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83055116 • 1/2016-05
Installation and Operating Instructions
G
as burner WG20.../1-C ZM-LN (W-FM 25)
5 Operation
5
.2.3 Parameter mode
The Parameter mode can only be called up in Stand-by (OFF) mode.
u Press [+] and [Enter] simultaneously for approx. 2 sec.
a The Parameter mode is activated.
u Press [+].
u Press [Enter] to reach the next parameter.
a Only then the value will be stored.
P. No. Parameters Range of values Factory
setting
1 Fieldbus address 0 ... 254 / OFF OFF
Switch over to OFF and to address:
uPress shortly [-] and [+] simultaneously.
2 Actuator position 0.0°... 90.0° 0.0°
in Stand-by Adjust air damper setting:
uPress [L/A] and [+] or [-].
Adjust gas butterfly valve setting:
uPress [G] and [+] or [-].
4 Post-purge time 0 ... 4095 sec 2
5 Fault memory 0 = Fault memory is empty -
1 = Fault memory contains data
Delete fault memory:
uPress [L/A] and [+] simultaneously for approx. 2 sec.
6 Factor for gas consumption 1 ... 65535 200
Impulse rate for meter per m
3
200 impulses = 1 m
3
uAdjust factor depending on the gas meter impulse rate.
A Low gas pressure switch/ 0 = disabled 3
valve proving gas press. sw. 1 = Proof-of-closure (valve 1)
(X3:12) 2 = without low gas pressure switch
3 = with low gas pressure switch
b Air pressure switch (X3:11) 0 = disabled 1
(display only, no adjustment) 1 = enabled
c Operating mode output 0 = disabled 3
(X3:1) 1 = with pilot valve not interrupted
2 = with pilot valve interrupted
3 = Standard (external LPG valve)
d Flame sensor 0 = ionization electrode / flame sensor FLW 0
1 = switch input (X3:14)
2 = flame sensor QRB
E Display mode On = Parameter E0 ... E3 activated in setting mode OFF
OFF = Parameter E0 ... E3 not activated in setting mode
F Restart attempts following 0 ... 10
flame failure
After parameter F or a waiting time of approx. 20 sec, the combustion manager changes
back to the operating level.
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