8
PBU-150-11
09/22
TERMINAL CONNECTIONS
TB1
L1
L2
Input Power 120VAC
TB2
1
2
Output Power 120VAC
TB3 Output Signals Dry Contact (N/O)
1
2
3
4
5
6
7
8
AC Power Fault
at (TB1)
Low Battery
Output Overload
at (TB2)
Mainboard
Overheat
Dry contact capacity: 24VAC/DC, 0.5A max. each
LIGHTS INDICATION
BATT PCB
LED6 Power
ON: System power on.
OFF: System power off.
LED7
Output Overload at (TB2)
ON: Overloading.
OFF: Normal.
LED8
Mainboard Overheat
ON: Temp. too high.
OFF: Temp. normal.
LED4 AC Power Fault at (TB1)
ON: AC power abnormal.
OFF: AC power normal.
LED5: Low Battery
ON: Battery voltage below 31V.
OFF: Battery voltage normal.
