10
Damper
Air Pocket
Figure 6
4. Electrical Connection
Table 4
4.1 Typical electrical connection
a) 2-wire:
Wire Color
2-wire(current)
3-wire(voltage)
4-wire(RS485)
Red
+V
+V
+V
White
Null
+OUT
RS485B
Black
OV/+OUT
GND
GND
Yellow/Green
Null
Null
RS485A