American Power Conversion DC Series user manual Battery Test Function Input Description Location

2.5.3Battery Test Function

Input	Description	Location
Battery Test	Front panel momentary push button. Push and hold drops	Push button mounted on
	output volts to 45Vdc. This is below battery float voltage and	controller front panel.
	is used to check the batteries can supply the system load.

2.5.4Enable Function

Input	Description	Location
Enable	Back-plane circuit board mounted 3-way Molex header. Link	SK22 (mounted on back-
	pins 1 and 2 with supplied link for “local” enable of rectifier	plane board).
	outputs. Link pins 2 and 3 for “remote” enable.
	If “remote” enable SK17-1 and SK17-6 must be linked to
	enable rectifier outputs.
	System is set to “Local Enable” as standard

SK17

SK22

Note: Prior to accessing and making connections ensure batteries are disconnected from the system by setting battery connection switch to “OFF” via controller / alarm card front panel (see section 2.3) and by turning the external battery breaker off.

The AC input supply must then be turned off by operating the local isolator or disconnection device.

User Manual 990-9178A	Page 17 of 44	18th FEB 02
DC MX06 40A Shelf