trimming potentiometer
terminal board (ST1A / ST1B),
connection of control line
(supply voltage and control signal;
see print on the circuit board)
Layout of circuit board
Terminal ST1A
+UB
GND
Supply voltage
red
blue
Terminal board
(Connection of the control line on the circuit board)
Voltage supply:
Terminal ST1B
V+
V-
PWM
A
B
PWM
-
black
white
-
-
Voltage 0-10V DC
white
black
-
-
-
Internal setting of the
motor speed
-
-
-
-
-
Control signal (setting the motor speed):
Summary of Contents for MD 1
Page 27: ...page 27 of 72 MD 1 MD 1 C US pump with dual voltage motor 4 9 8 7 5 6 3 2 1 2 1 2 1 ...
Page 28: ...page 28 of 72 MD 1 VARIO SP Ensure sufficient venting of the pump 9 5 6 7 10 ...
Page 53: ...page 53 of 72 1 2 1 2 3 15 mm 4 6x size 2 2x 1 ...
Page 54: ...page 54 of 72 4 5 6 20696264 Clean ...
Page 55: ...page 55 of 72 Replacing the diaphragm 7 8 9 1 2 ...
Page 56: ...page 56 of 72 3 10 11 12 Pay attention to number of washers ...
Page 57: ...page 57 of 72 13 14 15 1 2 Pay attention to number of washers ...
Page 58: ...page 58 of 72 Replacing the valves and assembling the pump heads 16 17 18 4x ...
Page 60: ...page 60 of 72 22 23 16 15 24 1 2 Maintain all pump heads in the same way 15 16 mm size 2 2x ...