AERCO BMK 3.0 LN Dual-Fuel Series Gas Fired Low NOx Boiler System - Manual (Page 125)

APPENDIX I
I-1
RECOMMENDED PERIODIC TESTING CHECK LIST
WARNING
NOTE: 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.
Item Frequency
Accomplished
By Remarks
Refer to indicated paragraphs 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 paragraph 7.4 and Chapter 4.
Flue, vent, stack or
intake air duct
Monthly Operator
Visually inspection condition and check for
obstructions
Ignitor-Injector Weekly Operator See paragraph 7.2
Air/Fuel Valve position Weekly Operator Check position indicator dial (paragraph 3.9)
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 paragraph 6.9
Flame signal strength Weekly Operator
Check flame strength using the Control Panel
Operating Menu. See paragraph 3.4.
Low water level cut off
and alarm
Weekly Operator See paragraph 6.6
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 paragraph 6.7
Operating controls Annually Operator See paragraph 3.2
Low air flow Monthly Operator See paragraph 6.10
High and low gas
pressure interlocks
Monthly Operator See paragraphs 6.2 through 6.5
Air/Fuel Valve purge
position switch
Annually
Service
Technician See paragraph 6.12
Air/Fuel Valve ignition
position switch
Annually
Service
Technician See paragraph 6.13
Safety valves As required Operator
Check per A.S.M.E. Boiler and Pressure Vessel
Code, Section IV
Inspect burner
components
Semi-
Annually
Service
Technician
See paragraph 7.6