ABB LME620AI Service Instruction page 12

6.1.1 Actuator versions
Part-turn actuators LME620 are available in two versions:
- PLME620AI (with integrated electronic unit)
- LME620AN (for separate electronic unit)
6.1.1.1 LME620 AI
Fig. 11: LME620AI with dismounted electronic unit
6.1.1.2 LME620AN
Fig. 12: LME620AN with available, separate electronic units
STOP Disconnect the actuator and electronic unit from the mains supply before you start working at the elec-
trical components. Make sure that switching off the actuator does not affect the process!
STOP
6.1.2 Removal of integrated electronic unit
NOTICE If you want to use a faultless running electronic unit for another actuator, it is absolutely necessary to
delete the basic settings of the operating range before you remove it. Press the drive buttons
on the LCP for at least 5 sec. until both LED flash simultaneously.
For the removal proceed as follows:
- switch-off the power supply and disconnect the plug
- loosen the 4 fastening screws (1)
- pull the electronic unit apart
12 Electrical Linear Actuators for Continuous Modulating Control LME620AI / LME620AN (Contrac)
LME120AI
LME620AN
(68d_232)
(68de0039)
plug
EAN823
(d0138rxa)
with plug
electronic unit EAN823
for field installation
Electrical Connection
hood with integrated electronic unit
EAN823
without plug
electronic unit EAS822
for rack installation
1
plug
Fig. 13: LME620AI
(68de0038)
(68d_0228)
and
electronic
unit
43/68-13 EN