Operating instructions

IMM AGSB-60 29
Table 21, Physical Data, AGS 450B – AGS 475B
AGS MODEL NUMBER
DATA 450B 475B
Ckt. 1 Ckt. 2 Ckt. 3 Ckt. 1 Ckt. 2 Ckt. 3
BASIC DATA
Unit Cap. @ ARI, tons (kW) 440.5 (1546) 453.9 (1593)
Unit Operating Charge, lbs (kg) 358 (162) 358 (162) 358 (162) 358 (162) 358 (162) 358 (162)
Cabinet Dim., L x W x H, in. (mm)
548 x 88 x 100
(13919 x 2235 x 2550)
548 x 88 x 100
(13919 x 2235 x 2550)
Unit Operating Weight, lbs. (kg) 27611 (12537) 27611 (12537)
Unit Shipping Weight, lbs (kg) 26885 (12204) 26885 (12204)
COMPRESSORS, SCREW, SEMI-HERMETIC
Nominal Capacity, tons (kW) 125 (437) 150 (525) 150 (525) 150 (525) 150 (525) 150 (525)
CONDENSERS, HIGH EFFICIENCY FIN AND TUBE TYPE WITH INTEGRAL SUBCOOLER
Coil Face Area, ft
2
. (m
2
)
213 (19.9) 213 (19.9) 213 (19.9) 213 (19.9) 213 (19.9) 213 (19.9)
Fins Per Inch x Rows Deep 16 x 3 16 x 3 16 x 3 16 x 3 16 x 3 16 x 3
CONDENSER FANS, DIRECT DRIVE PROPELLER TYPE
No. of Fans -- Fan Dia., in. (mm) 24 – 30 (762) 24 – 30 (762)
No. of Motors -- hp (kW) 24 – 2 (1.5) 24 – 2 (1.5)
Fan & Motor RPM, 60Hz 1140 1140
60 Hz Fan Tip Speed, fpm 8954 8954
60 Hz Total Unit Airflow, ft
3
/sec 259,200 259,200
EVAPORATOR, FLOODED SHELL AND TUBE
Shell Dia. -- Tube Length
in.(mm) - in. (mm)
30 (762) – 108 (2743) 30 (762) – 108 (2743)
Evaporator R-134a Charge lbs
(kg
214 (97) 214 (97) 214 (97) 214 (97) 214 (97) 214 (97)
Water Volume, gallons (liters) 79 (300) 79 (300)
Max. Water Pressure, psi (kPa) 150 (1034) 150 (1034)
Max. Refrigerant Press. psi (kPa) 200 (1379) 200 (1379)
NOTE: Weights shown are for aluminum fin coils. Add 158 lbs. (72 kg) per fan to operating or shipping weights for copper fins.