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Air Techniques, Inc.
AS12, AS22, AS50, AS70,
I n t e r n a t i o n a l
220VAC
Electrical Connections
L1
L2
GND
WHITE
GREEN
BLACK
WHITE
BLACK
GREEN
24V Connections:
24V connections are used when installing a 24V remote switch .
They are made at the pressure switch as shown by Figure 3 . When not using the
remote switch, insulate the BRN wire and tie the ORG and YEL wires together .
24V Connections
Figure 3.
AirStar
Electrical Connections
INSTALLATION INFORMATION
Notes:
1 . Use 18 Gauge, 4 conductor, interconnect cable between the
AirStar
unit and Remote Switch Panel .
When any 24V circuit exceeds 150 feet, use #16 AWG .
2 . As shown, 3 conductors of the 24V circuit cable from each compressor
connect via the user-supplied interconnect cable .
3 . The fourth conductor of interconnect cable to be used for future
equipment options/enhancements .
4 . Leave with factory connection, without a 24V Switch, or connect
the associated interconnect cable directly to remote switch .
Please note that one switch is used for each compressor .
Interconnect
Cable
Yellow 2
Brown 4
Orange 3
See Note 3
Future Use
Remote
Panel
Yellow 2
Brown 4
Orange 3
White
White
See
Note 4
Connection
without
24V Switch
4 BRN
3 ORG
2 YEL
From
Electrical Box
2
4
3
ORN
YEL
BRN
BLU
BLK
BRN
YEL
BLK
BRN
BLU
ORN
Pressure Switch
To Remote
Panel