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19
Installation Instructions
CONNECTING A PUMP START RELAY
(OPTIONAL)
Complete this section only if you have a Pump Start Relay
installed. The ICC2 has one Pump/Master Valve (P/MV)
output, which is capable of activating either a normally closed
Master Valve or a Pump Start Relay. A Pump Start Relay is an
electrical device that uses the irrigation controller to activate a
pump, when used to supply water to a system. When a pump
is to be operated by the controller, a Pump Start Relay must
be used. Do not connect the controller directly to the pump,
as it will result in damage to the controller. The P/MV output is
rated for up to 0.56 A.
1.
Route the Pump Start Relay wire pair into and out of the
cabinet similarly to the station wires.
2.
The P/MV output is located on the power output module,
in the upper left corner of the ICC2.
3.
Hunter Pump Start Relays come with two yellow 24 VAC
flying leads, one of which will connect to the common
“COM” terminal and the other to the P/MV terminal.
4.
Hunter recommends that the controller be mounted at
least 15' (4.5 m) away from the Pump Start Relay. While
most of the time the distance between the controller and
Pump Start Relay doesn’t create any problems, sometimes
the wires on the 24 VAC coil can allow electromagnetic
noise to travel back to the controller. The 15' (4.5 m)
distance between controller and Pump Start Relay helps
dampen any potential electromagnetic noise.
5.
The Pump Start Relay can be activated in accordance with
any particular station. The controller default setting is to
activate the Pump Start Relay output with all stations;
however, it can also be programmed to be active or
disabled with any individual station.
PSR
P/MV
COM