10
Table 10-1  General Data  23-25 Tons
TC*275 (23 Tons) TC*305 (25 Tons)
Cooling Performance1
Nominal Gross Capacity(Btuh) 279,000 (81.8 kW) 304,000 (89.1 kW)
System Power kW 26.1 30.2 kW
Compressor
Number/Type 2/Scroll 2/Scroll
Nominal Motor HP (ea) 8.4/12.5 11.7
Motor RPM 2875 2875
Natural Gas Heat2Low High Low High
Heating Input(Btuh) 290,000 (85.0 kW) 500,000 (147 kW) 290,000 (85.0 kW) 500,000 (147 kW)
First Stage 250,000 (73.3 kW) 425,000 (125 kW) 250,000 (73.3 kW) 425,000 (125 kW)
Heating Output(Btuh) 243,000 (69.0 kW) 405,000 (119 kW) 243,000 (69.0 kW) 405,000 (119 kW)
First Stage 202,500 (59.4 kW) 344,250 (101 kW) 202,500 (59.4 kW) 344,250 (101 kW)
Steady State Efficiency(%) 381 81
No. Burners/No. Stages 1/2 1/2
Gas Connect Pipe Size (in) 0.75 (19 mm) 0.75 (19 mm)
Outdoor Coil - Type LANCED LANCED
Tube Size OD (in) 0.375 (10 mm) 0.375 (10 mm)
Face Area (sq ft) 51.3 (4.8 sq m) 51.3 (4.8 sq m)
Rows/Fins Per Inch (25mm) 2/16 2/16
Indoor Coil - Type HI-PERFORM HI-PERFORM
Tube Size OD (in) 0.500 (13 mm) 0.500(13 mm)
Face Area (sq ft) 31.7 (2.9 sq m) 31.7 (2.9 sq m)
Rows/Fins Per Inch (25mm) 2/14 2/14
Refrigerant Control TXV TXV
PVC Drain Connect No./Size (in) 1/1.25 (1/32 mm) 1/1.25 (1/32 mm)
Outdoor Fan Type PROP FAN PROP FAN
No. Used 3 3
Diameter (in.) 28.0 (711 mm) 28.0 (711 mm)
Drive Type/No. Speeds DIRECT/1 DIRECT/1
Cfm 20,450 (9650 L/s) 20,450 (9650 L/s)
No. Motors (RPM) 3 (940) 3 (940)
Motor HP 0.75 (0.56 kW) 0.75 (0.56 kW)
Indoor Fan Type/No. Used FC/1 FC/1
Diameter (in) 22.4 (568 mm) 22.4 (568 mm)
Width (in) 22.0 (559 mm) 22.0 (559 mm)
Drive Type BELT BELT
No. Speeds/No. Motors 1/1 1/1
Motor HP 7.5 (5.6 kW) 7.5 (5.6 kW)
Motor RPM/Frame Size 1460/213T 1460/213T
Filters - Type THROWAWAY THROWAWAY
Furnished/No. Yes/16 Yes/16
Recommended Size (in) 16X 20 X2 (406X 508 X51mm) 16x20x2 (406X 508x51mm)
Refrigerant Type R-22 R-22
Factory Charge (lbs) 446 (21 kg) 46 (21 kg)
Notes:
1. Cooling Performance is rated at 95°F (35°C) ambient, 80°F (27°C) entering dry bulb, 67°F (19°C) entering wet bulb. Gross capacity does not include the effect of
fan motor heat.
2. Heating Performance Limit settings and ratings data were established and approved under laboratory test conditions using American National Standards.
3. Steady State Efficiency is rated in accordance with DOE test procedures.
4. Refrigerant charge is an approximate value. For a more precise value, see unit nameplate and service instructions.
General
Data