Shini STM-W, Operation Instruction Manual

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2.21 STM-2440 400V
Main Electrical Circuit
Structure characteristics and working principle
67
6 5
3 4
1 2
EH1
IN=18A
Heater 1
PE
U2
V2
W2
12kW
K3
K4
12kW
W3
V3
U3
PE
Heater 2
IN=18A
EH2
2 1
4 3
5
6
6
2
5
1
L13
L12
L1
1
4 3
PE
PE
L3
L2
L1
Q1
3/PE/400V 50Hz
INPUT=42.1A
63A
X1
X1
X1
1
K1
3
M1
6
4
2
5
3
1
3
5 6
4
2
PE
W1
V1
U1
F1
SET
6.4A
IN=6.1A 2.8kW
Pump
6 5
3 4
1 2
K2
X1
6 2
5 1
4
3
C1 C2
7
2
Q2
63A
2/C6
2/C6
2/C6
2
0.75mm
T
400V
230V
F1
1
1
1
2
3
4
2
16mm
2
1.5mm
2
4.0mm
2
4.0mm
3
2
2/A1
2/C1