Program The Vfd For 3 Discrete Indoor Fan Speeds - Carrier WeatherExpert Puron 50LC 08 Series Installation Instructions Manual

Fig. 67 — Align Bottom of VFD Keypad with Opening
in VFD Front Panel
Fig. 68 — 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. 69.
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. 69 — VFD Remote Keypad Cable
PROGRAM THE VFD FOR 3 DISCRETE INDOOR FAN
SPEEDS
IMPORTANT: 50LC units are programmed at the factory
for 3 discrete indoor fan speeds. The following procedure 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 display kit
(PN: CRDISKIT002A00). If the VFD keypad is not already in-
stalled, install it. See "Connecting the Keypad to the VFD" for
details.
50
Male Connector -
connect to VFD
Front Panel