Carrier 38YY_M...G Installation Manual download pdf (Page 9)

38GL_M…G / 38YY(S)_M…G

R-410A

GB - 8

Refrigerant connections

No moisture.

No dust.

No leak.

No mineral oil.

Neat.

Dry nitrogen brazing.

Vacuum.

Min.

– 100 kPa

(– 755 mmHg)

Charge liquid-no gas.

Copper tubes during storage.

Use tools designed for R-410A higher pressure.

Keep inside clean.

2-stage vacuum pump. Replace oil regularly.

1/2” UNF (R-410A)

7/16” UNF (R-22)

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