88
ENG
“heaterSteam” +0300087EN - rel. 1.4 - 22.01.2021
16.2 Electrical connection of boiler heaters
The cable end should be coupled to the top nut applying a torque equal to 3 N · m.
Single-phase
2-4 kg/h 208-230 V
Single-phase
6 kg/h 208-230 V
Three-phase - STAR
6 kg/h 400 V
10 kg/h 400-460 V
13 kg/h 400-460-575 V
Three-phase - TRIANGLE
6 kg/h 208-230 V
10 kg/h 208-230 V
13 kg/h 230 V
E
2
1
F
A
B
C
D
E
2
1
F
1
A
B
C
D
E
F
2
3
2
3
1
A
B
C
D
E
F
Fig. 16.j
Fig. 16.k
Fig. 16.l
Fig. 16.m
Three-phase - STAR
20-27 kg/h 400-460-575-690 V (0+U)
Three-phase - STAR
27 kg/h 230 V (U)
Three-phase - STAR
53 kg/h 400-460 (0+U) - 690 V (0)
1
2
3
A
B
E
F
I
L
1
3
4
2
5
A
B
E
F
I
L
6
1
2
3
4 5
6
A
B
C
D
E
F
O
P
Q
R
S
T
Fig. 16.n
Fig. 16.o Fig. 16.e_1
Fig. 16.p
Three-phase - STAR
53 kg/h 575 V (U)
Three-phase - TRIANGLE
20 kg/h 208 (U) - 230 V (0+U)
27 kg/h 208 (U) - 230 V (U)
Three-phase - STAR
60 kg/h 400-460 V (U)
80 kg/h 400-460 V (0)
1
2
3
A
B
C
D
E
F
O
P
Q
R
S
T
1
2
3
A
B
E
F
I
L
1
2
3
4 5
6
A
B
C
D
E
F
G
H
I
L
M
N
O
P
Q
R
S
T
Fig. 16.q
Fig. 16.r
Fig. 16.s
Three-phase - STAR
60 kg/h 400-460-690 V (0) - 575 (U)
80 kg/h 690 V (0)
Three-phase - STAR
40 kg/h 400 V (0+U) - 460-690 V (0)
Three-phase - STAR
40 kg/h 460-575 V (U)
1
2
3
A
B
C
D
E
F
G
H
I
L
M
N
O
P
Q
R
S
T
1
2
3
4 5
6
A
B
C
D
E
F
G
H
I
L
M
N
1
2
3
A
B
C
D
E
F
G
H
I
L
M
N
Fig. 16.t
Fig. 16.u
Fig. 16.v
Three-phase - STAR
80 kg/h 400-460-575 V (U)
1
2
3
7 8
9
4 5
6
A
B
C
D
E
F
G
H
I
L
M
N
O
P
Q
R
S
T
Key window
1-2-3-4 - 5-6-7-8-9
three-phase power supply terminals
1-2
single-phase power supply terminals
Note:
•
version 0 refers to units with CE certifi cation;
•
version U refers to units with ETL (UL) certifi cation, mainly used on the
American market.
Fig. 16.w
Summary of Contents for HeaterSteam 4 UR002
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