Installation Procedures - Aiphone JOS-1A2 Installation & Operation Manual

INSTALLING EXPANSION MONITOR STATION
When installing the expansion monitor station with the master monitor station A
Install and connect the expansion monitor station between the master monitor station and the door station.
Door station
When adding the expansion master monitor station to an existing system B
When adding the expansion monitor station, remove the master monitor station and install the expansion monitor station to where
the master monitor station has been installed. Install the master monitor station so that the expansion monitor station is between the
master monitor station and the door station.
Expansion monitor station

Installation procedures

Procedure A
Install the door station.
Install the expansion monitor station.
Install the master monitor station.
Turn on power at the master monitor station and the expansion monitor station to check for normal operation.
*1 Refer to WIRING on page 8 for wiring and connection with optional accessories.
*2 When disconnecting wires from the master monitor station, label or mark wires to identify where each wire is connected.
*3 Mounting brackets used for the master monitor station can be used for the expansion monitor station.
Expansion monitor station
Add
Door station
Check the wiring diagram. *1
Master monitor station
→ See Procedure A below.
Move to new place
Master monitor station
→ See Procedure B below.
Procedure B
Turn off the power of the master monitor station
to remove it. *2
Install the expansion monitor station to where
the master monitor station has been installed. *3
Install the master monitor station to a new place.
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