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Start-Up Procedures
Check Gas Piping
c
Check around the appliance for gas
odor following the procedure outlined
in this manual on Page 42.
WARNING
If any gas leaks are found or suspected,
shut the appliance down immediately.
Use a gas detection device or bubble test
to locate the source of the gas leak and
repair at once. Do not operate the appli-
ance until the leak is corrected. Failure
to comply with this procedure could
result in severe personal injury, death or
substantial property damage.
Verify Flame Pattern and Combustion
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Check the flame pattern through the
inspection port on the left side of the
heat exchanger. The flame should be
blue and stable and should be the length
of the burner.
WARNING
The combustion testing and adjustments
must be performed by a qualified
installer, service agency or the gas suppli-
er. All combustion measurements must be
performed with calibrated equipment to
ensure proper reading and accuracy.
Test for C0 2 or 0 2 and for CO during
high and low firing rate. To manually
place the appliance into high or low fire
mode, reference page 50. The combus-
tion reading should be within the range
listed in Table 5. The CO level should
not exceed 100 ppm when combustion
is correct.
WARNING
The combustion levels should be mea-
sured at high and low firing rate, refer to
page 50 of the CHALLENGER control
section on how to set the firing rate. If
the combustion levels are not within the
range given in Table 5 for the firing rate,
shut the appliance down and contact
ACV-Triangle Tube Technical Support.
Failure to comply with this requirement
could result in severe personal injury,
death or substantial property damage.
Table 5: Recommended Combustion Levels
Natural Gas
9% to 10.1% C0 2 10.5% to 11.1% C0 2
High Fire
(h or H)
(
and +)
5% to 3.2% 0 2
DOOR OFF*
0 to 0.4 lower
C0 2 than high fire
9.0 % min. C0 2
Low Fire
(L)
0 to 0.6 higher
(
and -)
0 2 than high fire
5.0% max. 0 2
CO Max.
100 ppm
* Door on can raise the maximum allowable C0 2 by
0.4 or lower the minimum allowable 0 2 by 0.6.
Measure Input - Natural Gas Only
c
1. Ensure the appliance is firing at maximum
firing rate. To manually place the appliance
into high fire mode, reference page 50.
2. Operate the appliance for approximately
10 minutes.
3. Turn off all gas appliances on the gas ser-
vice, except the CHALLENGER.
4. At the gas meter, record the time required
to use one cubic foot of gas.
5. Calculate Natural gas input using the fol-
lowing equation:
3600 x 1000 / number of second recorded
for one cubic foot of gas = BTU/H.
6. The BTU/H calculated should approximate
the input rating listed on the appliance.
44
Propane Gas
5% to 4.1% 0 2
0 to 0.4 lower C0 2
than high fire
10.5 % min. C0 2
0 to 0.6 higher
0 2 than high fire
5.0% max. 0 2
100 ppm
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