Wilo Yonos GIGA2.0-I Notice De Montage Et De Mise En Service page 143

7.5 Wilo Net connection for twin-
head pump function
7.6 Turn of the display
Installation and operating instructions Wilo-Yonos GIGA2.0-I/-D
Electrical connection
NOTICE
For a twin-head pump or Y-pipe installation, connect the differential pressure
sensor to the main pump! The measuring points of the differential pressure sensor
must be on the suction and discharge side of the twin-head pump system in the
common collector pipe. See "Twin-head pump installation/Y-pipe installation"
[} 133] section.
Wilo Net is a Wilo system bus used for establishing communication between Wilo
products:
ƒ
Two single pumps as a twin-head pump in the Y-piece or one twin-head pump in a
twin-head pump housing
NOTICE
For Yonos GIGA2.0-D, the Wilo Net cable for twin-head pump communication is
factory-fitted to both electronic modules.
In order to establish the Wilo Net connection, the three H, L, GND terminals must be
wired with a communication cable from pump to pump.
Incoming and outgoing cables are clamped in a terminal.
Possible cable for Wilo Net communication:
ƒ
Y(ST)Y 2x2x0.6 telecommunications cable
Pump Wilo Net termination
Pump 1 switched on
Pump 2 switched on
Table 13: Wilo Net cabling
Number of Wilo Net participants:
In the Wilo Net, a maximum of 21 participants can communicate with each other, each
individual node counting as a participant here, i.e., a twin-head pump consists of two
participants.
ƒ
Twin-head pump = 2 participants (e.g. ID 1 and 2)
For further descriptions, see "Application and function of the Wilo Net interface"
[} 180] section.
CAUTION
If the graphic display is not fixed properly and the electronic module is not installed
correctly, protection class IP55 is no longer ensured.
• Ensure that no gaskets are damaged!
en
Wilo Net address
1
2
143