Microprocessor Control
44
Figure 25 Control board (inside evaporator)
Figure 26 Wall box board
P18
P1P2P3
P39
P38
P40
TB
P22
P36
P34
P8
P32
P35
P4
P43
P7
P25
T-
P5
P16
P10
G2 G3
G4
G5
P33
P26
T+
GND
+5V
TB3-4 Connection to Terminal #4 Wallbox
TB3-3 Connection to Terminal #3 Wallbox
TB3-2 Connection to Terminal #2 Wallbox
TB3-1 Connection to Terminal #1 Wallbox
P16 Remote Sensor Connection
Wall Box
DIP Switches (1-8)
TB3-1
TB3-2
TB3-3
TB4-4