1592015820 User manual IC260_261L_D DUO FW1.9 rel. 1.0
Pag. 54 of 149
Compressor in neutral zone
Par. CO53
Maximum time of work in neutral zone without insert resource
When the temperature is inside the neutral zone, a timer is activated (parameter CO53); when this time is
elapsed, the Ichill switch on all the compressor to avoid an stationary situation.
If the parameter value is 0 the function is non activated.
Par. CO54
Maximum time of work in neutral zone without rotation resource
When the temperature is inside the neutral zone and only one compressor is ON, a timer is activated
(parameter CO54); when this time is elapsed, the Ichill switch off the compressor and swith on an available
compresso.
If the parameter value is 0 the function is non activated.
21. COMPRESSORS MANAGEMENT
21.1 Compressors Start- Up
The parameter CO10 defines the compressor start-up:
CO10=0 direct
CO10=1 part winding
CO10=2 star-delta
Direct Start- Up
It is necessary to configure one relay to drive the contactor of the compressor.
EXAMPLE
Direct start up configuration for one compressor
Set the parameter CF54 = c39
direct start-up RL1 compressor 1
