35
Schematics
: Wiring diagram
Wiring diagram
This illustration shows the standard connection of the unit.
MAIN
CONTROLLER
BOARD
EVAP.1
1
GND
2
EVAP.2
3
GND
4
COND.
5
GND
6
RESERV
7
GND
8
J17 (TEMP.)
+5V
1
GND
2
SDA
3
SCK
4
J27 (RH)
+12V
1
COIL 4
2
COIL 3
3
COIL 2
4
COIL 1
5
J3 (EEV)
+12V
1
+12V
2
COIL 4
3
COIL 3
4
COIL 2
5
COIL 1
6
J2 (EEV)
230V N
1
2
J36 (CAP 1)
INT. FAN
1
230V N
2
N.C.
3
4
J35 (FAN 1)
230V N
1
2
J5 (CAP 2)
INT. FAN
1
230V N
2
N.C.
3
4
J37 (FAN 2)
230V N
1
2
J39 (CAP 3)
INT. FAN
1
230V N
2
N.C.
3
4
J38 (FAN 3)
1 GND
2 ANT.
J29 (ANT.)
1
GND
J34 (GND)
1
VCC 5V
2
D-
3
D+
4
GND
J28 (USB)
1
RS485_A
2
N.C.
3
N.C.
4
RS485_B
5
N.C.
6
N.C.
7
N.C.
8
GND
J4 (RS485)
1
+V
2 TH (GND)
3
TH
4
GND
5
RH
J22 (RH/T)
1
RUN
2
RUN
3
FAIL
4
FAIL
J19 (RUN/FAIL)
1
1: +
2
1: GND
3
2: +
4
2: GND
J10 (HEAT 1/2)
1
3.3V
2
PG2
3
PG3
4
PG4
5
N.C.
J25 (KEYB.)
1
RGB RE
2
RGB GR
3
RGB BU
4
GND
J1 (DIODE)
1
MAINS N
2
MAINS L
3
COMP. N
4
COMP. L
5 EX.FAN N
6
EX.FAN L
7
VALVE N
8
VALVE L
J8 (230V)
230V
RAIL
Mains
230V
L1L2 L3 N PE
OK
KEYBOARD
LED LAMP
t
TEMP.
SENSOR
(EVAPO.)
TEMP.
SENSOR
(COND.)
HUMIDITY
SENSOR
rH%
FAN
CAPACITOR
t
SOLENOID
VALVE
COMPRESSOR
Temp. °C
Kohm
5
6,96
10
5,44
15
4,29
20
3,40
25
2,72
30
2,19
35
1,77
Resistance coversion
Fig. 11
Illustration
en