INITIAL START-UP
16. Press the
MENU
Key on the front panel of
the C-MORE and access the
Setup
menu.
Enter password 6817 and then press the
ENTER
key.
17. Press the
MENU
Key on the front panel of
the C-MORE until
Combustion Cal Menu
appears on the C-More display.
18. Press the
▲
arrow key until
SET Valve
Position
appears on the C-MORE display.
19. Press the
CHANGE
key.
SET Valve Position
will begin to flash.
20. Press the
▲
arrow key until the
SET Valve
Position
reads
80%
. Press the
ENTER
key.
21. Next, press the
down (
▼
) arrow key until
CAL Voltage 80%
is displayed.
22. Press the
CHANGE
key and observe that
CAL Voltage 80%
is flashing.
23. The oxygen level at the 80% valve position
should be as shown below. Also, ensure that
the carbon monoxide (CO) and nitrogen
oxide (NOx) readings do not exceed the
values shown.
Combustion Oxygen Level at
80% Valve Position
Oxygen %
± 0.2
Carbon
Monoxide
NOx
5.0 %
<100 ppm
<30 ppm
24. If the oxygen level is not within the specified
range, adjust the level using the
▲
and
▼
arrow keys. This will adjust the output
voltage to the blower motor as indicated on
the display. Pressing the
▲
arrow key
increases the oxygen level and pressing the
down
▼
arrow key decreases the oxygen
level.
25. Once the oxygen level is within the specified
range at 80%, press the
ENTER
key to store
the selected blower output voltage for 80%
valve position.
NOTE
The remaining steps basically repeat the
procedures in steps 18 through 25 for
valve positions of 60%, 45%, 30% and
16%. However, since oxygen levels vary,
these steps are repeated in their entirety.
When performing these steps, also
ensure that the carbon monoxide (CO)
and nitrogen oxide (NOx) readings do not
exceed the values shown for each valve
position.
26. Press the
▲
arrow key until
SET Valve
Position
appears on the C-MORE display.
27. Press the
CHANGE
key.
SET Valve Position
will begin to flash.
28. Press the
▼
arrow key until the
SET Valve
Position
reads
60%
and press the
ENTER
key.
29. Press the
down
▼
arrow key until
CAL
Voltage 60%
is displayed.
30. Press the
CHANGE
key.
CAL Voltage 60%
will begin to flash.
31. The oxygen level at the 60% valve position
should be as shown below. Also, ensure that
the carbon monoxide (CO) and nitrogen
oxide (NOx) readings do not exceed the
values shown.
Combustion Oxygen Level at
60% Valve Position
Oxygen %
± 0.2
Carbon
Monoxide
NOx
4.7 %
<50 ppm
<30 ppm
32. If the oxygen level is not within the specified
range, adjust the level using the
▲
and
▼
arrow keys. This will adjust the output
voltage to the blower motor as indicated on
the display. Pressing the
▲
arrow key
increases the oxygen level and pressing the
▼
arrow key decreases the oxygen level.
33. Once the oxygen level is within the specified
range at 60%, press the
ENTER
key to store
the selected blower output voltage for 60%
valve position.
34. Press the
▲
arrow key until
SET Valve
Position
appears on the C-MORE display.
35. Press the
CHANGE
key.
SET Valve Position
will begin to flash.
36. Press the
▼
arrow key until the
SET Valve
Position
reads
45%
, then press the
ENTER
key.
37. Press the
▼
arrow key until
CAL Voltage
45%
is displayed.
38. Press the
CHANGE
key.
CAL Voltage 45%
will begin to flash.
39. The oxygen level at the 45% valve position
should be as shown below. Also, ensure that
the carbon monoxide (CO) and nitrogen
oxide (NOx) readings do not exceed the
values shown.
4-7
Summary of Contents for Benchmark 2.0
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