49
DESCTIPTION OF COMPONENTS
GB
GB
GB
GB
10. WIRING DIAGRAMS
COMPRESSOR
U (R)
V (S)
W (T)
R
BL
B
B
W
B
W(T)
V(S)
U(R)
OR
Y
Reactor
Fuse 250V T3.15A
MOTOR
FAN
PUMP
EXP.V.
B
PCB MAIN
SENSOR Aspiration Temperature
SENSOR Temperature Antifreeze
SENSOR Discharge Temperature
4-way valve
Heater electric defrost
Electrical Shock !
ATTENTION !
Connect terminals pressing the lever locking and pull
B
W
B
GR
W
R
Transformer
W
R
B
W
GR
W
B
BL
Y
B
Sensor
(Outdoor air)
30
44
22
28
21
7
9
8
6
5
1
2
4
3
32
40
35
33
SW
5
SW
6
SW
7
31
42
Fuse (250V T10A)
41
43
39
B
R
G
R
BL
Y
O
R
R
B
Back side of control
D
O
D
O
D
O
D
O
DO
N
D
O
DO
6612
3
4
4
W
BR
BL
B
GR
W
Y
R
OR
Modo SW.
DISPLAY
RESET SW.
Pompa SW.
TERMINAL BLOCK
L
N
Current
G/Y
14
13
B
L
B
B
Sensor
(Water entry)
Be careful when making the electrical connections!
• Do not touch electrical parts, can cause electrical shock even if the circuit is switched off.
• Before making any maintenance be sure to wait at least 5 minutes after removing the power the power supply and check that the voltage of the pump connector 13 (between black and white + -) is less than 10 volts.
Sensor
(Water Outlet)
• Do not touch any part of the circuit as it has high voltage to ground.
• Be careful not to damage the cable insulation when tightening the screws as exposed wires can cause shock or malfunction.
How to connect self-locking terminals
Lever
PCB TERMINAL BLOCK
Electrical Shock !
ATTENTION !
A
1
2
3
4
5
6
Temp. W
ater
Supply System
Outdoor Temp.
Sanitar
y T
ank
W
ater Sensor
IN
COM
12V
7
8
9
Dew Point Sensor
Remote On/Off
10
11
Night Mode
12
Remote Cool/Heat
13
14
+
Set Point 2
-
Out Signal 0-10V
26
27
Power Supply 24V 3V
A
C
D
E
Room Thermostat
Elec. heat Sanitar
y
Pump 1
L
K
J
F
Input Pump1-2
Ext. Heat Source
L
I
Out Pump 2
H
G
3W
. V
. Sanitar
y
Dehumidifier
-
+
G
12V
Sig.
GND
LAN
RS485
G BR BL
Wire colors
: Nero : Bianco : Rosso
B W R
: Grigio : Arancione : Giallo
GR OR Y
: Verde : Marrone : Blu
Model EH0614DC
Summary of Contents for Mirai SMI EH0614DC
Page 55: ......
