User manual

1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009
Pg.96/114
AL 33
“Antifreeze / low ambient temperature (air / air unit) / low temperature air outlet
(air/air)” alarm setpoint temperature
AL31 AL32 °C/°F Dec/int
AL 34
“Antifreeze / low ambient temperature (air / air unit) / low temperature air outlet
(air/air)” alarm differential temperature
0.1
1
25.0
45
°C
°F
Dec
int
AL 35
Alarm delay for anti-freeze, low ambient air temperature or low outlet air
temperature
0 250 Sec
AL 36
Maximum number anti-freeze, low ambient air temperature or low outlet air
temperature alarm in chiller
Always manual reset if AL36 = 0
Always automatic reset if AL36 = 16
From automatic to manual if AL36 = 1. .15
0 16
AL 37
Anti-freeze alarm configuration in chiller
0= when the antifreeze alarm is activated the compressors are switched off; the
display shows the alarm label, the buzzer and alarm relay are not activated
1= when the antifreeze alarm is activated the compressors are switched off; the
display shows the alarm label, the buzzer and alarm relay are activated, the
antifreeze heathers are acivated
0 1
AL 38
Probe selection for antifreeze alarm in chiller mode
0= disabled
1= evaporator inlet temperature
2= evaporator 1 / 2 outlet temperature
3= evaporator 1 / 2 outlet temperature and common outlet temperature
4= external air temperature
0 4
AL 39
Probe selection for condenser antifreeze alarm
0= disabled
1= condenser common inlet temperature
2= condenser 1 / 2 inlet temperature and common inlet temperature
3= condenser 1 / 2 outlet temperature
4= condenser 1 / 2 outlet temperature and common outlet temperature
0 4
Anti-freeze alarm in Heat pump mode
AL 40
Minimum limit of the setpoint in heat pump mode -50.0
-58
AL39
°C
°F
Dec
int
AL 41
Maximum limit of the setpoint in heat pump mode
AL38
70.0
158
°C
°F
Dec
int
AL 42
Anti-freeze alarm setpoint in heat pump
Setpoint temperature for low anti-freeze alarm, low ambient temperature (air/air),
low temperature air outlet (air/air)
AL31 AL32 °C/°F Dec/int
AL 43
Differential of anti freeze alarm in heat pump mode. To reset the anti-freeze, low
ambient Temperature (air/air), low temperature air outlet (air/air) alarms.
0.1
1
25.0
45
°C
°F
Dec
int
AL 44
Antifreeze alarm delay (low outlet temperature for air/air unit) at the stert up in
heat pump mode
0 250 Sec
AL 45
Anti-freeze alarm delay for low air ambient temperature or low outlet air
temperature in heat pump normal condition.
0 250 Sec
AL 46
Maximum number of anti-freeze alarm events for low air ambient temperature or
low outlet air temperature in heat pump. It sets the alarm reset condition:
Always manual reset AL46 = 0
Always automatic reset AL46 = 16
From automatic to manual reset if AL46 = 1..15
0 16
AL 47
Anti-freeze alarm configuration in heat pump
0= to turn the compressors off when the anti-freeze control probe is lower than
AL33 (after the time delay), the display shows the alarm label.
Buzzer and Alarm relay are not activated.
1= to turn the compressors off when the anti-freeze control probe is lower than
AL33 (after the time delay), the display shows the alarm label.
Buzzer and Alarm relay are activated.
0 1
AL 48
Probe selection for antifreeze alarm in heat pump mode
0= disabled
1= evaporator inlet temperature
2= evaporator 1 / 2 outlet temperature
3= evaporator 1 / 2 outlet temperature and common outlet temperature
4= external air temperature
0 4
Compressor high discharge temperature
AL 49
Compressor high discharge temperature setpoint 0
0
150
302
°C
°F
Dec / int
int
AL 50
Compressor high discharge temperature differential 0
0
25.0
45
°C
°F
Dec
int
AL 51
Number of compressor high discharge temperature events per hour to determine
the alarm reset condition:
Always manual reset if AL51 = 0
Always automatic reset if AL51 =16
From automatic to manual if AL51 = 1..15
0 16
Generic alarm 1