User manual

CFI EXTEL EASY BUS 3 & CB BUS 3 - 07/2016
GB3
5. Replace the front plate and secure it by replacing the 2 screws at the bottom of the outdoor station (1).
Make sure to position the front panel in the notches located at the top of the outdoor station.
Important:
Do not put screws into the microphone hole (g.2b-4)
Insert a silicon seal on the upper half between the intercom panel and the wall (g.3-5)
Do not use acetic acid based silicone (vinegar smell).
Do not install a silicon seal on the lower part to avoid any condensation resulting in premature oxidation of the
electronics.
b. Mounting the handset (g. 4a and 4b)
- Remove the handset cover by prising it open with a at-head screwdriver
- Attach it to the wall using the 4 screws, passing the wires through the opening provided (Fig. 4b)
- Connect the various wires, as shown on the wiring diagram (g. 5)
- Clip the cover back onto the handset
- Adjusting the ring volume: Slide the two-position switch on the side of the handset to select high or low ring
volume (g. 2a-3).
c. Installing the transformer
- Attach the transformer to a DIN rail in a modular fusebox or to a flat surface using the two black lugs clipped to
the sides of the power supply.
SAFETY INSTRUCTIONS
The transformer must be mounted to a DIN rail in a modular fusebox or surface-mounted on a non-metal
surface using the two mounting holes. The terminal block covers must be tted. The unit should be connected
to an electrical installation meeting applicable standards (NFC 15-100 for France) AFTER WIRING IS COM-
PLETELY FINISHED.
It is essential to ensure that the poles are correctly matched when connecting the handset.
5. WIRING
See the wiring diagram (g. 5)
a. Connecting the interphone
In order to prevent interference and malfunction, never include “low-current” cables in the same sheath as
high-power cables.
1. Connect the wires as shown in the connection plan.
2. To connect the street plate, two wires are needed for the functions: calling, communication and opening com-
mands.
Distance between the intercom panel and
the last handset
Wires to be used
• From 0 to 25m 2 wires 6/10e
• From 25 to 100 m 2 wires1.5 mm
2
Warning: never double up wires in order to increase their calibre.
Connecting the handset to the outdoor station of the kit:
• Terminal “3” and “4” of the handset to the terminal “3” and “4” of the outdoor station.