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Lennox MMDB Service Manual

Lennox MMDB
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44
9.3. MPC Single-Zone Specications (2 - 4 Ton)
Nominal Size - Tons 2 2.5 3 4
Outdoor Unit Model No. MPC024S4S MPC030S4S MPC036S4S MPC048S4S
Ambient Temperature Operating
Range - °F
Cooling –13 - 122 –13 - 122 –13 - 122 –13 - 122
Heating –13 - 86 –13 - 86 –13 - 86 –13 - 86
Energy Star Yes No No No
Sound Data (dBA) Cooling/Heating 60 61.5 65 63.5
Refrigerant
(R-410A)
Charge furnished
5 lbs. 3 oz. 6 lbs. 1 oz. 7 lbs. 1 oz. 9 lbs. 15 oz.
Maximum line length with furnished charge - ft. 30 30 25 25
Additional charge required per ft. - oz. 0.32 0.32 0.32 0.32
Compressor
No. and Type (1) Rotary (1) Rotary (1) Rotary (1) Rotary
Refrigerant oil type
POE Oil
VG74
POE Oil
VG74
POE Oil
VG74
POE Oil
VG74
Refrigerant oil charge - oz. 21.0 22.7 33.8 47.3
Connections - in. Liquid/Gas pipe (are) 3/8 / 5/8 3/8 / 5/8 3/8 / 5/8 3/8 / 5/8
Maximum refrigerant pipe length - ft. 164 164 213 213
Max. difference in level of indoor unit - ft. 82 82 98 98
Outdoor
Fan(s)
(No.) Diameter - in. (1) 22 (1) 22 (1) 22 (2) 22
Total air volume - cfm 2235 2235 2120 4500
rpm 900 900 1050 900
Outdoor Coil
Number of rows 2.6 2.6 2 2
Fins per inch 18 18 18 18
Fin type Hydrophilic aluminum
Tube outside diameter - in. 5/16 5/16 3/8 3/8
Tube type Ried copper tubing
Net face area - ft.
2
8.21 8.22 8.16 13.53
Application area - sq. ft. 345 - 505 430 - 630 515 - 750 690 - 1010
Design Pressure PSIG 550/340 550/340 550/340 550/340
Shipping
Data
Net/Shipping weight (lbs.) 125 / 135 142 / 152 155 / 166 219 / 249
ELECTRICAL DATA
Electrical Characteristics - 60 Hz - 1 Phase
208/230V 208/230V 208/230V 208/230V
1
Maximum Over-current Protection (amps)
30 30 45 36.5
2
Minimum circuit ampacity
22 23 30 50
Outdoor Fan Motor Output - W
120 120 120 (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.

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Lennox MMDB Specifications

General IconGeneral
BrandLennox
ModelMMDB
CategoryAir Conditioner
LanguageEnglish

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