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3FC F21
Velux 3FC F21 User Manual
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10 VEL
UX
®
2
1
3
25
4
1
LINK
DET
.
2
1
DET
.
2
1
N
L
N
L
PE
N
L
230V
230V
ALARM
MOT
OR 2
MOT
OR 1
230V/50Hz
24V
H
I
M
M
230 V
50 Hz
B
A
C
A
Mains
connection
1
9
B
Mot
or
1
14-1
5
C
Mot
or
2
14-1
5
D
Smoke
detector
11
E
Rain
sensor
12
F
Ventil
atio
n swi
tc
h
1
3, 2
5
G
Break-glass
point
10
H
Alarm signals
23-24, 27
-
28
I
Link
24
J
Rain signal -
output
26
Overview of printed circuit board
9
11
Table of Contents
Table of Contents
3
Important Information
4
Contents of Packaging
8
Overview of Printed Circuit Board
10
Break-Glass Point KFK 100
12
Smoke Detector KFA 100
13
Rain Sensor KLA 200
14
Ventilation Switch KFK 200
15
Motor Terminals
16
Wiring
17
Setting of Switches
18
Operation of and Signals from Control Unit
20
Back-Up Batteries
21
Mains Connection
22
Status and Error Indication in Control System
23
Connected Control Units
26
Transmit Alarm from One Control Unit KFC to Another
26
Receive and Transmit Error Indications from One Control Unit KFC to Another
27
Ventilation Switch
28
Rain Sensor
29
Receive Alarm from a Primary, External Control System
30
Transmit Alarms or Error Indications to Other External Equipment
31
Replacement of Frame in Control Unit
32
Technical Data
33
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Velux 3FC F21 Specifications
General
Brand
Velux
Model
3FC F21
Category
Control Systems
Language
English
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