4
Unit inspection
When the unit is delivered, verify that it is the correct unit
and that it is properly equipped. Compare the information
which appears on the unit nameplate with the ordering
and submittal information. Refer to «Nameplates».
Inspect all exterior components for visible damage. Report
any apparent damage or material shortage to the carrier and
make a «unit damage» notation on the carrier’s delivery
receipt. Specify the extent and type of damage found and
notify the appropriate Trane Sales Office.
Do not proceed with installation of a damaged unit without
sales office approval.
Inspection checklist
To protect against loss due to damage incurred in transit,
complete the following checklist upon receipt of the unit.
- Inspect the individual pieces of the shipment before accep-
ting the unit. Check for obvious damage to the unit or pac-
king material.
- Inspect the unit for concealed damage as soon as possible
after delivery and before it is stored. Concealed damage
must be reported within 15 days.
- If concealed damage is discovered, stop unpacking the
shipment. Do not remove damaged materail from the
receiving location. Take photos of the damage, if pos-
sible. The owner must provide reasonable evidence that
the damage did not occur after delivery.
Notify the carrier’s terminal of the damage immediate,
joint inspection of the damage with the carrier and the
consignee.
Notify the Trane sales representative and arrange for repair.
Do not repair the unit, however, until damage is inspected
by the carrier’s representative.
Loose parts inventory
Check all the accessories and loose parts which are ship-
ped with the unit against shipping list. Included in these
items will be vessel drain plugs, rigging and electrical dia-
grams, and service literature, which are placed inside the
control panel and/or starter panel for shipment.
Unit description
The RTAA/RTAB units are one, two, three or four com-
pressor, helical-rotary type, air-cooled liquid chillers desi-
gned for installation outdoors. Compressor circuits are
completely assembled hermetic packages that are factory-
piped, wired, leak-tested dehydrated charged, and tested
for proper control operation before shipment.
Figures 1 thru 3 show a typical RTAA/RTAB unit and its
components. Table 1 contains general RTAA/RTAB mecha-
nical specifications. Chilled water inlet and outlet openings
are covered for shipment. Each circuit is factory charged
with the proper amount of refrigerant and oil. Each circuit
has a separate compressor motor starter.
General information
Figure 1A - Typical RTAB unit
Figure 1B - Typical RTAA unit
Control panel
Control panel
Starter and
power panel
Starter and
power panel
Compressor
Compressor
Condenser
coils
Condenser
coils
