User manual

1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009
Pg.94/114
dF 18
Pressure / temperature setpoint to force the ventilation ON during the defrost. -50.0
-58
0.0
0
70.0
158
50.0
725
°C
°F
bar
psi
Dec
int
Dec
Int
Forced defrost
dF 19
Minimum time delay before a forced defrost 0 250 sec
dF 20
Pressure / temperature setpoint for a forced defrost -50.0
-58
0.0
0
70.0
158
50.0
725
°C
°F
bar
psi
Dec
int
Dec
int
dF 21
Forced defrost differential 0.1
1
0.0
0
25.0
45
14.0
203
°C
°F
Bar
Psi
Dec
int
Dec
int
Defrost operative mode
dF 22
Defrost start-up in unit with 2 circuits
0= Independent
1= If both have reached the necessary requirements
2= If one has reached the necessary requirements
0 2
dF 23
End defrost in unit with 2 circuits and common ventilation
0= Independent
1= If both have reached the necessary end defrost requirements
2= If one has reached the necessary end defrost requirements
0 2
Start / stop defrost from analog input
Parameters description min max udm resolution
dF 24
Start / stop defrost probe
0= start and stop with condenser temperature / pressure probe
1= start with evaporator pressure probe / stop with condenser temperature /
pressure probe
2= start with condenser temperature / pressure probe / stop with evaporator
pressure probe
3= start and stop with evaporator pressure probe
0 3
Supply fan functioning during defrost cycle
dF 25
Set point to enable defrost with condenser fan -50.0
-58
70.0
158
°C
°F
Dec
int
Defrost with condenser fan
dF 26
Supply fan status during the defrost cycle
0= Enabled
1= Not enabled
0 1
Minimum temperature water outlet during defrost
dF 27
Probe selection for minimum temperature outlet during defrost 0 6
dF 28
Set point for minimum temperature outlet during defrost -50.0
-58
0.0
0
70.0
158
50.0
725
°C
°F
bar
psi
Dec
int
Dec
int
Pr1
Password 0 999
Pr2
Password 0 999
Pr3
Password 0 999
Alarms
Parameters Description min max m. u. Resolution
Low alarm
AL 1
Low pressure alarm delay from analog and digital input 0 250 Sec
AL 2
Low pressure alarm delay if the low pressure switch is used for the pump down.
AL02= 0 low pressure alarm not enable during compressor switching off from
pump down and if compressor OFF
AL02≠ 0 low pressure alarm enable after AL02 (starting from compressor switch
off) time with compressor OFF
0 250 Sec 10 Sec
AL 3
Low pressure alarm setpoint from analogue input -50.0
-58
0.0
0
70.0
158
50.0
725
°C
°F
bar
psi
Dec
int
Dec
int
AL 4
Low 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
AL 5
Maximum number of low pressure events from digital/analogue inputs:
Always manual reset if AL05 = 0
Always automatic reset if AL05 =16
From automatic to manual reset if AL05= 1..15
0 16
AL 6
Low temperature/pressure alarm during defrost
0= Not enabled
1= Enabled
0 1
AL 7
Low temperature/pressure alarm delay during defrost 0 250 Sec