7710400 (01-06/18)
20
INST
ALLER Section
(en)
19.4 REPLACEMENT OF PARTS
If one or more of the following components are replaced:
•
Water-fumes exchanger
•
Fan
•
Gas valve
•
Gas nozzle
• Burner
•
Flame sensing electrode
perform the Automatic Calibration procedure described below, then check and adjust the CO
2
% value as indicated in the section
“
COMBUSTION ADJUSTMENT FUNCTION (CO
2
% )
”.
When working on the appliance, check the condition and position of the flame sensing electrode and replace it if necessary.
AUTOMATIC CALIBRATION FUNCTION
Press
and
together and hold down for at least 6 seconds. When the display indicates "
On
" press
(within 3 seconds
after pressing the previous buttons).
If the display indicates "
303
" the Automatic Calibration function has not been activated. Disconnect the boiler from the mains
power supply for a few seconds and repeat the procedure.
When the function is enabled, and
flash on the display
After the ignition sequence, which can also take place after a few attempts, the boiler performs three operations (each lasting
approximately 1 minute) going first to maximum power, then to ignition power and lastly to minimum power. Before moving on to
the following phase (from maximum power to ignition power and then to minimum power), and appear on the display.During
this phase, the power level reached by the boiler and the delivery temperature alternate on the display.
When
,
and
flash together on the display, the calibration function has terminated.
Press
to leave the function. The display shows
ESC
.
Summary of Contents for DUO-TEC COMPACT
Page 23: ...23 7710400 01 06 18 r u...
Page 25: ...25 r u 7710400 01 06 18 1 7 1 2 SI US 1 1 C 20 C 11 2 1 1 2 3...
Page 28: ...7710400 01 06 18 28 r u 0 C 17 60 C 9 SECTION C G3 4 30 9 1 SECTION C A D B E C G1 2 G3 4 F...
Page 38: ...7710400 01 06 18 38 r u 16 0 5 5 30 24 10 24 3 17 SECTION E Q H 18 SECTION F...
Page 40: ...7710400 01 06 18 40 r u 19 4 CO2 CO2 6 On 3 303 1 ESC...
Page 68: ...7710400 01 06 18 68 S E C T I O N C...
Page 69: ...69 S E C T I O N C 7710400 01 06 18 A B C D E F 65 65 65 65 31 5 70 38 5 105 162 5 153 5 22...
Page 70: ...7710400 01 06 18 70 S E C T I O N D 25 mm...
Page 72: ...7710400 01 06 18 72 S E C T I O N E...
Page 73: ...73 S E C T I O N F 7710400 01 06 18...
Page 74: ...7710400 01 06 18 74 S E C T I O N G 2 1 D A C G H E F B...
