Trane LonWorks



TR1 Series VFD Installation And Operation Manual page 14

3. Remove
• Lift control card cassette from bottom.
Cassette • Unplug two ribbon cables (A) and (B)
and Ribbon
• Unhinge cassette at top to remove.
Cables
Ribbon cables will need to be
reconnected to same connec-tions
from which removed.
4. Chassis
Ground
Ground strips are used on 208 V
Connections
drives of 30 HP (22 kW) or less and
on 460 V drives of 60 HP (45 kW)
or less. For all other drives, go to
step 6.
• Location of holes to mount grounding
14
from control board.
NOTE
NOTE
strips can vary with drive configuration.
When applicable, remove mounting
screws located in chassis using Torx
T-20 screw driver and save for
reassembly. Otherwise, grounding strips
attach with screws provided as, shown
in step 5.
(A)
(B)