Installation Considerations For Remote Floor-Mounted Afdh; Confirm Chiller Controller System Compatibility With Afdh Drive; Equipment Room Ambient Temperature Con; Siderations - Trane AFDH Installation Instructions Manual

Pre-Installation
clearance distances specified by the local electrical
codes. Typical code regulations require an average of
36 inches of clearance from the panel to
nonconducting surfaces and 47 inches to a conducting
surface. Check and confirm that when installed, the
drive clearances will conform to all local codes. Do not
forget to account for cabinet door swing clearances.
Note: Refer to manual section
Specifications," p. 22
weights of all models of AFDH drives.
Installation Considerations for Remote
Floor-Mounted AFDH
NOTICE:
Excessive Cable Lengths Between AFDH
Drive and Compressor Motor!
The variable frequency drive industry recommends that
the length of the electrical cables connecting a drive
unit to a motor should be kept to less than 250 feet to
protect the motor from reflected voltage waves that
can cause the motor to fail. Cable lengths that exceed
250 feet between the drive and the motor create the
potential for damage to occur to the motor windings
and/or insulation. Trane assumes no responsibility for
equipment damage caused by use of improper cable
lengths.
Important:
• Other factors that affect the space required to
successfully install a remote floor-mounted AFDH
drive include the clearance distances specified by the
local electrical codes. Typical code regulations require
an average of 36 inches of clearance from the panel to
nonconducting surfaces and 47 inches to a conducting
surface. Check and confirm that when installed, the
drive clearances will conform to all local codes. Do not
forget to account for cabinet door swing clearances.
• Plan the installation location of a remote floor-
mounted AFDH drive to position it in relation to the
chiller compressor motor such that the maximum
length of the cables connecting the drive to the motor
will not exceed 250 feet.
Notes:
• Conduit connections to the AFDH for the power output
wiring can be made either at the back of the cabinet or
on the top of the cabinet. Which of these options is
chosen shall be at the discretion of the installing
electrician.
• Refer to "AFDH Drive Package Specifications," p. 22
the dimensions and weights of all models of AFDH
drives.
12
"AFDH Drive Package
for the dimensions and
Confirm Chiller Controller System
Compatibility with AFDH Drive
Before starting the process of installing the AFDH, first
confirm that the existing chiller controller system has the
hardware and/or software components required to make it
compatible with an AFDH retrofit.
The controller systems that can accept an AFDH retrofit
are:
• Tracer® CH531 retrofit control upgrade packages (all
models).
Note: The factory installed Tracer® CH530 chiller
controller system will not support an AFDH Air-
Cooled Adaptive Frequency™ Drive. The
controller system must first be upgraded to
Tracer® AdaptiView™ before an AFDH retrofit
package can be installed.
• Tracer® AdaptiView™
Note: UC800 controller must be equipped with a
Tracer® AdaptiViewÿ software version
released in January 2019 or newer. Upload the
correct Tracer® AdaptiView™ software version
as required.
Equipment Room Ambient
Temperature Considerations
An air-conditioned equipment room is not a prerequisite
for the installation and operation of an AFDH upgrade
drive package.
However, be advised that all models of the AFDH air-
cooled drives are not suitable for installation into
equipment rooms where the ambient temperature
conditions are expected to exceed either 104°F for a
continuous 24-hour period, or where the potential
maximum ambient temperatures can exceed 113°F.
If the ambient temperatures exceed either of these
conditions, the potential exists to trigger a drive shut down
from an over temperature fault—effectively disabling the
chiller until the drive temperature drops to the factory set,
non-adjustable, safe temperature level that will allow the
drive to be restarted.
If the ambient temperature routinely exceeds either of
these conditions, the overall service life of the drive may
be compromised. Verify the drive location will meet the
environmental conditions specified in the table below.
Table 1. Environmental conditions
for
Condition
Operating Temperature (inside
NEMA 1 enclosure)
Ambient Temperature (outside
NEMA 1 enclosure)
Storage Temperature (Ambient)
Specification
32°F to 131°F (0°C to 55°C)
32°F to 104°F (0°C to 40°C)
-40°F to 149°F (-40°C to 65°C)
AFDH-SVN005B-EN