31
5.2
Connection of electrical supply
(Note 1) Connect all 4 pins for 24 VDC line and GND line.
(Note 2) The functions can be change via RS-485 communication.
(Note 3) Venting valve need to be normally closed. If you use a normally open valve, you have to
change the function via RS-485 communication.
(Note 4) Don’t connect any pins other than specified above.
(Note 5) It takes 6 seconds until it comes to show that this signal is correct, after input POWER.
Содержание UTM300B
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