BMK 5000-6000 Boiler OPERATION-SERVICE-MAINTENANCE GUIDE
SECTION 1: SAFETY PRECAUTIONS
Page
10
of
136
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
OMM-0124_0A
05/03/2017
Ph.: 800-526-0288
GF-208
1.2 EMERGENCY SHUTDOWN
If overheating occurs or the gas supply fails to shut off, close the manual gas shutoff valve
(Figure 1-1) located external to the unit.
NOTE:
The Installer must identify and indicate the location of the emergency shutdown manual gas
valve to operating personnel.
Figure
1-1: Manual Gas Shutoff Valve
1.3 PROLONGED SHUTDOWN
If there is an emergency, turn off the electrical power supply to the boiler and close the manual
gas valve located upstream the unit. The installer must identify the emergency shut-off device.
If the boiler needs to be shut down for a prolonged period, follow the instructions in Section
4.12:
Shutting Boiler Down For Extended Period
of this manual, and review the procedures in
Appendix J at the end of this manual.
After prolonged shutdown, it is recommended that the procedures in Section 4:
Initial Startup
and Section 5:
Safety Device Testing
of the
Benchmark 5000 – 6000 Installation and Startup
Guide
OMM-0123 (GF-207) be performed to verify that all system-operating parameters are
correct.
VALVE
OPEN
VALVE
CLOSED
MANUAL GAS SHUT-OFF VALVE