gassero wallcon - Adjustment of the Gas Rate; Description of the Adjustment Points; Combustion Values Adjustment Table; Maximum Output Adjustment

4.3 ADJUSTMENT OF THE GAS RATE
All the instructions written below are for the exclusive
use of qualified service technicians or installers. All the
boilers are supplied already calibrated and tested.
Ad
ustments are only be made with special tools.
4.3.1 Description of the adjustment points
A - Maximum output ad ustment screw
B - Outlet pressure tap
C - Inlet pressure tap
D - Minimum output ad
ustment screw
4.3.2 Combustion values adjustment table
4.3.3 Maximum output adjustment
1 - Connect the gas analyser probe to the sampling test point
on the flue adapter.
2
WARNING:
Dam
To ensure correct operation the values have to be
indicated in the table.
- For operating in the max. output, press at least 3 seconds to
heating mode when the boiler in mode.Controller function stop
will appear on the screen.Than press information button, it will
indicate the modulation rate (%) on the screen.
100% for max. output setting with using of navigation button. Then
press OK . Thus, boiler will operate in maximum power.
Instructions for the installer
16
100 %
B
D
A
C
Model
Q min. max. min. max. min. max.
CO
2
%
8,9 9,2 8,9 9,2 8,9 9,2
Gas Flow
Rate
(m
3
/h)
0,9 4,2 0,9 5,1 1,57 6,7
Fan Speed
(rpm)
1250 5100 1250 6000 1700 6500
Flue Gas
Mass
(g/sec.)
3,7 17,7 3,7 21,6 6,9 28,4
Nozzle
Diameter
(mm)
Model
Q min. max. min. max. min. max.
CO
2
%
8,9 9,4 8,9 9,4 8,9 9,2
Gas Flow
Rate
(m
3
/h)
1,0 4,80 1,0 5,9 1,82 7,8
Fan Speed
(rpm)
1300 5100 1300 6250 1700 6500
Flue Gas
Mass
(g/sec.)
3,7 17,4 3,7 21,3 7 28,4
Nozzle
Diameter
(mm)
Wal lcon 42 Wal lcon 50 Wal lcon 67
G20
7,7
G25
Wal lcon 42 Wal lcon 50 Wal lcon 67
9,5