122
 APPENDIX C — VARIABLE FREQUENCY DRIVE (VFD) (cont)
 
 
WARNING
EQUIPMENT DAMAGE HAZARD
Failure to follow this warning could result in equipment
damage. 
The VFD motor parameters shown in Table U should never be
changed in the field unless authorized by Carrier Corporation.
Damage could occur to the motor or unit if these are set to any-
thing besides what is shown in the table. These are only pro-
vided for drive or motor replacement or future adjustments
Table Q — VFD Parameters Configured by Factory or VFD Keypad
PARAMETER GROUP  PARAMETER TITLE ABB PARAMETER  HVAC DEFAULT CARRIER 
Options  COMM PROT SEL  9802  NOT SEL  LEN (6)
EFB Protocol
EFB PROTOCOL ID  5301  0000 hex  0601 hex
EFB STATION ID  5302  0  41
EFB BAUD RATE  5303  9.6 kb/s  38.4 kb/s
EFB PARITY  5304  8 NONE 1  8 NONE 1
EFB CTRL PROFILE  5305  ABB DRV LIM  DCU PROFILE
Table R — VFD Parameters Hard Coded by ComfortLink Controls
PARAMETER GROUP PARAMETER TITLE ABB PARAMETER  HVAC DEFAULT CARRIER 
Start/Stop/Dir  EXT1 COMMANDS  1001  DI1  COMM
Reference Select  REF1 SELECT  1103  AI1  COMM
Constant Speeds  CONST SPEED 7  1208  60 Hz  0 Hz
System Controls
RUN ENABLE  1601  NOT SEL  NOT SEL
FAULT RESET SEL  1604  KEYPAD  COMM
START ENABLE 1  1608  DI4  DI4
Start/Stop
START FUNCTION  2101  SCALAR FLYSTART  AUTO
STOP FUNCTION  2102  COAST  RAMP
Fault Functions
COMM FAULT FUNC  3018  NOT SEL  CONST SP 7
COMM FAULT TIME  3019  10.0 s  10.0 s
Table S — VFD Parameters Configurable Through ComfortLink Controls
PARAMETER 
GROUP 
PARAMETER TITLE
ABB 
PARAMETER 
HVAC DEFAULT CARRIER  CCN POINT 
DISPLAY MENU 
ITEM
Start-Up Data
MOTOR NOM VOLT  9905  230V,460V,575V See Table U  VFD1NVLT  N.VLT
MOTOR NOM CURR  9906  1.0*In  See Table U  VFD1NAMP  N.AMP
MOTOR NOM FREQ  9907  60 Hz  60 Hz  VFD1NFRQ  N.FRQ
MOTOR NOM SPEED  9908  1750 rpm  See Table U  VFD1NRPM  N.RPM
MOTOR NOM POWER  9909  1.0*Pn  See Table U  VFD1NPWR  N.PWR
Start/Stop/Dir  DIRECTION 1003 FORWARD REQUEST VFD1MDIR M.DIR
Limits  MAXIMUM CURRENT  2003  1.3*I2n  See Table U  VFD1MAXA  MAX.A
Accel/Decel
ACCELER TIME 1  2202  30.0s  30.0s  VFD1ACCL  ACCL
DECELER TIME 1  2203  30.0s  30.0s  VFD1DECL  DECL
Motor Control  SWITCHING FREQ  2606  4 kHz  4 kHz  VFD1SWFQ  SW.FQ