µRack
Cod. CAREL +03P220431 rel. 0.0 del 08/09/05 - preliminary version
26
Parameter Type Pos. Display Description UOM Range Default Notes
Max compressor set
point
R/W C r13 Set the upper limit of the compressor set point circuit 1 bar
r13 to
40.0
2.5
Min compressor set
point circuit 2
R/W C r14 Set the lower limit of the compressor set point circuit 2 bar 0 to r16 0.1
For two circuits
only
Max compressor set
point circuit 2
R/W C r15 Set the upper limit of the compressor set point circuit 2 bar
r15 to
40.0
2.5
For two circuits
only
Fan set point R/W U r16 Fan set point bar / °C
min to max
fan set
15.5 bar
35.7 °C
For single circuit
only
Fan differential R/W U r17 Fan differential bar /°C 0 to 20.0 0.5
For single circuit
only
Inverter set point R/W U r18 Fan inverter set point bar / °C
min to max
fan set
15.5 bar
35.7°C
Only if the inverter
is enabled
Fan inverter differential R/W U r19 Fan inverter differential bar /°C 0 to 20.0 0.5
Only if the inverter
if enabled
Fan rotation R/W C r20
Type of fan rotation.
0) NO ROTATION
1) FIFO
0 / 1 1
For single circuit
only
Fan control R/W C r21
Type of fan control:
0) Proportional
1) Proportional + integral
2) Dead band
0 to 2 0
For single circuit
only
Integral time (P+I only) R/W C r22 Integral time with P+I control s 0 to 999 600
Only if PI
Time between fan start
call
R/W C r23
Minimum time between two successive calls to start different fans.
s 0 to 999 2
Only if dead band
is set
Time between fan stop
call
R/W C r24
Minimum time between two successive calls to stop different fans.
s 0 to 999 2
Only if dead band
is set
Min fan set point R/W C r25 Set the lower limit of the fan set point bar / °C
0 to r27
0 to r27
1.0
-31.2
Max fan set point R/W C r26 Set the upper limit of the fan set point bar / °C
r26 to
40.0
r26 to
150
25.0
55.3
Fan inverter speedup
time
R/W C r27 Fan inverter speedup time s 0 to 999 2
Only if the inverter
is enabled
Inverter ramp up time R/W I r28 Set the time taken by the inverter to reach full load s 0 to 999 10
Only if the inverter
is enabled
Minimum fan inverter
output
R/W C r29 Set the minimum operation of the fan inverter % 0 to 100 0
Only if the inverter
is enabled
Maximum fan inverter
output
R/W C r30 Set the maximum operation of the fan inverter % 0 to 100 100
Only if the inverter
is enabled
Triac impulse duration R/W C r31 Duration of the impulse applied to the triac ms 0 to 10 0
Enable floating
condenser control
R/W C r32
Enable the floating condenser control
0) NO
1) YES
0 to 1 0
Condensing Delta T R/W C r33 Temperature difference for floating condenser control -40 to 150 10
Alarm menu
HP suction 1 alarm R/W I A01 Suction probe 1 alarm: high threshold setting bar
-0.5 to
7.0 bar
4.0
HP suction 1 delay R/W I A02 Suction probe 1 alarm: delay setting s 0 to 999 60
LP suction 1 alarm R/W I A03 Suction probe 1 alarm: low threshold setting bar
-0.5 to
7.0 bar
0.5
LP suction 1 delay R/W I A04 Suction probe alarm: delay setting s 0 to 999 60
HP suction 2 alarm R/W I A05 Suction probe 2 alarm: high threshold setting bar
-0.5 to
7.0 bar
4.0
For two circuits
only
HP suction 2 delay R/W I A06 Suction probe 2 alarm: delay setting s 0 to 999 60
LP suction 2 alarm R/W I A07 Suction probe 2 alarm: low threshold setting bar
-0.5 to
7.0 bar
0.5
For two circuits
only
LP suction 2 delay R/W I A08 Suction probe alarm: delay setting s 0 to 999 60
HP discharge alarm R/W I A09 Discharge probe alarm: high threshold setting bar /°C
-95T95 or
0T30
20.0
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