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TABLE OF CONTENTS
Page
Features/Benefits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Model Number Nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . 2
ARI Capacity Ratings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Physical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Field-Installed Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Base Unit Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Selection Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Performance Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-8
Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9,10
Typical Wiring Schematics . . . . . . . . . . . . . . . . . . . . . . . .10-13
Typical Piping and Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Application Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Guide Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15,16
MODEL NUMBER NOMENCLATURE
ARI* CAPACITY RATINGS
LEGEND
*Air-conditioning and Refrigeration Institute.
NOTES:
1. Ratings are at zero condenser air static and rated in accordance with ARI
Standard 210.
UNIT
502A
V-PH-Hz
TOTAL
kW
NET TOTAL
COOLING CAP. (Btuh)
NOMINAL
CFM
EER SEER
SEER
(with TDR)
SOUND RATING
(dB)
024
208/230-1-60 2.6 25,000 800 — 10.80 11.00 78
036
208/230-1-60
4.3 36,000 1200
—10.00 10.05
82208/230-3-60 9.0 — —
460-3-60 9.0 — —
048
208/230-1-60
5.5 49,500 1600
—10.20 10.40
82
208/230-3-60 9.1 — —
460-3-60 9.1 — —
575-3-60 9.1 — —
060
208/230-1-60
6.9 58,500 2000
—9.7510.05
82
208/230-3-60 8.55 — —
460-3-60 8.55 — —
575-3-60 8.55 — —
dB —
Decibels
EER —
Energy Efficiency Ratio
SEER —
Seasonal Energy Efficiency Ratio
TDR —
Time-Delay Relay
2. EER =
NET CAPACITY (Btuh)
TOTAL WATTS
502A P X 048 000 AB
Model Designation
502A Horizontal, Indoor
Single-Package Cooling Unit
Voltage
J — 208/230-1-60
P — 208/230-3-60
E — 460-3-60
T — 575-3-60
Nominal Tons
024 — 2
036 — 3
048 — 4
060 — 5
X —Heat Not Installed
(field-installed electric heaters available)
Electric Heaters
000— No factory-installed electric heaters
Indoor Fan Motor
AA — Standard Motor
AB — 1.5 hp Optional Motor*
*Factory-Installed option, contact your local representative for specific information.