Model Number Nomenclature - Bryant 581A/B Product Information Manual

581A – Single Package
High Efficiency Gas/Electric Unit
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
Nominal Tons
155 – 13 Tons
180 – 15 Tons
181 – 15 Tons with hot gas reheat*
*See pages 213 and 214 for cooling capacity tables for 5581A181 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 – High Efficiency Rooftop
Units Gas Heating/
Electric Cooling
Constant Volume
Voltage Designation
E – 460-3-60
P – 208/230-3-60
T – 575-3-60
Indoor Fan, Orientation, Hinged Doors
Return/Supply Smoke Detector Options*
Nominal Cooling Capacity
210 – 18 Tons
240
– 20 Tons
300
– 25 Tons
Gas Heat Input (Btuh)
250 – 250,000 25S-- 250,000 w/SS Heat Exchanger
365 – 365,000 36S-- 365,000 w/SS Heat Exchanger
400 – 400,000 40S-- 400,000 w/SS Heat Exchanger
SS — Stainless Steel
*Refer to unit price pages.

MODEL NUMBER NOMENCLATURE

581A155, 180, 181 — 13 to 15 Tons
581A E V
MODEL NUMBER NOMENCLATURE
581A210-300 — 18 to 25 Tons
5 8 1 A E A 2
180 230 – – C B
Fan Drive Position
(Standard Motor)
B – Standard Low-Medium
D – Alternate High Fan
Factory-Installed Outdoor-Air
and Other Upgrade Options
C – EconoMi$er IV
H – Manual Outdoor-Air Damper
Design Series Change
Gas Heat Input (Btuh)
230 – 230,000
275 – 275,000
300 – 300,000
360 – 360,000
1 0 2 5 0 –
7
Fan Drive Static
Capability
Drive Static Capability
a48-8194
– A A
Factory-Installed
Options*
Coil Protection Options*
Design Series Code
a48-8208