Check Firing Rate; Parameter Settings - ECR International Dunkirk DCBF-75 Manual

Condensing gas fired boiler
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9.14 Check Firing Rate

1.
Measure input, if a gas meter is installed in the
system.
• Turn off gas to all other appliances.
• Activate some heating zones to dissipate heat.
• Set boiler on high fire using Chimney Sweep
Function.
• Use ½, 1 or 2 cu ft dial on gas meter. Measure
time required for two or more complete
revolutions. Measure time
minutes.
• Calculate input.
For Natural Gas :
Input (MBH)
=
Example: Natural Gas - Gas flow from
Meter = 2 cu ft
Measured time = 72 seconds
=
For Propane (LP):
Input (MBH)
=
For Metric formulas- See Glossary
2.
Compare measured input to table below. If
calculated input is not in range given in Table 9-2
check firing rate again after setting the combustion
following steps in section 9.12.
NOTICE
Important! Record any changes made to
Parameters on chart found on Page 46 of the
Application Guide supplied with your boiler.
Table 9-2 Input Rate @ High Fire (MBH)
Approximate Rate @
100% Fire (MBH)
Size
75
100
115
125
150
165
205
9 - START UP PROCEDURE
for one or more
3600 x
cu ft
seconds
3600 x 2 cu ft
= 100 MBH
72 seconds
9160 x
cu ft
seconds
75
93.5
115
125
150
164
205

9.15 Parameter Settings

Program boiler electronic board parameters as follows:
• Press
and
for 6 seconds until program "P01" appears on the
display alternated with the set value;
• Press
or
• Press
, value of selected parameter begins
flashing, press
• Press
to confirm the value or press
exit without saving.
Further information in regards to parameters listed in
the following table are supplied together with required
accessories if necessary.
54
together, hold them down
to scroll the list of parameters;
to change the value;
240013509 REV A, [03/15/2022]
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