Carel heaterSteam UR080 - Electrical Connection of Boiler Heaters

44
ENG
“heaterSteam” +0300075EN - rel. 1.2 - 29.09.2015
10.9 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. 10.ae Fig. 10.af Fig. 10.ag Fig. 10.ah
Three-phase - STAR
20-27 kg/h 400-460-575 V
Three-phase - STAR
53 kg/h 400-460 V
Three-phase - STAR
53 kg/h 575 V
g
1
2
3
AB
EF
IL
1
2
3
45 6
AB
CD
EF
OP
QR
ST
1
2
3
AB
CD
EF
OP
QR
ST
Fig. 10.ai Fig. 10.aj Fig. 10.ak
Three-phase - TRIANGLE
20-27 kg/h 208-230 V
Three-phase - STAR
60 kg/h 460 V
80 kg/h 400 V
Three-phase - STAR
60 kg/h 400-575V
1
2
3
AB
EF
IL
1
2
3
45 6
AB
CD
EF
GH
IL
MN
OP
QR
ST
1
2
3
AB
CD
EF
GH
IL
MN
OP
QR
ST
Fig. 10.al Fig. 10.am Fig. 10.an
Three-phase - STAR
40 kg/h 400 V
Three-phase - STAR
40 kg/h 460-575 V
Three-phase - STAR
80 kg/h 460-575 V
g
1
2
3
45 6
AB
CD
EF
GH
IL
MN
1
2
3
AB
CD
EF
GH
IL
MN
1
2
3
78 9 45 6
AB
CD
EF
GH
IL
MN
OP
QR
ST
Fig. 10.ao Fig. 10.ap Fig. 10.aq
Key window
1-2-3-4 - 5-6-7-8-9 three-phase power supply terminals
1-2 single-phase power supply terminals