11
Table 2 - power supply cables for electric heaters
Heater Capacity
Rated current
Cable cross-section
3 kW
4,3 Amp
4 x 1,5 mm²
6 kW
8,7 Amp
4 x 1,5 mm²
9 kW
13,0 Amp
4 x 1,5 mm²
12 kW
17,3 Amp
4 x 2,5 mm²
15 kW
21,7 Amp
4 x 2,5 mm²
18 kW
26,0 Amp
4 x 4,0 mm²
21 kW
30,3 Amp
4 x 4,0 mm²
24 kW
34,7 Amp
4 x 6,0 mm²
27 kW
39,0 Amp
4 x 6,0 mm²
30 kW
43,4 Amp
4 x 10,0 mm²
33 kW
47,7 Amp
4 x 10,0 mm²
36 kW
52,0 Amp
4 x 10,0 mm²
C
ROSSING AND CONNECTING THE POWER SUPPLY AND CONTROL CABLES
Make all connections (power and control) of the electric heater as shown on Figure 14
NOTE! Mind swapped sequence of the terminals: 2; 1; 3.
Figure 14 - Electric heater connections
Explanation to above:
Pressure switch cable
– will be connected to the T1 and L terminals of the electric heater (Figure 14).
Power supply cable (3x400 VAC)
– will be crossed through the power gland (the large one) and connected to the L1, L2
and L3 power terminals located of the F1 power mains switch (Figure 14).
Auxiliary power supply cable (1x230 VAC will be crossed through the power gland (the large one) and connected to the L
and N terminals (Figure 14).
