Connecting The Keypad To The Vfd - Carrier WeatherExpert 48LC B14 Series Installation Instructions Manual

Single package rooftop gas heating/electric cooling unit with multi-zone vav (variable air volume) operation 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
Fig. 56 — VFD Keypad
The VFD keypad as shown in Fig. 56 consists of the following
sections.
Alpha Numeric Display
The LCD display is back lit with 2 alpha-numeric lines. All data is
displayed on the LCD. See Fig. 57.
1
1-20 Motor Power
2
[2] 0.12KW-0.16HP
3
Setup 1
4
1 Parameter number and name.
2 Parameter value.
Setup number shows the active setup and the edit setup. If the
same set-up acts as both the active and edit set-up, only that
setup number is shown (factory setting). When the active and
3
edit setup differ, both numbers are shown in the display (SETUP
12). The flashing number indicates the edit setup.
The symbol in the number 4 position in the figure above
indicates motor direction. The arrow point either clockwise or
4
counter-clockwise to show the motor's current direction.
The position of the triangle indicates the currently selected
5
menu: Status, Quick Menu or Main Menu.
Fig. 57 — Alphanumeric Display
Menu Key
Use the Menu key to select between Status, Quick Menu or Main
Menu. The triangle icon at the bottom of the LCD display indi-
cates the currently selected mode. (See number 5 in Fig. 57.)
Navigation Keys and Status LEDs
The Navigation keys and Status LEDs are detailed in Fig. 58.
Status
Quick
Main
Menu
Menu
OK
Off
Auto
Reset
On
OPERATION KEYS & LEDs
5
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
5
parameters. 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
7
and for accepting changes to parameter settings.
Fig. 58 — Navigation Keys and Status LEDs
Operation Keys and LEDs
Figure 59 details the functions of the Operating keys. An illumi-
nated 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
2
alarm will be reset.
Auto On key: The variable frequency drive is controlled either
3
via control terminals or serial communication.
Fig. 59 — 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. 60.
2.
Push the top of the VFD keypad into the variable frequency
drive as shown in Fig. 61.
40
5
6
OK
7
5
Off
Auto
Reset
On
2
3

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