Table of Contents
Advertisement
When connecting the demand controller input
It is possible to choose various demand levels.
See the table shown on the right.
DRM1DRM2DRM3 C
DEMAND
SG
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.
DRM1DRM2DRM3 C
DEMAND
1
2
1
2
Forced
To the next
Stop
System
Terminal block
1
2
1
2
Forced
To the next
Stop
System
SG
Termrial no. for
demand section
DRM3
DRM2
DRM1
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.
Current input is DC 24 V 10 mA
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
Relay contact point: No voltage relay
Terminal block
31
Description
Approx. 75% of rated power input
Approx. 50% of rated power input
Compressor off
DRED (Demand controller)
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.
Advertisement
Table of Contents
