2
Unit Design
— Copper tube, enhanced
sine wave aluminum fin coil is designed
for optimum heat transfer. Vertical air
discharge carries sound and hot
condenser air up and away from adjacent
patio areas and foliage. Heat pump style
drain pan allows for easy removal of
water, dirt, and leaves.
Application Versatility
— The unit
can be combined with a wide variety of
evaporator coils and blower packages
to provide quiet, dependable comfort.
Unit can be installed on a roof or at
ground level.
External Service Valves
— Both
service valves are brass, front seating
type. The 38CKX has sweat field
connections. Valves are externally
located so refrigerant tube connections
can be made quickly and easily. Each
valve has a service port for ease of
checking operating refrigerant pressures.
Easy Serviceability
— One access
panel provides access to electrical
controls and compressor. Removal of
wire dome gives access to fan motor
and removal of the top gives access to
the coil.
Standard Features
— All units are
equipped with high and low-pressure
switches. The 048 and 060 sizes have a
compressor short cycle protector. The
036, 048 and 060 sizes also have a
compressor sound hood for noise
attenuation.
The data in this publication is displayed for all series, however, every series may not be available from manufacturer.
Physical data
* Tube sizes are for runs up to 50 ft (15.24m). For tube set over 50 ft (15.24m), consult Residential Split System Long-Line Application Guideline.
NOTE:
See unit Installation Instructions for proper installation.
UNIT SIZE/SERIES 024-71 036-71, 91 048-91 060-91
OPERATING WT (Lb/Kg)
131 / 59.4 148 / 67.1 209 / 94.8 220 / 99.8
COMPRESSOR
Manufacturer & Type
Copeland & Recip Copeland & Recip Copeland & Scroll Copeland & Scroll
REFRIGERANT
Control
Charge (Lb/Kg) @ 15 ft
22
AccuRater® (Bypass Type)
3.4 / 1.5 4.8 / 2.2 6.25 / 2.8 9.75 / 4.4
COND FAN
Air Discharge
Air Qty (CFM / L/S)
Propeller Type, Direct Drive
Vertical
2600 / 1214 3300 / 1541
COND COIL
Face Area (Sq ft / m
2
)
7.5 / 0.697 10.8 / 1.003 14.9 / 1.384 22.4 / 2.081
VALVE CONNECT. (In./mm ID)
Vapor
Liquid
Sweat
5/8 / 15.875 3/4 / 19.05 7/8 / 22.225
3/8 / 9.525
REFRIG TUBES* (In./mm OD)
Vapor
Liquid
5/8 / 15.875 3/4 / 19.05 7/8 / 22.225 1-1/8 / 28.575
3/8 / 9.525
Model number nomenclature
38CKX 024
Electric Air Conditioner
Nominal Capacity
024 — 24,000 Btuh (7.0 Kw) 048 — 48,000 Btuh (14.1 Kw)
036 — 36,000 Btuh (10.6 Kw) 060 — 60,000 Btuh (17.6 Kw)
713
Packaging
Series
Electrical
7 — 230-1-50
9 — 400-3-50
IP24
Additional Compressor Protection
— Each compressor is protected with
internal temperature- and current-
sensitive overloads.
Safety
— All units are designed and
manufactured in accordance with
Underwriters Laboratories (UL 1995)
safety standard for heating and cooling
equipment. The design
and construction are in compliance
with European standards to bear
the CE Mark.
Quality Assurance
REGISTERED QUALITY SYSTEM
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