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52
WATER HEATER PROGRAMMING SECTION
Diagnostic Code and Error Log Selection
The Performance History mode allows the
technician to view ignition cycles, number of ON
times, and accumulated water flow.
Set
Press and hold the
Set
button.
Then use the arrow keys to select the
programming mode
PH
on the display.
Enter
Press the
Enter
button to begin programming.
Press the
Up/Down
arrows to select one of
the six diagnostic codes. Each code line
has a corresponding number for each code.
Diagnostic Code CF (Cumulative Flow) shows 38,000 gallons of water.
(To obtain the usage in gallons, multiply the number by 1,000).
Diagnostic Code
dS
(Diagnostic Service Hours). The display can be
between 0 and 9999 hours. This code is used to determine the useful
service life of the water heater.
Diagnostic Code
US
(Usage) is a percentage figure between 0 and
100%.
Diagnostic Code FC (Flame Cycles) shows a flame count of 40,000.
Diagnostic Code FH (Flow-on hours) shows one hour of flame. (To
obtain the usage in gallons, multiply the number by 1,000).
Adjusting CO
2
Levels Selection
For adjusting CO
2
levels, refer to the Adjusting
the CO
2
Level section in this manual.
Commercial Heating Selection
The Commercial Heating option allows water
to be heated to a maximum of 185°F (38°C) for
commercial applications.
Hot water temperature over 125°F (52°C) can
cause severe burns instantly or death from
scalding. Children, the disabled, and the
elderly are at the highest risk of being
scalded. Do not leave children or the inf rm
unsupervised. Check temperature of hot
water before taking a shower or bath. To
control water temperature to a particular faucet, temperature
limiting valves can be installed by your service professional.
Set
Press and hold the
Set
button.
Then use the
Up/Down
arrows to select the
programming mode
CH
on the display.
Enter
Press the
Enter
button to begin programming.
Summary of Contents for G250P
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Page 60: ...61 IH 56 OPERATIONAL DIAGRAM...
Page 64: ...65 NOTES...
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