EVCO c-pro nano CHIL - Manual (Page 71)

C-PRO NANO CHIL AND C-PRO MICRO CHIL – APPLICATION MANUAL
Pag. 71
start-ups of the same compressor.
PC07
Min. time which must elapse between start-
ups of two different compressors.
10 0 999 Sec. IS-C
PC08
Min. time which must elapse between
shutdowns of two different compressors.
20 0 999 Sec. IS-C
PC09
Max. number of start-ups for every hour (only
for adaptive regulation).
8 4 12 IS-C
PC10
Number of compressors per circuit which will
be forced in case of a regulating-probe alarm.
1 0 PG03 IS-C
PC11
It sets the regulation type for compressor
management:
0: Lateral band
1: Neutral zone
2: From digital inputs
1 0 2 IS-R
PC12
Proportional band for lateral-band regulation
of compressors
2.5 1.0 20.0 °C IS-R
PC14
Zone value for neutral-zone regulation of
compressors
3.0 PC15 PC16 °C IS-R
PC15 Min. value of compressor neutral zone 1.0 0.1 10.0 °C IS-R
PC16 Max. value of compressor neutral zone 5.0 0.1 10.0 °C IS-R
PC17
Enabling/release time for subsequent
compressor step outside the neutral zone
20 0 999 Sec. IS-R
PC18
Enabling for auto-adaptive control of the
compressors’ neutral zone
No (0) No (0) Yes (1) IS-R
PC21
Min. value of summer set point
(chiller)
5.0 -15.0 SPC1 °C IS-R
PC22
Max. value of summer set point
(chiller)
20.0 SPC1 35.0 °C IS-R
PC23
Min. value of winter set point
(heat pump)
30.0 10.0 SPH1 °C IS-R
PC24
Max. value of winter set point
(heat pump)
44.0 SPH1 70.0 °C IS-R
PC30 Enabling of power limiting from digital input No (0) No (0) Yes (1) IS-R
PC31 Power limiting for summer 50 0 100 % IS-R
PC32 Power limiting for winter 50 0 100 % IS-R
PC35 Enabling of forced shutdown of compressors No (0) No (0) Yes (1) IS-R
PC36 Summer forced shutdown set point 3.5 -30.0 23.0 °C IS-R
PC37 Winter forced shutdown set point 52.0 26.0 75.0 °C IS-R
PC41
Enabling of pump-down
0 : No
1 : Yes, with timing
2 : Yes, with relative threshold
0 0 2 IS-R
PC42 Compressor shutdown time in pump-down 5 0 240 Sec. IS-R
PC43 Relative threshold for pump-down disabling 1.5 0.0 5.0 Bar IS-R
PC45
Enabling of high-temperature pressure-switch
control (chiller)
No (0) No (0) Yes (1) IS-R
PC46
Pressure set point for high-temperature
pressure-switch control
27.0 0.0 45.0 Bar IS-R
PC47
Pressure differential for high-temperature
pressure-switch control
2.0 0.0 5.0 Bar IS-R
PC48
External high temperature threshold for
pressure-switch control
12.0 -30.0 23.0 °C IS-R
PC49
Min. time for maintaining pressure-switch
partialisation
10 0 99 Min. IS-R
PC50
Enabling of low-temperature pressure-switch
control (heat pump)
No (0) No (0) Yes (1) IS-R
PC51 3.2 0.0 10.0 Bar IS-R
PC52
Pressure differential for low-temperature
pressure-switch control
2.0 0.0 10.0 Bar IS-R
PC53 External low temperature threshold for -5.0 -10.0 5.0 °C IS-R