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9.13 User Level Parameters
Parameters P1 to P8 can be adjusted by end user to meet
heating system and DHW comfort needs.
Modification of factory settings may be detrimental to
operation of the boiler.
• Press the two Menu buttons
then (+) button until
bar.
• Select the user menu using
is displayed with "1" flashing.
• Press
button a second time, the central heating
supply temperature value appears and flashes, e.g.
170°F.
• Change the value by pressing (-) button or (+) button.
In this example using (-) to (140°F).
• Confirm the value with
with "1" flashing.
• Press
button 2 times to return to current
operating mode.
9.14 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.
Modification of factory settings may be detrimental to
operation of the boiler.
• Press the two Menu buttons
then (+) button until the symbol
menu bar.
• 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.
9 - START UP PROCEDURE
simultaneously and
symbol flashes on the menu
button, (P1) button
button, (P1) is displayed
simultaneously and
flashes on the
button.
button, "P1" is displayed with "1"
button, "P1" is
FIGURE 9-9 - User Level Parameters
FIGURE 9-10 - Installer Level Parameters
55
P/N 240011656, Rev. E [07/30/2018]
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Troubleshooting
