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The adjustment field is from 0 to 8 and half
minutes.
Each step increased or decreased corre-
sponds to 2 seconds.
• To modify the programmed SET, act on but-
tons
or
programmed to flash (Fig. 7.42).
Fig. 7.42
• To exit programming, press button .
7.13 Checking the ignition device
With the burner on high flame close the gas
cock.
After four ignition attempts (about four min-
utes) the boiler does not function and a code
that alternates between the letter Er and the
writing RESET appear on the LCD display, it
indicates that the safety lock-out has stopped
the boiler. The display background flashes
(Fig. 7.43).
RESET
RESET
Fig. 7.43
Press the reset key on the boiler control panel
COMMISSIONING
and wait for the number
11 to reset its functioning.
7.14 Checking the flue system
The flue system should be visually checked
for soundness. Check all clamps, gaskets and
fixing are secure and tight.
Ensure that the flue terminal is sited correctly
in accordance with the flue fitting instructions
and Fig. 5.1 on page 33 of this manual.
To carry out a combustion check refer to the
instructions given in the section "Combustion
analysis check" to page 73 of this manual.
Reference figures are given in the "Technical
Data" section page. 22 of this manual (Flue
gas figures).
7.15 Checking the condensate drain
pipe
Check the soundness and integrity of the con-
densate drain pipe.
Verify the cleanness and correct filling of the
condensate traps.
7.16 Instructing the user
Hand over this combined User & Installation
manual and the Service manual to the end
user and explain how to use the unit .
Take the User step by step through the light-
ing instructions.
Show the User how to switch off the appliance
quickly and indicate the position of the electric
supply isolator.
Explain the proper use and adjustment of all
system controls; this will ensure the greatest
possible fuel economy.
Explain the function and use of the function
selector.
Explain and demonstrate the function of time
and temperature controls (if fitted).
Explain how to turn off the appliance for both
short and long periods and advise on the
precautions necessary to prevent damage
should the appliance be inoperative when
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