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MODEL NUMBER NOMENCLATURE — 551B
ARI* CAPACITY RATINGS
LEGEND
*Air-Conditioning & Refrigeration Institute.
†Applies only to units with capacity of 65,000 Btuh or less.
**IPLV is not applicable to single-compressor units.
NOTES:
1. Rated in accordance with ARI Standard 210/240 (036-120 units) or 360
(150 units) and 270 (036-120 units).
2. Ratings are net values, reflecting the effects of circulating fan heat. Ratings
are based on:
Cooling Standard:
80 F db, 67 wb 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.
3. All 551B036-150 units are in compliance with ASHRAE 90.1-1999 Energy
Standard for minimum SEER and EER requirements. Refer to state and
local codes or visit the following website: http://solstice.crest.org/efficiency/
bcap to determine if compliance with this standard pertains to a given geo-
graphical area of the United States.
California, Maryland, Washington, Wyoming, Massachusetts and various
local and state building codes adopted the ASHRAE 90.1-99 efficiency
standard on October 29, 2001.
UNIT
551B
NOMINAL
TONS
STANDARD
CFM
NET COOLING CAP
(Btuh)
TOTAL
kW
SEER† EER
SOUND
RATING
(dB)
036
3 1200 36,000 3.21 13.00 11.20 76
048
4 1450 46,000 4.25 13.00 11.05 76
060
5 1750 61,000 5.55 13.00 11.00 80
UNIT
551B
NOMINAL
TONS
STANDARD
CFM
NET COOLING CAP
(Btuh)
TOTAL
kW
EER
SOUND
RATING
(dB)
IPLV
072
6 2100 74,000 6.70 11.00 80 **
090
7
1
/
2
3000 90,000 8.18 11.00 82 11.6
102
8
1
/
2
3000 102,000 9.44 10.80 82 10.9
120
10 3200 120,000 10.91 11.00 84 11.4
150
12
1
/
2
4300 138,000 14.04 9.80 86 9.9
dB —
Sound Levels
EER —
Energy Efficiency Ratio
IPLV —
Integrated Part-Load Value
SEER —
Seasonal Energy Efficiency Ratio
551B036-120
Units Only
551B150
Units Only
551B E X 090 000 DA
Nominal Tons
036 – 3
048 – 4
060 – 5
072 – 6
090 – 7 1/2
102 – 8 1/2
120 – 10
150 – 12 1/2
551B – Packaged Rooftop
High Efficiency Electric
Factory-Installed Option Code
Voltage Designation
J – 208/230-1-60
P – 208/230-3-60
E – 460-3-60
T – 575-3-60
Electric Heaters
000 – No factory-installed electric heaters
X – No Heat Installed
(Field-installed electric heaters available)
NOTE:
The example model number 551BEX090000DA designates a 7
1
/
2
ton 460-3-60 volt electric cooling rooftop unit with an EconoMi$er.
0TFQ004-012
551B036-150