Carrier WeatherExpert 48LC Series - Program the Vfd for Indoor Fan Control

60
Fig. 72 — VFD Remote Keypad Cable
PROGRAM THE VFD FOR INDOOR FAN CONTROL
NOTE: This procedure requires use of the VFD Keypad which is
included as part of the field-installed Multi-Speed VFD display
kit (PN: CRDISKIT002A00). If the VFD keypad is not already
installed, install it. See “Connecting the Keypad to the VFD” on
page 59 for details.
To program the VFD for variable indoor fan motor speeds:
1. At Power-Up:
At the first power up the LCD displays the Select Language
screen. The default setting is English (see Fig. 73). To change
the language, press the OK key and use the ▲ and▼ keys to
scroll to the desired language and then press OK.
NOTE: If English is not the desired language, press OK, select the
desired language and press OK again.
Fig. 73 — Keypad with Power Up Screen Displayed
2. Selecting Regional Settings:
a. Press the Off Reset key.
b. Press the Menu key to move the ▼ (triangle icon) so
it is positioned over Main Menu. The display shows
the following.
c. Press the OK key and the display changes to:
NOTE: Press the Back key to return to the previous display.
d. With the top row highlighted, press OK. The display
changes to:
e. Press ▼ (Down Arrow key) once; the display changes
to:
f. Press OK; the [0] is now highlighted.
g. Press ▼ (Down Arrow) key once; the display changes
to:
h. Press OK
NOTE: If the Alarm 060 appears, follow Step 3 to clear the alarm.
Make sure to press Off Reset when done. If there is no alarm, con-
tinue at Step 4.
3. Clearing Alarm 060: External Interlock:
a. Press the Menu key twice to position the ▼ (triangle
icon) over Main Menu; the display changes to:
b. Press the ▼ (Down Arrow) key until the following
display appears:
IMPORTANT: 48LC**14-26 units are programmed at the
factory for variable indoor fan speeds. The following pro-
cedure is only to be used to recover this function after an
event such as a system crash.
Male Connector -
connect to VFD
Front Panel
Female Connector -
connect to back of
VFD Remote Keypad
0—** Operation / Display
1—** Load and Motor
0—0* Basic Settings
0—1* Set-up Operations
0—01 Language
[0] English
0—03 Regional Settings
[0] International
0—03 Regional Settings
[1] North America
0—** Operation / Display
1—** Load and Motor
4—** Limits / Warnings
5—** Digital In/Out
O
Reset
Hand
On
Alarm
Warn.
On
Com.
OK
B
a
c
k
Auto
On
Status
Menu
Quick
Menu
Main
Menu
Select language English
[0] English
SETUP 1