Installation manual

Air Cooled Models
30
Figure 21 Piggyback condenser piping connections
Table 17 Piggyback condenser piping connection dimensional data
Model
Dimensional Data Connection Sizes O.D.S., inches (mm)
A B C D E F G Liquid Line Hot Gas Line Drain
PB350A – – 27-1/4 (692) 1-1/2 (38) 6 (152) 9-1/8 (232) 28-3/4 (730) 2 @ 1/2 (13) 2 @ 5/8 (16) 1-1/4 (32)
PB550A – – 27-1/4 (692) 1-1/2 (38) 6 (152) 9-1/8 (232) 28-3/4 (730) 2 @ 1/2 (13) 2 @ 5/8 (16) 1-1/4 (32)
PB675A – – 27-1/4 (692) 1-1/2 (38) 6 (152) 9-1/8 (232) 28-3/4 (730) 2 @ 1/2 (13) 2 @ 7/8 (22) 1-1/4 (32)
PB925A – – 27-1/4 (692) 1-1/2 (38) 6 (152) 9-1/8 (232) 28-3/4 (730) 2 @ 1/2 (13) 2 @ 7/8 (22) 1-1/4 (32)
PB1100A – – 27-1/4 (692) 1-1/2 (38) 6 (152) 9-1/8 (232) 28-3/4 (730) 2 @ 5/8 (16) 2 @ 1-1/8 (29) 1-1/4 (32)
PB1350A
9-1/4
(235)
27-1/2
(699)
29-1/2 (749) 6 (152) 6 (152) – – 2 @ 5/8 (16) 2 @ 1-1/8 (29) 1-1/4 (32)
Table 18 Piggyback condenser approximate refrigerant charges
Model lb (kg) per circuit
PB350A 19 (8.6)
PB550A 18 (8.2)
PB675A 26 (11.8)
PB925A 23 (10.4)
PB1100A 36 (16.3)
PB1350A 36 (16.3)
5 1/2" (140mm)
SEE NOTE 1
3 1/4" (85mm)
SEE NOTE 2
3"
(76mm)
6"
(152mm)
3"
(76mm)
1 1/2"
(38mm)
8"
(203mm)
SEE
NOTE 3
SEE NOTE 1
SEE NOTE 2
1 13 16"
(46mm)
SEE NOTE 3
SEE NOTE 1
SEE NOTE 2
2 1/2" (64mm)
7 7/8"
(200mm)
9 11/16"
(246mm)
12 5/8"
(321mm)
SEE NOTE 3
3" (76mm)
1" (25mm)
3" (76mm)
1 13/16"
(46mm)
A
B
C
G
E
D
F
E
SEE NOTE
2
SEE NOTE 1
DRAIN OUTLET
LOCATION
1-1/4" (32mm) F.P.T.
1. Multiple K.O. of 1 3/8" (35mm), 1 3/4" (45mm)
and 2 1/2" (64mm) for main power supply (typ.).
2. 7/8" (22.2mm) K.O. for Lee-Temp power supply (typ.).
3. Cover plate for access of liquid line and hot gas line.
NOTES:
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