Section 8: Maintenance; Maintenance Schedule - Watts AERCO Benchmark BMK5000 Operation And Service Manual

Benchmark Platinum-Edge [ii]: Operation-Service Manual
SECTION 8 – MAINTENANCE

SECTION 8: MAINTENANCE

8.1 MAINTENANCE SCHEDULE

All Benchmark boilers require 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 8-1. For a complete inspection check list see
ASME CSD-1 chart.
WARNING!
Prior to servicing, ensure that the following guidelines are strictly observed:
•
Follow all Lockout/Tagout protocols in effect at the site.
•
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 8-1: Maintenance Schedule
ITEM
SEC
Igniter-Injector
8.2
(BMK750 – 5000N only)
Pilot Burner
8.2.1
(BMK5000 & 6000 only)
8.3 Flame Detector
8.4 O Sensor
2
4.4 Combustion Calibration
8.5 Testing of Safety Devices
8.6 Burner
8.8 Condensate Drain Trap
8.8 Air Filter
Refractory Replacement
8.9
(BMK5000 & 6000 only)
8.12 Periodic Testing
* Only performed after initial 6-month period after initial startup.
In order to perform the maintenance tasks specified in Table 8-1, the following maintenance kits
are available from AERCO. All kits included a Technical Instruction Document (TID) with
instructions for performing the maintenance.
TABLE 8-2a: 12 Month Maintenance Kits
Model Kit#
750 – 5000N 58025-01
5000/6000 58025-11
OMM-0137_J •
12/20/2022
6 MOS. *
Inspect, replace
Inspect
Inspect, replace
Inspect
Inspect, replace
Inspect
Inspect Inspect/Clean
Check
CSD-1 Chart
Inspect, Clean &
Inspect
Routine verification of functionality, various schedule
Parts Serviced/Replaced
Ignitor, Flame Rod, Condensate trap O rings
Pilot Burner, Flame Rod & Condensate trap
Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST
12 MOS. 24 MOS.
Replace
if necessary
Replace
if necessary
Replace
if necessary
Check
See ASME
Inspect
Inspect, Clean
Replace & Replace
Gaskets Gaskets
Clean Replace
Replace if needed
LABOR
TIME
15 mins.
15 mins.
15 mins.
15 mins.
1 hr.
45 mins.
2 hrs.
30 mins.
15 mins.
Doc Name
TID-0131
TID-0095
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