User manual

1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009
AL 8
Low temperature/pressure alarm with unit in OFF or stand – by:
0 = Not enabled
1= Alarm enabled
0 1
High Alarm
AL 9
High temperature/pressure alarm from analogue input -50.0
-58
0.0
0
70.0
158
50.0
725
°C
°F
bar
psi
Dec
int
Dec
int
AL 10
High temperature/pressure alarm differential from analogue input 0.1
1
0.0
0
25.0
45
14.0
203
°C
°F
bar
psi
Dec
int
Dec
int
Oil Alarm
AL 11
Low oil pressure / level delay from digital input 0 250 Sec
AL 12
Minimum time for low oil pressure / level from digital input activation in normal
working condition.
0 250 Sec
AL 13
Maximum number of low oil pressure/level events:
Always manual reset if AL13= 0
Always automatic reset if AL13 =16
From automatic to manual reset if AL13 = 1..15
0 16
AL 14
Low oil pressure / oil level when the compressor is OFF
0= alarm disabled
1= alarm enabled
0 1
Condenser Flow alarm
AL 15
Condenser water flow configuration
0= Not enabled
1= Enabled only in chiller mode
2= Enabled only in heat pump mode
3= Enabled in chiller and heat pump mode
0 3
AL 16
Condenser flow switch delay after pump activation 0 250 Sec
AL 17
Flow switch activation time to generate the manual condenser flow alarm 0 250 Sec
AL 18
Flow switch activation time to generate the automatic condenser flow alarm 0 250 Sec
AL 19
Flow switch deactivation time to reset the condenser flow alarm 0 250 Sec
Evaporator Flow alarm
AL 20
“Evaporator flow switch / supply fan overload” delay after pump activation 0 250 Sec
AL 21
Flow switch activation time to generate the manual evaporator flow alarm 0 250 Sec
AL 22
“Evaporator flow switch / supply fan overload” activation time to generate the
automatic alarm
0 250 Sec
AL 23
“Evaporator flow switch / supply fan overload” deactivation time to reset the
alarm
0 250 Sec
Compressor overload alarm
AL 24
Compressor overload alarm delay after compressor start-up 0 250 Sec
AL 25
Maximum number of compressor overload alarm per hour
Always manual reset if AL20 = 0
Always automatic reset if AL20 =16
From automatic to manual reset if AL20 =1..15
0 16
AL 26
Enable compressor overload if compressor is deactivated
0= compressor overload alarm disabled
1= compressor overload alarm enabled
0 1
AL 27
Compressor overload alarm operation
0= swith off only the compressor
1= switch off the circuit
0 1
Pump down alarm
AL 28
Maximum number of pump down alarm events per hour in stop condition. After
this number the alarm is logged, displayed and signalled with alarm relay +
buzzer.
Always manual reset if AL28 = 0
Always automatic reset if AL28 =16
From automatic to manual reset if AL28 =1..15
0 16
AL 29
Maximum number of pump down alarm events per hour in start-up condition.
After this number the alarm is logged, displayed and signalled with alarm relay +
buzzer.
Always manual reset if AL29 = 0
Always automatic reset if AL29 =16
From automatic to manual reset if AL29 =1..15 and parameter AL30 config.
0 16
AL 30
Select if the pump down alarm must change from automatic to manual reset:
0= Always automatic reset
1= Manual reset after AL29 alarm events
0 1
Anti-freeze alarm in Chiller mode
AL 31
Minimum antifreeze setpoint in chiller -50.0
-22
AL32
°C
°F
Dec
int
AL 32
Maximum antifreeze setpoint in chiller
AL31
70.0
158
°C
°F
Dec
int