Strebel S-WG 100, Installation, Operating And Maintenance Manual, Page: 96 / 125

E09.012.246 Manual S-WG
97
Table 2
pre adjustment settings gas valve for BIC water heaters
water
heater
type
number of turns open (counter clockwise)
nat. gas G20 / G25 propane G31 butane G30
S-WG
80
1.5 0.75 0.5
S-
WG100
3.5 1.5 1.25
S-
WG120
2.25 * 1 * 0.75 *
S-
WG150
2.25 * 1 * 0.75 *
S-
WG180
4.25 * 2.25 * 2 *
* Both gas valves must be opened this number of turns.
Table 3
Contact your supplier for the right settings when converting to a not mentioned type of gas.
Pressure adjustment settings LEFT valve
water
heater
type
“p-out” pressure at gas valve
nat. gas G20 / G25 propane G31 butane G30
S-
WG120
-2 to 0 Pa -4 to -2 Pa -5 to -3 Pa
S-
WG150
-2 to 0 Pa -7 to -5 Pa -8 to -6 Pa
S-
WG180
-2 to 0 Pa -7 to -5 Pa -8 to -6 Pa
The maximum fan speed has to be reduced to convert the water heater into a butane (B/P) appliance.
Set parameter P4BD.
14.1.2
S
ETTING SCREWS GAS VALVE
(
S
):
DRAWINGS
NOTICE: Do NOT mistake the screw marked ‘PILOT’ for screw 2.

Screw 2 is the SMALL screw immediately next to the pilot screw.