Advertisement
INSTALLATION DIAGRAM
O
ne access door.
TF-104
PRI
~
~
Main
PE-292/AL
CV
CV
2
1
S
ections chart.
~, ~, CV, 1, 2
TROUBLESHOOTING HINTS
Nothing operates.
Check the output transformer voltage between SEC terminals: it should have 12 to 17Va.c. If
not, replace the transformer.
Some of the installation wires are disconnected.
If only the door open function is working, wires connected to 1 and 2 terminals are inverted.
Inappropriate audio level.
Adjust the level volumes as shown on page 3. In case of feedback, reduce the audio levels
until feedback fade out.
The telephone continuously rings, there is no audio and the lock release cannot be activated.
Wires 1 and 2 are shortcircuited.
T-920 or T-922
T-922 telephone
additional push button
SEC
~
~
~
~
1 2
S+
S-
3 4
Maximum load
200mA / 48Vd.c.
Maximum distance
Terminal
100m.
1,00mm²
5
Advertisement
