Technical Guide
546039-YTG-C-0211
6 Unitary Products Group
Physical Data
NM024-060 Physical Data
Component
Models
NM024 NM030 NM036 NM042 NM048 NM060
Nominal Tonnage 2.0 2.5 3.0 3.5 4.0 5.0
ARI COOLING PERFORMANCE
Gross Capacity @ ARI A point (Btu) 24300 31500 37000 41400 48100 57500
ARI net capacity (Btu) 23300 30200 35400 40200 46500 55800
EER 10.8 11.4 11 10.8 11.2 10.8
SEER 13 13 13 13 13 13
Nominal CFM 850 1000 1200 1150 1450 1700
System power (KW) 2.15 2.64 3.21 3.72 4.15 5.17
Refrigerant type R-410A R-410A R-410A R-410A R-410A R-410A
Refrigerant charge (lb-oz)
System 1
4-6 4-6 4-8 4-8 4-12 4-14
DIMENSIONS (inches)
Length 47-1/4 47-1/4 47-1/4 47-1/4 57-9/16 57-9/16
Width 32-13/16 32-13/16 32-13/16 32-13/16 32-13/16 32-13/16
Height 30-15/16 30-15/16 30-15/16 30-15/16 34-15/16 34-15/16
OPERATING WT. (lbs.) 276 279 315 315 357 350
COMPRESSORS
Type Recip Recip Recip Recip Recip Scroll
Quantity 111111
CONDENSER COIL DATA
Face area (Sq. Ft.) 11.2 11.2 11.2 11.2 15.1 15.1
Rows 111111
Fins per inch 23 23 23 23 23 23
Tube diameter (in.) .71/18 .71/18 .71/18 .71/18 .71/18 .71/18
Circuitry Type 2-pass Microchannel 2-pass Microchannel 2-pass Microchannel 2-pass Microchannel 2-pass Microchannel 2-pass Microchannel
EVAPORATOR COIL DATA
Face area (Sq. Ft.) 4.67 4.67 4.67 4.67 5.44 5.44
Rows 334434
Fins per inch 13 13 13 13 13 13
Tube diameter 3/8 3/8 3/8 3/8 3/8 3/8
Circuitry Type Intertwined Intertwined Intertwined Intertwined Intertwined Intertwined
Refrigerant control Orifice Orifice Orifice Orifice Orifice Orifice
CONDENSER FAN DATA
Quantity 111111
Fan diameter (Inch) 20 20 20 20 22 22
Type Prop Prop Prop Prop Prop Prop
Drive type Direct Direct Direct Direct Direct Direct
No. speeds 1 1 1 1 1 1
Number of motors 1 1 1 1 1 1
Motor HP each 1/4 1/4 1/4 1/3 1/3 1/3
RPM 850 1100 1100 1100 1100 1100
Nominal total CFM 2500 2800 2800 3000 3200 3200
DIRECT DRIVE EVAP FAN DATA
Quantity 111111
Fan Size (Inch) 10 x 7 10 x 7 10 x 7 10 x 7 11 x 10 11 x 10
Fan type Centrifugal Centrifugal Centrifugal Centrifugal Centrifugal Centrifugal
Drive type Direct Direct Direct Direct Direct Direct
No. speeds 3 3 3 5 5 5
Number of Motors 1 1 1 1 1 1
Motor HP each 1/2 1/2 1/2 1/2 1 1
RPM 1075 1075 1075 1100 1100 1100
Frame size 48 48 48 48 48 48
FILTERS
Quantity - Size ------