Tuttnauer E Series - 7. TEST POINTS

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7. TEST POINTS
The test point list provides testing points on the junctions on board to assist in
locating the malfunction.
NU TP FUNCTION VALVE
TP1
GND

TP2
+5V DC

TP3
+12V DC

TP4
OUT - HEATERS ‘0’V-Off 5V-On
TP5
 
TP6
 
TP7
OUT-AIR-VALVE 0V-Off 5V-On
TP8
OUT-EXH-VALVE 0V-Off 5V-On
TP9
OUT-WATER-VALVE 0V-Off 5V-On
TP10
OUT-DRY-VALVE 0V-Off 5V-On
TP11
OUT-DOOR-VALVE 0V-Off 5V-On
TP12
 
TP13
 
TP14
 
TP15
 
TP16
 
TP17
 
TP 18
 
TP19
 
TP20
 
TP21
IN-TEMPERATURE
0÷2.5V
TP22
 
TP23
 
TP24
IN-PRESSURE
0 ÷2.5V
TP25
 
TP26
IN-ELECTR. 2.5V NO WATER