2 Expansion Options
Page 16 Mk8 MM Expansion Features Installation and Set-Up Guide 04.09.2016
Exp
Option
Default Range Description
62 0 Bottom Blowdown Reduction
If bottom blowdown reduction is enabled, then the timing of the blowdown
will reduce in proportion to the steam production. If there is no steam
production and the configured blowdown timing is reached, then the
minimum time for that blowdown can be set in expansion option 63.
0 Bottom blowdown reduction disabled
1 Bottom blowdown reduction enabled
63 0 Minimum Blowdown Duration
This is the minimum duration for which blowdown will occur, if bottom
blowdown reduction is enabled in expansion option 62. For setting 0, if
there is no steam production, no blowdown will occur, however if a time is
set, then the minimum blowdown duration will be used when there is no
steam production.
0 Disabled
1 – 60 Seconds
64 0 Boiler Steam Production Rating
If bottom blowdown reduction is enabled in expansion option 62, then the
maximum steam production rating for that boiler should be set. The bottom
blowdown time is reduced according to the current steam production and
maximum steam production ratio. This will mean that the blowdown occurs
for a shorter time when there is low steam production.
0 – 5000 0 – 500000 kg/hour or 0 – 1102310l lb/hr (see parameter 40)
65 - Unused
66 - Unused
67 - Unused
68 - Unused
69 - Unused
70 - Unused
71 - Unused
72 - Unused
73 - Unused
74 - Unused
75 - Unused
76 - Unused
77 - Unused
78 - Unused
79 - Unused