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2
Electric supply connections
•
Cut the electricity supply before any work inside the appliance (risk of electric shock). The removal of the power
supply has to be such that you can always check from any of the points to which you have access that the power
supply remains removed. If this is not possible, you should provide a disconnection with a locking system.
•
Only a qualified and experienced technician is authorised to carry out cabling work within the appliance or to
replace the power cord.
•
Make sure that the terminal screws are fully tightened (risk of fire). Incorrectly tightened terminal screws will cancel
the warranty.
•
Do not disconnect the electricity supply when the appliance is running. If the electric power supply is interrupted,
wait a minute before restoring the power.
Connect the unit to the power supply and options
Open and remove.
Wire the power cable. To connect options: do not run the cables
through the same cable gland as the power cable.
Spring-cage terminal block : connect the power cable
Screw terminal block : connect the options
Cable wiring and protection
Electricity
Max.
Model
supply
current
MD4
9.1
MD5
10.8
220 - 240V
1 phase
50 Hz
MD6
13.5
*Cable cross section suitable for max. lenght 20 meters.
Pass the power cable.
x 7 screws
Cable diameter*
• H07RN-F type
• Diameter: between 13
and 18mm
• Min. cable section:
- for power supply cable:
3x2.5mm²
- for option cable:
2x0.75mm²
POWER SUPPLY
AC 220-240V
1 PHASE 50Hz
1 -
power contractor coil
: filtration timer
: power contractor (tripolar or bipo-
lar) for filtration system pump motor
: separate cable for the "heating
priority" function (not supplied)
: heat pump terminal board
: fuse
Remote "ON/OFF" connection
Thermal magnetic
protection
C or D curve
30 mA
❶
Installation
Power supply connection
delayed fuse
Heating priority connection
14
13
4
3
2
1
2: power for flitration pump
: heat pump
terminal board
: remote "on/
off" switch (not
supplied)
: separate con-
nection cable (not
supplied)
4 3 2 1
L
N
1
2
5
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