Carrier WeatherExpert 50LC 07 Series Service And Maintenance Instructions page 44

1 Com.
2
On
3
Warn.
4
Alarm
Com. LED: Flashes when bus communications is
1
communicating.
Green LED/On: Control selection is working.
2
Yellow LED/Warn.: Indicates a warning.
3
Flashing Red LED/Alarm: Indicates an alarm.
4
▲▼
Arrows : Use the Up and Down arrow keys to navigate
between parameter groups, parameters and within parameters.
5
Also used for setting local reference.
Back key: Press to move to the previous step or layer in the
6
navigation structure.
OK key: Press to select the currently displayed parameter and
7
for accepting changes to parameter settings.
Fig. 52 — Navigation Keys and Status LEDs
OPERATION KEYS AND LEDS
Figure 53 details the functions of the Operating keys. An illu-
minated yellow LED above the key indicates the active key.
Hand
On
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
1
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.
Off/Reset key: Stops the motor (off). If in alarm mode the alarm
2
will be reset.
Auto On key: The variable frequency drive is controlled either
3
via control terminals or serial communication.
Fig. 53 — Operating Keys
CONNECTING THE KEYPAD TO THE VFD
The VFD keypad can be mounted directly to the variable fre-
quency drive, provided there is easy access to the front panel of
the VFD. If there is no 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. 54.
2. Push the top of the VFD keypad into the variable fre-
quency drive as shown in Fig. 55.
5
6
OK
7
5
Off Auto
Reset On
2 3
Fig. 54 — Align Bottom of VFD Keypad with Opening
in VFD Front Panel
Fig. 55 — 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 (P/N: CRDISKIT002A00). See Fig. 56.
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.
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