AERCO BMK 2.0 LN Dual Fuel Serial G-11-2402 and UP - Manual (Page 73)

PR2: 04/22/13 Page 73 of 160
Benchmark 2.0LN Dual-Fuel Low NOx Boiler
Operation and Maintenance Manual
OMM-0052_0E
GF-127
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 • Ph: 800-526-0288
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 *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.