5
Physical Data – English
LEGEND
Cu-Al – Copper Tubing, Aluminium Fins Condenser Coil
Cu-Cu – Copper Tubing, Copper Fins Condenser Coil
OD – Outside Diameter
30GTN, GTR UNIT SIZE 050 060 070 080 090 100 110
APPROX OPERATING WEIGHT (lb)
Cu-Al 3916 4780 5453 6720 7135 8710 8840
Cu-Cu 4329 5197 6081 7445 7860 9660 9790
REFRIGERANT TYPE R-22
Charge (lb)
Ckt A 48 52 71 78 78 98 98
Ckt B 60 54 69 78 78 105 105
COMPRESSORS Reciprocating, Semi-Hermetic
Speed (rpm) 1450
06E (Qty) Ckt A (1) 275 (1) 299 (1) 265, (1) 265 (1) 265, (1) 299 (1) 265, (1) 299 (1) 265, (1) 299 (2) 299
(Qty) Ckt B (1) 299 (1) 299 (1) 299 (1) 299 (1) 265, (1) 275 (1) 265, (1) 299 (2) 299
Oil Charge (Compressor/pt) 265/19.0, 275/19.0, 299/19.0
No. Capacity Control Steps 4444888
Capacity (%)
Ckt A 43.3 50.0 58.0 62.0 54.0 50.0 50.0
Ckt B 56.7 50.0 42.0 38.0 46.0 50.0 50.0
Minimum Capacity Step (%) 28.8 33.3 19.3 16.0 14.0 13.0 17.0
CONDENSER FANS Propeller, Direct Drive
Fan Speed (rpm) 950
No. Blades…Dia.(in.) 6…30
No. Fans…Hp/kW (each) 4…2.5/1.85 6…2.5/1.85 6…2.5/1.85 6..2.5/1.85 6…2.5/1.85 8…2.5/1.85 8..2.5/1.85
Total Airflow (cfm) 34,000 52,000 51,000 57,000 57,000 76,000 76,000
CONDENSER COILS 3/8-in. OD Vertical and Horizontal, Plate Fin, Enhanced Copper Tubing
Fins/in. 17 17 17 17 17 17 17
No. Rows (Ckt A or B) 3233333
Face Area, Ckt A and B Total (sq ft) 80.5 116.7 116.7 128.3 128.3 168.0 168.0
Max Working Pressure Refrigerant (psig) 450
COOLER One…Direct Expansion, Shell and Tube
No. Refrigerant Circuits 2222222
Net Water Volume, includes nozzles (gal.) 13.5 18.0 18.0 24.5 24.5 30.3 30.3
Max Working Pressure Refrigerant Side (psig) 278 278 278 278 278 278 278
Max Working Pressure Fluid Side (psig) 300 300 300 300 300 300 300
FLUID CONNECTIONS (in.) Flat Face Flange
Inlet and Outlet 3444455
Drain (NPT) 3/4
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