UNITED FIRE SYSTEMS
STANDPIPE-
PAC™ MODEL SSS-101
DESIGN, INSTALLATION, OPERATION, AND MAINTENANCE MANUAL
REVISION 2.00
P/N 10-540101-001
Page 31
When pressure drops within the standpipe, the following will be indicated:
LOW PRESSURE IN STANDPIPE
INDICATOR or CONTROL
ITEM
STATUS
Visual Indicator
Pressure Gauge
Indicating less than 7 PSIG
Visual Indicator
AC POWER
ON
Visual Indicator
ACTIVE
ON
Visual Indicator
COMM. FAIL
Off
Visual Indicator
BATT. FAULT
Off
Visual Indicator
SYSTEM TRBL
Off
Visual Indicator
SUPERVISORY
Off
Visual Indicator
GND FAULT
Off
Audible Indicator
Piezo Sounder
ON
Audible Indicator
Signal Horn
ON
Control
Lockable Shutoff Valve
Open
Control
Compressor Disconnect Switch
ON
Control
Test / Service Device
Not Operated
4.3.3. Signal Operation
– High Pressure In Standpipe.
If pressure increases in standpipe above 25 PSIG, the following will be indicated:
HIGH PRESSURE IN STANDPIPE
INDICATOR or CONTROL
ITEM
STATUS
Visual Indicator
Pressure Gauge
Indicating 25 PSIG or more
Visual Indicator
AC POWER
ON
Visual Indicator
ACTIVE
ON
Visual Indicator
COMM. FAIL
Off
Visual Indicator
BATT. FAULT
Off
Visual Indicator
SYSTEM TRBL
Off
Visual Indicator
SUPERVISORY
Off
Visual Indicator
GND FAULT
Off
Audible Indicator
Piezo Sounder
ON
Audible Indicator
Signal Horn
ON
Control
Lockable Shutoff Valve
Open
Control
Compressor Disconnect Switch
ON
Control
Test / Service Device
Not Operated
CAUTION
High pressure in the standpipe can lead to a delay in firefighter use of the standpipe. Follow instructions under
“Procedures – What To Do If High Pressure Exists In Standpipe.” Failure to do so increases the risk of injury
and property damage when firefighters are delayed when fighting a fire.