Hussman P/N 0387183_D Manual de usuario descargar pdf (Pagina 12)

BRANCH LINE PIPING

Suction Line – All Defrosts

• Pitch in direction of flow.

• May be reduced by one size at one third of case

run load and again after the second third. Do

NOT reduce below evaporator connection size.

• Suction returns from evaporators enter at the

top of the branch line.

Liquid Line – Off-time and Electric Defrost

• May be reduced by one size after one half the

case load run. Do not reduce below evaporator

connection size.

• Take-offs to evaporators exit the bottom of the

liquid line. Provide an expansion loop for each

evaporator take-off (minimum 3 in. (76 mm)

diameter).

Liquid Line – Koolgas Defrost

• Maximum of 6 evaporators per Branch System.

• Increase the liquid line size inside the case by

two sizes over the branch size.

Branch Size In Case Size

/8 1

8 1

/81

/8 2

• Take-offs to evaporators exit the bottom of the

liquid line. Provide an expansion loop for each

evaporator take-off (minimum 3 in. (76 mm)

diameter).

2-2 REFRIGERATION / ELECTRICAL

P/N 0387183_D WWW

.HUSSMANN.COM

3-In. Loop (76 mm)

Suction Line Return

Liquid Line Take Off

From

Liquid

Manifold

Suction

Manifold

Electric or Offtime Defrost Liquid Line

Koolgas Defrost Liquid Line Two Sizes Larger in Merchandiser

The following information is applicable only

for piping Hussmann merchandisers to

Hussmann refrigeration equipment.

CAUTION

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 39 40

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Hussman P/N 0387183_D Manual de usuario Pagina 12

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