Unitary products group LA300, Installation Manual, Page: 5 / 32

66337-YIM-D-0206
Unitary Products Group 5
NOTE: LB600 Indoor Unit matches with both HB480
and HB600 Outdoor Condensing Units for
maximum efficiency.
INDOOR PRODUCT NOMENCLATURE
L A 300 C 00 A 6 A AA 1
Model #
Model Number
Description
Options
L Product Category L = Air Handling Unit
A Product Identifier
A = R-22 Standard Efficiency 2-Pipe
B = R-22 Standard Efficiency 4-Pipe
300
Nominal Cooling
Capacity
MBH
300 = 25 Ton
360 = 30 Ton
480 = 40 Ton
600 = 50 Ton
C Heat Type C = Cooling Only
00
Nominal Heating
Capacity 00 = No Heat Installed
A Airflow Options A = None
6 Voltage 5 = 575-3-60 6 = 208/230-460-3-60
A Installation Options A = None
AA Additional Options AA = None
1 Product Generation 1 = First Generation 2 = Second Generation
TABLE 1: UNIT APPLICATION DATA
Model Power Supply Voltage
Voltage Variation Supply Air Range CFM
Entering Air Temperature Degrees °F
Cooling
DB/WB
Heating DB
*
Min. Max. Min. Max. Min. Max. Min. Max.
LA300
208/230-3-60 187 253 8,000 12,000 65/57 95/72 40 77
460-3-60 414 506 8,000 12,000 65/57 95/72 40 77
575-3-60 540 630 8,000 12,000 65/57 95/72 40 77
LB360
208/230-3-60 187 253 10,000 14,000 65/57 95/72 40 77
460-3-60 414 506 10,000 14,000 65/57 95/72 40 77
575-3-60 540 630 10,000 14,000 65/57 95/72 40 77
LB480
208/230-3-60 187 253 12,800 19,200 65/57 95/72 40 77
460-3-60 414 506 12,800 19,200 65/57 95/72 40 77
575-3-60 540 630 12,800 19,200 65/57 95/72 40 77
LB600
208/230-3-60 187 253 16,000 24,000 65/57 95/72 40 77
460-3-60 414 506 16,000 24,000 65/57 95/72 40 77
575-3-60 540 630 16,000 24,000 65/57 95/72 40 77
*.
Heating Min/Max temperatures apply to steam and hot water coils. NOTE: Do not apply steam to hot water coils.