Carrier /50HC 04-28, Controls, Start-Up, Operation And Troubleshooting, Page: 130 / 144

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APPENDIX C — VARIABLE FREQUENCY DRIVE (VFD) (cont)
Table X — Mode — Configuration (cont)
ITEM EXPANSION RANGE UNITS DEFAULT
CCN TABLE/
Sub- TABLE
CCN POINT ENTRY
S.VFD SUPPLY FAN VFD CONFIG
N.VLT VFD1 Nominal Motor Volts 0 to 999 volts
230: 208/230v
1ph or 3ph
460: 460v
575: 575v
VFD1NVLT
N.AMP VFD1 Nominal Motor Amps 0 to 999 amps
See VFD Motor
Parameters table
VFD1NAMP
N.FRQ VFD1 Nominal Motor Freq 10 to 500 60 VFD1NFRQ
N.RPM VFD1 Nominal Motor RPM 50 to 30000
See VFD Motor
Parameters table
VFD1NRPM
N.PWR VFD1 Nominal Motor HPwr 0 to 500
See VFD Motor
Parameters table
VFD1NPWR
MAX.A VFD1 Maximum Amps 0 to 999 amps
See VFD Motor
Parameters table
VFD1MAXA
M.DIR VFD1 Motor Direction
0=FORWARD
1=REVERSE
0 VFD1MDIR
ACCL VFD1 Acceleration Time 0 to 1800 secs 30 VFD1ACCL
DECL VFD1 Deceleration Time 0 to 1800 secs 30 VFD1DECL
SW.FQ VFD1 Switching Frequency 0 to 3 2 VFD1SWFQ
COOL Cooling Configuration COOL_CFG
N.CIR Number of Circuits 1 or 2
1 (04- 07)
2 (08- 28)
NUM_CIRC
MRT.C Compressor Min On Time 120 to 999 sec 180 MIN_ON
MOT.C Compressor Min Off Time 300 to 999 sec 300 MIN_OFF
RST.C Runtime to Reset Strikes 120 to 999 sec 300 MIN_ON_S
C.DEC Cool Stage Decrease Time 120 to 999 sec 300 STAGEDEC
C.INC Cool Stage Increase Time 120 to 999 sec 450 STAGEINC
FOD.C Fan-off Delay, Mech Cool 0 to 600 sec
30 (04-05)
75 (06- 28)
COOL_FOD
ALM.N Alert Each Strike No/Yes Yes ALM_NOW
CA.LO Circuit A Lockout Temp 0 to 100F °F
40
0: Low ambient
or Humidimizer
FIOP
OATLCMPA
CB.LO Circuit B Lockout Temp 0 to 100F °F
40
0: Low ambient
or Humidimizer
FIOP
OATLCMPB
D.CMP Diagnose Comp Safety Disable/Enable Enable DIAGCOMP
MX.SA Max Suction Change CirA 0 to 100 PSIG
4 (04-06, 17- 28)
6 (07-12)
7 (14)
MAXDSSPA
MX.SB Max Suction Change CirB 0 to 100 PSIG
4 (04- 06, 17- 28)
6 (07-12)
7 (14)
MAXDSSPB
CS.A1 Current Sensing A1 Disable/Enable Disable A1_SENSE
CS.B1 Current Sensing B1 Disable/Enable Disable B1_SENSE
SAT Supply Air Temperature
SA.PD SAT Cool Demand (+) Level 0.5 to 10 ^F 1 SAT_POS
SA.ND SAT Cool Demand (-) Level - 10 to - 0.5 ^F -1 SAT_NEG
SAT.U Minimum SAT Upper Level 35.0 to 65.0 °F
53 (04- 14)
56 (17- 28)
SATMIN_H
SAT.L Minimum SAT Lower Level 35.0 to 65.0 °F
42 (04- 14)
46 (17- 28)
SATMIN_L
SPT Space Temperature
CL.PD SPT Cool Demand (+) Level 0.5 to 5 ^F 1 DEM_POS
CL.ND SPT Cool Demand (-) Level - 5 to - 0.5 ^F -1 DEM_NEG
C.LAG Cool Thermal Lag Factor 0 to 5 1 COOL_LAG
SST Low Suction Control
SST.O Suction OK Temperature 10 to 50 °F 18 SSTOK
SST.1 Low Suction - Level 1 10 to 50 °F 20 SSTLEV1
SST.2 Low Suction - Level 2 5 to 50 °F 15 SSTLEV2
SST.3 Low Suction - Level 3 0 to 50 °F 10 SSTLEV3
CK.DL Delay On Low SST Check 0 to 300 sec 0 SSTCKDLY