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1.
Check for obstructions and/or deterioration of flue pipe and terminal. Replace immediately where
needed.
2.
Check the terminal for any foreign material and remove as necessary
3.
Check all flue system connections for leakage and reseal as required.
4.
Check that ventilation grilles comply with current regulations.
15.10.3 CONDENSATE NEUTRALISATION KIT
If fitted, the condensate neutralisation kit will require replacing after 12 months of operation. Please refer to the
item specific instructions for further details.
16.0
USER CONTROL INTERFACE SETTINGS
16.1
ENTERING THE INSTALLER CODE
To access the user control the following procedure should be followed:
1.
If the heater is operating, press the Enter/Reset button to turn the unit off.
2.
Press and hold the Menu/Exit button for 5 seconds. At this point the display will change to show:
Enter Menu Code:
0000
3.
Press the UP button 9 times. The display should now show:
Enter Menu Code:
0009
4.
Press the Previous button 2 times. The display should now show:
Enter Menu Code:
0009
5.
Press the Up button 3 times. The display should now show:
Enter Menu Code:
0309
6.
Press the Previous button. The display should now show:
Enter Menu Code:
0309
7.
Press the Up button 5 times. The display should now show:
Enter Menu Code:
5309
8.
Press the Enter/Reset button. The display should now show:
Enter Menu Code:
INSTALLER CODE
In addition to menu sets A and C (as detailed in the User Guide) the installer has access to various other menus.
By pressing the Up and Down buttons the various menu sets can be selected and then accessed using the
Enter/Reset button.
16.2
MENU SET D FUNCTIONS
16.2.1
RESET LAST 10 ERRORS
The last 10 errors logged can be cleared using this parameter. To carry out this function, the Enter/Reset button.
16.2.2
SERVICE MODE DELAY
By pressing the pin button on the front of the display for five (5) seconds, the control will be placed in Service
Mode. This will override all other heat demands. The Service Mode allows the installer to set the unit to either
maximum firing rate or minimum firing rate for the purpose of combustion analysis. The delay sets the length of
time the water heater will stay in the Service Mode if no keys have been pressed before going back to its original
state. The time range of this parameter can be adjusted between 0 and 40 minutes using the Up and Down
buttons. Once the desired time period has been set, the Enter/Reset button should be pressed to store the value.
The default time delay is 20 minutes.
40
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