Function description
Systems
(cont.)
Hydraulic type 2
S1
S2
R1
R2
Relay and sensor assignment
Functions
Assignment by
scheme
Function block 1
Ext. Heat exchanger
Additional function
Parallel relay
Function block 2
DHW heating
Bypass
Function block 3
Central fault message
Booster suppression
Only if this function is achieved via contact control (see page 132).
*3
106
S4
S5
R4
Relay R...
1
2
3
4 5
x
x
x
x
x
*3
Sensor S...
6
7 1
2
x
x
x
x
x
x
x
x
x
x
3 4
5
6
7
x
x
x
x
x
x
x
x
x
x
x
8 9
x