Benchmark 750-3000 Operation, Service & Maintenance Guide-Latin America
APPENDIX D – RECOMMENDED PERIODIC TESTING
OMM-0132A
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
Page
89
of
162
GF-206-LA-LA
Ph.: 800-526-0288
01/02/2018
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
ACTION BY
REMARKS
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
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 4.4 of the
Benchmark
750 – 3000 Installation and Startup Guide
,
OMM-0131 (GF-205-LA)), and the O
2
sensor
in Section 4.4 of this guide.
Flue, vent, stack or
intake air duct
Monthly
Operator
Visually inspection condition and check for
obstructions
Spark Igniter-Injector
Weekly
Operator
See Section 4.2.
Air/Fuel Valve
position
Weekly
Operator
Check position indicator dial. See Section 3.2
in the
Benchmark 750 – 3000 Installation and
Startup Guide
, OMM-0131 (GF-205-LA).
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 5.7 in the
Benchmark 750 – 3000 Installation and
Startup Guide
, OMM-0131 (GF-205-LA).
Flame signal strength
Weekly
Operator
Check flame strength using the C-More
Controller’s
Operating
menu (see section 2.4).
Low water level cut
off and alarm
Weekly
Operator
See section 5.4 in the
Benchmark 750 – 3000
Installation and Startup Guide
, OMM-0131
(GF-205-LA).
Slow drain test
Semi-Annually
Operator
Perform a slow drain test in accordance with
ASME Boiler and Pressure Vessel Code,
Section IV.
High water temp.
safety control test
Annually
Service Technician
See section 5.5 in the
Benchmark 750 – 3000
Installation and Startup Guide
, OMM-0131
(GF-205-LA).
