9
MODEL NUMBER NOMENCLATURE
581A155, 180, 181 — 13 to 15 Tons
MODEL NUMBER NOMENCLATURE
581A210-300 — 18 to 25 Tons
*See pages 212 and 213 for cooling capacity tables for 581A181 unit. For all other data,
contact application engineering.
NOTE:
All indoor-fan motors 5 hp and larger meet the minimum efficiency requirements
as established by the Energy Policy Act of 1992 (EPACT) effective October 24, 1997.
The example model number: 581AEV180230--CB designates a 15 ton 460-3-60 high
efficiency gas/electric rooftop unit with 230,000 Btuh natural gas input, EconoMi$er IV
and standard, low-medium fan drive static capability.
581A E V 180 230 – – C B
581A –
Single Package
High Efficiency Gas/Electric Unit
Nominal Tons
155 –
13 Tons
180
181
–
–
15 Tons
15 Tons with hot gas reheat*
Voltage Designation
E –
460-3-60
P –
208/230-3-60
T –
575-3-60
Fuel and Control Type
V –
Natural Gas/Electric Relight Pilot
Fan Drive Position
(Standard Motor)
B –
Standard Low-Medium
Fan Drive Static
Capability
D –
Alternate High Fan
Drive Static Capability
Factory-Installed Outdoor-Air
and Other Upgrade Options
C –
EconoMi$er IV
H –
Manual Outdoor-Air Damper
Gas Heat Input (Btuh)
230 –
230,000
275 –
275,000
300 –
300,000
360 –
360,000
Design Series Change
a48-8194
Summary of Contents for 581A
Page 30: ...30 BASE UNIT DIMENSIONS 580F036 072 a48 8195 580F036 151 ...
Page 31: ...31 BASE UNIT DIMENSIONS 580F073 a48 8196 580F036 151 ...
Page 32: ...32 BASE UNIT DIMENSIONS 580F090 120 150 a48 8197 580F036 151 ...
Page 33: ...33 BASE UNIT DIMENSIONS 580F091 103 121 151 a48 8198 580F036 151 ...
Page 91: ...91 BASE UNIT DIMENSIONS 581B036 072 a48 8199 581B036 150 ...
Page 93: ...93 ACCESSORY DIMENSIONS 581B036 072 a48 8201 581B036 150 ...
Page 94: ...94 ACCESSORY DIMENSIONS 581B090 150 a48 8202 581B036 150 ...
Page 150: ...150 BASE UNIT DIMENSIONS 581C024 060 581C024 060 ...
Page 198: ...198 TYPICAL WIRING SCHEMATICS 579F 579F240 208 230 V Shown a48 7929 ...
Page 205: ...205 BASE UNIT DIMENSIONS 580F180 210 a48 8203 580F180 300 ...
Page 206: ...206 BASE UNIT DIMENSIONS 580F240 a48 8204 ...
Page 207: ...207 BASE UNIT DIMENSIONS 580F300 a48 8205 580F180 300 ...
Page 209: ...209 ACCESSORY DIMENSIONS 580F300 Vertical Roof Curbs 580F300 a48 7456 580F180 300 ...
Page 233: ...233 BASE UNIT DIMENSIONS 581A210 300 a48 8206 581A155 180 ...
Page 237: ...237 ACCESSORY DIMENSIONS 581A210 300 a48 8234 581A155 180 ...
Page 280: ...280 TYPICAL PIPING AND WIRING 581A 581A155 Shown LEGEND NEC National Electrical Code b48 1258 ...
Page 297: ...297 ...