Panasonic U-8ME2R8 Installation Instructions Manual page 34

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.
Outdoor unit
(Functional earthing)
Forced Stop connection
for the next system
Forced Stop input
(Connect to fire alarm, etc.)
Demand controller connection
(Local supply)
Demand controller
connection
Forced Stop input
Next system
outdoor unit
Demand controller
connection
(Local supply)
(Functional earthing)
(Functional earthing)
DRM1 DRM2 DRM3 C
Demand
Connection for the next system outdoor
unit (Forced Stop input connection)
(Functional earthing)
34
(Functional earthing)
To the next system
outdoor unit