Installation, Wall mounting installation, Wiring – Aiphone MID-POWER MP-3S User Manual
Page 2: Installation hints
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INSTALLATION;
Do not attempt to install your intercom system until you read and thoroughly understand the installation procedure.
Aiphone’s warranty is void if system is installed in a manner other than described in this manual.
BACK VIEW
Cover (do not open except for repair purposes).
Terminal blocks;
1, 2, 3 ; for sub station
E
; for common communication
+, — ; for power supply
@ Volume control for call tone. Adjust with screw
driver to desired level.
WALL MOUNTING INSTALLATION;
1) Attach mounting bracket to wall or box with supplied
screws.
2) Mount station on mounting bracket.
WIRING;
Two conductors are required from master to each sub. Connect 1 and E terminals on master to 1 and E terminals on
sub #1, 2 and E terminals on master to 1 and E terminals on sub #2, etc.
Refer to the chart below and select the proper wire gauge to meet your requirements.
AWG WIRE SIZE
22 AWG
20 AWG
18 AWG
DISTANCE
330'
500'
720'
DIAMETER OF WIRE
0.65 mm
0.8 mm
1.0 mm
DISTANCE
100 m
150 m
220 m
INSTALLATION HINTS;
* The wiring is not polarized. Use single pairs from master station to each sub station.
* Do not use common pairs from sub station to sub station.
* Use Aiphone’s NP-B for a call-in switch. Please see wiring diagrams for each connection.