McQuay AGR 070AS User Manual

IOMM AGR-1 AGR 070A through 100A 13
Physical Data
Table 7, AGR 070AS – AGR 085AS
AGR MODEL NUMBER
PHYSICAL DATA
STANDARD EFFICIENCY
070AS 075AS 080AS 085AS
BASIC DATA Ckt.1 Ckt.2 Ckt.1 Ckt.2 Ckt.1 Ckt.2 Ckt.1 Ckt.2
Unit Capacity @ ARI Conditions (1), Tons (kW) 67.5 (237.6) 70.1 (246.7) 77.9 (273.9) 84.7 (298.1)
Number Of Refrigerant Circuits 2222
Unit Operating Charge, R-22, lbs. (kg) 60 (27.2) 84 (38.1) 84 (38.1) 86 (39.9) 86 (39.9) 86 (39.9) 86 (39.9) 86 (39.9)
Unit Operating Charge, R-134a, , lbs. (kg) 63 (28.6) 88 (40.0) 88 (40.0) 90 (41.9) 90 (41.9) 90 (41.9) 90 (41.9) 90 (41.9)
Cabinet Dimensions, LxWxH, In. 94.0 x 88.2 x 96.2 136.4 x 88.2 x 96.2 136.4 x 88.2 x 96.2 136.4 x 88.2 x 96.2
Cabinet Dimensions, LxWxH, (mm) 2388 x 2241 x 2444 3463 x 2241 x 2444 3463 x 2241 x 2444 3463 x 2241 x 2444
Unit Operating Weight, Lbs. (kg) 4276 (5506) 5506 (2497) 5740 (2604) 5921 (2686)
Unit Shipping Weight, Lbs. (kg) 4169 (5359) 5359 (2431) 5593 (2537) 5774 (2619)
Add'l Weight If Copper Finned Coils, Lbs. (kg) 830 (375) 1245 (565) 1245 (565) 1245 (565)
COMPRESSORS
Type Semi-Hermetic Semi-Hermetic Semi-Hermetic Semi-Hermetic
Nominal Horsepower 35 40 40 40 40 50 50 50
Number Of Cylinders Per Compressor 66666888
Oil Charge Per Compressor, oz. 140 255 255 255 255 255 255 255
Oil Charge Per Compressor, (g) (3969) (7229) (7229) (7229) (7229) (7229) (7229) (7229)
CAPACITY REDUCTION STEPS - PERCENT OF COMPRESSOR DISPLACEMENT
Standard Staging - Circuit #1 in Lead 0-16-33-49-67 0-17-33-50-67 0-15-42-58-73 0-25-50-63-75
-83-100 -83-100 -86-100 -88-100
Standard Staging - Circuit #2 in Lead 0-17-33-51-67 0-17-33-50-67 0-27-42-56-71 0-25-50-63-75
-84-100 -83-100 -85-100 -88-100
CONDENSERS - HIGH EFFICIENCY FIN AND TUBE TYPE WITH INTEGRAL SUBCOOLING
Coil Face Area, sq. ft. 58 58 87 87 87 87 87 87
Coil Face Area, (m
2
) (5.4) (5.4) (8.1) (8.1) (8.1) (8.1) (8.1) (8.1)
Finned Height x Finned Length, In. 100x 83.5 100x 83.5 100x125.3 100x125.3 100x125.3 100x125.3 100x125.3 100x125.3
Finned Height x Finned Length, (mm)
2032 x
2121
2032 x
2121
2540 x
3183
2540 x
3183
2540 x
3183
2540 x
3183
2540 x
3183
2540 x
3183
Fins Per Inch x Rows Deep 16 x 3 16 x 3 16 x 3 16 x 3 16 x 3 16 x 3 16 x 3 16 x 3
Pumpdown capacity @ 90% lbs. (kg) 108 (49) 108 (49) 162 (73) 162 (73) 162 (73) 162 (73) 162 (73) 162 (73)
Maximum Relief Valve Pressure Setting, psig (kPa) 450 (3103) 450 (3103) 450 (3103) 450 (3103) 450 (3103) 450 (3103) 450 (3103) 450 (3103)
CONDENSER FANS – DIRECT DRIVE PROPELLER TYPE
Number Of Fans - Fan Diameter, In. (mm) 4 - 28 (712) 6 - 28 (712) 6 - 28 (712) 6 - 28 (712)
Number Of Motors - HP (kW) 4 - 2.0 (1.5) 6 - 2.0 (1.5) 6 - 2.0 (1.5) 6 - 2.0 (1.5)
Fan And Motor RPM, 60Hz 1140 1140 1140 1140
60 Hz Fan Tip Speed, fpm (m/Sec) 8357 (35.4) 8357 (35.4) 8357 (35.4) 8357 (35.4)
60 Hz Total Unit Airflow, cfm (m3/sec) 40800 (19.3) 61200 (28.9) 61200 (28.9) 61200 (28.9)
DIRECT EXPANSION EVAPORATOR - BAFFLED SHELL AND THRU-TUBE
Diameter, in. - Length, ft. 12.75- 4 12.75 - 5.5 12.75 - 5.5 12.75 - 5.5
Diameter, (mm) – Length, (mm) 324 - 1220 324 - 1676 324 - 1676 324 - 1676
Water Volume, gallons, (l) 12.8 (48.5) 17.6 (66.6) 17.6 (66.6) 17.6 (66.6)
Maximum Water Pressure, psig (kPa) 175 (1207) 175 (1207) 175 (1207) 175 (1207)
Maximum Refrigerant Working Pressure, psig (kPa) 225 (1552) 225 (1552) 225 (1552) 225 (1552)
Water Inlet / Outlet Victaulic Connections, In. (mm) 5 (141.3) 5 (141.3) 5 (141.3) 5 (141.3)
Drain - NPT int, In. (mm) .375 (9.5) .375 (9.5) .375 (9.5) .375 (9.5)
Vent - NPT int, In. (mm) .375 (9.5) .375 (9.5) .375 (9.5) .375 (9.5)
NOTE: Nominal capacity based on 95°F ambient air and 54°F/44°F water range.

McQuay AGR 070AS Specifications

General

Brand	McQuay
Model	AGR 070AS
Category	Chiller
Language	English