FA 1
Fan configuration output
0 = Not enabled
1 = Always on
2 = ON/OFF regulation with steps
3 = ON/OFF Continuous regulation
4 = Proportional speed control
0 4
FA 2
Fan operating mode
0= Dependent from the compressor
1= Independent from the compressor
0 1
FA 3
Operation time at maximun speed when the fans start 0 250 Sec
FA 4
Phase shifting of the fan motor
0 8
Micro
Sec
250µs
FA 5
Number of condensing circuits
0= one condenser circuit
1= two condenser circuits
0 1
FA 6
Pre-ventilation time before turning on the compressor in chiller mode 0 250 Sec
Fan in Chiller mode
FA 7
Minimum speed for condenser fan in Chiller mode.
To set the minimum fan speed percentage value (30..100%), it is related to the
fan power supply.
30 100 %
FA 8
Maximum speed for condenser fan in Chiller mode.
To set the maximim fan speed percentage value (30..100%), it is related to the
fan power supply.
30 100 %
FA 9 Proportional speed control FA01 = 4
Temperature or pressure limit to enable the minimum speed FA 7
ON/OFF regulation FA01 = 2 / 3
SETpoint step n° 1
-50.0
-58
0.0
0
70.0
158
50.0
725
°C
°F
Bar
Psi
Dec
int
Dec
int
FA 10 Proportional speed control FA01 = 4
Temperature or pressure limit to enable the maximum speed FA 8
ON/OFF regulation FA01 = 2 / 3
SETpoint step n° 2
-50.0
-58
0.0
0
70.0
158
50.0
725
°C
°F
Bar
Psi
Dec
int
Dec
int
FA 11 Proportional speed control FA01 = 4
Proportional band for condenser fan control in chiller
To set the temperature/pressure differential between the minimum and the
maximum of the fan speed regulation.
ON/OFF regulation FA01 = 2 / 3
Differential step circuit n° 1
0.1
1
0.0
0
25.0
45
14.0
203
°C
°F
Bar
Psi
Dec
int
Dec
int
FA 12 Proportional speed control FA01 = 4
CUT-OFF differential in chiller. To set a temperature/pressure differential to stop
the fan.
ON/OFF regulation FA01 = 2 / 3
Differential step circuit n° 2
0.1
1
0.0
0
25.0
45
14.0
203
°C
°F
Bar
Psi
Dec
int
Dec
int
FA 13
Over ride CUT- OFF in chiller.
To set a temperature/pressure differential to keep the minimum fan speed.
0.1
1
0.0
0
25.0
45
14.0
203
°C
°F
Bar
Psi
Dec
int
Dec
int
FA 14
CUT-OFF time delay.
To set a time delay before activating the CUT-OFF function after the fan start-up.
If after the compressor start-up the proportional regulator requires to turn off the
fan (cut-off) and FA14≠0, the fan is on at the minimum speed for the time set in
this parameter. If FA14=0 the function is disabled.
0 250 Sec
FA 15
Night speed in chiller. To set the maximum fan speed percentage value
(30..100%), it is related to the fan power supply.
30 100 %
Fan in Heat pump mode
FA 16
Minimum speed for condenser fan in Heat Pump mode.
To set the minimum fan speed percentage value (30..100%), it is related to the
fan power supply.
30 100 %
FA 17
Maximum speed for condenser fan in Heat Pump mode.
To set the maximum fan speed percentage value (30..100%), it is related to the
fan power supply.
30 100 %
FA 18 Proportional speed control FA01 = 4
Temperature or pressure limit to enable the minimum speed FA16
ON/OFF regulation FA01 = 2/3
SETpoint step n° 1
-50.0
-58
0.0
0
70.0
158
50.0
725
°C
°F
Bar
Psi
Dec
int
Dec
int
FA 19 Proportional speed control FA01 = 4
Temperature or pressure limit to enable the maximum speed FA17
ON/OFF regulation FA01 = 2/3
SETpoint step n° 2
-50.0
-58
0.0
0
70.0
158
50.0
725
°C
°F
Bar
Psi
Dec
int
Dec
int
FA 20 Proportional speed control FA01 = 4
Proportional band for condenser fan control in heat pump
To set the temperature/pressure differential between the minimum and the
maximum of the fan speed regulation.
ON/OFF regulation FA01 = 2/3
Differential step circuit n° 1
0.1
1
0.0
0
25.0
45
14.0
203
°C
°F
Bar
Psi
Dec
int
Dec
int
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