Carrier WeatherExpert 50LC - Connecting the Keypad to the VFD

50
Navigation Keys and Statu s LEDs: The Nav ig ation keys
and Status LEDs are detailed in the follow in g table.
Alarm
Warn.
On
Com.
OK
B
a
c
k
3
4
1
2
5
6
5
7
C13114
1 Com. LED: Flashes when bus communic ations is
communicating.
2 Green LED/On: Control selection is working.
3 Yellow LED/Warn.: Indicates a warni ng.
4 Flashing Red LED/Alarm: Indicates an alarm.
5 Arrows YB: Use the Up and Down arrow keys
to navigate between parameter groups, parameters
and within parameters. Also used for setting local
reference.
6 Back key: Press to move to the previous step or
laye r in the navigation structure.
7 OK key: Press to sel ect the currently displa yed
parameter and for accepting changes to parameter
settings.
Operation Keys and LEDs: The followin g table details the
functio n s of the Oper ating keys . An illuminated yellow LED
above the key indicates the active key.
O
Reset
Hand
On
Auto
On
1 2 3
C13115
1 Hand On key: Starts the motor and e nables
control of the variable frequency drive (VFD) via
the VFD Keypad option.
NOTE: Please note that terminal 27 Digital Input
(5--12 Terminal 27 Digital Input) has coast i nverse
as default setting. This means that the Hand On
key will not start the m otor if there is no 24V to
terminal 27, so be sure to connect terminal 12 to
terminal 27.
2 Off/Reset key: Stops the motor (off). If in alarm
mode the alarm will be reset.
3 Auto On key: The variable freque ncy drive is
controlled either via control terminals or serial
communication.
Connecting the Keypad to the VFD
The VFD keypad can be mounted directly to the variable
frequency drive, provided you can easily access the front
panel of the VFD. If you do not have easy access to the
VFD front panel, use the cable included with the kit to
connec t the keypad to the VFD.
Connecting the Keypad Directly to the VFD —
1. Place the bottom of the VFD keypad into the variable
frequenc y drive as shown in Fig. 57.
C13116
Fig. 57 -- Align Bottom of VFD Keypad with Opening
in VFD Front Panel
2. Push the top of the VFD keypad into the vari able fre-
quency drive as shown in Fig. 58.
C13117
Fig. 58 -- Secure K eypad in Place
Using the Cable to Connect the Keypad to the VFD —
The VFD keypad can be connected to the variable
frequenc y drive via the cable included with the
Multi--Speed VFD display kit (PN: CRDISKIT002A00).