Converting Gas Type On Burner Control Unit; Altitude Adjustment - Viessmann Vitocrossal 200 CM2 186 Service Instruction

Vitocrossal 200 CM2 186 to 311 Service
Steps – Commissioning, Inspection and Maintenance
Note: Burner commissioning can be done either at the
burner control interface or at the GW6B boiler
control under coding level 2 'combustion controller'
group. Refer to the Vitotronic 300 GW6B
Installation and Service Instructions.

Converting gas type on burner control unit

To implement the changes the burner has to be in
stand-by, Status "0", Service "0".
1. Press button S F, hold for more than 2 seconds
and the " " in the display area D will flash.
2. Press button E until "6" appears in the Service
Y
display B.
3. Press button S F, until "6" appears in the Status
display A.
4. Press button E until "2" appears in the Service
Y
display B.
5. Press button S F until "2" appears under Status A.
6. The current gas type will be displayed under Service
window (0 = NG, or 1 = LPG).
7. Press buttons E or
Y
"1" for LPG.
8. Press button S F to confirm. Upon successful
completion "1" will be displayed under Service for
a short time. Repeat procedure if "0" appears.
9. Press button S F to exit setting mode and return
to operating mode.
10. Press button R C for more than 2 seconds and the
system restarts and the settings will be applied.
Note: Each time the burner restarts, the setup parameters,
max. input, gas type and altitude will show up on
the display as in the table below.
Max. Input: "1; 70...100" = Modulation Level %
Gas Type: "2; nG"
"2; LPG"
Altitude: "3; LA"
"3; HA"
G to set "0" for NG and
B
= Natural Gas or
= Liquid Propane Gas
= Low Altitude
= High Altitude)
Commissioning, Inspection and Maintenance
(continued)

Altitude adjustment

To implement the changes the burner has to be in
stand-by, Status "0", Service "0".
1. Press button S F, hold for more than 2 seconds and
the " " in the display area D will flash.
2. Press button E until "6" appears in the Service
Y
display B.
3. Press button S F, until "6" appears in the Status
display A.
4. Press button E until "3" appears in the Service
Y
display B.
5. Press button S F until "3" appears in the Status
display A.
6. The current altitude will be displayed under Service
display B (0 = Low Altitude, or 1 = High Altitude).
7. Press buttons E or
Y
"High Altitude". "1" will be displayed under Service
for a short time.
8. Press button S F to confirm. Set again to "1" if "0"
appears.
9. Press button S F to exit setting mode and return to
operating mode.
10. Press button R C for more than 2 seconds and the
system restarts and the settings will be applied.
11. Fill out and apply "Altitude Conversion" label next to
Rating Plate.
12.Fill out and fax conversion report.
Note: Each time the burner restarts, the setup parameters,
max. input, gas type and altitude will show up on
the display as in the table below.
Max. Input: "1; 70...100" = Modulation Level %
Gas Type: "2; nG"
"2; LPG"
Altitude: "3; LA"
"3; HA"
G until "1" appears for
B
= Natural Gas or
= Liquid Propane Gas
= Low Altitude
= High Altitude)
13