Unit installation
IOMM ACZ/AGZ-3  ACZ / AGZ-BM  29 
Table 18, ACZ 090B - 110B, AGZ 075BM – 090BM 
MODEL NUMBER 
PHYSICAL DATA 
ACZ 090B 
AGZ 075BM 
ACZ 100B 
AGZ 085BM 
ACZ 110B 
AGZ 090BM 
BASIC DATA  Ckt.1 Ckt.2 Ckt.1 Ckt.2 Ckt.1 Ckt.2 
Number Of Refrigerant Circuits  2  2  2 
Unit Operating Charge, R-22, lbs.  56  56  56  66  66  66 
Unit Operating Charge, R-22, (kg)  25 25 25 30 30 30 
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)  5630 (2556)  5790 (2629)  5950 (2701) 
Unit Shipping Weight, Lbs. (kg)  5510 (2502)  5670 (2574)  5830 (2647) 
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) 
REMOTE EVAPORATOR - SHELL AND TUBE (AGZ-BM ONLY)   
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) 










