Carrier 50GL-A User Manual

ProductData 50GLSingle-PackageElectric CoolingUnits with Puron® (R-410A) Refrigerant 2 to 5 Nominal Tons Copyright 2001 Carrier Corporation Form 50GL

10 I Determine cooling and heating requirements at design conditions: Given:Required Cooling Capacity (TC). . . . . . . . . . 33,500 BtuhSensible He

11 Performance data- Standard PSC Indoor Motor COOLING CAPACITIES See Legend and Notes on page 13. 50GL024 COOLING PERFORMANCE TABLETemp (F)Outdoor A

12 Performance data (cont)- Standard PSC Indoor Motor COOLING CAPACITIES See Legend and Notes on page 13. 50GL036 COOLING PERFORMANCE TABLETemp (F)Ou

13Performance data (cont)-Standard PSC Indoor MotorCOOLING CAPACITIES50GL048 COOLING PERFORMANCE TABLETemp (F)Outdoor AirEnteringCondenserEvaporator A

14Performance data (cont)ECONOMIZER 1-in. FILTER PRESSURE DROP (in. wg)MULTIPLICATION FACTORSExample: 15.0 kW (at 240v) heater on 208 v= 15.0 (.75 mul

15WET COIL DELIVERY—STANDARD 50GL UNIT 024-060NOTES: 1. Deduct 10% For 208v.2. Deduct field-supplied air filter pressure drop to obtain external Stati

1650GL ICM FIOP DRY COIL AIRFLOW–SMALL CABINET50GL ICM FIOP DRY COIL AIRFLOW–LARGE CABINET50GL ICM FIOP WET COIL PRESSURE DROPUNITSIZECFM ADJUSTPIN SE

17INDOORTHERMOSTATDISCONNECTPER NEC*FROMPOWERSOURCERETURNAIRTOP COVER*NEC - NATIONAL ELECTRICAL CODETypical piping and wiringROOFRETURN-AIRFLEXIBLE DU

18Condensate trap — A 2-in. condensate trap must be fieldsupplied.Ductwork — Secure downflow discharge ductwork to roofcurb. For horizontal discharge ap

19Electrical dataUNITSIZE50GLV-PH-HzVOLTAGERANGECOMPRESSOROUTDOORFAN MOTORINDOORFAN MOTOR ELECTRIC HEAT POWER SUPPLYMin Max RLA LRA FLA FLA Nominal kW

2 cooling unit that is pre-wired, pre-piped, and pre-charged for minimum installation expense. 50GL units are available in a variety of standard cool

2050GL WITH ICM FIOP ELECTRICAL DATAUNITSIZE50GLV-PH-HzVOLTAGERANGECOMPRESSOROUTDOORFAN MOTORINDOORFAN MOTOR ELECTRIC HEATSINGLE POINTPOWER SUPPLYMin

21Typical wiring schematic — 208/230-1-60 shown

22208/230-3-30Typical wiring schematic — 208/230-3-60 shown

23Typical wiring schematic — 460-3-60 shown

24ICM FIOP wiring schematic— 208-230-1-60

25Operating sequenceCooling — When the system thermostat calls for cooling, 24V is supplied to the “Y” and “G” terminals of the thermostat.This comple

26Packaged Electric Cooling Units Constant Volume ApplicationHVAC Guide SpecificationsSize Range: 2 to 5 Tons, Nominal CoolingCarrier Model Number: 50

272. All fan motors shall have permanently lubricatedbearings, and inherent, automatic reset, thermaloverload protection.3. Condenser fan motor shall

Carrier Corporation • Indianapolis, IN 46231 5-01Manufacturer reserves the right to discontinue, or change at any time, specifications or designs wit

3 Model number nomenclatureARI* capacities COOLING CAPACITIES AND EFFICIENCIES50GL WITH ICM FIOP RATINGS **“A” Capacity- 80°F indoor db/67°F indoor w

4 OUTDOOR SOUND: ONE-THIRD OCTAVE BAND DATA—DECIBELS Physical data * Required filter sizes shown are based on the larger of the ARI (Air Conditioning

5 Factory-installed optionsCoil options include copper/copper and vinyl-coated construction for refrigerant coils. Units are shipped standard with c

6 ECONOMIZERFILTER RACK MANUAL OUTSIDE AIR DAMPERDAMPERBLADEMANUAL OUTSIDEAIR HOODREPLACEMENTPANEL

7 Base unit dimensions—50GL024-036 UNITELECTRICALCHARACTERISTICSUNIT WEIGHTUNIT HEIGHTin. [mm]“A”CENTER OF GRAVITYin. [mm]lb kg X Y Z50GL024 208/230-

8 Base unit dimensions—50GL042-060 UNITELECTRICALCHARACTERISTICSUNIT WEIGHTUNIT HEIGHTin. [mm]“A”CENTER OF GRAVITYin. [mm]lb kg X Y Z50GL042 208/230-

9 Accessory dimensionsUNIT SIZE ODS CATALOG NUMBER Ain. [mm]Bin. [mm] C in. [mm]Din. [mm]50GL024-036CPRFCURB006A00 8 [203] 11 [279] 16-1/2 [419]