Carel uRack, User Manual

Page: 34 / 44

µRack
Cod. CAREL +03P220431 rel. 2.2 dated 10/02/12 34
Flow Index
Description Display code
R/W 17 Min fan set point r25 (bar)
R/W 18
Min fan set point
r25 (°C)
R/W 19
Max fan set point
r26 (bar)
R/W 20
Max fan set point
r26 (°C)
R/W 21
Fan inverter set point
r18 (bar)
R/W 22
Fan inverter set point
r18 (°C)
R/W 23 Fan inverter differential
r19 (bar)
R/W 24 Fan inverter differential
r19 (°C)
R/W 25 HP suction 1 alarm threshold
A01
R/W 26 LP suction 1 alarm threshold A03
R/W 27 HP suction 2 alarm threshold A05
R/W 28
LP suction 2 alarm threshold
A07
R/W 29
HP discharge alarm threshold
A09 (bar)
R/W 30
HP discharge alarm threshold
A09 (°C)
R/W 31
LP discharge alarm threshold
A10 (bar)
R/W 32 LP discharge alarm threshold
A10 (°C)
R/W 33 Probe B4 calibration
/23
R/W 34 Probe B1 calibration
/24
R/W 35 Probe B2 calibration
/25
R/W 36 Probe B3 calibration
/26
R/W 37 Min value suction probe /17
R/W 38 Min value discharge probe /18
R/W 39
Max value suction probe
/19
R/W 40
Max value discharge probe
/20
R/W 41
Set point prevent high pressure function
/33
R/W 42
Set point offset to change set from DI
r34
R/W 43 Differential pressure for dead band by time
r11
R/W 44 Condensing temperature delta for floating control
r33
R/W 45 High temp threshold probe B2
A16
R/W 46 High temp threshold probe B3 A17
Tab. 14.a
Digital variables
Flow Index Description Parameter
R/W 1 Unit on
R 2 Status of compressor 1
R 3 Status of compressor 2
R 4 Status of compressor 3
R 5 Status of compressor 4
R 6 Status of fan 1
R 7 Status of fan 2
R 8 Status of fan 3
R 9 Status of fan 4
R 10 Status of digital input 1
R 11 Status of digital input 2
R 12 Status of digital input 3
R 13 Status of digital input 4
R 14 Status of digital input 5
R/W 15 Reset alarms A19
R/W 16 Digital input logic /14
R/W 17 Alarm relay logic /28
R/W 18 Enable fan inverter /10
R/W 19
ON/OFF from supervisor
/38
R/W 20 Enable “prevent” control on condenser /32
R/W 21 Enable management of different compressors /02
R/W 22 Type of compressor reset /29
R/W 23 Type of fan reset /30
R/W 24 Type of reset for general high press. switch /31
R/W 25 Reset compressor 1 hours C09
R/W 26 Reset compressor 2 hours C11
R/W 27 Reset compressor 3 hours C13
R/W 28 Reset compressor 4 hours C15
R/W 29 Enable floating condenser control r32
R/W 30 Enable unit Off due to probe fault A22
R/W 31 Enable fans with compressor ON /13
Tab. 14.b
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