100
Check the setting of parameter P4BD (gas type)
0 = Standard gas; e.g.: Natural gas G20 or G25.3
1 = Propane G31
2 = Mixture of Butane/Propane, B/P (G30/G31)
Table 2
pre-adjustment settings gas valves for S-CB+ 400 & 550 BIC boilers
boiler type
burner
number of turns open (counter clockwise)
nat. gas G20
1
and G25
1
propane G31
1
and B/P
S-CB
+
400
top
2,5
0,75
bottom
3,0
0,75
S-CB
+
550
top
3,5
1,0
bottom
3,5
1,0
1
In accordance with EN437
14.1.3 G
AS VALVE SETTING SCREWS
:
DRAWING
Nr.
Description
1
Remove cap
2
Adjustment at maximum load.
Use Allen key no. 3
higher: turn left (CCW)
lower: turn right (CW)
3
Adjustment at minimum load.
Use Torx T40 key
higher: turn right (CW)
lower: turn left (CCW)
4
Gas supply
pressure nipple