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A - Installer Level Parameters
Parameters P17 to dF (error code history) must only be modified
by a qualified installer.
To prevent unwanted settings, some parameter settings can only
be changed after special access code 0012 is entered.
• Press the two Menu buttons
(+) button until the symbol
• Select the INSTALLER menu using the
"CODE" appears on the display.
• Use (-) or (+) button to input the installer code "0012".
• Confirm using
flashing.
• Press
button a second time, the value will appear
and flashes, for example [80°C (176°F)].
• Change the value by pressing the [-] or [+] button. [In
this example using [-] button to change the value to 60
ºC (140 °F).]
• Confirm the value with the
displayed with 1 flashing. Button, "P1" is displayed with 1
flashing. If necessary, set other parameters by selecting
them using the (-) or (+) button.
• Press
button 2 times to return to current operating
mode.
Natural Gas
Venturi
Nozzle
in
mm
in
mm
1 ³/₁₆
30
5.3
⁷/₃₂
B - Boiler has two dedicated built in test ports. See Figure 6.
One connection port is connected to exhaust flue (A), and allows
monitoring of the quality of combustion products and combustion
efficiency.
Other is connected to combustion air intake (B), used to check for
recycling products for combustion.
The following can be measured at exhaust flue test port:
•
temperature of combustion products
•
oxygen (O
) or carbon dioxide (CO
2
•
carbon monoxide (CO) concentration.
Temperature of combustion air must be measured on air intake
test port (B) by inserting measurement sensor approximately
3-3/16" (80.00 mm) (C).
HEAT EXCHANGER CLEANING INSTRUCTIONS
simultaneously and then
flashes on the menu bar.
button.
button, "P1" is displayed with "1"
button, "P1" is
Propane
Venturi
Nozzle
in
mm
in
1.18
30
⁵/₃₂
) concentration;
2
FIGURE 5 - Installer Level Parameters
mm
4
FIGURE 6 - Combustion Air Sample Ports
4
P/N 240011775 Rev. A [02/02/17]
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Troubleshooting
