Carrier WeatherExpert 50LC14 Installation Instructions Manual page 67

Single package rooftop cooling only with puron(r-410a) refrigerant
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1-20 Motor Power
ALPHA
NUMERIC
[2] 0.12KW-0.16HP
DISPLAY
Setup 1
MENU KEY
Menu
Com.
NAVIGATION
KEYS
AND
On
STATUS
LEDs
Warn.
Alarm
Hand
On
OPERATION KEYS & LEDs
Fig. 80 — VFD Keypad
1
1-20 Motor Power
2
[2] 0.12KW-0.16HP
3
Setup 1
4
1
= Parameter number and name.
2
= Parameter value.
3
= Setup number shows the active setup and the edit setup. If
the same setup acts as both the active and edit setup, only
that setup number is shown (factory setting). When the
active and edit setup differ, both numbers are shown in the
display (SETUP 12). The flashing number indicates the edit
setup.
4
= The symbol in the number 4 position in the figure above indi-
cates motor direction. The arrow points either clockwise or
counter-clockwise to show the motor's current direction.
5
= The position of the triangle indicates the currently selected
menu: Status, Quick Menu or Main Menu.
Fig. 81 — Alphanumeric Display
1
Com.
2
On
3
Warn.
4
Alarm
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 parame-
ters. 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.
Fig. 82 — Navigation Keys and Status LEDs
Status
Quick
Main
Menu
Menu
OK
Off
Auto
Reset
On
5
5
6
OK
7
5
Hand
On
1
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 Ter-
minal 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.
Fig. 83 — 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 do not 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. 84.
Fig. 84 — Aligning Bottom of VFD Keypad with
Opening in VFD Front Panel
2. Push the top of the VFD keypad into the variable fre-
quency drive as shown in Fig. 85.
67
Off
Auto
Reset
On
2
3

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