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•
Check the technical data of the electric circuits being connected to ensure they are compatible with the
electrical specifications of the Wilo-Connect module BMS.
•
Connect wires as illustrated.
Wilo-Connect module BMS connection:
SSM
SBM
40
- +
0-10 V
GND (-)
24 V
Installation and operating instructions • Wilo-Connect module BMS • Ed.02/2023-10
Analogue input 0-10 V
(Purple terminal)
for setpoint adjustment with corresponding control mode
Digital input
(Light-grey terminal)
with potential-free contact (switch or relay)
with 24 V digital output signal of an external control.
ATTENTION! Note for connecting 24 V digital output sig-
nal to digital input:
•
Connect the common ground point (GND) to the neg-
ative terminal of the analogue input terminal.
•
Connect the 24 V signal to the digital input terminal,
with the arrow pointing towards the terminal (input).
Parallel use of the analogue input remains possible when
using the common ground point.
Relay output
(Red terminal)
Connection as collective fault signal (SSM)
Connection as collective run signal (SBM)
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