Appendix D: Recommended Periodic Testing - Watts AERCO Benchmark BMK 1500DF User Manual

Benchmark 750-3000 Operation, Service & Maintenance Guide-Latin America
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 of this manual and the Benchmark 750 – 3000 Installation and
Startup Guide OMM-0131 (GF-205-LA) for detailed procedures.
Gauges, monitors
and indicators
Instrument and
equipment settings
Semi-Annually
Firing Rate Control
Flue, vent, stack or
intake air duct
Spark Igniter-Injector
Air/Fuel Valve
position
SSOV Leakage test
Flame failure
Flame signal strength
Low water level cut
off and alarm
Slow drain test Semi-Annually
High water temp.
safety control test
OMM-0132A
GF-206-LA-LA
ACTION BY
Daily Operator
Daily Operator
Weekly Operator
Service Technician
Annually Service Technician
Monthly Operator
Weekly Operator
Weekly Operator
Annually Service Technician
Weekly Operator
Weekly Operator
Weekly Operator
Operator
Annually Service Technician
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913
Ph.: 800-526-0288
REMARKS
Visual inspection and record readings in
operator log
Visual check against factory recommended
specifications
Verify factory settings
Verify factory settings
Check with combustion calibration test
equipment (see Section 4.4 of the Benchmark
750 – 3000 Installation and Startup Guide,
OMM-0131 (GF-205-LA)), and the O
in Section 4.4 of this guide.
Visually inspection condition and check for
obstructions
See Section 4.2.
Check position indicator dial. See Section 3.2
in the Benchmark 750 – 3000 Installation and
Startup Guide, OMM-0131 (GF-205-LA).
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 in the
Benchmark 750 – 3000 Installation and
Startup Guide, OMM-0131 (GF-205-LA).
Check flame strength using the C-More
Controller's Operating menu (see section 2.4).
See section 5.4 in the Benchmark 750 – 3000
Installation and Startup Guide, OMM-0131
(GF-205-LA).
Perform a slow drain test in accordance with
ASME Boiler and Pressure Vessel Code,
Section IV.
See section 5.5 in the Benchmark 750 – 3000
Installation and Startup Guide, OMM-0131
(GF-205-LA).
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01/02/2018