Burnham MPC - Manual (Page 71)

71
Table XII: Recommended Periodic Testing Check List
Item
Frequency
Accomplished by Remarks
Gauges and Indicators Daily Operator Make visual inspection and record
readings in log
Instrument and Equipment
Settings Daily Operator Make visual check against
recommended specifications
Firing Rate Control Weekly
Semiannually
Annually Operator
Service Technician
Service Technician Verify factory settings
Verify factory settings
Check with combustion test
Flue, Vent, Stack, or
Outlet Dampers Monthly Operator Make visual inspection of linkage;
Check for proper operation
Igniter Weekly Operator
Make visual inspection; Check flame
signal strength if meter-fitted (See
“Combustion Safety Controls”)
Fuel Valves
Pilot and Main
Pilot and Main Gas or Main Oil
Weekly
Annually
Operator
Service Technician
Open limit switch; Make aural and
visual check; Check valve position
indicators and fuel meters, if so
fitted
Perform leakage tests
(Refer to burner instructions)
Combustion Safety Controls
Flame Failure
Flame Signal Strength
Weekly
Weekly
Operator
Operator
Close manual fuel supply for (1)
pilot, (2) main fuel cock, and/or
valve(s); Check safety shutdown
timing; Record in Log
If flame signal meter installed, read
and log; For both pilot and main
flames, notify service organization if
readings are very high, very low, or
fluctuating (Refer to burner instruc-
tions)
Pilot Turndown Tests As required / annually Service Technician Required after any adjustments to
flame scanner mount or pilot burner;
Verify annually (Refer to burner
instructions)
Hot Refractory Hold-In As required / annually Service Technician
See “Pilot Turndown Tests”
Low Water Cutoff and Alarm Daily / Weekly
Semiannually Operator
Operator Refer to instructions
Perform a slow drain test in accor-
dance with ASME Boiler and Pres-
sure Vessel Code Section VI
(continued)