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MLB SPECIFICATIONS MULTI-ZONE | 2.5 & 3 TON
Nominal Size - Tons 2.5 3
Outdoor Unit Model No. MLB030S4M MLB036S4M
Number of Zones Up to 3 Up to 4
Ambient Temperature Range - °F Cooling –22 - 122 –22 - 122
Heating –22 - 86 –22 - 86
Sound Data (dBA) 63 63
Refrigerant Charge furnished (R-410A) 8 lbs. 6 oz. 10 lbs. 2 oz.
Maximum line length with furnished charge (per zone) - ft. 74 98
Additional charge required per ft. - oz. 0.16 0.16
Compressor No. and Type (1) Rotary (1) Rotary
Refrigerant oil type Ester Oil VG74 Ester Oil VG74
Refrigerant oil charge - oz. 33.8 47.3
Connections - in. Liquid+Gas pipe (are) (3) 1/4 liq. + (3) 3/8 gas (3) 1/4 liq. + (3) 3/8 gas
(1) 1/4 liq. + (1) 1/2 gas
Maximum pipe length for all rooms - ft. 197 262
Maximum pipe length for one indoor unit - ft. 98 115
Max. height dierence between indoor and outdoor units - ft. 49 49
Max. height dierence between indoor units - ft. 33 33
Outdoor
Fan
(No.) Diameter - in. (1) 22 (2) 22
Total air volume - cfm 2150 4500
rpm 1000 / 900 / 750 800 / 700 / 600
Outdoor Coil Number of rows 2.6 2
Fins per inch 16 18
Fin type Hydrophilic aluminum
Tube outside diameter - in. 3/8 3/8
Tube type Ried copper tubing
Net face area - ft.² 8.16 6.54
Design Pressure PSIG 540 / 340 540 / 340
Shipping Data Net/Shipping weight (lbs.) 168 / 180 224 / 255
ELECTRICAL DATA
Electrical Characteristics - 60 Hz - 1 Phase 208/230V 208/230V
1
Maximum Overcurrent Protection (MOCP) amps 40 50
2
Minimum circuit ampacity (MCA) 25 35
Outdoor Fan Motor Output - W 120 (2) 85
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.
NOTE - Adaptors are furnished for the gas pipe connections:
018 - (2) 3/8 x 1/2 in.
030 - (3) 3/8 x 1/2 in.
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