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Motorized Linear Actuator
● Fix the potentiometer with the Torx T20 button screw (Fig. 6, below)
● Lay the wiring between motor and terminal block assembly and wire the potentiometer
up: terminal 91 = red, terminal 92 = brown, terminal 93 = blue (Fig. 7, below).
Trim the ferrules if necessary.
● Secure the wiring with cable ties.
Fig. 6:
Fixing the
potentiometer
6.2 Fitting 2 additional, travel-dependent limit switches (2EZ)
Set consists of:
● 1x pinion
● 1x 2EZ assembly
● 3x Torx T10 button screws
Table 4.
Number of gear teeth in 2EZ assembly depending on valve stroke
Valve stroke
Number of teeth, pinion
Number of teeth, gear
Fig. 8:
Pinion
● Fit the pinion into the white plastic insert on the actuator so that the raised part in the
base of the insert fits into the slot on the lower end of the pinion (Fig. 8).
● Take a look at where the pinion fits into the underside of the 2EZ assembly (Fig. 10).
W. Baelz & Sohn GmbH & Co. · Koepffstrasse 5 · 74076 Heilbronn · Germany · www.baelz.de
Fig. 7:
12
z = 11
z = 65
Fig. 9:
2EZ assembly
baelz 373-E07
Wiring the
Potentiometer
16
z= 9
z = 67
Fig. 10: Pinion fits here
22
z = 7
z = 68
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