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Table 1A — Physical Data — 60 Hz
*See Oil Charge section for Carrier-approved oil.
Table 1B — Physical Data — 50 Hz
*See Oil Charge section for Carrier-approved oil.
UNIT 30GTN 015 020 025 030 035
COMPRESSOR Reciprocating, Semi-Hermetic
No. ...Type 1...06DG537 1...06E2250 1...06E7265 1...06E7275 1...06E7299
No. Cyls (ea)...Speed, Rpm (r/s) 6...1750 (29) 4...1750 (29) 6...1750 (29) 6...1750 (29) 6...1750 (29)
Capacity Steps 32 3 3 3
Oil Charge*, Pt (L) 8 (3.8) 17 (8.0) 21 (9.9) 21 (9.9) 19 (9.0)
REFRIGERANT CHG, R-22
Total/Over Clear Glass, lb (kg) 25.0 (11.3)/5.0 (2.3) 31.0 (14.1)/7.0 (3.2) 40.0 (18.1)/12.0 (5.4) 47.0 (21.3)/14.0 (6.4) 57.0 (25.9)/8.0 (3.6)
CONDENSER FANS, Type Propeller Type, Direct Drive
No. ...Diameter, in. (mm) 2...30 (762) 2...30 (762) 3...30 (762)
Total Airflow, Cfm (L/s) 10,600 (5000) 15,700 (7400) 23,700 (11 200)
Speed, Rpm (r/s) 1140 (19) 1140 (19) 1140 (19)
CONDENSER COIL, Type Horizontal Plate Fin
Rows...Fins/in. (Fin Spacing mm) 2...19 (1.34) 3...17 (1.49) 2...19 (1.34) 3...17 (1.49) 3...17 (1.49)
Total Face Area, sq ft (m
2
) 23.5 (2.18) 23.5 (2.18) 39.2 (3.64) 39.2 (3.64) 58.4 (5.43)
COOLER Shell and Tube, Direct Expansion
Net Water Volume, gal. (L) 6.8 (25.7) 9.9 (37.5) 12.8 (48.4)
Maximum Design Working Pressure
psig (kPa)
Refrigerant Side — 235 (1620)
Water Side — 150 (1034)
WATER CONNECTIONS, in.
Inlet and Outlet 2 FPT 2
1
/
2
FPT
Drain
3
/
4
MPT
3
/
4
MPT
UNIT 30GTN 015 020 025 030
COMPRESSOR Reciprocating, Semi-Hermetic
No. ...Type 1...06E2250 1...06E7265 1...06E7275 1...06E7299
No. Cyls (ea)...Speed, Rpm (r/s) 4...1450 (24.2) 6...1450 (24.2) 6...1450 (24.2) 6...1450 (24.2)
Capacity Steps 2333
Oil Charge*, Pt (L) 17 (8.0) 21 (9.9) 21 (9.9) 19 (9.0)
REFRIGERANT CHG, R-22
Total/Over Clear Glass, lb (kg) 26.0 (11.8)/6.0 (2.7) 35.0 (15.9)/8.0 (3.6) 42.0 (19.0)/12.0 (5.4) 49.0 (22.2)/14.0 (6.4)
CONDENSER FANS, Type Propeller Type, Direct Drive
No. ...Diameter, in. (mm) 2...30 (762) 2...30 (762)
Total Airflow, Cfm (L/s) 10,600 (5000) 15,700 (7400)
Speed, Rpm (r/s) 950 (15.8) 950 (15.8)
CONDENSER COIL, Type Horizontal, Plate Fin
Rows...Fins/in. (Fin Spacing mm) 2...19 (1.34) 3...17 (1.49) 2...19 (1.34) 3...17 (1.49)
Total Face Area, sq ft (m
2
) 23.5 (2.18) 23.5 (2.18) 39.2 (3.64) 39.2 (3.64)
COOLER Shell and Tube, Direct Expansion
Net Water Volume, gal. (L) 6.8 (25.7) 9.9 (37.5)
Maximum Design Working Pressure
psig (kPa)
Refrigerant Side — 235 (1620)
Water Side — 150 (1034)
WATER CONNECTIONS, in.
Inlet and Outlet 2 FPT
Drain
3
/
4
MPT
→
→
1201