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Wiring diagrams
Thermostat and 2-step control
The thermostat controls only heat
KRT1900/KRTV19
CB20
TKS16
CB20
SWL02-33
SWL02-33
SD20
TVVS20/25
C
3
2
1
KRT/V
SWL02-33
SWL02-33
SD20
TVVS20/25
TKS16
5
6
>t C
7
2
2o
4
SWL
1
3
4
6
L
N
A
2
5
A
1
2
3
4
5
6
L
N
L
N
~
230V
1
1
2
3
4
4
5
o
o
1
1/2 o
o
0
CB20
A
1
2
3
4
5
6
L
N
1
2
3
4
5
6
L
N
A
L N
~
230V
1
1
2
3
4
4
5
o
o
1
1/2 o
o
0
CB20
SWL
2+
4+
SD20
CB20
2+
KRT/V
7
7
SWL
2+
5
SD20
CB20
3
TKS16
7
7
2+
~
230V
2+
~
230V
7
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