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Carrier WeatherExpert 48LC Series - Connecting the Keypad to the Vfd

Carrier WeatherExpert 48LC Series
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59
Fig. 68 — Navigation Keys and Status LEDs
Operation Keys and LEDs
Figure 69 details the functions of the Operating keys. An illumi-
nated yellow LED above the key indicates the active key.
Fig. 69 — Operation Keys and LEDs
CONNECTING THE KEYPAD TO THE VFD
The VFD keypad can be mounted directly to the variable frequen-
cy drive, provided you can easily access the front panel of the
VFD. If you don’t have easy access to the VFD front panel, use
the cable included with the kit to connect the keypad to the VFD.
Connecting the Keypad Directly to the VFD
1. Place the bottom of the VFD keypad into the variable fre-
quency drive as shown in Fig. 70.
2. Push the top of the VFD keypad into the variable frequency
drive as shown in Fig. 71.
Fig. 70 — Align Bottom of VFD Keypad with Opening
in VFD Front Panel
Fig. 71 — Secure Keypad in Place
Using the Cable to Connect the Keypad to the VFD
The VFD keypad can be connected to the variable frequency drive
via the cable included with the Multi-Speed VFD display kit (PN:
CRDISKIT002A00). See Fig. 72.
1. Connect the male end of the cable to the front panel of the
variable frequency drive. Use 2 of the screws included with
the kit to secure the cable to the VFD.
2. Connect the female end of the cable to the back panel of the
VFD Remote keypad. Secure the cable to the remote keypad
using the 2 remaining screws from the kit.
Alarm
Warn.
On
Com.
OK
B
a
c
k
3
4
1
2
5
6
5
7
1
Com. LED: Flashes when bus communications is
communicating.
2 Green LED/On: Control selection is working.
3 Yellow LED/Warn.: Indicates a warning.
4 Flashing Red LED/Alarm: Indicates an alarm.
5
Arrows
▲▼: 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 layer in the
navigation structure.
7
OK key: Press to select the currently displayed parameter
and for accepting changes to parameter settings.
O
Reset
Hand
On
Auto
On
1 2 3
1
Hand On key: Starts the motor and enables 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 inverse as default setting. This
means that the Hand On key will not start the motor 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 frequency drive is controlled either
via control terminals or serial communication.

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