Carrier 50GL-A Manuel d'instructions

150GL---ASingle Packaged 50 H z, CE Air Co n dit io n er Sy s temwith Puron (R ---410A) Refrigerant7---14 kW (Sizes 24---48)Installation InstructionsN

10Table 1 – Physical Data --Unit 50GL --AUNIT SIZE 24 30 36 48NOMINAL CAPACITY (ton) 2 2 --- 1 / 2 3 4SHIPPING WEIGHT lb.SHIPPING WEIGHT (kg)287130.03

11STANDARD CONNECTIONLocate the low voltage terminal block in 24 volt splice box. SeeFig. 10 for connection diagram. Run the low--voltage leads fromth

12method for evaluating the unit charge. Do not use mercury or smalldial--type thermometers because they are not adequate for this typeof measurement.

13Table 3 – 400--V MotorsMotor Lead Color Codes3 --- S P E E D 2 --- S P E E Dblack = high black = highyellow = common yellow = commonblue = medium --

14A09464Fig. 12 -- Wiring Diagram 400--3--5050GL-- A

1550ES500443 - 2.0A09336Fig. 13 -- Cooling Charging ChartTable 6 – Filter Pressure Drop (IN. W.C.) (Pa)FILTER SIZEin.CFM500 600 700 800 900 1000 1100

16MAINTENANCETo ensure continuing high performance, and to minimize thepossibility of premature equipment failure, periodic maintenancemust be perform

17FAN GRILLEMOTOR1/8" (3 mm) MAX BETWEENMOTOR AND FAN HUBMOTOR SHAFTA08474Fig. 14 -- Fan Blade PositionCompressorAccess PanelBlowerAccessPanelCon

18Evaporator AirflowThe heating and/or cooling air-- flow does not require checkingunless improper performance is suspected. If a problem exists, besu

19Liquid Line Filter DrierThe filter drier is specifically designed to operate with Puron. Useonly factory-- authorized components. Filter drier must

2ELECTRICAL SHOCK HAZARDFailure to follow this warning could result in personalinjury or death.Before installing or servicing system, always turn off

20Table 8 – Troubleshooting ChartSYMPTOM CAUSE REMEDYCompressor and outdoor fan will not startPower failure Call power companyFuse blown or circuit br

21START--UP CHECKLIST(Remove and Store in Job Files)I. PRELIMINARY INFORMATIONMODEL NO.:SERIAL NO.:DATE:TECHNICIAN:II. PREST ART--UP (Insert check mar

22Copyright 2010 Carrier Co rp. S 7310 W. Morris St. S Indianapolis, IN 46231 Edition Date: 08/10Manufacturer reserves the right to change, at any tim

3IMPORTANT: Do not restrict outdoor airflow. An air restrictionat either the outdoor--air inlet or the fan discharge may bedetrimental to compressor l

4A09465Fig. 2 -- 50GL --A24--36 Unit Dimensions50GL-- A

5A09466Fig. 3 -- 50GL --A48 Unit Dimensions50GL-- A

6RETURN AIR SMALLBASE UNITSUPPLYAIRLARGEBASE UNITUNIT PLACEMENT ON COMMON CURBLARGE CURBSMALL OR LARGE BASE UNITSMALL/COMMON CURBROOF CURB DETAILWood

7ACCESS PANELS MUST BE IN PLACE WHEN RIGGING.PANNEAUX D'ACCES DOIT ÊTRE EN PLACE POUR MANIPULATION.50CY502286 2.0CAUTION - NOTICE TO RIGGERSPRUD

8Step 7 — Install Duct ConnectionsThe design and installation of the duct system must be inaccordance with the standards of the NFPA for installation

9Step 8 — Install Electrical ConnectionsELECTRICAL SHOCK HAZARDFailure to follow this warning could result in personalinjury or death.The unit cabinet