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13-20-600 Page 15
INLET LINE LENGTHS
Length of Inlet Line
Diameter of Pipe Size
0 to 10 Feet ............................................. Same as Compressor Inlet Opening
10 to 17 Feet ........................................... One Size Larger Than Inlet Opening
17 to 38 Feet ........................................... Two Sizes Larger Than Inlet Opening
DISCHARGE SERVICE LINE
- The discharge service line connection is made at the left hand corner of
the package when viewed from the control box end. A hand operated valve, (air service valve) must be
installed between the unit and the customer’s air system. If a fast operating valve such as a ball valve is
used, it must be closed slowly to give the intake valve time to shut and keep the discharge pressure from
spiking.
The controller has an automatic start/stop sequence built in. You do NOT need
to close the air service valve. Closing the air service valve on start-up or prior
to shutdown will cause rapid cycling, and could cause a high pressure
shutdown.
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.
ELECTRICAL WIRING - Standard Units -
The compressor package is factory wired for all connections
from the starter to the motor, for the horsepower and voltage specified on the order. The standard unit is
supplied with open drip proof motors and a UL/NEMA Type 4 starter and controls enclosure. Totally
enclosed motors are available as factory options. See “Location” paragraph on page 11, for distance to
the nearest obstruction on the control box side of the package.
The overload settings are to be selected based on motor nameplate full load amperage.
Perform all wiring in accordance with the National Electrical Code (NFPA-70) and any applicable local
electrical codes. Wiring must be performed only by qualified electricians.
Summary of Contents for INTEGRA AIRSMART EFC99J
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