67
MODEL NUMBER NOMENCLATURE
(ODS Model Number)
ARI* CAPACITY RATINGS
549B036-060
549B072-120
LEGEND
*Air Conditioning and Refrigeration Institute.
†
Applies only to units with capacity of 60,000 Btuh or less.
NOTE:
Rated in accordance with ARI Standard 210/240-95 and 270-95. Rat-
ings are net values, reflecting effects of circulating fan heat. Supple-
mentary electric heat is not included. Ratings based on:
Cooling Standard:
80 F db (dry bulb), 67 F wb (wet bulb) indoor
entering-air temperature and 95 F db outdoor entering-air temperature.
IPLV Standard:
80 F db, 67 F wb indoor entering-air temperature and
80 F db outdoor entering-air temperature.
High-Temp Heating Standard:
70 F db indoor entering-air temperature
and 47 F db, 43 F wb outdoor entering-air temperature.
Low-Temp Heating Standard:
70 F db indoor entering-air temperature
and 17 F db, 15 F wb outdoor entering-air temperature.
UNIT
549B
NOMINAL
TONS
COOLING
HEATING (High Temp)
SOUND
RATING
(decibels)
Cap.
(Btuh)
SEER†
Cap.
(Btuh)
HSPF†
036
3 36,000 12.0 34,000 7.6 76
048
4 46,000 12.0 46,000 7.6 76
060
5 60,000 11.9 60,000 7.6 80
UNIT
549B
NOMINAL
TONS
COOLING
HEATING
(High)
HEATING
(Low)
SOUND
RATING
(decibels)
IPLV
Cap.
(Btuh)
EER
Cap.
(Btuh)
COP
Cap.
(Btuh)
COP
072
6 71,000 10.5 69,000 3.4 37,000 2.2 80 —
090
7
1
/
2
88,000 10.3 85,000 3.3 48,000 2.2 82 —
120
10 116,000 10.3 114,000 3.3 64,000 2.2 84 10.4
Cap. —
Net Capacity (Btuh)
COP —
Coefficient of Performance
EER —
Energy Efficiency Ratio
HSPF —
Heating Seasonal Performance Factor
IPLV —
Integrated Part-Load Values
SEER —
Seasonal Energy Efficiency Ratio
Nominal Tons
036 – 3
048 – 4
060 – 5
072 – 6
090 – 7-1/2
120 – 10
Factory-Installed Options
See 549B price pages for
factory-installed option codes
549B E X 090 000 AA
549B – Single-Packaged High-Efficiency
Heat Pump Unit
Voltage Designation
E – 460-3-60
J – 208/230-1-60
P – 208/230-3-60
X – No Heat Installed
(Field-installed electric heaters available)
Electric Heaters
000 – No factory-installed electric heaters
LEGEND
ODS —
Order Distribution System
50TFQ004-012
549B036-120