Swegon CASA R2 SMART Installation, Commissioning And Maintenance Instruction page 15

External connections diagram
2 x 0,5
IO1-IO4
A1
8
GND
A2
2 x 0,5
5-24V
A1
9
IO5
A2
10
2 x 0,5
102TKC
2 x 0,5
11
1
2
3
117KHH
2 x 1,5
L
N
2 x 0,5
12
1
NC
2
3
NO
105A1
P
13
1
2 x 0,5
2
3
117PK2
4 x 0,5
G+
G0
OUT1
14 OUT2
M
Relay
Relay
OUT4
117HDL
3 x 0,5
G+
G0
OUT1
15
OUT2
M
Relay
Relay
OUT4
117HDL
2 x 0,5
24 V
GND
16
2 x 0,5
IO1 - IO5
IO1 - IO5
GND
102LT
1. Air handling units external connections
2. Swegon CASA Smart control panel (UP1)
3. Swegon CASA Smart control panel (UP2)
4. Connection points on the ventilation unit: IO1, IO2, 24 V / (5 V), selection from circuit board
5. SET-module, Smart Extension Temperature module, connection card for external duct equipment
6. SEC Smart Extension Cable, IO-extension cable with Modbus RTU (single point connector)
7. SEM Smart Extension Modbus module, IO-extension module with relay and Modbus RTU (in and out connectors)
8. External relay control, alarm signal, duct damper, status signal, Modbus
9. External relay control (earthed output), alarm signal, duct damper, status signal, Modbus
10. Fireplace/boost switch, for control of the fireplace function or boosting
11. Humidity sensor, for control of boosting
12. Timer, for control of the Away/Boost mode
13. Pressure switch, for control of the cooker hood/central vacuum cleaner function.
14. CO sensor with relay, for activate the boost mode
2
15. CO sensor, for control of Automatic Home/Away/Boost system
2
16. Presence sensor
1 = GND
2 = AO 4
3 = GND
4 = (IO 3)
5 = IO 4
6 = IO 5
7 = GND
8 = 5 V Out
IO1 - IO5
GND
IO1 - IO5
GND
230V AC 50Hz
IO1 - IO5
GND
IO1 - IO5
GND
24V
GND
GND
IO1 - IO5
24V
GND
IO1 - IO5
7
6
1 = Modbus A
2 = Modbus B
SEC
3 = IO 3
4 = IO 4
5 = IO 5
6 = AO 4
7 = 5 V Out
8 = GND
24V / (5V)
IO2
4
IO1
GND
1
3
BUS TERMINATION
2020-11-27
R2 Smart
5
2
OPEN OPEN
TERMINATED TERMINATED
BUS TERMINATION
All rights to changes reserved.
15