What do 12 and 4 mean on the flow meter wiring diagram?

2011-08-11View Original

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It’s a rectangular flow meter, and its terminal labels are marked as 1, 2, 4; I’m not sure what they mean

Reply #22011-08-11

Could some expert please help figure out what’s going on? It doesn’t seem to be mentioned in the instructions

Reply #32011-08-11

Are there only these three terminals? Three-wire signal? Send over the detailed model and pictures to take a look.

Reply #42011-08-11

Send over the wiring diagram or the manual; there can’t be nothing at all

Reply #52012-04-16

It is usually indicated on the back cover of the watch case. If it’s a three-wire setup, it’s likely that one wire serves as the 24V power supply, one is the common terminal, and one is the signal line

Reply #62012-04-16

What is a rectangular flow meter? Haven’t seen it; please post a picture, OP

Reply #72012-04-17

Haven’t seen it; please post a picture, OP.:):) Haven’t seen it; please post a picture

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What do 12 and 4 mean on the flow meter wiring diagram?

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