DAITEM 221-21 Series Manual page 105

Overview of closing and opening distances between the universal transmitter and the magnet
used by the built-in contact to analyse any change in entrance status.
Movement
Spacing (1)
Vertical sliding (1)
Horizontal sliding (1)
(1) The distance between the built-in contact and the magnet when the entrance is closed must be 5 mm
max.
5 mm
max.
Magnet holder
Built-in contact closing and opening distances
Contact
status
Wooden support
opening 15 mm
closing 7 mm
opening 35 mm
closing 28 mm
from right to left from left to right
-
©
opening 9 mm 16 mm
closing 7 mm 14 mm
5 mm
max.
Spacer
Soft iron support
13 mm
11 mm
22 mm
20 mm
from right to left from left to right
© © ©
10 mm 14 mm
7 mm 12 mm
5 mm
max.
Wooden or plastic
spacer
7.2 Fixing and connecting the external
contact(s)
Flush or surface-mounted encapsulated
cable normally closed contact
• NC loop with anti-tamper protection
against loop cutting:
- yellow and red wire: anti-tamper loop,
- green and blue wire: detection loop.
yellow
AT1/AT2
red
C1/C2
green
L1/L2
blue
• NC loop without anti-tamper protection
against loop cutting:
AT1/AT2
black
C1/C2
red
L1/L2
• Surface mounting (NC): contact and
magnet to be screw-fixed and aligned
(using spacers if necessary).
• Flush-mounting:
- drill a hole in the doorframe and door with
an 8 mm diameter and 30 mm deep.
- check that the contact and magnet are
opposite each other,
- drill a hole in the frame for the wire to
pass through.
105