Strebel S-CB+ Series, Installation Operating & Maintenance Manual

Page: 94 / 125

S-CB
+
Boiler Range Manual
94
Table 2
pre adjustment settings gas valves (G27 for Poland)
boiler
type
number of turns open (counter clockwise)
nat. gas G20 / G25 / G27 propane G31 butane G30 (B/P)
S-CB
+
60
1 0,5 0,25
S-CB
+
80
1,5 0,75 0,5
S-CB
+
100
3,5 1,5 1,25
S-CB
+
120
2,25 * 1 * 0,75 *
S-CB
+
150
2,25 * 1 * 0,75 *
S-CB
+
180
4,25 * 2,25 * 2 *
* Both gas valves must be opened this number of turns.
Table 3
Gas valve settings for Ls gas G2.350 (for Poland)
boiler type
number of turns open (counter clockwise)
natural gas Ls G2.350 gas valve class gas valve part n
o
:
S-CB
+
60 1,25 A + C No replacement
S-CB
+
80 1,75 B + J S04.000.393
S-CB
+
100 4 B + J S04.000.393
S-CB
+
120
*2,5 A + C No replacement
S-CB
+
150
*2,5 B + J S04.000.393
S-CB
+
180
*4,5 B + J S04.000.393
* Both gas valves must be opened this number of turns.
Table 4
Contact you boiler supplier for the right settings when converting to a not mentioned type of gas
Pressure adjustment settings LEFT valve
boiler
type
" p-out " pressure at gas valve
nat. gas G20 / G25 propane G31 butane G30 (B/P)
S-CB
+
120
-2 to 0 Pa -4 to -2 Pa -5 to -3 Pa
S-CB
+
150
-2 to 0 Pa -7 to -5 Pa -8 to -6 Pa
S-CB
+
180
-2 to 0 Pa -7 to -5 Pa -8 to -6 Pa
Maximum fan speed has to be reduced to convert the boiler into a propane or B/P appliance.
Setting of parameter P4BD.
A sticker has to be pasted after converting the boiler into a propane or B/P appliance.
Mark the used gas and the parameter setting on this sticker.
PROPANE
PROPAN
PROPANO
PROPAAN
BUTANE/PROPANE
BUTAN/PROPAN
BUTANO/PROPANO
BUTAAN/PROPAAN
P4BD = 1
P4BD = 2
G31 P
G30/G31 B/P