Control Circuit
Structure characteristics and working principle
Fan
Pump
Heater1
Heater2
Controller
T
emperature
T
imer
Excitation
Break
A
way
Middle
Relay 2
K4
A2
A 1
5
X1
P
S4
2
X1
K7
9
5
4
5
1
A 1
A 2
K3
A 1
A2
1
2
Y1
1
2
2
7
K6
X1
X1
4
3
S2
4
5
1
2
6
5
K6
K6
17
16
18
23
21
22
19
14
13
12
OUT1
OUT2
5
8
K5
6
8
K5
96
21
22
F1
95
1
3
4
5
K1
K5
K2
A2
A 1
K7
S1
K2
A2
A 1
X1
X1
1
2
Y3
22
21
S5
8
K1
3
11
12
K8
9
4
10
K8
5
9
7
X1
X1
P
2
S3
C2
C1
Q2
Y2
X1
X1
2
1
F1
6
97
98
A2
A1
K8
15
FM
2
0.75mm
CN3
PC ( AA - 0 1)
OUT
G
COM
3
2
1
AC1
AC0
L3
L2
L1
4
CN2
CN1
CN4
1
2
3
J1
1
2
3
J2
NO ALM
ALM
230V
1
15V
1
2
3
J4
Internal External
14
13
K1
1/B3
1/B3
1/B2
1/B2
1/B2
L13
L12
L1
1
9
10
K6
ALM1
20
Drain
Solenoid
V
alve
Reversion
Drain
Cool
Solenoid
V
alve
Middle
Relay 1
T
urn
Into
Solenoid
V
alve
T
ype 3 temp.
Setting: 5
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