1592015820 User manual IC260_261L_D DUO FW1.9 rel. 1.0
Pag. 130 of 149
CO 4
OFF delay time between two compressors or compressor and valve. During this time
the led of the next resource is blinking.
0
250
Sec
CO 5
Output time delay after the main power supply start-up to the unit.
All the loads are delayed in case of frequently power failures.
0
250
10 Sec
10 sec
Capacity Control
CO 6
Functioning (see Capacity Control)
0= With on/off steps
1= Continuous with steps and direct action
2= Continuous with steps and reverse action
3= Continuous with steps and direct total action
0
3
CO 7
Start-up with minimum compressor power / automatic start-unloading valve
0 = Only at the compressor start-up (Minimum power automatic start-unloading valve
off)
1= At the compressor start-up and during the termoregulation (Minimum power /
automatic start-unloading valve off)
2 = Only at the screw compressor start-up (Minimum power automatic start-unloading
valve off)
3= At the compressor start-up and during the termoregulation (Minimum power /
Unloading valve ON with compressor off)
0
3
CO 8
Relay ON time of the Solenoid valve Intermittent for screw compressor, with 0 the
function is not enabled.
0
250
Sec
CO 9
Relay OFF time of the Solenoid valve Intermittent for screw compressor
0
250
Sec
Compressor start-up
CO 10
Kind of compressor start-up
0= Direct ( vedi avviamento compressors )
1= Part - winding
2= Star-delta
0
2
CO 11
If CO10= 1 part - winding start-up time. To change the time delay between the two
contactors of the two compressor circuits.
Se CO10= 2 Star-delta start-up time. To change the time delay between the contactor
of the line 1 and the contactor of the centre of the star. (see part – winding /start-
triangle functioning)
0
100
1/10
Sec
0.1 sec
CO 12
If CO10= 2 Time of Star-delta start. Time delay to turn off the centre star contactor and
to turn on the line 2 contactor (see Star-delta functioning)
0
50
1/10
Sec
0.1 sec
CO 13
By-pass gas valve start-up time / automatic start-unloading valve (capacity step
control)
0
250
sec
Rotating – Balancing – Compressors Thermoregulation
CO 14
Compressor rotation (See compressor rotation)
0 = Sequential
1 = Compressors rotation based on time running hours
2 = Compressors rotation based on number of starts-up
0
2
CO 15
Circuit balancing (See Circuit balancing)
0= Circuit saturation
1= Circuit balancing
0
1
Evaporator water pump
CO 16
Operative mode of the evaporator pump / supply fan (See Evaporator pump function)
0= Not enabled (evaporator pump or supply fan).
1= Continuous. When the unit is running in Chiller or HP the pump or the supply fan is
running.
2= With compressor. When a compressor is running also the pump or the supply fan is
running.
0
2
CO 17
ON compressor delay after water pump / supply fan start-up (See water pump
functioning).
1
250
10 sec
CO 18
OFF delay evaporator water pump / supply fan after compressor switching OFF. This
delay is also active when the unit is turned in stand-by (See evaporator water pump
function).
0
250
Min
CO 19
Number of time running hours for pump rotation (See water pump group function)
0
999
10Hr
10Hr
CO 20
Time to make run the pumps together before rotating from one to the other (See water
pump group function)
0
250
Sec
Condenser water pump
CO 21
Operative mode for condenser water pump (See condenser water pump function)
0= Not enabled.
1= Continuous. When the unit is running in Chiller or HP the is running.
2= With compressor. When a compressor is running also the pump is running.
0
2
CO 22
Free
CO 23
OFF delay condenser water pump after compressor switching OFF. This delay is also
active when the unit is turned in stand-by (See evaporator water pump function).
0
250
Min
CO 24
Number of time running hours for pump rotation (See water pump group function).
0
999
10Hr
10Hr
CO 25
Time to make run the pumps together before rotating from one to the other (See water
pump group function).
0
250
Sec
Load maintenance
CO 26
Compressor 1 operation time to generate maintenance warning
0
999
10 Hr
10 Hr
CO 27
Compressor 2 operation time to generate maintenance warning
0
999
10 Hr
10 Hr
CO 28
Compressor 3 operation time to generate maintenance warning
0
999
10 Hr
10 Hr
CO 29
Compressor 4 operation time to generate maintenance warning
0
999
10 Hr
10 Hr
CO 30
Compressor 5 operation time to generate maintenance warning
0
999
10 Hr
10 Hr
CO 31
Compressor 6 operation time to generate maintenance warning
0
999
10 Hr
10 Hr
CO 32
“Evaporator pump / Supply fan” operation time to generate maintenance warning
0
999
10 Hr
10 Hr
CO 33
2nd Evaporator pump operation time to generate maintenance warning
0
999
10 Hr
10 Hr
CO 34
Condenser pump operation time to generate maintenance warning
0
999
10 Hr
10 Hr
CO 35
2nd Condenser pump operation time to generate maintenance warning
0
999
10 Hr
10 Hr
Pump down
