TECHNICAL SERVICE MANUAL FOR KEMPOWELD
A002 WATER COOLING UNIT
1. + 24 V over the capacitor C5
2. + 15 V over the capacitor C6
3.
START TP 1 => 15 V
4.
PRESSURE SWITCH pin X2/1 to GND; 0V pressure OK, 24 V no pressure
5.
THERMAL PROTECTION between pins X2/3 and X2/6; 0.1 V - 0.3 V normal
temperature, over temperature over 3V
6.
PUMP TIMER; TP 3 on > 5 V
off < 1 V
TP 18 on ≈ 0.6 V
off < 0.2 V
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