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COMPRESSOR APPLICATION GUIDE
To ensure that you get the highest level of satisfaction from your compressor's performance, refer to
information below:
VIAIR COMPRESSOR REFERENCE CHART
COMPRESSOR SERIES
100 SERIES
275 SERIES
280 SERIES
325 SERIES
350 SERIES
380 SERIES
400 SERIES
450 SERIES
480 SERIES
ABOUT COMPRESSOR DUTY CYCLE:
Compressor Duty Cycle refers to amount of time a compressor can be operated in a given time
period, at 100 PSI and at a standard ambient temperature of 72°F. Duty Cycle is commonly
expressed in percentile as:
Compressor on Time/ (Compressor on Time + Off Time) %
As an example, a compressor that is rated for 25% duty cycle means that compressor can be
operated at:
100 PSI @ 72°F for 10 Minutes ON and 30 Minutes OFF
10 Min. On / (10 Min. On + 30 Min. Off) = 10 Min. / 40 Min.
=25% Duty Cycle
DUTY CYCLE REFERENCE CHART
DUTY CYCLE @100PSI / 72°F
15%
20%
25%
30%
33%
100%
ABOUT RATED WORKING PRESSURE:
To ensure trouble free service life of your compressor, always operate compressor within rated
working pressure of the compressor. Never use a pressure switch with a higher cut-off pressure
than compressor's rated working pressure.
WIRE GAUGE GUIDE 12-VOLT:
Length of wire from battery to compressor
Amp Draw
10
10
14
15
12
20
10
25
10
30
10
40
8
50
6
60
6
330C-IG - 450C-IG COMPRESSOR KIT
DUTY CYCLE
15%
25%
30%
33%
100%
100%
33%
100%
100%
MINUTES ON / OFF
6 Min. On / 34 Min. Off
8 Min. On / 32 Min. Off
10 Min. On / 30 Min. Off
13 Min. On / 30 Min. Off
15 Min. On / 30 Min. Off
Continuous Duty
15
20
25
12
10
10
10
10
8
10
8
6
8
6
6
8
6
6
6
6
4
6
4
4
4
4
2
USER MANUAL
WORKING PRESSURE
130 PSI
150 PSI
150 PSI
150 PSI
150 PSI
200 PSI
150 PSI
150 PSI
200 PSI
WIRE GAUGE GUIDE 24-VOLT:
Amp Draw
30
10
10
8
15
6
20
6
25
4
30
4
40
2
50
2
60
Length of wire from battery to compressor
10
15
20
18
16
14
16
14
12
14
12
10
12
12
10
12
10
10
10
10
8
10
8
6
10
8
6
25
30
12
12
12
10
10
10
10
10
8
8
6
6
6
6
6
4
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