30
Connection for demand and forced stop
■
Connection procedure
Be sure to always turn the power off first when setting up the wire and cable connections.
Failure to do so may lead to electric shock or unit failure.
The demand terminal set up is shown in the following illustration.
DRM1DRM2DRM3 C
DEMAND
Forced
Stop
To the next
System
1
2
1
2
●
Use a shielded cable for the cable connection.
For the shield part of the shielded cable twist the end out, crimp it with a round terminal, and connect it to the SG screw. After crimping
it with a round terminal, wrap it with insulating tape so there are no spaces and adjust it so the shield part does not touch any live parts.
CAUTION
Be sure that the shield part of the shielded cable does not touch the terminal block or any live parts.
Failure to do so may lead to electric shock or fire.
Forced Stop connection for the next system
SG
SG
Outdoor
unit
Forced Stop input (Connect to
fire alarm device, etc.)
Demand controller connection
(field supply)
The next system
outdoor unit
To the next system
outdoor unit
Demand controller connection
(field supply)
Demand controller connection
Connection for next system outdoor unit
(Forced Stop input connection)
Forced Stop input
(Shows the earth for the shielded cable)
SG
SG
Crimp the round
terminal
Shield part
Wrap it well with insulating tape so
there are no spaces.
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