47
9.6.
MLB Single-Zone Specifications (3 - 4 Ton)
Nominal Size - Tons
3
4
Outdoor Unit Model No.
MLB036S4S
MLB048S4S
Ambient Temperature Operating
Range - °F
Cooling
–22 - 122
–22 - 122
Heating
–22 - 86
–22 - 86
Energy Star Certified?
No
No
Sound Data (dBA)
Cooling
65
65
Heating
65
65
Refrigerant
Charge furnished (R-410A)
16 lbs. 0 oz.
16 lbs. 0 oz.
Maximum line length with furnished charge - ft.
25
25
Additional charge required per ft. - oz.
0.32
0.32
Compressor
No. and Type
Twin-Rotary
Twin-Rotary
Refrigerant oil type
Ester Oil VG74
POE VG74
Refrigerant oil charge - oz.
49.4
49.4
Connections - in.
Liquid/Gas pipe (flare)
3/8 / 5/8
3/8 / 5/8
Maximum refrigerant pipe length - ft.
213
213
Max. difference in level of indoor unit - ft.
98
98
Outdoor
Fan
(No.) Diameter - in.
(2) 22
(2) 22
Total air volume - cfm
4470
4470
rpm
900
900
Outdoor Coil
Number of rows
2
2
Fins per inch
18
18
Fin type
Hydrophilic aluminum
Tube outside diameter - in.
3/8
3/8
Tube type
Rifled copper tubing
Net face area - ft.
2
6.43+6.97
6.43+6.97
Design Pressure
PSIG
550/340
550/340
Shipping Data
Net/Shipping weight (lbs.)
223 / 248
228 / 256
ELECTRICAL DATA
Electrical Characteristics - 60 Hz - 1 Phase
208/230V
208/230V
1
Maximum Over-current Protection (amps)
50
50
2
Minimum circuit ampacity
39
36.3
Outdoor Fan Motor
Rated load amps
(2) 0.39
(2) 0.39
Output - W
(2) 85
(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.