Friedrich FPHSW09A1B - Page 38

38 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) 25 33 50 .22
18k 1/4"(Ø6.35) 1/2"(Ø12.7) 25 33 66 .22
24k-36k 3/8"(Ø9.52) 5/8"(Ø15.88) 25 33 66 .32
Fig. 437
Fig. 436