Operating instructions

23
System details/functions
Special functions (cont.)
A Connection extension
F Cylinder temperature
sensorĂ(NTC)
G Cylinder temperature
sensorĂ(PTC)
L Vitotronic
M Dekamatik
*1
Viessmann Trimatik
*1
Duomatik
*1
Unomatik
*1
N Eurolamatik
O Vitodens and Vitopend control
unit
P Pendola control unit
*1
Connecting cable, part no.Ă7450Ă061, required.
5862Ă490ĂGB
1 2 3 4 5
PTC
NTC
PTC Control
unit
or
X3
F
G
R1
K1
R2
X7
X5
1234
WH
BN
GN
YE
21
22
23
24
5
5 231
L
or
or
or
X5
or
A
X7
M
N
O
P
PTC
NTC