Technical data

156
Coding – Vitotronic 100, GC1
Coding 2
Calling up coding 2
1. Press w and rw simultaneously
for approx. 2 seconds, until the first
two arrows appear in the display;
confirm with
2. Select the required coding address
with or ; the address flashes;
confirm with , the value flashes.
3. Change the value with or ;
confirm with .
The value is saved and does not
flash for approx. 2 seconds. Then
the display flashes again.
Call up further addresses
with or .
4. Press w and rw simultaneously
for approx. 1 second.
Overall summary
Coding in the factory setting Possible change
System design
00: 1 No function 00: 0 Boiler control connected to the cascade; this
automatically occurs if 01: 2 has been programmed
System type
01: 1 Single boiler system 01: 2 Multi-boiler system with cascade control via LON
BUS (e.g. Vitocontrol-S, VD2/CT3/CM2, type MW1)
01: 3 Do not adjust
Boiler/burner
02: 1 Two-stage burner 02: 0 Single stage burner
02: 2 Modulating burner
03: 0 Gas-fired operation 03: 1 Oil-fired operation (non-reversible)
03: 2 This occurs automatically, if an incorrect or no
boiler coding card is inserted
04:
*1
Switching differential
(Please note: see page 163)
04: 0 Switching differential 4˚C / 7.2˚F
04: 1
04: 2
Heat demand-dependent switching differential:
ERB50 function
(values from 6 to 12˚C / 10.8 to 21.6˚F)
ERB80 function
(values from 6 to 20˚C / 10.8 to 36˚F)
*1
The factory setting is defaulted by the boiler coding card.
5351 340 v1.4
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