Bosch Building Technologies

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    How to make proper connections to the DS150i relays.

    What is the relay wiring color configuration when in A or B mode?
    With the jumper in the A (fail safe) mode the relays are as follows:
    • 1st Relay:
      • Yellow wire is Common (C)
      • Blue wire is Normally Closed (NC)
      • Violet wire is Normally Open (NO)
    • Second Relay:
      • Grey wire is Common (C)
      • Orange wire is Normally Closed (NC)
      • Green wire is Normally Open (NO)
    With the jumper in the B setting (fail secure) the relays are as follows:
    • 1st Relay:
      • Yellow wire is Common (C)
      • Blue wire is Normally Open (NO)
      • Violet wire is Normally Closed (NC)
    • Second Relay:
      • Grey wire is Common (C)
      • Orange wire is Normally Open (NO)
      • Green wire is Normally Closed (NC)
    Version history
    Revision #:
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    Last update:
    ‎06-14-2018 02:36 PM
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