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Connection for demand and forced stop
■ Connection procedures
Be sure to always turn the power off before setting up the wire and cable connections.
Failure to do so may lead to electric shocks or malfunctions.
(Functional earthing)
The demand terminal setup is shown in the following illustration.
Demand controller
connection
Forced Stop input
Outdoor unit
(Functional earthing)
Demand controller
connection
(Local supply)
Forced Stop connection
for the next system
(Functional earthing)
Forced Stop input
(Connect to fire alarm, etc.)
Demand controller connection
(Local supply)
DRM1 DRM2 DRM3 C
Demand
(Functional earthing)
38
Next system
outdoor unit
(Functional earthing)
Connection for the next system outdoor
unit (Forced Stop input connection)
(Functional earthing)
To the next system
outdoor unit
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