Coding in the delivered condition Possible change
91:0 No external operating
mode changeover via
external extension
91:1 The external operating
mode changeover affects
the heating circuit without
mixer
91:2 The external operating
mode changeover affects
the heating circuit with
mixer
91:3 The external operating
mode changeover affects
the heating circuit without
mixer and the heating cir-
cuit with mixer
95:0 Without Vitocom 100
communication inter-
face
95:1 With Vitocom 100 com-
munication interface;
automatic recognition
97:0 The outside tempera-
ture of the sensor con-
nected to the control
unit is utilised internally
97:1 The outside temperature
is accepted by the LON
BUS
97:2 The outside temperature
of the sensor connected
to the control unit will be
utilised internally and is
transmitted via the LON
BUS to any connected
Vitotronic 050.
98:1 Viessmann system
number (in conjunction
with monitoring of sev-
eral systems via
Vitocom 300)
98:1
to
98:5
System number adjusta-
ble from 1 to 5
9b:0 No minimum set boiler
water temperature in
case of external de-
mand
9b:1
to
9b:127
Set temperature adjusta-
ble from 1 to 127 °C
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