Carrier WeatherExpert 48N2 - Page 213

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APPENDIX D — VFD INFORMATION (cont)
Table E — VFD ComfortLink Control Variables
Table F — VFD ComfortLink Command Variables
VFD Operation — The VFD keypad is shown in Fig. B.
The function of SOFT KEYS 1 and 2 change depending on
what is displayed on the screen. The function of SOFT KEY 1
matches the word in the lower left-hand box on the display
screen. The function of SOFT KEY 2 matches the word in the
lower right-hand box on the display screen. If the box is empty,
then the SOFT KEY does not have a function on that specific
screen. The UP and DOWN keys are used to navigate through
the menus. The OFF key is used to turn off the VFD. The
AUTO key is used to change control of the drive to automatic
control. The HAND key is used to change control of the drive
to local (hand held) control. The HELP button is used to access
the help screens.
PARAMETER GROUP PARAMETER TITLE PARAMETER INDEX
CCN POINT
SUPPLY FAN VFD
CCN POINT
EXHAUST FAN VFD
Actual Signals FB STS WORD 1 303 VFD1STAT VFD2STAT
Not Available SPEED (%) Not Available VFD1_SPD VFD2_SPD
Operating Data
SPEED 102 VFD1RPM VFD2RPM
OUTPUT FREQ 103 VFD1FREQ VFD2FREQ
CURRENT 104 VFD1AMPS VFD2AMPS
TORQUE 105 VFD1TORQ VFD2TORQ
POWER 106 VFD1PWR VFD2PWR
DC BUS VOLTAGE 107 VFD1VDC VFD2VDC
OUTPUT VOLTAGE 109 VFD1VOUT VFD2VOUT
DRIVE TEMP 110 VFD1TEMP VFD2TEMP
RUN TIME (R) 114 VFD1RUNT VFD2RUNT
KWH COUNTER (R) 115 VFD1KWH VFD2KWH
DI1 STATUS 118 VFD1_DI1 VFD2_DI1
DI2 STATUS 118 VFD1_DI2 VFD2_DI2
DI3 STATUS 118 VFD1_DI3 VFD2_DI3
DI4 STATUS 119 VFD1_DI4 VFD2_DI4
DI5 STATUS 119 VFD1_DI5 VFD2_DI5
DI6 STATUS 119 VFD1_DI6 VFD2_DI6
AI1 120 VFD1_AI1 VFD2_AI1
AI2 121 VFD1_A12 VFD2_A12
Fault History LAST FAULT 401 VFD1LFC VFD2LFC
PARAMETER GROUP PARAMETER TITLE PARAMETER INDEX
CCN POINT
SUPPLY FAN VFD
CCN POINT
EXHAUST FAN VFD
Actual Signals FB CMD WORD 1 301 Not Available Not Available
Not Available SPEED REF (%) Not Available SFAN_VFD EFAN_VFD
Operating Data
COMM RO WORD -
(RELAY OUTPUT 1)
134 VFD1REL1 VFD2REL1
COMM RO WORD -
(RELAY OUTPUT 2)
134 VFD1REL2 VFD2REL2
COMM RO WORD -
(RELAY OUTPUT 3)
134 VFD1REL3 VFD2REL3
COMM VALUE 1 - (AO1) 135 VFD1_AO1 VFD2_AO1
COMM VALUE 2 - (AO2) 136 VFD1_AO2 VFD2_AO2