Carrier Corporation
•
Indianapolis, IN 46231
11-99
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Book
1
4
Page 24
Catalog No. 523-787
Printed in U.S.A.
PC 101
Form 38TZ
A
-3PD
Tab
3a 2a
Replaces: 38TZA-2PD
Guide specifications
GENERAL
System Description
Outdoor-mounted, air-cooled, split-system air conditioner
unit suitable for ground or rooftop installation. Unit consists
of a hermetic compressor, an air-cooled coil, propeller-type
condenser fan, and a control box. Unit will discharge supply
air upward as shown on contract drawings. Unit will be used
in a refrigeration circuit to match up to a packaged fan coil
or coil unit.
Quality Assurance
Unit will be rated in accordance with the latest edition of
ARI Standard 210.
Unit will be certified for capacity and efficiency, and listed
in the latest ARI directory.
Unit construction will comply with latest edition of ANSI/
ASHRAE and with NEC.
Unit will be constructed in accordance with UL standards
and will carry the UL label of approval. Unit will have c-UL
approval.
Unit cabinet will be capable of withstanding Federal Test
Method Standard No. 141 (Method 6061) 500-hr salt spray
test.
Air-cooled condenser coils will be leak tested at 150 psig
and pressure tested at 450 psig.
Unit constructed in ISO9001 approved facility.
Delivery, Storage, and Handling
Unit will be shipped as single package only and is stored
and handled per unit manufacturer’s recommendations.
Warranty (for inclusion by specifying engineer)
U.S. and Canada only.
PRODUCTS
Equipment
Factory assembled, single piece, air-cooled air conditioner
unit. Contained within the unit enclosure is all factory
wiring, piping, controls, compressor, refrigerant charge
Puron® (R-410A), and special features required prior to field
start-up.
Refrigerant
Refrigerant will be Puron® (R-410A) HFC refrigerant with
zero ozone depletion potential. Puron® is approved under
the EPA’s Significant New Alternatives Program (SNAP).
Unit Cabinet
Unit cabinet will be constructed of galvanized steel,
bonderized, and coated with a powder coat paint.
Fans
Condenser fan will be direct-drive propeller type,
discharging air upward.
Air-Cooled, Split-System
Air Conditioner
38TZA
2 to 5 Tons Nominal
Condenser fan motors will be totally enclosed, 1-phase
type with class B insulation and permanently lubricated
bearings.
Shafts will be corrosion resistant.
Fan blades will be statically and dynamically balanced.
Condenser fan openings will be equipped with PVC-coated
steel wire safety guards.
Compressor
Compressor will be hermetically sealed.
Compressor will be mounted on rubber vibration isolators.
Condenser Coil
Condenser coil will be air cooled.
Coil will be constructed of aluminum fins mechanically
bonded to copper tubes which are then cleaned, dehydrated,
and sealed.
Refrigeration Components
Refrigeration circuit components will include liquid-line
shutoff valve with sweat connections, vapor-line shutoff
valve with sweat connections, system charge of Puron®
(R-410A) refrigerant, and compressor oil.
Operating Characteristics
The capacity of the unit will meet or exceed _____ Btuh at
a suction temperature of _____ °F. The power consumption
at full load will not exceed _____ kw.
Combination of the unit and the evaporator or fan coil unit
will have a total net cooling capacity of _____ Btuh or
greater at conditions of _____ CFM entering air temperature
at the evaporator at _____ °F wet bulb and _____ °F dry
bulb, and air entering the unit at _____ °F.
The system will have an SEER of _____ Btuh/watt or
greater at DOE conditions.
Electrical Requirements
Nominal unit electrical characteristics will be _____ v,
single phase, 60 hertz. The unit will be capable of
satisfactory operation within voltage limits of _____ v
to _____ v.
Unit electrical power will be single point connection.
Control circuit will be 24v.
Special Features
Refer to section of this literature identifying accessories
and descriptions for specific features and available
enhancements.
