Connecting the Hydran M2-X to Hydran 201Ci 
Controllers 
 
Figure 41: Wiring of the Supervisory Link between a Hydran M2-X and a Hydran 201Ci-1 Controller 
 
Note: The Hydran 201Ci-1 Controller can only display the gas level measured by the 
Hydran M2-X, not the moisture level. 
 
Figure 42: Wiring of the Supervisory Link between a Hydran M2-X and a Hydran 201Ci-C Controller