EVCO c-pro nano NAV User Manual
Page 20
C-PRO NANO AND MICRO NAV APPLICATION MANUAL
Page 20
tFLo
Flow alarm delay during normal functioning
1
0
240
sec
LEV2
tCoM
Communication alarm delay
10
1
99
sec
LEV2
SET1
Summer condensation high temperature alarm
set point (chiller)
100.0
80.0
115.0
°C
LEV2
Note 1
diF1
Summer condensation high temperature alarm
differential (chiller)
5.0
1.0
15.0
°C
LEV2
Note 1
SET2
Summer evaporation low temperature alarm
set point (chiller)
0.0
-15.0
5.0
°C
LEV2
Note 1
diF2
Summer evaporation low temperature alarm
differential (chiller)
5.0
1.0
15.0
°C
LEV2
Note 1
SET3
Winter evaporation low temperature alarm set
point (heat pump)
-9.0
-15.0
0.0
°C
LEV2
Note 1
diF3
Winter evaporation low temperature alarm
differential (heat pump)
5.0
1.0
15.0
°C
LEV2
Note 1
SET4
Winter condensation high temperature alarm
set point (heat pump)
115.0
90.0
120.0
°C
LEV2
Note 1
diF4
Winter condensation high temperature alarm
differential (heat pump)
5.0
1.0
15.0
°C
LEV2
Note 1
dAL1
Delta 1 : temperature difference AI1 – AI2
that signals alarm (summer chiller)
9.0
0.0
20.0
°C
LEV2
Note 1
EAL1
Enable Delta 1 : temperature value below
which the probe AI1 must be found
20.0
0.0
50.0
°C
LEV2
Note 1
dAL2
Delta 2 : temperature difference AI1 – AI2
that signals alarm (summer chiller)
-2.0
-10.0
0.0
°C
LEV2
Note 1
dAL3
Delta 3 : temperature difference AI2 – AI1
that signals alarm (winter heat pump)
11.0
0.0
20.0
°C
LEV2
Note 1
EAL3
Enable Delta 3 : temperature value above
which the probe AI1 must be found
35.0
0.0
50.0
°C
LEV2
Note 1
dAL4
Delta 4 : temperature difference AI2 – SETH
that signals alarm (winter heat pump)
2.0
0.0
20.0
°C
LEV2
Note 1
tAL4
Delta 4 alarm by-pass time
30
0
999
sec
LEV2
nDeL
Number of interventions/hour of the Delta
alarms so that the alarm becomes manual
1
0
9
LEV2
tDeL
Activation delay time of the Delta alarms from
compressor switch-on
10
0
999
sec
LEV2
dSF
Minimum difference |AI1 – AI2| from
compressor start-up that signals the ASF
Phases Sequence alarm
0.8
0.0
2.0
°C
LEV2
Note 1
tSF
Phases Sequence alarm activation delay time
from compressor start-up
100
0
999
sec
LEV2
ADMINISTRATOR PARAMETERS
nUM
Sets the number of slave units connected to the
master
2
0
4
LEV3
UdM
Sets the temperature unit of measurement:
0: °Celsius
1: °Fahrenheit
0 (°C)
0
1
LEV3
Addr
Board Modbus Address
1
1
247
LEV3
bAud
Baud Rate of the boar communication
(1=2400, 2=4800, 3=9600, 4=19200)
3
1
4
LEV3
Equal
ModBus Parity (0=none, 1=Odd, 2=Even)
2
0
2
LEV3
StoP
StopBit ModBus (0=1bit, 1=2bit)
0
0
1
LEV3
PDI1
Sets the digital input logic used for the flow
switch:
0: Normally open NO
NO
NO (0)
NC (1)
LEV3
NC = flow
OK