Control Circuit
S2
1
16
2
3
J1
1
2
3
J2
NO ALM
ALM
230V
1
15V
1
2
3
J4
Internal External
Excitation
Break
A
way
1/B3
K5
A2
A1
Middle
Relay
5
9
K5
7
8
K3
S1
X1
X1
S3
Q3
FM
K4
F1
K1
K3
K1
K2
K3
OUT1
OUT2
K4
X1
X1
Y1
K4
K3
F1
X1
X1
OUT
G
COM
4
3
2
1
0.75mm
2
L3
L2
L1
L23
A2
A1
A2
A1
7
2
5
8
2
1
97
98
C2
C1
2
P
6
8
96
95
14
13
2
1
2
1
4
5
2
1
5
4
13
6
7
9
10
3
4
6
5
P
S4
12
14
15
5
4
CN3
11
F
an
Pump
Heat
er
Controller
T
emperature
V
alve
Solenoid
T
imer
3
2
1/B4
1
5
A
C0
A
C1
L22
L21
8
CN2
CN4
CN1
PC(AA-01)
Structure characteristics and working principle
Summary of Contents for STM-W
Page 1: ...Water Heaters STM W Operation Instruction Model STM 910W ...
Page 2: ......
Page 18: ...2 3 STM 304W Series Assembly Drawing Structure characteristics and working principle ...
Page 20: ...2 5 STM 607W 607WR 607W DAssembly Drawing Structure characteristics and working principle ...
Page 23: ...2 7 STM 910W 910WR 910W D Assembly Drawing Structure characteristics and working principle ...
Page 67: ...Electrical Components Layout Structure characteristics and working principle ...
Page 93: ...Electrical Components Layout Structure characteristics and working principle ...