Viadrus K4 - Boiler Setting and Adjustment

Servicing
46
12.2 Boiler Setting
Boiler emissions:
Natural gas:
CO
2
– minimum boiler output CO
2
value – 8,5 %
– nominal boiler output CO
2
value – 8,5 %
Propane:
CO
2
– minimum boiler output CO
2
value – 9,5 %
– nominal boiler output CO
2
value – 9,5 %
When the set parameters do not correspond with the values shown above follow the instructions in the Servicing Manual.
Activation of the “chimney-sweeper” function:
Control panel
Description
By pressing
K1
and
K2
push button for 10 seconds, is possible to enter the
chimney-sweeper function.
After 10 s to be displayed fan speed (x10).
Can adjust burning at maximum performance.
Operate
K2
(decrease) and
K1
(increase) pushbuttons to adjust fan speed.
By long pressing
K2
push button the fan speed slows down to a minimum (x10).
Can adjust burning at minimum performance.
Operate
K2
(decrease) and
K1
(increase) pushbuttons to adjust fan speed.
By pressing
reset
K4
push button to exit the chimney-sweeper function.
Fig. . 31 Gas valve adjusting screw
CO
2
setting at
min. power
output
CO
2
setting at
max. power
output