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SPECIFICATIONS 24 TON
General
Data
Nominal Tonnage 24 Ton 24 Ton
Model No. SCB288H4B SCB288H4M
Blower Type Constant Air Volume MSAV (Multi-Stage Air
Volume) Supply Fan Option
Efciency Type High High
Cooling
Performance
Gross Cooling Capacity - Btuh 296,000 296,000
Net Cooling Capacity - Btuh 288,000 288,000
AHRI Rated Air Flow - cfm 7700 7700
Total Unit Power - kW 24.8 24.8
1
EER (Btuh/Watt) 11.6 11.6
2
IEER (Btuh/Watt) 12.8 14.2
Refrigerant Charge Furnished
R-410A
Circuit 1 16 lbs. 0 oz. 15 lbs. 8 oz.
Circuit 2 16 lbs. 0 oz. 15 lbs. 8 oz.
Circuit 3 16 lbs. 0 oz. 15 lbs. 8 oz.
Circuit 4 16 lbs. 0 oz. 15 lbs. 8 oz.
3
Sound Rating Number (dB) 94 94
Electric Heat Options Available See page 2
Compressor Type (No.) Scroll (4) Scroll (4)
Condenser Coil Net face area - sq. ft. 70.6 70.6
Tube diameter - in. 3/8 3/8
Number of rows 3 3
Fins per inch 14 14
Condenser
Fan(s)
Motor horsepower (6) 1/3 (6) 1/3
Motor rpm 1075 1075
Total Motor watts 1900 1900
Diameter - in. (6) 24 (6) 24
Number of blades 3 3
Total air volume - cfm 24,500 24,500
Evaporator Coil Net face area - sq. ft. 33.3 33.3
Tube diameter - in. 3/8 3/8
Number of rows 3 3
Fins per inch 14 14
Drain connection - no. & size (1) 1 (1) 1
Expansion device type Thermostatic Expansion Valve
4
Indoor
Blower
Nominal motor HP 5 5
Maximum usable motor HP 5.75 - - -
RPM Range (Standard Static) Drive #2 - 520-685 rpm Drive #4 - 282-846 rpm
RPM Range (High Static) Drive #3 - 685-865 rpm - - -
Nominal motor HP 7.5 7.5
Maximum usable motor HP 8.63 - - -
RPM Range Drive #6 - 770-965 rpm Drive #7 - 322-965 rpm
Wheel nominal diameter x width - in. (2) 18 x 15 (2) 18 x 15
Filters Type of lter MERV 7 or equivalent
Number and size - in. (12) 20 x 20 x 2
Electrical characteristics 208/230V, 460V, or 575V - 60 hertz - 3 phase
NOTE - Net capacity includes evaporator blower motor heat deduction. Gross capacity does not include evaporator blower motor heat deduction.
1
Rated at test conditions included in AHRI Standard 340/360, 95°F outdoor air temperature and 80°F db/67°F wb entering evaporator air; minimum external duct static
pressure.
2
Integrated Energy Efciency Ratio certied and tested according to AHRI Standard 340/360.
3
Sound Rating Number rated in accordance with test conditions included in AHRI Standard 270.
4
Using total air volume and system static pressure requirements determine from blower performance tables rpm and motor output required. Maximum usable output of
motors furnished are shown. In Canada, nominal motor output is also maximum usable motor output. If motors of comparable output are used, be sure to keep within
the service factor limitations outlined on the motor nameplate.
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