52 1.6 1.0

1/2” 12.70 1.9 1.3

5/8” 15.88 2.2 1.7

3/4” 19.05 2.5 2.0

PIPE CONNECTION PIPE CONNECTION PIPE CONNECTION

INDOOR

UNIT A

INDOOR

UNIT B

INDOOR

UNIT C

INDOOR

UNIT B

INDOOR

UNIT A

INDOOR

UNIT C

INDOOR

UNIT B

INDOOR

UNIT A

INDOOR

UNIT D

Pos. M5MSX020 M5MSX025 M5MSX030

A/AR A/AR A/AR

A 1/4” 3/8” 1/4” 3/8” 1/4” 3/8”

B 1/4” 3/8” 1/4” 3/8” 1/4” 3/8”

C 1/4” 3/8” 1/4” 3/8”

D 1/4” 3/8”

Liquid Gas Liquid LiquidGas Gas

Cutting copper tube

1/4t

Remove burr Indoor

Application Information

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 ... 67 68

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