8
INSTALLATION (CONT’D)
AIR LINE PIPING
Connection to air system should be of the same size, or larger, than discharge pipe out of unit. The table
gives recommended minimum pipe sizes. A union connection to the unit and water drop leg is
recommended. Install a flexible connector between the discharge of the unit and the plant air piping. Plant
air piping should be periodically inspected for leaks using a soap and water solution for detection on all pipe
joints. Air leaks waste energy and are expensive.
Minimum Pipe Sizes For Compressor Air Lines
(Based on clean Smooth Schedule 40 Pipe)
MODEL
25’
50’
100’
200’
300’
R15B
1
”
1
”
1
”
1-1/4
”
1-1/4
”
Never use plastic pipe or improperly rated metal pipe. Improper piping material can burst and
cause injury or property damage.
ELECTRICAL POWER SUPPLY
It is essential that the power supply and the supply wiring are adequately sized and that the voltage
corresponds to the unit specifications. Branch circuit protection must be provided at installation as specified
in the National Electrical Code (NEC).
All wiring should be performed by a licensed electrician or electrical contractor. Wiring must meet applicable
codes for area of installation.
All models require a properly sized magnetic starter as specified in the NEC.
DUPLEX OPERATION
Unit is equipped with a factory installed Duplex Control Panel. It is necessary only to bring lines from a
properly sized disconnect switch to the Duplex Control Panel.
Refer to FIGURE 1 for wiring diagram. See pages 10
–15 for wiring instructions.
Unit is equipped with a factory installed Duplex Control Panel. It is necessary only to bring lines from a
properly sized disconnect switch to the Duplex Control Panel.
