McQuay ALR 032E

IM 676 17
Table 12, Physical data ALR170E Through 185E
PHYSICAL DATA ALR MODEL NUMBER
170E 180E 185E
BASIC DATA Ckt.1 Ckt.2 Ckt.1 Ckt.2 Ckt.1 Ckt.2
Unit Capacity @ ARI Conditions (1), Tons (kW) 167.2 (587.9) 177.3 (623.4) 185.8 (653.3)
Number Of Refrigerant Circuits 2 2 2
Unit Operating Charge, R-22, Lb. 140 140 145 145 145 145
Unit Operating Charge, R-22, (kg) (52.2) (52.2) (54.4) (54.4) (54.4) (54.4)
Cabinet Dimensions, LxWxH, In. 263 x 83 x 93 263 x 83 x 93 263 x 83 x 93
Cabinet Dimensions, LxWxH, (mm) (6690 x 2118 x 2369) (6690 x 2118 x 2369) (6690 x 2118 x 2369)
Unit Operating Weight, Lbs. (kg) 11805 (5355) 11805 (5355) 11805 (5355)
Unit Shipping Weight, Lbs. (kg) 11405 (5174) 11405 (5174) 11405 (5174)
Add'l Weight If Copper Finned Coils, Lb. (kg) 1930 (876) 1930 (876) 1930 (876)
COMPRESSORS
Type Semi-Hermetic Semi-Hermetic Semi-Hermetic
Nominal Horsepower 50-50 50-50 50-60 50-60 60-60 60-60
Number Of Cylinders Per Compressor 8 - 8 8 - 8 8 - 8 8 - 8 8 - 8 8 - 8
Oil Charge Per Compressor, Oz. 255 - 255 255 - 255 255 - 255 255 - 255 255 - 255 255 - 255
Oil Charge Per Compressor, (g) (7229 -
7229)
(7229 -
7229)
(7229 -
7229)
(7229 -
7229)
(7229 -
7229)
(7229 -
7229)
CAPACITY REDUCTION STEPS - PERCENT OF COMPRESSOR DISPLACEMENT
Standard Staging - Circuit #1 in Lead
Standard 6 Stages (N/A on MicroTech Units) 0-19-37-44-50-75-100 0-17-34-40-46-73-100 0-19-37-44-50-75-100
Standard Staging - Circuit #2 in Lead
Standard 6 Stages (N/A on MicroTech Units) 0-19-37-44-50-75-100 0-17-34-40-46-73-100 0-19-37-44-50-75-100
Optional Staging - Circuit #1 in Lead
Optional 8 Stages (Std. on MicroTech Units) 0-19-37-44-50 0-17-34-40-46 0-19-37-44-50
-62-75-87-100 -67-89-94-100 -62-75-87-100
Optional Staging - Circuit #2 in Lead
Optional 8 Stages (Std. on MicroTech Units) 0-19-37-44-50 0-17-34-40-46 0-19-37-44-50
-62-75-87-100 -67-89-94-100 -62-75-87-100
CONDENSERS - HIGH EFFICIENCY FIN AND TUBE TYPE WITH INTEGRAL SUBCOOLING
Coil Face Area,Sq. Ft. 135 135 135 135 135 135
Coil Face Area, (M
2
) (12.5) (12.5) (12.5) (12.5) (12.5) (12.5)
Finned Height x Finned Length, In. 80 x 243 80 x 243 80 x 243 80 x 243 80 x 243 80 x 243
Finned Height x Finned Length, (mm) (2032 x
6172)
(2032 x
6172)
(2032 x
6172)
(2032 x
6172)
(2032 x
6172)
(2032 x
6172)
Fins Per Inch x Rows Deep 16 x 3 16 x 3 16 x 3 16 x 3 16 x 3 16 x 3
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) 14 - 28 (711) 14 - 28 (711) 14 - 28 (711)
Number Of Motors - HP (kW) 14 - 1.5 (1.1) 14 - 1.5 (1.1) 14 - 1.5 (1.1)
Fan And Motor RPM, 60/50Hz 1100/915 1100/915 1100/915
60 Hz Fan Tip Speed, FPM 8063 8063 8063
60 Hz Total Unit Airflow, CFM 126280 126280 126280
DIRECT EXPANSION EVAPORATOR - BAFFLED SHELL AND THRU-TUBE
Diameter, in. - Length, Ft. 18 - 10 18 - 10 18 - 10
Diameter, (mm) - Length, (mm) (457 - 3048) (457 - 3048) (457 - 3048)
Water Volume, Gallons, (L) 57.30 (216.9) 57.30 (216.9) 57.30 (216.9)
Maximum Water Pressure, psig (kPa) 175 (1207) 175 (1207) 175 (1207)
Maximum Refrigerant Working Pressure, psig (kPa) 225 (1552) 225 (1552) 225 (1552)
Water Inlet / Outlet Victaulic Connections, In. (mm) 6 (152.4) 6 (152.4) 6 (152.4)
Drain - NPT int, In. (mm) .375 (9.5) .375 (9.5) .375 (9.5)
Vent - NPT int, In. (mm) .375 (9.5) .375 (9.5) .375 (9.5)
NOTE:
1. Nominal capacity based on 95F ambient air and 54F/44F water range.