One Master Valve - Two
Controllers
There are many times when two controllers are being supplied from a single POC (point of
connection) or source of water. Hydrawise-ready controllers can be connected to a single
master valve using a isolation relay (part number REL2). This device will allow for two
controllers to share the same master valve with out any issues.
The few limitations include:
Only one controller can operate at a time.
A delay of at least five minutes between the operation of controller #1 and controller #2
is desirable.
Electrical alerts will apply for each controller.
Steps for set up.
1. Wire the relay according to the drawing below.
2. Set up the master valve in the the app for both controllers using the normal instructions
in the article here [28].
3. Set up a new master valve using the app for controller #2 as per normal instructions.
REL 2 is NEVER connected to high voltage. It is for 24 VAC devices only.
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