EVCO c-pro nano CHIL User Manual
Page 74
![background image](/manuals/675457/74/background.png)
C-PRO NANO CHIL AND C-PRO MICRO CHIL – APPLICATION MANUAL
Pag. 74
PP07
Shutdown of pump / recirculating fan during
defrosting
No (1)
No (0)
Yes (1)
IS-P
PP08
Difference in operating hours between the two
pumps, requiring their being swapped.
4
1
240
Hours
IS-P
PP09
Pump operating time at low water flow (flow
alarm)
15
0
999
Sec.
IS-P
PP10
Pump operating time at low temperature of
outflow water (anti-frost alarm)
15
0
999
Sec.
IS-P
PP11
Hot start enabling of recirculating fan
Yes (1)
No (0)
Yes (1)
-
IS-P
PP12
Hot start set point of recirculating fan
36.0
0.0
70.0
°C
IS-P
PP13
Hot start differential of recirculating fan
4.0
0.1
10.0
°C
IS-P
ANTI-FROST PARAMETERS
Pr01
Enabling of anti-frost heating elements
Yes (1)
No (0)
Yes (1)
IS-AF
Pr02
Anti-frost heating element set point
5.0
Pr11
10.0
°C
IS-AF
Pr03
Anti-frost heating element differential
2.0
0.1
10.0
°C
IS-AF
Pr04
Forcing of anti-frost heating elements with
probe error
No (0)
No (0)
Yes (1)
IS-AF
Pr11
Anti-frost alarm threshold
3.0
-30.0
Pr01
°C
IS-AF
Pr12
Anti-frost alarm differential
2.0
0.1
10.0
°C
IS-AF
FREE-COOLING PARAMETERS
PS01
Enabling of free-cooling
No (0)
No (0)
Yes (1)
IS-FC
PS02
Shutter modulation band
3.0
0.1
20.0
°C
IS-FC
PS03
Fan minimum speed
0.0
0.0
PS04
%
IS-FC
PS04
Fan maximum speed
100.0
PS03
100.0
%
IS-FC
PS11
W/Temp-A/Temp differential for free-cooling
activation
3.0
2.0
9.9
°C
IS-FC
PS13
W/Temp-A/Temp hysteresis for free-cooling
activation
2.0
0.5
5.0
°C
IS-FC
PS14
Free-cooling activation min. time
30
0
240
Sec.
IS-FC
PS15
ON/OFF valve hysteresis
0.5
0.1
5.0
°C
IS-FC
PS16
Max. threshold for motor-operated valve
opening
2.0
0.1
PS02
°C
IS-FC
PS21
Enabling of free-cooling when compressors
are ON
Yes (1)
No (0)
Yes (1)
IS-FC
ALARM PARAMETERS
PA01
Flow alarm delay from machine start-up
10
1
999
Sec.
IS-S
PA02
Flow alarm by-pass time during normal
operation
1
1
999
Sec.
IS-S
PA03
Number of triggered flow alarms with auto-
reset before the alarm becomes manual
3
0
9
IS-S
PA04
Delay interval for notification of probe error
10
0
240
Sec.
IS-S
PA05
High-temperature alarm threshold during
summer operation (chiller)
30.0
10.0
40.0
°C
IS-S
PA06
Low-temperature alarm threshold during
winter operation (heat pump)
15.0
10.0
40.0
°C
IS-S
PA07
Triggering delay for temperature alarm
30
1
999
Sec.
IS-S
PA08
Consequent time for a temperature alarm:
0 = Notification only
1 = Machine stop
0
0
1
Sec.
IS-S
PA09
Reset differential for temperature alarm
0.5
0.1
10.0
°C
IS-S
PA10
Temperature alarm inhibition interval from
system start-up
15
0
999
Sec.
IS-S
PA11
Low-pressure alarm threshold during winter
operation (heat pump)
3.0
0.1
9.9
Bar
IS-S
PA12
Low-pressure alarm reset differential during
winter operation (heat pump)
1.0
0.1
4.0
Bar
IS-S
PA13
Low-pressure alarm by-pass interval from
start-up of first compressor
120
0
999
Sec.
IS-S
PA14
Number of triggered low-pressure alarms with
auto-reset before the alarm becomes manual
3
0
5
IS-S