Fig. 6
System code no. 3.0
Fig. 4
System code no. 2.0
Fig. 5
System code no. 2.1
Option Type 5244
Type 5257-4
Stage1
Stage 2
With 0
…
20 mA
50
Ω
connect in parallel
Thermostat
Option Type 5244
Type 5257-4
With 0
…
20 mA
50
Ω
connect in parallel
Thermostat
Changeover
valve
Option Type 5244
Type 5257-4
With 0
…
20 mA
50
Ω
connect in parallel
10