Instruction Manual

Benchmark 750/1000 Boiler Installation, Operation & Maintenance Manual
CHAPTER 7 – MAINTENANCE
OMM-0082_0J AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 Page 89 of 192
GF-130 Ph.: 800-526-0288 05/21/2014
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. For a complete inspection check list see ASME CSD-
1 chart.
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. 58025-08 (See NOTE below)
NOTE
The 24-Month Waterside/Fireside Inspection Kit also includes the items
contained in the Annual Maintenance Kit (58025-01). Therefore, only Kit
Part No. 58025-08 is required when performing the waterside/fireside
inspections. Refer to Appendix L for recommended spare.
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
Section Item 6 Mos. 12 Mos. 24 Mos.
Labor
Time
7.2
Igniter-Injector Kit
(58023)
*Inspect Inspect Replace 15 mins.
7.3
Flame Detector Kit
(24356-1)
*Inspect Inspect Replace 15 mins.
7.4
Lean O
2
Sensor
(61026)
*Inspect Inspect 15 mins.
7.5
Combustion
Calibration
*Check Check 1 hr.
7.6
Testing of Safety
Devices
See ASME
CSD-1 Chart
45 mins.
7.7
Burner
Inspect
2 hrs.
7.8
Condensate Drain
Trap
*Inspect
Inspect, Clean
& Replace
Gaskets
Inspect, Clean
& Replace
Gaskets
30 mins.
7.9
Air Filter (59139)
Clean
Replace
15 mins.
* Only performed after initial 6 month period after initial startup.
WARNING