Fan heater SWS
Wiring diagrams
SWS 230V~
Internal wiring diagram
Yellow-Green
Brown
Black
Blue
M
~
L N 1 2
L N
230 V~
Control by thermostat only
SD20
SWS
SD20,
actuator
TVV20/25
15
10
5
30
>t°C
TK10,
electronic
thermostat with
knob
TVV20/25,
two way valve
7
6
2
2
4
4
L N
230 V~
SD20
KRT1900,
capillary tube thermostat
L N 1 2
T10/TK10
20
25
SWS
A/B
T10,
electronic
thermostat
L N 1 2
TVV20/25
1
2
3
TRV20/25,
three way valve
SWS
L N 1 2
SWS
L N 1 2
SD20,
actuator
TVV20/25,
two way valve
KRT
L N
230 V~
TRV20/25,
three way valve
Fan heater SWS
Wiring diagrams
SWS 230V~
5-step control of airflow only
SWS
L N 1 2
SWS
L N 1 2
RE1,5-7,
5-step control
~ N
N ~
RE1,5 - 7
LN
230 V~
Thermostat and 5-step control
T10,
electronic thermostat
SD20
SD20,
actuator
SWS
L N 1 2
SWS
L N 1 2
15
TVV20/25
10
20
5
30
25
T10/TK10
A/B
TK10,
electronic thermostat
with knob
>t°C
TVV20/25,
two way valve
7
6
2
2
4
4
N ~
~ N
RE1,5 - 7
L N
230 V~
RE1,5-7,
5-step control
SD20
TRV20/25,
three way valve
SWS
L N 1 2
SWS
L N 1 2
SD20,
actuator
TVV20/25
KRT1900,
capillary tube
thermostat
1
2
3
TVV20/25,
two way valve
N ~
KRT
~ N
RE1,5 - 7
RE1,5-7,
5-step control
L N
230 V~
TRV20/25,
three way valve
Fan heater SWS
Wiring diagrams
SWS 400V3~
Internal wiring diagram
SWS323/333
SWS323/333
∆ 400V3~
Black
Orange
Brown
Red
Blue
Grey
M
~
Black
Orange
Brown
Red
Blue
Grey
M
~
U1 V2 V1 W2 W1 U2 TK TK
L1
L2
Y 400V3~
U1 V2 V1 W2 W1 U2 TK TK
L1
L3
L2
L3
400 V3~
400 V3~
2-step control of airflow only
SWS323/333
M
~
V2
TK TK U1
Red
Blue
Brown
Grey
Black
Orange
Full speed
V1 U2
W2 W1
Half speed
STDT16
TK
TK
L3
5
6
L2
3
4
L1
1
2
SWYD1
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16 17 18 19 20
Fan heater SWS
Wiring diagrams
SWS 400V3~
Thermostat and 2-step control
SD20
TVV20/25
T10/TK10
15
A/B
SWS323/333
M
~
10
20
5
Full speed
Brown
Grey
>t°C
Orange
TK10,
electronic thermostat
with knob
7
6
2
2
4
4
Black
30
25
V2
TK TK U1
Red
Blue
T10,
electronic thermostat
V1 U2
W2 W1
Half speed
L N
230 V~
STDT16
TK
TK
400 3V~
SD20,
actuator
L3
5
6
L2
3
4
L1
1
2
SWYD1
1
TVV20/25,
two way valve
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16 17 18 19 20
TRV20/25,
three way valve
SD20
SWS323/333
TVV20/25
KRT
V2
TK TK U1
Red
Blue
Brown
Grey
Orange
Full speed
Black
KRT1900,
capillary tube
thermostat
M
~
3
2
1
V1 U2
W2 W1
Half speed
STDT16
L N
230 V~
400 3V~
SD20,
actuator
TK
TK
L3
5
6
L2
3
4
L1
1
2
SWYD1
1
TVV20/25,
two way valve
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16 17 18 19 20
TRV20/25,
three way valve
Frico AB
031 336 86 00
www.frico.se