Carrier 50EW Base Unit Dimensions, 50EJ/EK024-034, Unit Size Operating Corner Weight 50EJ/EK

Page 4

NOTES:

1. Weights include economizer (Std)

2. Center of gravity.

3. Do not locate adjacent units with dis- charge facing economizer inlet. Mini- mum clearances to be:

Adjacent Units: 15 -0

Top of Units: No overhang

Condenser Coil: 4 -0

Economizer Side: 6 -0

Filter Access Side: 10 -0 (for re- moval of evaporator coil)

4. For smaller service and operational clearances, contact Carrier Applica- tion Engineering department.

5. Bottom ducts designed to be attached to accessory roof curb. If unit is mounted on dunnage, it is recommended the ducts be supported by cross braces as done on accessory roof curb.

6. Dimensions are in inches. Dimen- sions in [ ] are in millimeters.

7. For units with electric heat, a ®eld- supplied 90° elbow must be installed in the supply ductwork below the unit discharge.

LEGEND

VFD Ð Variable Frequency Drive

UNIT SIZE

OPERATING

A

B

CORNER WEIGHT

WEIGHT

 

 

(lb)

 

50EJ/EK

 

 

 

 

 

(lb)

ft-in.

ft-in.

1

2

 

3

4

 

 

024

4016

5-113¤8

3-511¤16

823

914

1199

1080

028

4102

5- 81¤2

3-75¤8

844

859

 

1210

1189

030

4102

5- 81¤2

3-75¤8

844

859

 

1210

1189

034

4102

5- 81¤2

3-75¤8

844

859

 

1210

1189

Fig. 3 Ð Base Unit Dimensions, 50EJ/EK024-034

4

Image 4
Contents Installation, Start-Up Service Instructions Unit Leveling Tolerances Dimensions Roof Curb SizesRoof Curb Sizes Base Unit Dimensions, 50EJ/EK024-034 Unit Size Operating Corner Weight 50EJ/EKBase Unit Dimensions, 50EJ038-048 and 50EK044 Unit Size Operating Corner WeightBase Unit Dimensions, 50EW/EY024-034 Unit Size Operating Corner Weight 50EW/EYBase Unit Dimensions, 50EW038-048 and 50EY044 WeightModel Weight 50EJ/EK/EW/EY Rigging LabelPhysical Data Unit 50EJ,EK,EW,EY4282 4508 4795 Make Unit Duct Connections Evaporator Fan Motor DataSAT Field Control Remote Start/Stop COM CCNSIO Field Power Wiring Connections Make Electrical ConnectionsPage Electrical Data Ð 50EJ,EK,EW,EY024-048 FLA LRA MCA MOCP²24.2 187 254 57.1 266 39.1 228 46.2 225/200 82.4 100 12.6 23.6 95.0 110 43.3 86.6 104.1 187 254 69.2 345 59.4 187 254 82.1 446 69.2 345 74.8 Control Box Diagram Sizes CCN Connection Approved Shielded Cables Make Outdoor-Air Inlet AdjustmentsColor Code Recommendations Adding Seal Strip to Top of Hood Sides Adding Seal Strip to Hood Top Mounting Flange Attaching Seal Strip To Filter Cover Barometric Relief Damper and Power Exhaust Mounting Details Pressure Transducer Locations Ð Motormaster III Sensor Location Pressure Voltage VFD VFD Set PointSET Point Potentiometer Signal Levels Direct Digital Controls DIP Switch ConguraPower Exhaust Default Set Points Setting Open SettingClosed POSSequence of Operation Fan Performance, 50EJ/EK024-034 Ð Vertical Discharge Units Airflow16,000 Air Quantity Limits Fan Performance, 50EJ048 Ð Vertical Discharge UnitsCFM CV Motor Limitations User Dened Set PointsPage Heat Interlock Relay Wiring Stages Economizer Cooling Capacity Staging Table CV Units with 2 CompressorsStages Lubrication Evaporator Fan Service and ReplacementManufacturer Lubricant Condenser-Fan Adjustment Belt Tension Adjustment Ð To adjust belt tensionEvaporator-Fan Motor Replacement Cooling Charging Chart Sizes Troubleshooting Typical Refrigerant Circuiting 50EJ,EK,EW,EY038,044 Typical Refrigerant Circuiting 50EJ,EW048 LED Error Description Troubleshooting Blinks Code Comments Control Board LED AlarmsDIP Base Module Ð CV I/O Channel DesignationsBase Module Ð VAV I/O Channel Designations Expansion Module Ð CV and VAV IAQPage Page Packaged Service Training START-UP Checklist START-UP Checklist General