Hit Products HDC Controller - Manual (Page 5)

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MASTER VALVE/PUMP START WIRING
If a master valve or pump start relay is being used in
conjunction with this controller, wire as follows.
Hit Products offers a wide range of pump start relays
for most applications that are compatible with the
HDC controller.
Note: DO NOT connect controller directly to pump.
Controller will be damaged if controller is connected
directly to pump.
a) Located at least 15 feet from controller.
b) Have a maximum rated inrush current less
then 350MA at 24 VAC, and be properly
sized for your application.
Connect one wire to the “MV” terminal and one
to the “Com” terminal.
If using a pump start relay, it must be;
1)
2)