17
GB
GB
5. INSTALLATION
By removing the cover of the electric panel, you can access the electri-
cal supply terminal board of the heat pump and and the PCB TERMINAL
BLOCK.
(N)
(L)
Supply Cable
Terminal Board
Electric Cable Press
Electric Cable Press
Cable Tie Ring
Earthing Cable
Electric Cable Press
Electric Cable Press
Ensure that you that electricity supply line is protected by a differential
magneto thermal switch.
Use cables which contain contain wires with greater dimensions to those
listed in the table below.
Model
Supply Cable (mm
2
)
Capacity of differential
magneto thermal switch
(A)
EH1614DC
6
32
EH1314DC
6
32
EH1014DC
4
20
EH0614DC
2,5
16
The cable must conform with IEC Norm: 60245 IEC57 (H05RN-F)
• I Connections must be carried out by qualified technicians in accord-
ance with the regulations governing the type of installation location
for the unit.
• Connection must follow an careful inspection of the compatibility of the
electricity supply line and characteristics of the unit.
• A bipolar, (differential) switch must be placed on the supply line, which
includes a 3 mm gap between the contacts in each pole, with minimum
threshold of 30 but.
10 mm
30 mm
Differential Switch /
Magneto thermal
Distribution
Panel
5.7 Electricity Connection
WARNING
Before performing any work on the unit, ensure that the electricity supply
has been turned off. Never touch electrical components immediately after
removing the power supply, wait at least 5 minutes.
Connect the Earthing Cable
The earthing cable must not be connected to the piping, the
gas supply, lightening rods or telephone lines; incorrect earth-
ing can cause electrical discharge and damage to the unit.
Fuse 10A
A
1
2
3
4
5
6
Temp. Water
Supply System
Outdoor
Temp.
Sanitary Tank
Water Sensor
IN
COM
12V
7
8
9
Dew Point
Sensor
Remote
On/Off
10
11
Night
Mode
12
Remote
Control
13
14
+
Set Point 2
-
Out Signal
0-10V
26
27
Power Supply
24V 3VA
C
D
E
Room
Thermostat
Elec. heat
Sanitary
Pump 1
L
K
J
F
Input
Pump1-2
Ext. Heat
Source
L
I
Out Pump 2
H
G
3W. V. Sanitary
Dehumidifier
-
+
G
12V
Sig.
GND
LAN
RS485
A
1
2
3
4
5
6
Temp. Water
Supply System
Outdoor
Temp.
Sanitary Tank
Water Sensor
IN
COM
12V
7
8
9
Dew Point
Sensor
Remote
On/Off
10
11
Night
Mode
12
Remote
Cool/Head
13
14
+
Set Point 2
-
Out Signal
0-10V
26
27
Power Supply
24V 3VA
C
D
E
Room
Thermostat
Elec. heat
Sanitary
Pump 1
L
K
J
F
Input
Pump1-2
Ext. Heat
Source
L
I
Out Pump 2
H
G
3W. V. Sanitary
Dehumidifier
-
+
G
12V
Sig.
GND
LAN
RS485
Low Temp.
Valve
Gray Y
Black G0
Red G
1 KOhm
Air Ext. S.
In W. S.
Out W. S.
CRONO-TH
Dehumidifier
3-Way Sanitary
Pump 2
Gas Boiler
