AERCO BMK 1000 - Manual (Page 179)

Benchmark 750/1000 Boiler Installation, Operation & Maintenance Manual
APPENDIX J – RECOMMENDED PERIODIC TESTING
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APPENDIX J – RECOMMENDED PERIODIC TESTING
WARNING
Periodic testing of all boiler controls and safety devices is required to determine that they
are operating as designed. Precautions shall be taken while tests are being performed to
protect against bodily injury and property damage. The owner or user of an automatic boiler
system should set up a formal system of periodic preventive maintenance and testing.
Tests should be conducted on a regular basis and the results recorded in a log-book.
Table J1: Recommended Periodic Testing
Item Frequency
Accomplished
By
Remarks
Refer to indicated sections of this manual for detailed procedures
Gauges, monitors and
indicators
Daily Operator
Visual inspection and record readings in
operator log
Instrument and
equipment settings
Daily Operator
Visual check against factory recommended
specifications
Weekly Operator Verify factory settings
Firing Rate Control
Semi-
Annually
Service
Technician
Verify factory settings
Annually
Service
Technician
Check with combustion calibration test
equipment. See section 7.4 and Chapter 4.
Flue, vent, stack or
intake air duct
Monthly Operator
Visually inspection condition and check for
obstructions
Spark Igniter-Injector Weekly Operator See section 7.2
Air/Fuel Valve position Weekly Operator Check position indicator dial (section 3.11)
SSOV Leakage test Annually
Service
Technician
Check for leakage in accordance with the
SSOV manufacturer’s (Siemens)
recommendations.
Flame failure Weekly Operator
Close manual gas shutoff valve and check
safety shutdown. See section 6.7
Flame signal strength Weekly Operator
Check flame strength using the Control
Panel Operating Menu. See section 3.4.
Low water level cut off
and alarm
Weekly Operator See section 6.4
Slow drain test
Semi-
Annually
Operator
Perform a slow drain test in accordance with
ASME Boiler and Pressure Vessel Code,
Section IV.
High water
temperature safety
control test
Annually
Service
Technician
See section 6.5
Operating controls Annually Operator See section 3.2