HUB-TF_HUB-TFHB_rev042709
4
The figure above shows the internal wiring diagram of the HUB-TF & HUB-TFHB for the window demister. A spare 6-way
terminal block is provided at the rear of the enclosure for the camera when necessary and lens connections. Circuit
identified as follows:
TB.1
6-way terminal block
H.1
Heater
12V DC 9
TB.2
3-way terminal block
Heater
24V AC 9
FTB.1
Fused terminal block
Heater
110V AC 9
FS.1
3 Amp Fuse
Heater
30V AC 9
STAT.1
28 Thermostat
B.2
Blower
12V DC 9
STAT.2
35 Thermostat
Blower
24V AC 9
P.C.B.1
Thermal control circuit board
PSU
Power supply unit
24V AC
WIRING DIAGRAM