Equipment Room Ambient Temperature Con; Siderations; Chiller Upgrades - Trane CVHE Installation Instructions Manual

a. Compare these X-code numbers to the hardware
part numbers listed in
i. If the X-codes are equal to or greater than the
hardware part numbers listed in
module type, then the modules are both
hardware and software compatible with an
AFDH retrofit.
ii. If either (or both) X-codes are lower than the
hardware part numbers listed in
module or modules have an unacceptable
hardware part number for use with an AFDH
retrofit. Go to Step
2. If the hardware X-code on a Chiller or a Clear Language
Display module is unacceptable for use with an AFDH
retrofit, proceed to determine the revision level of the
software contained within each module before
condemning it as being totally unusable. To determine
the module software's AFDH compatibility, go to the
Table 1. AFDH-compatible UCP2 module hardware and software part numbers
UCP2™ Module Types (Capable of
Speed Reduction to 42 Hz)
Chiller Module
Clear Language Display Module
UCP2™ Module Types (Capable of
Speed Reduction to 38 Hz)
Chiller Module
Clear Language Display Module
Equipment Room Ambient
Temperature Considerations
An air-conditioned equipment room is not a prerequisite
for the installation and operation of an AFDH retrofit 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.
AFDH-SVN03H-EN
Table 1.
Table 1 for each
Table 1, the
2.
Hardware Part Number -
Extension
X13650450-04 to 15
X13650448-03 to 14
Hardware Part Number -
Extension
X13650450-16 or higher
X13650448-15 or higher
UCP2™ Clear Language Display and access the
Module Software Revision Levels menu found under
the Service Tests group. Record the software service
part numbers displayed for both modules.
a. Compare these software service part numbers to
the software part numbers listed in
i. If these part numbers are equal to or greater than
the software part numbers listed in
each module type, then these modules have
previously received a service retrofit and are
actually compatible with an AFDH retrofit
despite their root hardware part number.
ii. If either (or both) these part numbers are lower
than the software part numbers listed in
the module or modules cannot be used with an
AFDH drive. Purchase the appropriate
replacement modules through service parts.
Software Service Part Number -
Extension
6200-0038-05 to 16
6200-0056-07 to 23
Software Service Part Number -
Extension
6200-0038-17 or higher
6200-0056-24 or higher

Chiller Upgrades

• The chiller condenser loop setpoint should be set to
72°F to fully exploit the energy savings possible with a
retrofit AFDH drive.
• In some climates and applications, it may be beneficial
to set the condenser loop setpoint even lower, to 65°F.
Important: Under such low condenser water
conditions, use of an oil recovery system is
recommended. These systems are found on
all Trane® chillers built since 1985.
Pre-Installation
Table 1.
Table 1 for
Table 1,
11