41
Smarty 2X/3X V
www.salda.lt
A
Connector
Contactor No.
Contactor name
Functional block name
miniMCB
X1
1
PE
Not used
2
GND
3
24VDC
4
DI1 (HOLO)
X2
1
GND
Supply air fan control (output 0-10VDC)
2
AO1 (0-10V)
3
GND
Extract air fan control (output 0-10VDC)
4
AO2 (0-10V)
5
GND
Electric/Water preheater control (output 0-10VDC)
6
AO3 (0-10V)
X3
1
24VDC_P
Bypass step motor control
2
STEP_B/
3
STEP_B
4
STEP_A/
5
STEP_A
6
24VDC_P
X4
1
DI2 (TACHO1_A)
Supply fan speed RPM
2
(TACHO1_K)
3
DI3 (TACHO2_A)
Extract fan speed RPM
4
(TACHO2_K)
5
DI4
Fire protection input (NC)
6
3.3V_1W
X5
1
DI5
Electric Preheater automatic protection (NC)
2
12VDC
3
DI6
Electric Preheater manual protection (NC)
4
12VDC
5
DI7
Bypass closed (NC)
6
12VDC
7
DI8
Not used
8
12VDC
X6
1
AI1 (NTC)
Supply air temperature sensor
2
GND
3
AI2 (NTC)
Fresh air temperature sensor
4
GND
5
AI3 (NTC)
Extract air temperature sensor
6
GND
7
AI4 (NTC)
Exhaust air temperature sensor (optional)
8
GND