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Siemens SQM53.467R2A3 기술 지침
Technical Instructions
Document No. 155-517P25
July 9, 2007
Reversing Rotational
Direction, Continued

Shaft Installation

Preparation Before

Circuit Board Installation

AGA56.41/42/43

Circuit Board
Installation
Page 20
8. Firmly tighten the black potentiometer cam attachment screw while manually
holding the potentiometer position indication pointer in alignment. Check the
alignment again.
9. Re-install the white actuator-indicating dial by gently pressing it onto the
potentiometer cam attachment screw. Align scale position "0" on the actuator
position indicating dial with the dial pointer by rotating the dial in the clockwise
direction to avoid loosening the potentiometer cam attachment screw.
See Installation and Operation Instructions.
WARNING:
Disconnect the power supply to the actuator before replacing the circuit
boards.
The black circuit board mounting
bracket, installed on the inside base of
the SQM5... actuator has four vertical,
slotted circuit board supports. Remove
the terminal section and circuit board(s)
from the mounting bracket.
The actuator motor capacitor is
attached to the lower section of the gray
plastic switch housing using snap-on
holding clips. Gently pull the capacitor
forward until it unclips and temporarily
place it on top of the gear housing. See
Figure 18.
CAUTION:
Do not disconnect any capacitor wiring.
1. Remove the AGA56.41/42/43...
circuit board from the packaging. The
circuit board is shipped as one board.
2. Separate the board at the perforation
by holding the circuit board at both
ends and gently bending the board
until it separates.
3. Move the terminal section containing
the auto/manual switch to the
opposite end of the base circuit
board.
4. From the switch housing side of the
actuator, guide the base circuit board
into the bottom of the circuit board
mounting bracket. See Figure 19.
SQM5... Reversing Actuators
CAPACITOR
Figure 18.
TERMINAL
SECTION
BASE
CIRCUIT
BOARD
Figure 19.
Siemens Building Technologies, Inc.