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INLET LINE - Where an inlet line is used between the air filter and the compressor, it must be thoroughly
cleaned on the inside to prevent dirt or scale from entering the compressor. If welded construction is
used, the line must be shot blasted and cleaned to remove welding scale. In either case, the inlet line
must be coated internally by galvanizing or painting with a moisture and oil-proof sealing lacquer. Up to 3
meters in length, the inlet line should be the full size of the inlet opening on the compressor. If an extra-
long line is necessary, the pipe size should be increased according to Inlet Line Length Chart Figure 2-4,
page 20.
Accessibility for inlet air filter servicing must be considered when relocating the filters from the unit to a
remote location.
DISCHARGE SERVICE LINE - The discharge service line connection on both water-cooled and air-
cooled units is located at the right hand corner of the unit, viewed from the opposite end from control
panel side. When manifolding two or more rotary screw units on the same line, each unit is isolated by
the check valve in the unit discharge line. If a rotary screw unit is manifolded to another compressor, be
sure the other compressor has a check valve in the line between the machine and the manifold. If a
rotary screw and a reciprocating compressor are manifolded together, an air receiver must be located
between the two units.
Discharge air used for breathing will cause severe injury or death.
Consult filtration specialists for additional filtration and treatment equipment to
meet health and safety standards.
KW
Model
75
EAQ99S
93
EAQ99S
112
EAQ99S
* Flows exceeding "Maximum Water Flow" will cause severe erosion and will void unit warranty.
Figure 2-5 – HEAT EXCHANGER (OIL COOLER) APPROXIMATE WATER FLOW
HEAT EXCHANGER (INTERNATIONAL)
Water Temperature to Heat
Exchanger
(ls)
16° C
21° C
27° C
.57
.70
.94
.76
.95
1.26
.85
1.05
1.41
13-10-616 Page 21
Maximum
Water Flow
(ls) *
32° C
1.41
2.52
1.89
2.52
2.11
2.52
Approximate Water
Pressure Drop @ 32° C
Water Temperature Bar
Less than .15 bar for any
flow rate shown in the
table
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