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9.5. MLB Single-Zone Specications (0.75 - 2 Ton)
Nominal Size - Tons 0.75 1 1.5 2
Outdoor Unit Model No. MLB009S4S-1P MLB012S4S-1P MLB018S4S-1P MLB024S4S-1P
Ambient Temperature Operating
Range - °F
Cooling –22 - 122 –22 - 122 –22 - 122 –22 - 122
Heating –22 - 86 –22 - 86 –22 - 86 –22 - 86
Energy Star Certied? Yes Yes Yes Yes
Sound Data (dBA)
Cooling 54.5 56 59 62
Heating 54.5 56 59 62
Refrigerant Charge furnished (R-410A) 2 lbs. 9 oz. 2 lbs. 9 oz. 4 lbs. 1 oz. 5 lbs. 12 oz.
Maximum line length with furnished charge - ft. 15 15 15 30
Additional charge required per ft. - oz. 0.16 0.16 0.16 0.32
Compressor
No. and Type (1) Rotary (1) Rotary (1) Rotary (1) Rotary
Refrigerant oil type VG74 VG74 VG74 VG74
Refrigerant oil charge - oz. 11.8 11.8 21 21
Connections - in. Liquid/Gas pipe (are) 1/4 / 3/8 1/4 / 1/2 1/4 / 1/2 3/8 / 5/8
Maximum refrigerant pipe length - ft. 82 82 98 164
Max. difference in level of indoor unit - ft. 33 33 65 82
Outdoor
Fan
(No.) Diameter - in. (1) 17 (1) 17 (1) 19 (1) 22
Total air volume - cfm 1120 1180 1355 2355
rpm 810 810 850 810
Outdoor Coil
Number of rows 2 2 2 2
Fins per inch 18 18 18 19
Fin type Hydrophilic aluminum
Tube outside diameter - in. 3/8 3/8 3/8 3/8
Tube type Ried copper tubing
Net face area - ft.
2
4.73 4.73 5.19 8.16
Application area - sq. ft.
130 - 195 170 - 250 260 - 375 345 - 505
Design Pressure PSIG 550/340 550/340 550/340 550/340
Shipping Data Net/Shipping weight (lbs.) 74 / 80 74 / 79 101 / 108 134 / 144
ELECTRICAL DATA
Electrical Characteristics - 60 Hz - 1 Phase
208/230V 208/230V 208/230V 208/230V
1
Maximum Over-current Protection (amps)
15 15 25 35
2 Minimum circuit ampacity
15 15 16 25
Outdoor Fan Motor Rated load amps
0.4 0.4 0.76 0.5
Output - W
34 34 80 120
NOTE - Extremes of operating range are plus and minus 10% of line voltage.
1
HACR type circuit breaker or fuse.
2
Refer to National or Canadian Electrical Code manual to determine wire, fuse and disconnect size requirements.
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