Liebert 8 Tons TB3-4 Connection to Terminal #4 Wallbox, TB3-3 Connection to Terminal #3 Wallbox

Microprocessor Control

Figure 25 Control board (inside evaporator)

				P7		P18	P25	T+	TB3-4	Connection to Terminal #4 Wallbox
P32	P40
								T-	TB3-3	Connection to Terminal #3 Wallbox
P8								+5V	TB3-2	Connection to Terminal #2 Wallbox
								GND	TB3-1	Connection to Terminal #1 Wallbox
P33
	P34							P26
								P5
								P16	P16 Remote Sensor Connection
								P10
	P35							P43
P36	P22	P38	P39	P3	P2	P1	P4	TB
								G2 G3 G4 G5

Figure 26 Wall box board

TB3-1

TB3-2

TB3-3

TB4-4

Wall Box

DIP Switches (1-8)

44