Program The Vfd For 3 Discrete Indoor Fan Speeds - Carrier WeatherExpert 50LC 07 Series Installation Instructions Manual

Fig. 58 — Align Bottom of VFD Keypad with Opening
in VFD Front Panel
Fig. 59 — 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 (PN: CRDISKIT002A00). See Fig. 60.
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.
Female Connector -
connect to back of
VFD Remote Keypad
Fig. 60 — VFD Remote Keypad Cable
PROGRAM THE VFD FOR 3 DISCRETE INDOOR FAN
SPEEDS
IMPORTANT: 50LC 07 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 (PN: CRDISKIT002A00). If the VFD keypad is not al-
ready installed, install it. See "Connecting the Keypad to the
VFD" for details.
44
Male Connector -
connect to VFD
Front Panel