K-Rain KRC 9 - Master Valve Installation; Rain Sensor Connection

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Installation (continued)
Master Valve Installation
® For a detailed illustration
of valve installation,
view page 32
® The purpose of the
mastervalve [connected
to the PUMP terminal] is to
shut off the water supply
to the irrigation system
when there is a faulty
valve or none of the zones
are operating correctly
® It is used like a backup valve
or fail safe device and is
installed at the start of the
irrigation system where it
is connected to the water
supply line
Rain Sensor Connection
® For a detailed illustration
of rain sensor connection,
view page 32
® A rain sensor detects rainfall
and tells the controller to
suspend watering, resuming
after the sensor dries out
® This is wired between
the SENSOR TERMINAL
[SENS] and the COMMON
[COM] as shown below