Schematics - Dantherm HCC 2 ALU Manual De Servicio

Appendix: Schematics

Schematics

Unit schematics
This illustration shows the PCB with unit connections :
PE
1: 12vDC / 750mA out
2: Input 1
3: Input 2
4: GND
4 3 2 1
J1
Digital input
J22
PE
F1
T2A
FACTORY ONLY
J8
J2 J4 J6 J7 J21
230V Pre- FAN1 FAN2 ByPass jumper ByPass
AC Heater 240VAC 230VAC
1: L 1: L 1: L 1: L 1: L open
2: N 2: N 2: N 2: N 2: L close
3: Neutral
4: -
1: Power
2: Gnd
3: Shield
4: RS485_A
5: RS485_B
6: Gnd
6 1
ANT
J19
RS485
BT1
- +
J16 J17 J11 J23
SW2
Control Control Pressure VOC
A B
Fan 1 Fan 2
1: Tacho 1: Tacho 1: Power 1: Power
2: V Fan 2: V Fan 2: PR 1 2: SCK
3: V Ref 3: V Ref 3: PR 2 3: SDA
4: GND 4: GND 4: GND 4: GND
Fig. 29
LAN
J9
a:S1 / b:S3
a:S2 / b:S4
a:S3 / b:S1
a:S4 / b:S2
J24
J5
PE
USB
RH%
1: Power
PE
2: SCK
3: SDA
4: GND
35