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User's Guide - Toro Media

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Pump Start/<br />

Master Valve<br />

Valve<br />

Common<br />

Valve Common Wire<br />

Pump Start Relay Master Valve<br />

CAUTION: To avoid possible equipment damage, do not connect pump starter directly<br />

to the controller. A 24V, 0.5A (maximum) relay must be used for this connection.<br />

Flow Sensor Connection<br />

1. Route the flow sensor wires into the controller cabinet.<br />

2. Connect the flow sensor wires to the flow-enabled expansion module as follows: Black to<br />

negative (–) and Red to positive (+).<br />

NOTE: Flow Sensor wiring polarity must be correct to enable operation.<br />

Black (–) Red (+) Master<br />

Valve<br />

Flow Sensor Master Valve<br />

3. If the master valve circuit is used, connect either solenoid wire to the MV terminal and the<br />

remaining wire to either common terminal (C).<br />

NOTE: The master valve circuit is controlled by operation of the corresponding expansion<br />

module only.<br />

23

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