APC SURGEARREST PMF3S-A Instruction Manual download pdf (Page 16)

Push the alarm enable/disable button to enable or disable the alarm. If the

green alarm LED is lit the alarm is enabled. If the green alarm LED is not lit,

the alarm is disabled.

The surge counter displays the number of transient voltage surges since

the counter was last reset. The counter is battery powered to retain

memory in the event of a power loss to the diagnostic display panel.

To reset the surge counter remove all power and press the small switch

located inside the unit on the underside of the diagnostic circuit board

(near the communication connectors). This will reset the counter to zero.

Figure 8: Three-Phase Display Panel with Surge Counter

AUDIBLE ALARM

SURGE COUNTER

Description of

phase LED's

Alarm enable/disable

push buttons

On-Line diagnostic

push buttons

Surge counter

Phase LED's

Note: Three phase model shown

Surge counter

reset switch

(on diagnostic

circuit board)

Enable Alarm

Disable Alarm

Alarm LED

OPERATION

APC MODULAR PANEL PRODUCTS Surge Protective Device (SPD)

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APC SURGEARREST PMF3S-A Instruction Manual Page 16