Viessmann Vitodens 222-F B2TA Installation And Service Instructions Manual page 117

Diagnosis
(cont.)
Brief scan
d
E
1
F Setting of
1 coding ad-
dress "53"
F Software
2 version
F Output 157
3 configura-
tion
(value cor-
responds
to setting of
coding ad-
dress "36"
in group 1
"General")
F Software
4
version
F Software
9 version
Display
Software version
Burner control unit
Internal details for calibration
Extension AM1
Output A1 Output A1
configura- switching
tion state
(value corre- 0: OFF
sponds to 1: ON
coding ad-
dress "33"
setting)
Extension EA1
Output 157 Input DE1
switching switching
state state
0: OFF 0: Open
1: ON 1: Closed
External hook-up 0 – 10 V
Display in %
OpenTherm extension (if installed)
DHW heat- External hook-up 0 – 10 V
ing status Display in %
Diagnosis and service scans
Variable Software
speed version
pump Variable
1 Wilo speed pump
2 Grundfos 0: no varia-
ble speed
pump
Output A2 Output A2
configura- switching
tion state
(value cor- 0: OFF
responds to 1: ON
coding ad-
dress "34"
setting)
Input DE2 Input DE3
switching switching
state state
0: Open 0: Open
1: Closed 1: Closed
117