Carrier 48EJ, EW, EK, EY024-048 installation instructions General

Page 64

GENERAL

SET ECONOMIZER MINIMUM VENT POSITION TO JOB REQUIREMENTS

ENSURE DRIVES OPERATE WITHIN LIMITS OF FAN PERFORMANCE TABLES

HIGH PRESSURE SWITCH SETTING

 

psig

LOW PRESSURE SWITCH SETTING

 

 

psig

MOTOR PULLEY PART NUMBER

 

 

FAN PULLEY PART NUMBER

 

 

 

BELT PART NUMBER

 

 

 

BELT SIZE

 

 

in.

FILTER QUANTITY

 

 

 

FILTER SIZES

 

 

in.

ADDITIONAL NOTES:

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Copyright 1997 Carrier Corporation

Manufacturer reserves the right to discontinue, or change at any time, speci®cations or designs without notice and without incurring obligations.

Book

1

 

PC 111

Catalog No. 564-962

Printed in U.S.A.

Form 48E-5SI

Pg CL-2

8-97

Replaces: 48E-3SI

Tab

1a

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - CUT ALONG DOTTED LINECUT ALONG DOTTED LINE

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Image 64
Page 63 Page 64
Contents Installation, Start-Up Service Instructions Field Fabricate Ductwork Instructions onUnit Leveling Tolerances Dimensions Degrees and InchesRoof Curb Sizes Unit Operating WeightSize Ft-in 48EJ,EKD038 48EJE03848EJ,EKD044 48EJE044Base Unit Dimensions, 48EW,EY024-034 Base Unit Dimensions, 48EW,EY038-048 Unit Weight 48EJ,EK,EW,EYD024 48EJ,EK,EW,EYD028 48EJ,EK,EW,EYD03048EJ,EK,EW,EYD034 48EJ,EK,EW,EYD038Physical Data Unit 48EJ,EK,EW,EY4442/4602 4668/4828 4955/5115 Air Distribution Ð Thru-the-Bottom Combustion Fan Housing Location Unit Configuration Default Cooling Default Heating VAVField Control Remote Start/Stop Make Electrical Connections SIO CCNLED RLA LRA Electrical DataFLA LRA MCA Mocp FLA LRA FLAHacr NECQty 044Heating, Air Conditioning Minimum Circuit AmpsGND Ð Ground Terminal BlockDIP PECCCN Connection Approved Shielded Cables Manufacturer Cable Part no2413 or 8772Make Outdoor-Air Inlet Adjustments Color Code RecommendationsRED WhiteAdding Seal Strip to Top of Hood Sides Adding Foam Strip to Hood Side Mounting Angle With Tabs Attached to Filter Track Assembly Psychrometric Chart for Enthalpy Control Barometric Relief Damper and Power Exhaust Mounting Details Pressure Transducer Locations START-UP Pressure Control VFD VFD Supply Air Pressure Set PointSET Point Direct Digital Controls DIP Switch Congura Potentiometer Signal LevelsBuilding Pressure Signal Level VdcDIP Switch Conguration Power Exhaust Default Set PointsDIP Switch Factory Settings Airflow 16,000 17,00018,000 19,000528 572 615 656 695 733 769 805 Fan Performance Ð Power Exhaust Motor LimitationsESP Standard Efficiency MotorsSequence of Operation Air Quantity LimitsUser Dened Set Points GAS HEATING, Variable AIR Volume VAV Units COM DEG. F ResetHIR Smoke Control Modes Device Pressurization Smoke Purge Evacuation Fire ShutdownStages Cooling Capacity Staging Table, CV Units With 2 CompressorsCompressor Lubrication Manufacturer LubricantEvaporator Fan Service and Replacement Typical Gas Heating SectionEvaporator-Fan Motor Replacement Condenser-Fan AdjustmentBelt Tension Adjustment Protective DevicesGas Valve AHA IFCIfcb TranTypical Power Schematic 48EJ,EK,EW,EY024-034 208/230-3-60 Typical VAV 115-v Control Circuit Typical CV 115-v Control Circuit Typical VAV 24-v Control Circuit Typical CV 24-v Control Circuit Troubleshooting Typical Refrigerant Circuiting 48EJ,EK,EW,EY038,044 Typical Refrigerant Circuiting 48EJ,EK,EW,EY048 IGC Control Heating and Cooling IGC Control Board LED Alarms Control Board LED Alarms I/O Channel Designations Base Module Ð CV I/O Channel Designations Base Module Ð VAV Terminal no Assignment SPTPackaged Service Training START-UP Checklist General
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