Figure 31: Wiring of the AC Power Supply Terminal Block ................................................................................................................. 29
Figure 32: User Interface Overview ................................................................................................................................................................ 30
Figure 33: Display Overview ............................................................................................................................................................................... 30
Figure 34: Installing the Cover .......................................................................................................................................................................... 43
Figure 35: Wait 24 Hours ..................................................................................................................................................................................... 44
Figure 36: Compare the Gas Level Reading to a Recent DGA ......................................................................................................... 44
Figure 37: Network Overview (Daisy Chaining of Hydran M2s) ....................................................................................................... 45
Figure 38: Local Communications with a Laptop Computer (for service only) ....................................................................... 45
Figure 39: Grounding the RS-485 Conduits ............................................................................................................................................... 46
Figure 40: General Wiring of the RS-485 Terminal Block .................................................................................................................... 46
Figure 41: Wiring Details of the RS-485 between 2 or more Hydran M2s ................................................................................. 47
Figure 42: Remote Communications with a Host Computer via a Modem .............................................................................. 48
Figure 43: Wiring of the Supervisory Link between a Hydran M2 and a Hydran 201Ci-1 Controller.......................... 49
Figure 44: Wiring of the Supervisory Link between a Hydran M2 and a Hydran 201Ci-C Controller ......................... 49
Figure 45: Wiring of the Supervisory Link between a Hydran M2 and a Hydran 201Ci-4 Controller.......................... 50
Figure 46: Wiring of the RS-485 Link between a Hydran M2 and a D25 .................................................................................... 50
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