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GENERATION NITROGEN GENERATOR SYSTEM MANUAL
ALARMS
The nitrogen generator system features non-powered alarm contacts that can be used to monitor the
condition of the system externally. The following table lists each alarm and its corresponding cause, terminal
condition and the maximum rating for the monitoring system.
ALARM
Low Gas Space
Gas space pressure has
Pressure
High Gas Space
Gas Space pressure has
Pressure
Low Nitrogen
Nitrogen Storage tank has
Storage Tank
Internal air space has risen
Generator Temp
Alarm
Generator Shut
pressure has decreased –
Down (Bottle
generator has shut down
Back-Up
Systems Only)
Patented 2nd Generation Nitrogen Generator Systems are manufactured and distributed by Waukesha
SPX Transformer Solutions, Inc. U.S. Patent Nos. 6,581,694; 6,568,287; 6,062,821; 5,902,381 and 5,744,764.
CONDITION
gone lower than 0.2 psi
exceeded 5.5 psi
fallen lower than 50 psi.
above 105°F OR fallen
below 40°F
Nitrogen generator
and back-up bottle
is in use
NOTE: All ratings listed are resistive.
Table 2 – External Alarms
TERMINAL CONDITION
Contact closes between
terminals 1 and 2
Contact closes between
terminals 2 and 3
Contact close between
terminals 4 and 5 AND
contact opens between
terminals 5 and 6
Contact closes between
terminals 11 and 12
Contact closes on
Trip-Aux switch
®
Service & Components, a division of
ELECTRICAL RATING
1A, 120VAC or 2A,
30VDC
1A, 120VAC or 2A,
30VDC
5A, 250VAC or 5A,
30VDC
or 0.8A 125VDC
40A, 125VAC
2A, 125VAC
N2-Gen-Manual REV 3.8, 8/2014
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