43
Smarty 3X P
www.salda.lt
LED indication
EX1
EX2
LED1
controller management
LED1
controller management
LED2
ower supply line of the supply air fan (PV fan Max 3.5 A)
LED3
Power supply line of the exhaust air fan (IV fan Max. 3,5 A)
LED4
Power supply indication of the pre-heater
LED5
Power supply line of the electrical heater
LED7
Output DO5 of the supply/extract air damper control (open)
LED8
Output DO6 of the supply/extract air damper control (close)
SL1 DIP switch Purpose (ON position)
1
A+Y (RS422->RS485)
2
B+Z (RS422->RS485)
3
120R line termination resistor
4
1kR connection line pull-up resistor
5
1kR connection line pull-down resistor
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
RJ45
RJ45
X19
X18
RS485_A
RS485_B
+24VDC
GND
RS422_Z
RS422_Y
RS422_A
RS422_B
GND (signal)
+24VDC
GND (power)