128
Gas
Edition 10-2008a
1) Switch unit on
2) Open control panel
3)
Set DIP switch 1 on PCB to „ON“ position
4) Press service key
5)
Select „Basic Settings“
6) At „Basic Settings“ select position „Gas type“
7) Press key and select with the central dial the new gas type
G20 = Natural Gas H, G25=Natural Gas L, G30=3BP, G31=3P,
13A=Natural Gas Japan
8) Con rm new gas setting by pressing the „Store“ key.
9) Select 3-Basic settings for average CO
2
length setting.
10) Note: Setting this screw to the given length shall ONLY bring the unit into
working condition with the newly supplied gas. This does NOT replace ue gas
analysis or make the ue gas analysis obsolete!
Set the CO
2
screw according the values of the display or according the table
„Values for burner adjustments“(! ! ! Set all CO
2
screws ! ! !)
If the mm setting of CO
2
screw is too high, turn CO
2
screw rst 1 turn
clockwise and then to the requested length (Screw adjustment tolerance)
11)
Switch unit OFF and ON again to store newly gas type setting!
12) To exit service program set DIP switch 1 to „OFF“ position
13) A comprehensive ue gas analysis must be done after this gas
conversion. This is done using Function test, where the CO
2
values
must be set according to the table for all burners in MAX speed fol-
lowed by cross checking in MIN speed.
1
2
3
4
on
Gas conversion / fitting new gas valve
After conversion of the connected type of gas a ue gas analysis
MUST be done using the correct measuring instruments.
This shall only be done by trained technicians.
Any gas conversion without ue gas analysis is illegal.
Not following the instructions below may cause danger to life and equipment!
1
2
3
4
on
xx mm
2 - Basic Setting
Gas type
Nat.H
3 - Basic Setting
Nat.H(G20)
Steam Hot Air1 Hot Air 2
4,3 mm 2,8 mm 2,9 mm
Set CO
2
screw
Check CO
2
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