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Operation SDC / DHC
90 EN2H-0221GE51 R0808
Para-
meter
Designation Setting range / Setting values Factory
setting
Setting
1 Parallel operation 2
2 Priority operation
3 Conditional priority
4 Parallel operation based
on weather conditions
5 Priority operation with
intermediate heating
6 Priority isolating circuit
7 External operation
07 Hot-water circuit
operating mode
8 Conditional parallel
operation for mixed
heating circuit (DHC
only)
OFF No discharge protection ON 08 Tank discharge
protection
ON Discharge protection
activated
09 Temperature in-
crease of heat
generator with hot-
water circuit
charging
0 ... 50 K
Difference between hot-water
circuit charging temperature and
hot-water circuit setpoint
temperature
15
10 Switching
differential of hot-
water circuit
2 ... 20 K
Value of hot-water circuit switch-
ing differential. Symmetrical
effect around the hot-water circuit
setpoint
5
11 Hot-water charging
pump follow-up
time
0 ... 60 min 5