VISION SC600
Pag. 16
Rev. 02-18
USE AND MAINTENANCE MANUAL
FIRST LEVEL VARIABLES LIST (User Level)
LABEL
MEANING
VALUES
DEFAULT
r0C
SET differential (of the pressure)
compressors
(interlocked with nC)
0.2
30 bar
Step 0.2 Bar
0,6
t1C
The minimum time that must elapse
between the insertion of a compressor
step and the next one
(SECONDS)
This time avoids breakaways caused
by simultaneous start-ups.
2
500
step 2 sec
20
t2C
The minimum time that must elapse
between two different compressor
step deactivations.
(SECONDS)
2
500
step 2 sec
10
t3C
The minimum time that must elapse
between two successive insertions
of the same compressor step.
(SECONDS)
2
500
step 2 sec
320
t4C
The minimum time that must elapse
between one shutdown and the next
insertion of the same compressor
step.
(SECONDS)
2
500
step 2 sec
2
r0U
SET differential (of the pressure) fans.
(interlocked with iOu but only if iEn=2 or
iEn=3, otherwise interlocked with nU)
0.6
5 bar
Step 0.2 Bar
2,0
t1U
The minimum time that must elapse
between the insertion of a fan step and
the next one.
(SECONDS)
This time avoids breakaways caused
by simultaneous start-ups.
2
500
step 2 sec
2
t2U
The minimum time that must elapse
between two different fan step
deactivations.
(SECONDS)
2
500
step 2 sec
2
t3U
The minimum time that must elapse
between two successive insertions
of the same fan step.
(SECONDS)
2
500
step 2 sec
10
t4U
The minimum time that must elapse
between one shutdown and the next
insertion of the same fan step.
(SECONDS)
2
500
step 2 sec
2
Fty
Type of refrigerant GAS in use.
The wrong configuration of this
parameter does not affect operation.
0 = 404 4 = 410
1 = 134 5 = 507
2 = R22 6=CO2
3 = 407 7=R407F
1
UM
View unit of measurement
0 = °C 1 = Bar
1
AOC
Display of the 0-10V analogue output
for compressor inverter
0,0
– 10,0V
with iEn=0 or 2
displays - - -
Read only
AOU
Display of the 0-10V analogue output
for condenser fans inverter
0,0
– 10,0V
with iEn=0 or 1
displays - - -
Read only
5.9
CHAP. 5 - Data programming
