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INSTALLATION AND COMISSIONING
ELECTRICAL WIRING
Board connection's overview
Outputs
(CH1~CH4)
Inputs
(CH1~CH4)
Probe inputs
The unit has four channels; each channel is composed of
an input and an output. Inputs are intended to connect
voltage-free, "switch type" sensors (for example, float-
WARNING: Do not attempt to connect power-supplied probes to the system (0-10V, 4-20mA, etc.). Risk of
!
permanent damage to the unit!
4
SB 3050 R. 06/20
Note: some elements pictured above may not be present in your version.
Balcrank Corporation - Weaverville - NC · Tel.: 800-747-5300 · www.balcrank.com
type sensors). Connect both wires of the sensor to the
desired channel connector (don't care about polarity).
Input connector
(1 to 4)
External alarm
output
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