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GF-127
OMM-0052_0E
7.8 SHUTTING THE BOILER DOWN FOR AN EXTENDED PERIOD OF
TIME
If the boiler is to be taken out of service for an extended period of time (one year or more), the
following instructions must be followed.
1. Set ON/OFF switch on the front panel to the OFF position to shut down the boiler's
operating controls.
2. Disconnect AC power from the unit.
3. Close the water supply and return valves to isolate boiler.
4. Close external gas supply valve.
5. Open relief valve to vent water pressure.
7.9 PLACING THE BOILER BACK IN SERVICE AFTER A PROLONGED
SHUTDOWN
After a prolonged shutdown (one year or more), the following procedures must be followed:
1. Review installation requirements included in Chapter 2.
2.
Inspect all piping and connections to the unit.
3.
Inspect exhaust vent, air duct (if applicable).
4.
Perform initial startup per Chapter 4.
Perform safety device testing and scheduled maintenance procedures per Chapters 6 and
5.
7 of this manual.
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 • Ph: 800-526-0288
PR2: 04/22/13
Benchmark 2.0LN Dual-Fuel Low NOx Boiler
Operation and Maintenance Manual
Figure 7-7: External Condensate Trap
CHAPTER 7: MAINTENANCE
Page 81 of 158
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