Watts AERCO Benchmark BMK5000 User Manual

Benchmark with Edge [I]: Operation-Maintenance Manual
SECTION 8 – MAINTENANCE
OMM-0145_D • GF-218 • 11/2/2020 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page 144 of 213
8.11 RETURNING THE BOILER TO SERVICE AFTER SHUTDOWN
After a prolonged shutdown (one year or more), the following procedures must be followed:
Placing the Boiler Back in Service After A Prolonged Shutdown Instructions
1. Review installation requirements included in Section 2 of the Benchmark 750-6000 with
Edge [i]: Install-Startup Manual (OMM-0144, GF-217).
2. Inspect all piping and connections to the unit.
3. Inspect exhaust vent and air inlet duct work (if applicable).
4. Perform initial startup per Section 4 of this guide.
5. Perform the instructions in Section 5: Safety Device Testing, above, and all scheduled
procedures described Section 8: Maintenance.
8.12 RECOMMENDED PERIODIC TESTING
WARNING!
Periodic testing of all boiler controls and safety devices is required to ensure they continue to
operate as designed. Precautions must be taken while tests are being performed to protect
against bodily injury and property damage. The owner or user of an automatic boiler system
should set up a formal system of periodic preventive maintenance and testing. Tests should
be conducted on a regular basis and the results recorded in a log-book.
TABLE 8-3: Recommended Periodic Testing
ITEM
FREQUENCY
ACTION BY
REMARKS
NOTE: Refer to indicated sections of this manual and the Benchmark 750-6000 with Edge [i]:
Install-Startup Manual (OMM-0144, GF-217) for detailed procedures.
Gauges, monitors
and indicators
Daily
Operator
Visual inspection and record readings in
operator log
Instrument and
equipment settings
Daily
Operator
Visual check against factory recommended
specifications
Weekly
Operator
Verify factory settings
Firing Rate Control
Semi-Annually
Service Tech
Verify factory settings
Annually
Service Tech
Check with combustion calibration test
equipment (see Section 4.2: Tools &
Instruments for Combustion Calibration in this
guide), and the O
2
sensor (see Section 8.4: O
2
Sensor in this guide).
Flue, vent, stack and
intake air duct
Monthly
Operator
Visually inspection condition and check for
obstructions
Spark Igniter-Injector
Weekly
Operator
See Section 8.2: Ignitor-Injector of this guide.
Air/Fuel Valve
position
Weekly
Operator
Check position indicator dial. See Section 3.2:
Start Sequence in this guide.

Watts AERCO Benchmark BMK5000 Specifications

General

Brand	Watts
Model	AERCO Benchmark BMK5000
Category	Boiler
Language	English