When Connection To The Forced Stop Input; When Connecting The Demand Controller Input - Panasonic R410A Service Manual

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When connection to the forced stop input

With the Forced Stop input, it is possible to override the air conditioning operation to force a stop if a signal is received from a fire alarm
device, etc.
SG

When connecting the demand controller input

It is possible to choose various demand levels.
Refer to the table shown on the right.
SG
Connect the wiring (2-wire) to points 1 and 2 on the left side of
the terminal block.
The shield part of the shielded cable is connected with SG
under the terminal block.
Secure the wiring with the cord clamp located on the lower part
of the terminal block.
Fire alarm device
Terminal block
Termrial No. for
demand section
Connect the wiring (4-wire) to the Demand section (DRM1,
DRM2, DRM3, C) on the terminal block.
The shield part of the shielded cable is connected with SG
under the terminal block.
Secure the wiring with the cord clamp located on the lower part
of the terminal block.
Terminal block
1-66
Relay contact point: No voltage relay
Current input is DC 24 V 2 mA
Use a very small electric current contact
point for the relay.
Description
DRM3 Approx. 75% of rated power input
DRM2 Approx. 50% of rated power input
DRM1 Compressor off
DRED (Demand controller)
Relay contact point: No
voltage relay
Current input is DC 24 V 10 mA