51
9.10.
MLB Multi-Zone Specifications (4 Ton)
Nominal Size - Tons
4
Outdoor Unit Model No.
MLB048S4M
Number of Zones
Up to 5
Ambient Temperature Range - °F
Cooling
–22 - 122
Heating
–22 - 86
Sound Data (dBA)
Cooling
64
Heating
64
Refrigerant
Charge furnished (R-410A)
10 lbs. 3 oz.
Maximum line length with furnished charge (per zone) - ft.
25
Additional charge required per ft. - oz.
0.16 (1/4 in.) / 0.32 (3/8 in.)
Compressor
No. and Type
Rotary
Refrigerant oil type
Ester Oil VG74
Refrigerant oil charge - oz.
49
Connections - in.
Gas pipe (flare)
(5) 1/4 + (3) 3/8 + (2) 1/2
Maximum pipe length for all rooms - ft.
262
Maximum pipe length for one indoor unit - ft.
115
Max. height difference between indoor and outdoor units - ft.
49
Max. height difference between indoor units - ft.
33
Outdoor
Fan
(No.) Diameter - in.
(2) 22
Total air volume - cfm
4500
rpm
800/700/600
Outdoor Coil
Number of rows
2
Fins per inch
18
Fin type
Hydrophilic aluminum
Tube outside diameter - in.
3/8
Tube type
Rifled copper tubing
Net face area - ft.²
6.43+6.97
Design Pressure
PSIG
550/340
Shipping Data
Net/Shipping weight (lbs.)
239 / 270
ELECTRICAL DATA
Electrical Characteristics - 60 Hz - 1 Phase
208/230V
1
Maximum Overcurrent Protection (amps)
50
2
Minimum circuit ampacity
35
Outdoor Fan Motor
Rated load amps
(2) 0.39
Output - W
(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:
036 - (3) 3/8 x 1/2 in. and (1) 1/2 x 3/8 in.
048 - (3) 3/8 x 1/2 in., (2) 1/2 x 3/8 in., (2) 1/4 x 3/8 in. and (2) 1/2 x 5/8 in.
