Demand Control; Pump Down Operation By Cn-S - Panasonic CS-RZ35WKRW Service Manual

14.14 Demand Control


When the air-conditioner connected to Demand Response Enabling Devices (DRED), the power consumption
especially during peak hours could be controlled.

Three Demand response modes (DRM) are available
DRM1 = Compressor cut off
o
DRM2 = Operate at 50% of rated input power
o
DRM3 = Operate at 75% of rated input power
o

During DRM, the Power Indicator blinks (3 seconds ON and 0.5 seconds OFF) to indicate the compressor cut off
status.

14.15 Pump down Operation by CN-S


A convenience method to activate pump down operation.

Control start condition:
During power standby condition, short CN-S continuously between 1 second and 10 seconds.
o

Control stop condition:
480 seconds after pump down operation starts.
o
CN-S is shorted again during pump down operation.
o
Relay 1
Relay 2
Relay 3
DRED AIR-CONDITIONER
102
DRM1
DRM2
DRM3
COM