Thermocouple and Terminal Layout
Technical requirement:
1. Directly introduce positive (+) and negative (-) poles of thermocouple to
thermocouple input terminals on temperature controller instead of going
through terminal board.
2. Directly introduce heater and pump to output end of contactor instead of
going through terminal board.
19
20
K3
-
+
1
2
3
4
5
6
7
8
9
1 2
PE P
2
1
5
PE
P
S3
S4
Y1
2
P
1
3
5
11
2
PE
4 13
14 15
PE
L1
L2
L3
PE
Valve
Solenoid
Overheat
Protector
Switch
Hydraulic
PE
PE PE
X1
PE
PE
PE
PE
Thermocouple
Connect with
contro board
ground wire
Connect door
plate ground
wire
Connect power
supply ground wire
Connect pump ground wire
Connect heater ground wire
Structure characteristics and working principle
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