McQuay AGZ070BS User Manual

IOMM AGZ-5 AGZ 026B through 130B 31
Table 18, AGZ 075BS through 090BS
AGZ MODEL NUMBER
PHYSICAL DATA
075B 085B 090B
BASIC DATA
Ckt.1 Ckt.2 Ckt.1 Ckt.2 Ckt.1 Ckt.2
Unit Capacity @ ARI Conditions (1), Tons (kW) 73.7 (259.4) 79.6 (280.2) 85.5 (301.0)
Number Of Refrigerant Circuits 2 2 2
Unit Operating Charge, R-22, lbs. 59 59 59 69 69 69
Unit Operating Charge, R-22, (kg) (27) (27) (27 (31) (31) (31)
Cabinet Dimensions, LxWxH, in. 134.9 x 88.0 x 100.4 134.9 x 88.0 x 100.4 134.9 x 88.0 x 100.4
Cabinet Dimensions, LxWxH, (mm) 3426 x 2235 x 2550 3426 x 2235 x 2550 3426 x 2235 x 2550
Unit Operating Weight, Lbs. (kg) 6530 (2958) 6690 (3031) 6850 (3103)
Unit Shipping Weight, Lbs. (kg) 6320 (2863) 6480 (2935) 6640 (3008)
Add'l Weight If Copper Finned Coils, lbs. (kg) 870 (395) 870 (395) 870 (395)
COMPRESSORS
Type Tandem Scrolls Tandem Scrolls Tandem Scrolls
Nominal tonnage of each Compressor 20.0 20.0 20.0 25.0 25.0 25.0
Number Of Compressors per Circuit 2 2 2 2 2 2
Oil Charge Per Compressor, oz. 148 148 148 200 200 200
Oil Charge Per Compressor, (g) (525) (525) (525) (709) (709) (709)
CAPACITY REDUCTION STEPS - PERCENT OF COMPRESSOR DISPLACEMENT
Staging, 4 Stages, Circuit #1 in Lead 0-25-50-75-100 0-22-50-72-100 0-25-50-75-100
Staging, 4 Stages, Circuit #2 in Lead 0-25-50-75-100 0-28-50-78-100 0-25-50-75-100
CONDENSERS - HIGH EFFICIENCY FIN AND TUBE TYPE WITH INTEGRAL SUBCOOLING
Coil Face Area, sq. ft. 78.8 78.8 78.8 78.8 78.8 78.8
Coil Face Area, (m
2
) 7.3 7.3 7.3 7.3 7.3 7.3
Finned Height x Finned Length, in. 50 x113.4 50 x113.4 50 x113.4 50 x113.4 50 x113.4 50 x113.4
Finned Height x Finned Length, (mm)
1270 x
2880
1270 x
2880
1270 x
2880
1270 x
2880
1270 x
2880
1270 x
2880
Fins Per Inch x Rows Deep 16 x 3 16 x 3 16 x 3 16 x 3 16 x 3 16 x 3
Pumpdown Capacity, 90% Full Lbs. (kg) 147 (67) 147 (67) 147 (67) 147 (67) 147 (67) 147 (67)
Maximum Relief Valve Pressure Setting, psig (kPa)
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) 6 – 30 (762) 6 – 30 (762) 6 – 30 (762)
Number Of Motors - HP (kW) 6 – 2.0 6 – 2.0 6 – 2.0
Fan And Motor RPM, 60Hz 1140 1140 1140
60 Hz Fan Tip Speed, FPM (m/sec) 8950 (4224) 8950 (4224) 8950 (4224)
60 Hz Total Unit Airflow, CFM (m
3
/sec) 65,178 (30,765) 65,178 (30,765) 65,178 (30,765)
EVAPORATOR - SHELL AND TUBE
Number of Evaporators 1 1 1
Number of Refrigerant Circuits 2 2 2
Diameter, in. - Length, ft. 14.0 x 5.2 14.0 x 5.2 14.0 x 5.2
Diameter, (mm) – Length, (mm) 356 x 1585 356 x 1585 356 x 1585
Water Volume, Gallons, (L) 25 (95) 25 (95) 25 (95)
Maximum Water Pressure, psig (kPa) 152 (1047) 152 (1047) 152 (1047)
Maximum Refrigerant Working Pressure, psig (kPa) 300 (2066) 300 (2066) 300 (2066)
Water Inlet / Outlet Victaulic Connections, in. (mm) 5 (127) 5 (127) 5 (127)
Drain - NPT int, in. (mm) 0.5 (12.7) 0.5 (12.7) 0.5 (12.7)
Vent - NPT int, in. (mm) 0.5 (12.7) 0.5 (12.7) 0.5 (12.7)
NOTE:
1. Nominal capacity based on 95°F ambient air and 54°F/44°F water range.

McQuay AGZ070BS Specifications

General

Brand	McQuay
Model	AGZ070BS
Category	Chiller
Language	English