Pump / Master Valve Outputs
The controller has two Pump or Master Valves outputs on P1 and P2. Both outputs are current limited and
are designed to operate small 24V DC relays having a coil resistance of > 1K Ohms.
The outputs can also be used as Master Valve outputs. As the outputs P 1nd P2 are current limited you should
operate the solenoid valve using a relay as shown in fig.1.
Cable Earth Points
Cable earth points should be wired to the cable with earth rods as also shown in Fig 2. A minimum of 3 should
be installed for a looped cable and a minimum of 2 for a straight cable. Additional cable earth points should
be wired every 750m if necessary. Failure to wire these earth points will make the controller liable to surges
caused by lightning which may causes serious damage.
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