14
125GMT
Amphenol Network Solutions
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509.926.6000
— amphenol-ns.com.com
2.2.6 Remove alarm cover
16. Remove alarm cover by using Phillips screwdriver, as shown in Fig. 2-6. Once the front cover has been
taken off the panel, remove and discard the small pink packaging foam piece inside the front cover.
2.2.7 Alarming
17. With all the GMT fuse positions empty, enable the breaker at
the primary distribution unit or battery, 125% of panel rating (for
125A rated feeds) to turn on Feed A to Side A of the panel.
Check voltage and polarity at input connectors of the panel.
Verify the following:
•
A PWR LED on the front of panel turns green
•
A ALM LED on the front of panel turns red
•
B PWR LED remains off
•
B ALM LED remains off
18. With A PWR LED green (normal operation) and A ALM LED
red (alarm state)
— but with B PWR LED and B ALM LED off
— test ALM relay and contact alarm terminals:
•
Expect an open circuit (∞Ω) between terminals C and NC
•
Expect
continuity (0Ω) between terminals C and NO
19. With no output wires connected or with the output loads (devices fed by this panel) disabled, install fuses
into the fuse positions.
Fig. 2-6: Removing the alarm cover
A PWR
LED
B ALM
LED
A ALM
LED
B PWR
LED
Fig. 2-7: 125GMT15 LED status
