Viessmann VITOTRONIC300 Installation And Service Instructions Manual page 103

Vitotronic 300, GW2B Installation and Service
"General" Group
Coding in the factory set condition
88:0 Temperature displayed in °C (Celsius).
8A:175 Do not adjust.
8F:0 Operation in the standard menu and extended
menu enabled.
Note: The respective code is only activated
when you exit the service level
(see page 65).
90:128 Time constant for calculating adjusted outside
temperature 21.3 h.
91:0
Connection at terminals 1 and 2 in plug aVD
disabled (external heating program changeover)
(see page 55).
93:0 Central fault message during emissions test
function/service display does not affect central
fault.
95:0 Without Vitocom 100 communication
interface.
96:1 With extension for heating circuits 2 and 3
with mixing valve.
(continued)
Possible change
88:1 Temperature displayed in °F (Fahrenheit).
- -
8F:1 Operation in the standard menu and extended
menu blocked.
8F:2 Operation enabled in the standard menu;
blocked in the extended menu.
90:1 Fast (low values) or slow (high values)
to matching of the supply temperature, subject
90:199 to the set value when the outside temperature
changes.
1 step 10 min
91:1 Contact affects the following heating circuits:
Heating circuit without mixing valve A1
(heating circuit 1).
91:2 Heating circuit with mixing valve M2
(heating circuit 2).
91:3 Heating circuits without mixing valve A1
(heating circuit 1) and heating circuit with
mixing valve M2 (heating circuit 2).
91:4 Heating circuit with mixing valve M3
(heating circuit 3).
91:5 Heating circuits without mixing valve A1
(heating circuit 1) and heating circuit with
mixing valve M3 (heating circuit 3).
91:6 Heating circuits with mixing valve M2
(heating circuit 2) and M3 (heating circuit 3).
91:7 Heating circuit A1 (heating circuit 1) and
heating circuits with mixing valve M2
(heating circuit 2) and M3 (heating circuit 3).
93:1 Central fault message during emissions test
function/service display does affect central
fault.
95:1 With Vitocom 100 communication interface;
automatic recognition.
96:0 Without extension for heating circuits 2 and 3
with mixing valve.
Code 2
103