Output Wiring From The Afdh To The Ctv Motor; Routing Of Control Wiring To Afdh Cabinet - Trane CVHE Installation Instructions Manual

Installation
Figure 21. Location of AFDH cabinet ground terminal
1. Cabinet ground connection terminal
Output Wiring from the AFDH to the CTV
Motor
1. Remove the cover plate from the motor terminal
access cutout on the back of the drive cabinet.
2. Feed the six motor leads through the back of the drive
cabinet to the compressor motor terminal board.
3. Attach the leads in pairs to the correct motor terminals
(both T1 leads to the T1 terminal, both T2 leads to the
T2 terminal, and both T3 leads to the T3 terminal).
a. Torque the 3/8-inch bolts at each terminal
connection to 44 foot-pounds.
Note: These power connections should be re-torqued to
44 foot-pounds after the first three to six months of
operation and then on an annual basis thereafter.
4. Put the transition cover back in place and reseal it when
finished.
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Figure 22. Output wiring from AFDH to CTV motor
1. Output motor leads coming in from the right hand
cabinet compartment (drive module) and routed up
through the CTs to the motor terminal access cutout
2. Motor leads routed through cabinet motor terminal
access cutout
3. Transition cover removed and Z bracket blanked out of
photo for clarity
4. Factory installed motor leads are long enough to
extend approximately 18-inches out from the access
cutout
5. Attach both T1 motor leads to compressor motor
terminal T1
6. Attach both T2 motor leads to compressor motor
terminal T2
7. Attach both T3 motor leads to compressor motor
terminal T3
8. Compressor motor terminal board
Routing of Control Wiring to
AFDH Cabinet
Important: All field installed wiring runs between the
chiller controls and the AFDH control box
must be routed through the factory
provided conduit holes at the hinged side of
the AFDH control box enclosure.
AFDH-SVN02D-EN