Wiring diagrams
SWS 400V3~
Heat controlled by thermostat and 2-step control of air flow
SD20
TVV20/25
KRT
SD20
TVV20/25
T10/TK10
>t°C
10
3
2
1
STDT16
L N
230 V~
L3
5
400 3V~
L2
3
L1
1
7
6
2
2
4
4
L N
STDT16
230 V~
L3
5
400 3V~
L2
3
L1
1
SWS
SWS323/333
M ~
V2
TK TK
U1
V1 U2
W2 W1
TK
TK
6
4
2
SWYD1
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16 17 18 19 20
SWS323/333
M ~
TK TK
V2
V1 U2
W2 W1
U1
TK
TK
6
4
2
SWYD1
1
4
5
8
9 10 11 12 13 14 15 16 17 18 19 20
2
3
6
7
Full speed
Half speed
Full speed
Half speed