Section 4: Maintenance; Maintenance Schedule - Watts Aerco Benchmark OMM-0117 Operation And Maintenance Manual

Benchmark 5000-6000 Operation & Maintenance Manual
SECTION 4 – MAINTENANCE

SECTION 4: MAINTENANCE

4.1 MAINTENANCE SCHEDULE

The unit requires regular routine maintenance to keep up efficiency and reliability. For best
operation and life of the unit, routine maintenance procedures should be performed in the time
periods specified in Table 4-1. For a complete inspection check list see ASME CSD-1 chart.
WARNING!
Prior to servicing ensure that the following guidelines are strictly observed:
•
Disconnect the AC power 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 4-1: Maintenance Schedule
ITEM
SEC
Pilot Burner Ignitor Rod FRU
4.2
Kit (P/N 58084)
Main Flame Detector FRU
4.3
(P/N )
65182
Lean O Sensor
2
4.4
(P/N 61026)
Combustion Calibration &
4.5
pilot regulator adjustment
4.6
Testing of Safety Devices
4.7
Burner
4.9
Condensate Drain Trap
4.10 Air Filter
(replace P/N
88014), Cleaning Kit (58041)
* Only performed after initial 6 month period after initial startup.
The following maintenance kits are available through your local AERCO Sales Representative:
NOTE:
The 24-Month Waterside/Fireside Inspection Kits includes the items contained in the Annual
Maintenance Kit (P/N 58025-11). Therefore, when performing the waterside/fireside
inspections, only the 24-Month kit is required. Refer to Appendix I for recommended spare
parts.
OMM-0118_B • GF-203 • 5/9/2019
6 MOS. 12 MOS.
Inspect, replace
*Inspect
if necessary
Inspect, replace
*Inspect
if necessary
*Inspect Inspect
*Check Check
See ASME
-
CSD-1 Chart
- -
Inspect, Clean
*Inspect & Replace
Gaskets
- Clean
Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST
LABOR
24 MOS.
TIME
Replace 15 mins.
Replace 15 mins.
- 15 mins.
- 1 hr.
- 45 mins.
Inspect 2 hrs.
Inspect, Clean
& Replace 30 mins.
Gaskets
Replace 15 mins.
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