6.3.1.4 DSW3
Additional setting 1
◆
DSW3
Factory setting
1 step heater for 3 phase unit option
(*)From January 2023. S/N: ≥ 80202A30184431 DSW3#1=ON. S/N: < 80202A30184431 DSW3#1=OFF
6.3.1.5 DSW4
Additional setting 2
◆
DSW4
Factory setting
DHW defrost
Heater forced OFF
Unit and installation pipes antifreeze protection
Standard / ECO water pump operation
Electric heater or boiler emergency mode
DHW tank's heater operation
DHW 3‑way valve forced ON
PMEN0648 rev.0 - 03/2023
RWH‑VNF(W)E (*)
RWH‑NF(W)E (*)
1
2
3
4
1
Not applicable
1
RWH‑(V)NF(W)E
1
2
3
4
6
7
5
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
7
2
3
4
2
3
4
8
6
8
8
8
8
8
8
8
49