7
2.3 I Electrical connections
2.3.1 Voltage and protection
•
The power supply to the heater must be provided through a protection and circuit breaking device (not
supplied) complying with the standards and regulations in force in the country where it is installed,
•
The electrical connection lines must be fixed,
•
Use the gland to pass the power cord into the appliance.
Electrical protection
: via a dedicated 30 mA residual-current circuit breaker (circuit breaker or switch)
Acceptable variation in voltage
: ± 10% (during operation)
2.3.2 Connections
•
Incorrectly tightened terminals may cause the terminal unit to heat up and invalidate the
warranty.
•
The appliance must be connected to an earth socket.
•
Risk of electrical shock inside the appliance.
•
Only a qualified and experienced technician is authorised to carry out cabling in the appliance.
•
If the power cord is damaged, it must be replaced by a qualified technician.
•
The power cord must be insulated against any cutting or hot elements that may damage or crush it,
•
Check that the power cord is firmly attached to the connection terminal board.
12 kW Red Line units are wired via three-phase systems only.
3, 6 and 9 kW Red Line units are pre-wired for supply via a single-phase system when leaving the
factory.
To switch to a three-phase supply:
-
Detach the label from the terminal block,
-
Remove the 2 bridging straps ( ),
-
Reattach the label after pivoting it by 180° from its original position.
Single-phase
: Heater terminal block
Three-phase
: Bridging straps
: Power cord
: 30mA residual-current
circuit breaker
: Phase
: Neutral
: Earth
2.3.3 Cable sizes
•
Power cord size: for cables of a maximum length of 20 metres (calculation basis: 5A/mm²), this must be
checked and adapted depending on the installation conditions.
Red Line
Voltage
Bridging
straps
Terminals
Power
consumed
Cable size
Protection
rating
A
mm²
A
3
230V/1N/50Hz
R-S-T
C-N
14
3x4
3G4
16
400V/3N/50Hz
/
5
5x2.5
5G2.5
10
6
230V/1N/50Hz
R-S-T
C-N
27
3x6
3G6
32
400V/3N/50Hz
/
9
5x2.5
5G2.5
16
9
230V/1N/50Hz
R-S-T
C-N
40
3x10
3G10
50
400V/3N/50Hz
/
13
5x4
5G4
16
12
400V/3N/50Hz
/
18
5x4
5G4
20
EN
