Carrier 38VBH Installationshandbuch PDF herunterladen (Seite 12)

42PQV/38VBH

GB - 11

ENGLISH

Tightening torque

Valve

Flare nut Valve cap Pressure port cap Valve needle Pressure port

Wrench mm Nm Wrench mm Nm Wrench mm Nm Wrench mm Nm Wrench mm Nm

1/4” 17 18 22 20 - - Allen(hex.)4 9 - 0.34

3/8” 22 42 22 20 17 16-18 Allen(hex.)4 9 - 0.34

1/2” 27 55 25 40 17 16-18 Allen(hex.)4 13 - 0.34

The unit can be installed:

 on the floor;

 on the wall using the bracket kit.

Connect tubing in accordance with the limits shown on Table II

(Connections).

Finger-tighten the fitting several turns, then tighten it with a

wrench by applying the tightening torque indicated in the table.

Flaring the ends of the tubing

Remove protective caps from copper tube ends.

Position tube end downward, cut the tube to the requested length

and remove the burrs with a reamer.

Do not leave system open to atmosphere any longer than minimum

required for installation.

Oil in the compressor is extremely susceptible to moisture

absorption.

Always keep ends of tubing sealed during installation.

Remove flare nuts from the unit connections and place them on the

tube end.

Flare the tube with the flaring tool.

Flare end must not have any burrs or imperfections.

The length of the flared walls must be uniform.

Refrigerant connections





IMPORTANT:

Open the three way valves only after fitting has been

tighten.

Connection to unit

Insufficient tightening torque will cause gas leaks.

Overtightening the fittings will damage the tube flaring and

cause gas leaks.

Lubricate the tube end and thread of the flare fitting with anti-

freeze oil.

Finger-tighten the fitting several turns, then tighten it fully with

two wrenches by applying the tightening torque indicated in the

table.

 Adjustable wrench or torque wrench

 Outdoor end

 Indoor end

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 22 23

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