Unipower ARR-M Series - Positive Ground Fault Alarm

BATTERY CHARGER USER’S MANUAL PART- 2: THEORY OF OPERATION
MCEnPC23-REV.2.4 Page 52
iii. Positive Ground Fault Alarm
If resistance between positive to chassis decreases below a preset value during a preset time, this alarm will be
activated. Leakage resistance is given by the following formula:
Leak
Leak
I
R
2
1

Example:
mAI
Leak
5
,
VR
leak
/100 
We can enable or disable and adjust Positive Ground Fault alarm as shown on the procedure below:
Alarms?
Ok
Next
P
r
Exit
Adjust? Level1
Ok Next P
r
Exit
ON5.0mA GNDF

Set
ExitNext
P
r
ON
OFF
Next
Exit
:getyou Next till Press
Next
Exit

-
ON GNDF

Fault Ground
10.5A 136.2V
:getyou Next till Press
ON5.0mA GNDF

Figure 52 : Positive Ground Fault Alarm adjustments procedure.