Carrier Corporation 
•
 Indianapolis, IN 46231   12-99
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Book 1 2 4 Page 12 Catalog No. 003-800 Printed in U.S.A. PC 101 Form 38CKX-C3PD
Tab 3a 1a 2a Replaces: 38CKX-C2PD
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 shall be manufactured in a facility registered to 
ISO9001/BS5750 Part II, International Standard for quality 
systems. Unit design shall comply with European standards 
and bear the CE Mark.
Unit will be rated in accordance with the latest edition of 
ARI Standard 210.
Unit construction will comply with latest edition of ANSI/
ASHRAE and with NEC (U.S.A. Standard).
Unit will be constructed in accordance with UL standards.
Unit cabinet will be capable of withstanding Federal Test 
Method Standard No. 141 (Method 6061) 500-hr salt spray 
test (U.S.A. Standard).
Air-cooled condenser coils will be leak tested at 150 psig 
(1034 KPa) and pressure tested at 300 psig (2068 KPa).
Delivery, Storage, and Handling
Unit will be shipped as single package only and is stored 
and handled per unit manufacturer’s recommendations.
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 
(R-22), and special features required prior to field start-up.
Unit Cabinet
Unit cabinet will be constructed of galvanized steel, 
bonderized, and coated with a powder coat paint.
F
ans
Condenser fan will be direct-drive propeller type, 
discharging air upward.
Air-Cooled, Split-System
Air Conditioner
38CKX
2 to 5 Tons Nominal
(7 to 17.5 Kw)
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, suction shutoff valves 
with sweat connections, system charge of refrigerant R-22, 
and compressor oil.
Operating Characteristics
The capacity of the unit will meet or exceed _____ Btuh 
(kw) at a suction temperature of _____ °F (°C). 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 (kw) 
or greater at conditions of _____ CFM (L/S) entering air 
temperature at the evaporator at _____ °F (°C) wet bulb 
and _____ °F (°C) dry bulb, and air entering the unit at 
_____ °F (°C).
Electrical Requirements
Nominal unit electrical characteristics will be _____ v, 
__ phase, 50 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.