Trane LonWorks



TR1 Series VFD - Install Control Card Cassette; Plug in Terminal Connector

19
15. Install
Control Card
Cassette
16. Plug in
Terminal
Connector
NOTE
Shielded cable is recommended.
Ground shielded cable at spring
tension clip location or ground at
cable clamp by removing cable
insulation at contact point. Do not
use connector terminal 61.
• Fasten control card cassette by
alternately tightening two captive
screws (A). Tighten to 8 in-lbs.
• Route control wires through clamp
fasteners (B) and secure clamps with
two screws.
• Connect control terminals (C) by firmly
pressing them into connector
receptacles.
• Connect signal wire NET A to terminal
79 and NET B to 80 of terminal
connector. (In free topology model,
connections can be reversed.)
• Plug network connector into terminal
block at side of control card cassette.
• Insert LonWorks cable between inner
wall of chassis and spring tension clip.


Shield 61
NET B 80
NET A 79
79
80
61
(A)
(B)
(C)