Honeywell VISTA-128BPT Installation And Setup Manual page 55

1. In Table 3, enter devices connected to the Alarm Output. Calculate alarm currents, then add to get the Alarm
Output current subtotal.
Table 3: Alarm Output Current Load
Device Device Current
Model # X # of Units
Alarm Output Subtotal
(terminals 4 & 5 – 1.7A max.)
2. In Table 4, enter the total calculated subtotals of all listed outputs from Tables 1 through 3, then add to get the
combined current.
Table 4: Total VISTA-128BPT/VISTA-250BPT Current Load
VISTA-128BPT/VISTA-250BPT PCB Current (Includes 2-wire
Total Current
Standby Alarm
XXXXXX
XXXXXX
XXXXXX
XXXXXX
XXXXXX
XXXXXX
XXXXXX
Polling Loop Subtotal (see Table 1)
Aux. Power Subtotal (see Table 2)
Alarm Output Subtotal (see Table 3)
smoke detector loading on zone 1)
Total Current Load
SECTION 4: INSTALLING THE CONTROL
Standby
4-39
Total Current
Alarm
250mA 330mA