CN20, CN34 SERIES DAMPER ACTUATOR FOR MODULATING AND FLOATING CONTROL
EN0B-0341CH33 R0803A
6
Stroke Limitation with Mechanical End Limits
The mechanical end limits enable the stroke to be limited
from 0...90° in increments of 5°.
Wiring
Connecting to the Power Supply
In order to comply with protection class II, the power source of
24 V actuators must be reliably separated from the network
power supply circuits as per DIN VDE 0106, part 101.
Access cover
To facilitate wiring the actuator to the controller, the access
cover can be detached from the actuator.
IMPORTANT
Remove power before detaching the access cover.
Once the access cover has been removed, please
take care to avoid damaging any of the parts now
accessible.
Fig. 12. Access cover(models with internal switches)
Depending upon the model, the access cover may have one
or two terminal strips, including a layout with a description for
each of the terminals.
Fig. 13. Actuator with access cover removed
(
models with internal switches)
OPTIONAL ACCESSORIES
The following optional accessories can be ordered separately.
Auxiliary Switch Kit
Order no.: SW2
S1
S2
S3
A
B
S4
S5
S6
C
D
45
0
90
90
0
A
B
C
D
The auxiliary switches are field-installable parts providing two
SPDT freely-adjustable switches.
SPARE PARTS
Spare Parts Kit
Order no.: A7209.2071
The spare parts kit contains the following items:
•
Anti-rotation bracket and screws
•
Access cover screw
•
Plastic protective cap for protection standard IP54
•
Mechanical end limit screw and retainer
Anti-Rotation Bracket Kit
Order no.: A7209.2073
The anti-rotation bracket kit can be ordered separately.
Contains:
•
10 anti-rotation brackets
•
20
screws
