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USER MANUAL – Release 1.2 of 01/01/2010
Page 29 of 191
Version: 02/03/2010
Compressors rotation – balancing – temperature control
CO 16
Selection criteria for compressors in the circuit
0 = Fixed sequence
1 = FIFO
2 = Balance
3 = Saturation
4 = Weight of the compressors
0
4
CO 17
Criteria of selection for circuits
0 = Fixed sequence
1 = FIFO
2 = Balance
3 = Saturation
4 = Weight of the compressors
0
4
CO 18
Balance/saturation criteria
0= Hours
1= Starts
0
1
Temperature control of compressors with different cooling capacity
CO 19
Compressor n° 1 weight
0
100%
CO 20
Compressor n° 2 weight
0
100%
CO 21
Compressor n° 3 weight
0
100%
CO 22
Compressor n° 4 weight
0
100%
CO 23
Compressor n° 5 weight
0
100%
CO 24
Compressor n° 6 weight
0
100%
CO 25
Compressor n° 7 weight
0
100%
CO 26
Compressor n° 8 weight
0
100%
CO 27
Compressor n° 9 weight
0
100%
CO 28
Compressor n° 10 weight
0
100%
CO 29
Compressor n° 11 weight
0
100%
CO 30
Compressor n° 12 weight
0
100%
CO 31
Compressor n° 13 weight
0
100%
CO 32
Compressor n° 14 weight
0
100%
CO 33
Compressor n° 15 weight
0
100%
CO 34
Compressor n° 16 weight
0
100%
CO 35
Maximum n° of compressor starts after 15 minutes ON
0 = function disabled
0
15
Resources management in proportional/neutral zone working mode
CO 36
Maximum time without activation of resources with at least one resource
active
0
250
Min
10 Min
CO 37
Maximum time in neutral zone without rotation of the resources
0
999
Hr
1Hr
Compressor in tandem forced rotation function
CO 38
Maximum continuous working time for individual compressor in the circuit
0
250
Min
Compressor with modulating control
CO 39
Compressor working time at maximum speed from temperature control
demand
0 = function disabled
0
250
secs
CO 40
Minimum value for the 0÷10V digital scroll analogue output at start
0
100
%
CO 41
Power implementation interval at start
1
250
secs
CO 42
Minimum continuous working percentage of the modulating compressor under
which the CO64 time count starts
0 = function disabled
0
100
%
CO 43
MAX continuous modulating compressor working time with capacity
percentage lower than C063
0 = function disabled
0
250
Min
10 Min
CO 44
Forced working time at maximum speed
0
250
secs
10sec
CO 45
Maximum continuous modulating compressor working time after which the
modulating compressor is switched off and the activation of another
compressor is forced according to rotation strategy
0 = function disabled
0
999
Hr
1Hr
CO 46
Circuit n° 1 minimum value for the 0÷10V digital scroll output n° 5
0
CO65
%
CO 47
Circuit n° 1 maximum value for the 0÷10V digital scroll output n° 5
CO64
100
%
CO 48
Circuit n° 2 minimum value for the 0÷10V digital scroll output n° 6
0
CO67
%
CO 49
Circuit n° 2 maximum value for the 0÷10V digital scroll output n° 6
CO66
100
%
CO 50
Power implementation interval in normal conditions
1
250
secs
Compressors liquid injection function
CO 51
Liquid injection solenoid valve activation set-point
-50
-58
150
302
°C
°F
Dec
int
CO 52
Liquid injection solenoid valve deactivation differential
0.1
0
25.0
45
°C
°F
Dec
int
Loads maintenance
CO 53
Compressor 1 maintenance period (see maintenance request function
chapter)
0
999
10 Hr
10 Hr
CO 54
Compressor 2 maintenance period
0
999
10 Hr
10 Hr
CO 55
Compressor 3 maintenance period
0
999
10 Hr
10 Hr
