
Installation Instructions
WARNING
Mind your safety when you are installing the lift phone. You must never
work in an open lift shaft without a safety harness. Be extremely care-
ful or break the current if you have to work close to a voltage of
110 - 400 V, e.g. in the lift engine room. Never disconnect a cable
before you have made sure that it is dead.
Main Unit
1. The main unit is normaly located in the engine-room, with maximum distance to
interference sources.
2. Connecting the 230V-terminal have to be done by an authorized person only.
Please consider your local regulations.
An earth-ground connection is needed for lightning protection only.
The wire should be 1,5 – 2,5 mm2.
3. You have to connect the main unit in a way, that it is powered only if the
firebrigade switch on the system with their special key in the main entry.
Don’t forget that the whole system needs an power backup-system.
4. Every handsfree unit is connected to one of the 3 terminals of the main unit by
an at least 4-wire, shielded cable (e.g. J-Y(St)Y).
A wire diameter of at least 0,6mm have to be used.
Terminal Description
a 2-wire line +
b 2-wire line -
c Power for Amplifier, app. 18 V DC
d Power for Amplifier, Ground
5. All terminals of the main unit has to be connected either to a handsfree unit or
a telephone adapter. Otherwise there is no function!
IMPORTANT
Because the system is realized as one behind the other (in series) all
connections has to be done very carefully. If one connection fails, the
whole system will be failed!
User’s Guide FSP 100
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