6
SDHW. 180118
03/06/2015 Swegon reserves the right to make changes.
www.swegonhomesolutions.com
7. Function diagram and connections
Smart Extension Temperature module
Sensor
T6 T7
T8 T9
Smart unit
SET2 SET1
DI
max 50 VDC
NC NC NC
1 2 3 4 5 6 7 8 9 10 11 12
max 250 V / 6 A
Relay 1
4 3 2 1
max 250 V / 6 A
Relay 2
NC
4 3 2 1
AO3
AO2
AO1
NC
NC NC
SET
1
2
3
15
5
6
7
8
9
10
11
12
(1 m)
(3 m)
(3 m)
13
14
4
16
(3 m)
1: CASA Smart ventilation unit* | 2: SDHW air heater | 3: 3-way valve | 4: Actuator | 5: SET connection unit | 6: Power source 24 VDC
| 7: Supply air temperature sensor | 8: Room air temperature sensor* | 9: Control panel | 10: Circulation water pump* | 11: Extract air
| 12: Flow regulator | 13: CAT45 cable (2 pcs.) | 14. Modular cable PMK20* | 15. Duct actuator* | 16. Air heater’s anti-frost sensor*
*) Not included in the delivery.
Smart Extension Temperature module
Sensor
T6 T7
T8 T9
Smart unit
SET2 SET1
DI
max 50 VDC
NC NC NC
1 2 3 4 5 6 7 8 9 10 11 12
max 250 V / 6 A
Relay 1
4 3 2 1
max 250 V / 6 A
Relay 2
NC
4 3 2 1
AO3
AO2
AO1
NC
NC NC
SET
1
1
6
4
16
7
230 V
10
6
15
8
Important
If the SET module is used for 230 VAC
control, the module must be installed,
according to the electrical safety
directives, in a separate enclosure.
Make sure that the strain relief is
arranged for the connections according to
the electrical safety directives.
!
!
