AERCO BMK 2.0 LN Natural Gas (SN G-11-1861 and above) - Manual (Page 83)

GF-123
Benchmark 2.0LN Low NOx Boiler
Chapter 7
OMM-0046_0E I nstallation, Operation and Maintenance Manual Maintenance
PR1 08/20/12 AERCO International Inc.● 100 Oritani Dr. ● Blauvelt, NY 10913. ● Ph: 800-526-0288 Page 83 of 170
CHAPTER 7. MAINTENANCE
7.1 MAINTENANCE SCHEDULE
The unit requires regular routine maintenance to keep up efficiency and reliability. For best
operation and life of the unit, the following routine maintenance procedures should be performed
in the time periods specified in Table 7-1. See Appendix I for a complete CSD-1 inspection
check list.
In order to perform the maintenance tasks specified in Table 7-1, the following maintenance kits
are available through your local AERCO Sales Representative:
• Annual Maintenance Kit, Part No. 58025-01
• 24-Month Waterside/Fireside Inspection Kit, Part No. 58025-06 (See NOTE below)
NOTE
The 24-Month Waterside/Fireside Inspection Kit also includes the items
contained in the Annual Maintenance Kit. Therefore, only Kit Part No.
58025-06 is required when performing the waterside/fireside inspections.
Appendix K contains recommended spare parts lists for maintenance of the boiler.
WARNING
TO AVOID PERSONAL INJURY, PRIOR TO SERVICING ENSURE THAT
THE FOLLOWING GUIDELINES ARE STRICTLY OBSERVED:
• DISCONNECT THE AC SUPPLY BY TURNING OFF THE
SERVICE SWITCH AND AC SUPPLY CIRCUIT BREAKER.
• SHUT OFF THE GAS SUPPLY AT THE MANUAL SHUT-
OFF VALVE PROVIDED WITH THE UNIT
• ALLOW THE UNIT TO COOL TO A SAFE WATER
TEMPERATURE TO PREVENT BURNING OR SCALDING
Table 7-1: Maintenance Schedule
Paragraph Item 6 Mos. 12 Mos. 24 Mos.
Labor
Time
7.2
Igniter-Injector
(58023)
*Inspect Inspect Replace 15 mins.
7.3
Flame Detector
(66006)
*Inspect Inspect Replace 15 mins.
7.4
Combustion Calibration &
RSI Regulator Adjustment
*Check Check - 1 hr.
7.5 Testing of Safety Devices -
See CSD-1
Chart in
Appendix I
- 20 mins.
7.6 Burner - - Inspect 2 hrs.
7.7 Condensate Drain Trap *Inspect
Inspect &
Clean
- 30 mins.
*Only performed after initial 6 month period after initial startup.