52 AFDH-SVN01A-EN
Installation
Grounding AFDH cabinet
WARNING
Ground Wire!
All field-installed wiring must be completed by qualified personnel. All field-installed wiring
must comply with NEC and applicable local codes. Failure to follow this instruction could result
in death or serious injuries.
WARNING
Grounding Required!
Follow proper local and state electrical code on requirements for grounding. Failure to follow
code could result in death or serious injury.
NOTICE
Use Copper Conductors Only!
Unit terminals are not designed to accept other types of conductors. Failure to do so could
cause damage to the equipment.
1. Run a suitable, unbroken, grounding conductor from the drive cabinet’s ground connection
terminal to the motor’s ground terminal, and then on to earth ground.
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 L1 leads to the L1 terminal, both
L2 leads to the L2 terminal, and both L3 leads to the L3 terminal).
a. Torque the 3/8-inch bolts at each terminal connection to 44 foot-pounds.
Figure 28. Location of AFDH cabinet ground terminal
1. Cabinet ground connection terminal
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