Carrier WeatherExpert 48N2 Installation Instructions Manual page 7

Table 1 — Physical Data 48N Sizes N-T (75-150 Tons Nominal Capacity) (cont)
BASE UNIT
NOMINAL CAPACITY (tons)
OPTIONAL POWER EXHAUST
Power Exhaust
Diameter (in.)
Wheel and Blade Type
Maximum Allowable Cfm
Maximum Allowable Speed (rpm)
Shaft Diameter at Pulley (in.)
High Static Power Exhaust
Diameter (in.)
Wheel and Blade Type
Maximum Allowable Cfm
Maximum Allowable Speed (rpm)
Shaft Diameter at Pulley (in.)
OPTIONAL RETURN FAN
Return Fan
Diameter (in.)
Wheel and Blade Type
Maximum Allowable Cfm
Maximum Allowable Speed (rpm)
Shaft Diameter at Pulley (in.)
High Static Return Fan
Diameter (in.)
Wheel and Blade Type
Maximum Allowable Cfm
Maximum Allowable Speed (rpm)
Shaft Diameter at Pulley (in.)
MIXED AIR FILTERS
MERV 7 Pleated Filters
Quantity
Size (in.)
MERV 8 Pleated Filters
Quantity
Size (in.)
MERV 14 Pleated Filters
Quantity
Size (in.)
MERV 14 Cartridge Filters, 2 or 4-in. in Pre-Filters
Quantity
Size (in.)
MERV 14 Bag, 2 or 4-in. in Pre-Filters
Quantity
Size (in.)
MERV 15 Bag, 2 or 4-in. in Pre-Filters
Quantity
Size (in.)
FINAL FILTERS
MERV 14 Cartridge Filters, 2 or 4-in. in Pre-Filters
Quantity
Size (in.)
MERV 15 Bag, 2 or 4-in. in Pre-Filters
Quantity
Size (in.)
MERV 17 HEPA, 2 or 4-in. in Pre-Filters
Quantity
Size (in.)
OUTSIDE AIR SCREENS
Standard Hood (Motorized OA and Economizer
Options)
Quantity
Size (in.)
LEGEND
Cu-Al — Copper-to-Aluminum
DWDI — Double Width Double Inlet
FPI — Fins per Inch
MBtuh — Btuh in Thousands
MCHX — Microchannel Heat Exchanger
RTPF — Round Tube Plate Fin
SWSI — Single Width Single Inlet
N P
75 90
20
42,000
1,200
1.75
36
DWDI Forward Curve
42,000
650
2.5
40
SWSI Plenum Airfoil
52,500
1236
2.5
50
45
60,000
60,000
780
850
2 inch, MERV 7
28
20x24x2
4 inch, MERV 8
28
20x24x4
4 inch, MERV 14
28
20x24x4
12 inch, MERV 14 Cartridge Filters
20
(15) 20x24x12, (5) 24x24x12
12 inch, MERV 14 Bag Filters
20
(15) 20x24x12, (5) 24x24x12
19 inch, MERV 15 Bag Filters
20
(15) 20x24x19, (5) 24x24x19
12 inch, MERV 14 Cartridge Filters
19
(14) 20x24x12, (5) 24x24x12
19 inch, MERV 15 Bag Filters
19
(14) 20x24x19, (5) 24x24x19
12 inch, MERV 17 HEPA Filters, 99.99%
19
(14) 24x12x12, (5) 24x24x12
Aluminum Frame, Permanent
12 Screens
16 7/8 x 31
* Base unit includes: economizer dampers and hoods, filter tracks less filters, evaporator coil
mounting less the evaporator, extended plenum, and standard efficiency condenser. For 75-
105 nominal ton units only, base unit weight also includes the short supply fan section.
7
Q R
105 120 130
23
DWDI Forward Curve
60,000
1,200
1.75
DWDI Forward Curve
60,000
600
SWSI Plenum Airfoil
60,000
1236
56
SWSI Plenum Airfoil
60,000
720
3
2 inch, MERV 7
20x25x2
4 inch, MERV 8
20x25x4
4 inch, MERV 14
20x25x4
12 inch, MERV 14 Cartridge Filters
24x24x12
12 inch, MERV 14 Bag Filters
24x24x12
19 inch, MERV 15 Bag Filters
24x24x19
12 inch, MERV 14 Cartridge Filters
24x24x12
19 inch, MERV 15 Bag Filters
24x24x19
12 inch, MERV 17 HEPA Filters, 99.99%
24x24x12
16 Screens
16 7/8 x 31
S T
150
40
3
40
2.5
28
28
28
20
20
20
19
19
19