Carrier WeatherExpert 50LC 07 Series Service And Maintenance Instructions page 45

Single package rooftop
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Female Connector -
connect to back of
VFD Remote Keypad
Fig. 56 — VFD Remote Keypad Cable
PROGRAM THE VFD FOR 3 DISCRETE INDOOR FAN
SPEEDS
IMPORTANT: The 50LC units are programmed at the fac-
tory for 3 discrete indoor fan speeds. The following proce-
dure is only to be used to recover this function after an
event such as a system crash.
NOTE: This procedure requires use of the VFD Keypad which
is included as part of the field-installed Multi-Speed VFD dis-
play kit (P/N: CRDISKIT002A00). If the VFD keypad is not
already installed, install it. See "Connecting the Keypad to the
VFD" for details.
Male Connector -
connect to VFD
Front Panel
Select language
[0] English
SETUP 1
Menu
Com.
On
Warn.
Alarm
Hand
On
Fig. 57 — Keypad with Power Up Screen Displayed
To program the VFD for 3 discreet indoor fan motor speeds
1. At Power-Up:
At the first power up, the LCD displays the Select Lan-
guage screen (see Fig. 57). The default setting is English.
To change the language, press the OK key and use the ▲
and ▼ keys to scroll to the desired language and then
press OK.
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.
0—** Operation / Display
1—** Load and Motor
c. Press the OK key and the display changes to:
0—0* Basic Settings
0—1* Set-up Operations
d. With the top row highlighted, press OK. The display
changes to:
0—01 Language
[0] English
NOTE: If English is not the desired language, press OK, select the
desired language and press OK again.
e. Press ▼ (Down Arrow key) once; the display changes
to:
0—03 Regional Settings
[0] International
f. Press OK; the [0] is now highlighted.
g. Press ▼ (Down Arrow) key once; the display changes
to:
0—03 Regional Settings
[1] North America
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.
45
English
Status
Quick
Main
Menu
Menu
OK
Off
Auto
Reset
On

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