8 Multi Burner Operation
Mk8 MM Manual Page | 149
8.2.2 Options and Parameters
The following table shows the Mk8 MM options relevant to implement Multi-Burner operation.
Multi-Burner Highest Slave ID
8.2.3 Commissioning in Multi-Burner Operation
In Multi-Burner operation, the MMs can be commissioned simultaneously or individually.
To commission all MMs simultaneously, option 43 should be set to 1 or 2.
To commission the MMs individually, option 43 should be set to 0, then changed to 1 or 2 after the
commissioning is done.
Before commissioning, set the ID number for each MM in option 44. The Master MM must have ID number 1
and the Slave MM must have ID number of 2 or greater.
The multi-burner ID is independent of sequence ID number, which should also be set as required in option
33. Option 51 must be set to the highest multi-burner ID in the multi-burner configuration as set in option 44.
It is the commissioning engineer’s responsibility to ensure that no adverse effects are caused as a
result of using this feature, particularly, stress to a boiler not designed to have only one burner
firing. It is strongly recommended to have all burners commissioned simultaneously.
After setting the relevant options, the MM can be commissioned as detailed in section 3. After
commissioning all the MMs, if commissioned individually, option 43 will need to be set to 1 or 2 as
appropriate.
8.2.4 Fuel Flow Metering in Multi-Burner Operation
To enter fuel flow commissioning, all MMs should be in firing mode, all burners will follow the firing rate of the
unit being metered. Each MM must have its fuel flow metering done individually one at a time. Please refer to
section 3.5 for information on how to set-up fuel flow metering.
8.2.5 Single Point Change in Multi-Burner Operation
For Single Point Change, all burners will follow the firing rate of the MM unit being subject to the Single Point
Change. It is not possible to perform single point change on more than one unit at a time.
After performing single point change to the commissioning curve, the fuel flow metering needs to be re-done
on all MMs in the Multi-Burner setup.
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