Appendix D: Recommended Periodic Testing - Watts Aerco Benchmark OMM-0117 Operation And Maintenance Manual

Benchmark 5000-6000 Operation & Maintenance Manual
APPENDIX D – RECOMMENDED PERIODIC TESTING

Appendix D: 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.
Recommended Periodic Testing
ITEM FREQUENCY
NOTE: Refer to indicated sections and guides for detailed procedures
Gauges, monitors
and indicators
Instrument and
equipment settings
Semi-Annual Service Technician Verify factory settings.
Firing Rate Control
Flue, vent, stack or
intake air duct
Pilot Burner
Air/Fuel Valve
position
SSOV Leakage test
Flame failure
Flame signal strength
Low water level cut
off and alarm
Slow drain test Semi-Annual
OMM-0118_B • GF-203 • 5/9/2019
ACTION BY
Daily Operator
Daily Operator
Weekly Operator
Annually Service Technician
Monthly Operator
Weekly Operator
Weekly Operator
Annually Service Technician
Weekly Operator
Weekly Operator
Weekly Operator
Operator
Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST
REMARKS
Visual inspection and record readings in operator
log.
Visual check against factory recommended
specifications.
Verify factory settings.
Check with combustion calibration test
equipment. See Section 4.2 of the Benchmark
5000 – 6000 Installation and Startup Guide,
OMM-0117 (GF-202) and Section 4.5 of this
guide.
Visually inspection condition and check for
obstructions.
See Section 4.2 of this guide.
Check position of indicator dial. See Section 3.2
Benchmark 5000 – 6000
Start Sequence of the
Installation and Startup Guide, OMM-0117
(GF-202
).
Check for leakage in accordance with the SSOV
manufacturer's (Siemens) recommendations.
Close manual gas shutoff valve and check safety
shutdown. See Section 5.7 Flame Fault Tests of
Benchmark 5000 – 6000 Installation and
the
Startup Guide, OMM-0117 (GF-202
Check flame strength using the C-More
Controller's Operating menu. See Section 2.4 of
this guide.
Benchmark 5000 –
See Section 5.4 of the
6000 Installation and Startup Guide, OMM-
0117 (GF-202
).
Perform a slow drain test per ASME Boiler and
Pressure Vessel Code, Sect. IV.
).
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