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Benchmark 750-3000 Boiler Operation & Maintenance Manual
OMM-0122_D
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GF-206
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5/9/2019
Technical Support
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(800) 526-0288
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Mon-Fri, 8 am - 5 pm EST Page 164 of 164
© AERCO International, Inc., 2019
Change log:
Date
Description
Changed By
11/29/2017
Rev C:
DIR 17-070
: Removed Manufacturer Name From High Gas
Pressure Switch
PIR 1459
: Updated Enclosure Panels In Appendix F, H And H.
(Reference 17-076)
DIR 17-080:
Verified and corrected part numbers in Appendix F
through G.
Chris Blair
5
/9/2019
Rev D:
DIR 18-05:
Replaced schematic drawings in Appendix I.
DIR 18-27
: Corrected burner part numbers: BMK 2500 – 46039,
BMK 3000 – 46038.
DIR 18-45:
Changed part number of Gas Pressure Switch 60032
to 60032-1.
DIR 18-55
: Changed Air Inlet Temp Sensor part number from
61024
to
123449
in Appendix F, G and H. (Reference PIR 1542)
DIR-19-04
: Added additional requirements to Section 1.2:
Emergency Shutdown.
DIR 19-19:
Modified instructions for long-term shutdown (Section
4.10)
Chris Blair