Benchmark with Edge [I]: Operation-Maintenance Manual
SECTION 4
– INITIAL START-UP
OMM-0145_A99
• GF-218 • 9/18/2019 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page
56
of
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4.4.1
NATURAL GAS Manual Combustion Calibration
These instructions apply only to units running
NATURAL GAS
.
NATURAL GAS Manual Combustion Calibration Instructions
1. Ensure the Edge [i] Controller
’s Enable/Disable switch is set to
Disable
.
2. Open the water supply and return valves to the unit and ensure that the system pumps are
running.
3. Open the
NATURAL GAS
supply valve to the unit.
4. Turn external AC power to the unit
ON
.
5. On the Controller, go to:
Main Menu
→
Calibration
→
Manual Combustion
. If necessary,
enter a technician level password.
6. The first
Manual Combustion Calibration
screen appears lists the three steps that must
be completed before continuing.
Figure 4-4: First Manual Combustion Calibration Screen
7. Connect the gas pressure manometer to the
upstream
side of the gas train’s SSOV (see
Section 4.2.2) and connect the Combustion Analyzer and Multimeter (per Section 4.2.3),
and ensure that the heating loop is capable of dissipating sufficient heat at full fire.
8. Verify that the incoming (upstream) gas pressure to the unit is within the allowable range
(see the
Benchmark Gas Supply Design Guide
(TAG-0047, GF-2030).
9. Once you have completed the previous step, move the manometer (or use a secondary
one) to the
downstream
side of the SSOV and press
Next
to continue.
10. Choose the NOx requirement for this installation:
None
,
<= 20 PPM
or
<=9 PPM
.
Figure 4-5: Choose NOx Requirement
