Connecting A Pump Start Relay - HYDRO-RAIN HRC-050-04-EU Manual Para El Usuario

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SENSOR COM 1
ON OFF
RAIN SENSOR
Figure 19: Sensor Override Switch
SENSOR COM 1 2 3 4
ON OFF
RAIN SENSOR
Figure 20: Connecting the Rain Sensor
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2 3 4 5 6 PUMP 24VAC
5 6 PUMP 24VAC
pump start relay
A Pump start relay can be connected to the controller . The purpose of the
pump start relay is to synchronise your pump for watering with your sprinkler
controller .

Connecting a pump start relay

Connect the sprinkler controller wires to the controller by connecting one wire
to the terminal labeled "Pump" or "Master Valve" . The other wire should be
connected to the terminal label "Com" or "Common" .
trouble shooting
problem/possible Causes
one or more valves do not turn on:
1 . Faulty solenoid .
2 . Wire broken or not connected .
3 . Flow control stem screwed down, shutting valve off .
4 . Programming is incorrect .
stations turn on when they are not supposed to:
1 . Water pressure is too high .
2 . More than one start time is programmed .
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