GE hydran m2 - Supervisory Link to 201 Ci-4 Controller; RS-485 Link to a D25

Hydran* M2 Installation Guide
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16375 v9.0 Oct 12
Figure 45: Wiring of the Supervisory Link between a Hydran M2 and a Hydran 201Ci-4 Controller
Note: The Hydran 201Ci-1 Controller can only display the gas level measured by
the Hydran M2, not the moisture level.
Connecting the Hydran M2 to a D25
Figure 46: Wiring of the RS-485 Link between a Hydran M2 and a D25