Product manual

20 IOMM ACR/AGR-1
Table 13, ACR 075A - 090A
PHYSICAL DATA ACR MODEL NUMBER
STANDARD EFFICIENCY 075AS 080AS 090AS
BASIC DATA Ckt.1 Ckt.2 Ckt.1 Ckt.2 Ckt.1 Ckt.2
Unit Capacity @ ARI Conditions (1), mbh (kW) 871 (255.0) 959 (280.7) 1078 (315.8)
Number Of Refrigerant Circuits 2 2 2
Unit Operating Charge, R-22, Lbs. 55 55 80 80 80 80
Unit Operating Charge, R-22, (kg) (24.9) (24.9) (36.3) (36.3) (36.3) (36.3)
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
Cabinet Dimensions, LxWxH, (mm) 2388 x 2241 x 2444 3463 x 2241 x 2444 3463 x 2241 x 2444
Unit Operating Weight, Lbs. (kg) 3935 (1785) 4670 (2118) 4905 (2225)
Unit Shipping Weight, Lbs. (kg) 3825 (1735) 4510 (2046) 4745 (2152)
Add'l Weight If Copper Finned Coils, Lbs. (kg) 830 (375) 1245 (565) 1245 (565)
COMPRESSORS
Type Semi-Hermetic Semi-Hermetic Semi-Hermetic
Nominal Horsepower 35 35 40 40 40 50
Number Of Cylinders Per Compressor 6 6 6 6 6 8
Oil Charge Per Compressor, Oz. 140 140 255 255 255 255
Oil Charge Per Compressor, (g) (3969) (3969) (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
Standard 6 Stages -83-100 -83-100 -86-100
Standard Staging - Circuit #2 in Lead 0-17-33-51-67 0-17-33-50-67 0-27-42-56-71
Standard 6 Stages -84-100 -83-100 -85-100
CONDENSERS - HIGH EFFICIENCY FIN AND TUBE TYPE WITH INTEGRAL SUBCOOLING
Coil Face Area,Sq. Ft. 58 58 87 87 87 87
Coil Face Area, (M
2
) (5.4) (5.4) (8.1) (8.1) (8.1) (8.1)
Finned Height x Finned Length, In. 100x 83.5 100x 83.5 100x125.9 100x125.9 100x125.9 100x125.9
Finned Height x Finned Length, (mm) 2032 x 2121 2032 x 2121 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
Pumpdown Capacity @ 90% Full (lbs) 108 108 162 162 162 162
Pumpdown Capacity @ 90% Full (kgs) (49.) (49.) (73.5) (73.5) (73.5) (73.5)
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) 4 - 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)
Fan And Motor RPM, 60Hz 1140 1140 1140
60 Hz Fan Tip Speed, FPM (M/Sec) 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)
NOTES:
1. Nominal capacity based on 95°F ambient air and 45 psig suction pressure, no refrigerant line loss.
2. Does not include evaporator, suction or liquid line charge. Unit shipped with R-22 holding charge.
3. Units with 1.0 Hp Fan Motors, Uses 1.5 Hp Fan Motors when unit is 380V / 60 Hz and 575V / 60Hz.