Prestige TriMax Control Supplement
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The Master boiler uses the following algorithm to determine when the next
boiler can be enabled:
Once the currently fired boilers reach the calculated firing rate, the next
boiler can be enabled without affecting the overall cascade firing rate. For
example, the calculation for a Cascade System consisting of two PRES-
TIGE Solo 399s would be:
Once the first PRESTIGE Solo 399 firing rate reaches 60%, the second
PRESTIGE Solo 399 can be enabled. Both will then fire at the minimum
30% firing rate so that the overall output from the Cascade System remains
the same.
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Once the firing rate of all currently fired boilers decreases to the Minimum
Firing Rate, a boiler can be disabled. The boilers which continue to fire
will increase their firing rate if required to replace the output of the dis-
abled boiler.
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Maximum Firing Rate is the maximum firing rate of a single boiler in the
Cascade System. Press the !( or &( buttons to adjust the
Maximum Firing Rate then press the $ button to store the setting. The
recommended settings are:
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NOTICE
NOTICE
Prestige Model Maximum Firing Rate
Solo 60 57 MBH
Solo 110 Natural Gas 109 MBH
Solo 110 Propane Gas 95 MBH
Solo 175 170 MBH
Solo 250 245 MBH
Solo 399 398 MBH
0MBH
869MBH
398 MBH
Maximum
Firing Rate
Number of Boilers Firing +1
Number of Boilers Firing
x Minimum Firing Rate = Individual Boiler Firing Rate
1 + 1
1
x 30% = 60%