Commission The Boiler; System Design And Boiler Operation; Commission The Boiler: Dungs Zero Governing Gas Valve - FULTON Endura EDR 750 Nstallation, Operation And Maintenance Manual

SECTION 3
EDR-IOM-2014-0318
the circulator. Circulate the system water for approximately 30 minutes to
move all air to the automatic air separation point.
6. Check temperature/pressure indicator reading, which should equal the
pressure-reducing (fi ll) valve set pressure. No more water should be
entering the system. Close the shutoff valve on the cold-water fi ll line.
7. Visually inspect all pipe joints and equipment connections for leaks. If
necessary, drain system, repair leaks and refi ll/purge the system. If no
pressure drop is detected for a period of two hours under pressure, the
system may be considered watertight.
8. When purging is completed, make sure the following are open—
combination shut-off /purge valve, shutoff valve to pressure reducing (fi ll
valve), shutoff valve in cold water fi ll line, and shutoff valve in return line.
9. Make sure the following are closed - all drain cocks, the vent on the
combination shutoff -purge valve, & all manual vents. Reset zone valves to
normal mode of operation and turn off power to boiler.
10. Open fuel shutoff valve, allowing fuel to fl ow to boiler.

Commission The Boiler

Adhere to the following when commissioning the boiler:
1. Verify with authorized personnel that the gas lines have been purged. Do
not proceed without verifi cation.
2. Familiarize all personnel on all aspects of boiler use, safety, and contents
of this manual. This includes, but is not limited to, the use of the controls,
lighting, and shutdown procedures.
3. Review the unit-specifi c burner and control schematics, and follow
appropriate instructions.
 System Design and Boiler Operation
The Endura boiler must be installed in an appropriately designed system per
Installation section of this manual. The boiler shall be operated/controlled
to ensure the boiler does not cycle more than 12,000 times per year and the
temperature diff erential across the boiler does not exceed 100°F (38°C).
Commission The Boiler: Dungs Zero Governing Gas
Valve

NOTE: In areas where NOx emission regulations apply, the O2 level should
be set so that the NOx level does not exceed local code at any point during
operation. As a general guide, the combustion will be approximately 5.1 %
O2 across the fi ring range. In areas where NOx emission regulations do not
apply, the 02 level can be set as low as 3% 02 at high fi re and 5% 02 at low
fi re. Low fi re combustion should always be set after high fi re.
Tender No. MET21-117 ADDENDUM #3
Questions? Please Contact Your Local Manufacturer's Representative
Design & Build RFP: Gas Heating Upgrade
Replacement in Dartmouth
OPERATION
!
WARNING
Do not attempt to start the boiler for
any testing before fi lling and purging
the boiler. A dry fi re will seriously
damage the boiler and may result in
property damage or personnel injury
and is not covered by warranty.
Before commissioning the boiler,
verify with authorized personnel that
the gas lines have been purged.
Never attempt to operate a boiler
that has failed to pass all the safety
checks.
Never leave an opened manual air
vent unattended. In the event an
opened vent is left unattended, water
damage could occur.
4
CAUTION
Do not use this equipment if any part
has been under water (or subjected to
heavy rains/water if the equipment
does not have NEMA 4 wiring, controls
and instrumentation). Immediately
call a qualifi ed service technician to
inspect the equipment and to replace
any part of the control system and/or
gas control(s) which have been under
water.
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