
Control Panel Description and Installation
150964 4-37
4.22.3 Monitoring A Sprinkler System
Separate zone connections must be made to both the waterflow switch and water shut off
valve when using the 4821/4820 to monitor a sprinkler system. Zone inputs on the 4821/4820
Control Panel are considered Class B (Style A). Refer to Figure 4-28 and Table 4-9 for wiring
configuration and zone programming requirements.
Figure 4-28 Wiring Necessary for Monitoring a Sprinkler System
Note: The Sprinkler Supervisory zone type will display “supervisory”, and the Sprinkler zone type will display
“fire” on the 4860 touchpad display, when in the alarm state.
Table 4-9: Waterflow Switch and Water Shut Off Valve Zone Programming Requirements
Waterflow Switch Water Shut Off Valve
Disarmed Response Armed Response Disarmed Response Armed Response
Short Alarm Alarm Alarm Alarm
EOL Ready Ready Ready Ready
Open Trouble Trouble Trouble Trouble
Zone Type Sprinkler Sprinkler Supervisory
Model 7628
EOL Resistor
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