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37 PB

INSTALLATION

Leak Check, Evacuation, and Charging (Triple Evacuation)

WAIT

EVACUATE

BREAK VACUUM WITH DRY NITROGEN

CHARGE SYSTEM

EVACUATE

WAIT

EVACUATE

CHECK FOR TIGHT, DRY SYSTEM

(IF IT HOLDS A VACUUM)

BREAK VACUUM WITH DRY NITROGEN

Capacity

(Btu/h)

Pipe Size Standard

Length (ft)

Max.

Elevation

B (ft)

Max. Length

A (ft)

Additional

Refrigerant

(oz/ft)

LIQUID GAS

9k‑12 1/4"(Ø6.35) 3/8"(Ø9.52) 24.5 33 49 .22

18k 1/4"(Ø6.35) 1/2"(Ø12.7) 24.5 33 49 .22

24k‑36k 3/8"(Ø9.52) 5/8"(Ø15.88) 24.5 33 49 .32

Fig. 437

Fig. 436

Friedrich FPHSR36A3B User Manual

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