Shini STM-W, Operation Instruction Manual, Page: 83 / 122

2.23 STM-3650W 400V
Main Circuit
Q1
100A
1
3
5
2
6
2.5mm
2
2
1
3
6
5
W3
V3
U3
EH2
9kW In=13.5A Heater 2
K3
PE
X1
25mm
2
L13
L12
L1
1
PE
PE
L3
L2
L1
3/PE/400V 50Hz
INPUT
62.6A
2/A1 2/A1 2/A1
2.5mm
2
2.5mm
2
1 2
3
6 5
F1
K1
U1
V1
W1
M1
3
PE
2 1
3
6 5
W2
V2
U2
EH1
SET
9.1A
4.0kW In=8.6A Pump
9KW
In=13.5A Heater 1
K2
PE
X1
X1
1 2
3
6 5
Q3
63A
15
2
T
400V
230V
F1
1
1 2
1 2
1
2
3/C1
3
3/A1
0.75mm
2
L21 L22 L23
1
3 5
2 6
C
1
C
2
Structure characteristics and working principle