Aerco Benchmark 2000 User Manual

Benchmark 1500 - 2000 Boilers
Page 182 of 182 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 OMM-0097_0E
10/01/2015 Ph.: 800-526-0288 GF-142
© AERCO International, Inc., 2015
Change Log:
Date Description Changed By
03/20/2014
Rev D PIRs:
PIR 780: replaced mechanical latch with magnetic
PIR 934-14: Corrected labels of Blower Proof and Blocked Inlet switches in diagrams in chapter 7
PIR-960: Addition of two sub-sections in 2.10.12; addition of section 2.15 Sequencing Valve
Installation; addition of section 3.9 _BST Menu; addition of Chapter 10 – Boiler Sequencing
Technology; replaced all wiring schematics in Appendix I, addition of 24V Sequencing Valve &
Flame Detector Amplifier.
PIR-934-33: Modified step 13 in Combustion Calibration regarding defective O2 Sensor.
PIR-934-37: Modified Blocked Inlet switch Test instructions, section 6.8.2.
PIR-1005: Changed Maintenance Kit part numbers
Curtis
Harvey
&
Chris Blair
10/01/2015
Rev E PIRs:
979: Revised gas train 22199 in Appendix G.
992-1: Replaced old style Condensate trap 20460 with new style, 24441 in section 7.7.
1000: P/N 61026 now labeled “Lean Oxygen Sensor,” 64081 now named “ECU”
1011: Changed Blocked Inlet switch pressure from -8.0 to -4.5 in Appendix A.
1023: Replaced Low Gas Pressure switch 61002-8 with 61002-11 on gas train 22188, and 61002-
16 with 61002-12 on gas train 22199, in Appendix G.
934-65: Added explanatory paragraph to section 2.15 – Sequencing Isolation Valve Installation
1028: Replace fuel rod 66020 with 66034
1044: Modify Table A (Spare Parts Kit) in Appendix G
934-79: Warranty revision, dated 6/11/14, replaced “water heater” with “boiler.”
934-87: Updated graphic & instructions in section 2-10, updated tables 3-2, 3-3 and 3-4
934-88: Removed SD-A-898 from Appendix F.
934-99: Added new section 7.9 - LWCO Cap Test Instructions
934-104: Changed calibration settings, section 3.8, 3-11 & 4.3.2
1092: Removed Chapter 9 – RS232 Communication, per Firmware version 4.0 and above.
1094: Replaced Tridicator P/N 69087-TAB with 123675-TAB.
1115: Updated gas train 22188 in Appendix G.
934-145: Warranty pages removed. Warranty information for all BMK units is now included in a new
stand-alone document, All Benchmark Limited Warranty, posted on the AERCO web site.
934-150: Clarified references to & function of spark monitor (p/n 61034) (or AC current transducer)
in section 2.10.4, added new section 7.12 Spark Monitor
934-155: Added Installation Notes regarding BST with ProtoNode SSD to new section 9.1.
934-184: Changed gas pressure for BMK 2000 from 3.9 to 3.4 in sections 4.3.1, 4.3.2, 6.3 and
Table 8.1.
DIR 199: Replaced sections 2.12.1 & 2.12.2 with statement about opening size of not less than one
square inch for each 4000 BTUs input for each unit. Applies to both inside and outside air.
1152: Replace Thermowell 93359 with 58132.
1167-2: Modified gas trains and schematics in Appendix H and I.
1174: Updated gas trains in Appendix G.
1235: Replace Blower Proof switch 60011-2 with 60011-4 in Appendix G.
DIR 225: Section 7.8, replaced "use WD_40" with "use K&N® Air Filter Oil (or equivalent). Do NOT
use WD-40."
DIR: 242: Revise combustion calibration instructions (section 4.3) and Combustion Cal menu
options (Section 3.8, 3.11, Appendix A table A-5).
Chris Blair

Aerco Benchmark 2000 Specifications

General

Brand	Aerco
Model	Benchmark 2000
Category	Boiler
Language	English