Schematics - Dantherm HCC 2 Alu Service Manual

Schematics

Unit schematics
36
This illustration shows the PCB with unit connections :
1: 12vDC / 750mA out
2: Input 1
3: Input 2
4: GND
4 3
Digital input
J22
PE
F1
T2A
FACTORY ONLY
J2 J4 J6 J7 J21
230V Pre- FAN1 FAN2 ByPass jumper
AC Heater 240VAC
PE 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: -
2 1
J1
ANT
BT1
-
J16
J8
SW2
ByPass Control
A B
230VAC
1: Tacho
2: V Fan
3: V Ref
4: GND
Fig. 29
1: Power
2: Gnd
3: Shield
4: RS485_A
5: RS485_B
6: Gnd
6 1
J19
RS485
+
J9
J17 J11 J23 J5
Control Pressure VOC RH%
Fan 1 Fan 2
1: Tacho 1: Power 1: Power 1: Power
2: V Fan 2: PR 1 2: SCK 2: SCK
3: V Ref 3: PR 2 3: SDA 3: SDA
4: GND 4: GND 4: GND 4: GND
LAN
a:S1 / b:S3
a:S2 / b:S4
a:S3 / b:S1
a:S4 / b:S2
J24
PE
USB
PE