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Carrier 38BA User Manual

Carrier 38BA
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Carrier 38BA Specifications

General IconGeneral
BrandCarrier
Model38BA
CategoryAir Conditioner
LanguageEnglish

Summary

Packaged Direct-Expansion Air Handler Air-Cooled Condensing Unit System

GENERAL

General information about Carrier condensing units and air handling units.

SELECTION PROCEDURE (With Example)

Step-by-step guide for selecting the correct system configuration.

SYSTEMS INDEX

Index of available condensing unit and fan coil combinations.

COOLING AND HEATING SELECTION

III Find heating capacity of selected fan-coil unit.

Procedure to determine heating capacity based on selected fan-coil unit.

IV Determine fan rpm and bhp.

How to find fan speed and brake horsepower for the system.

V Determine size of liquid and suction lines.

Guidelines for sizing liquid and suction refrigerant lines.

VI Find size nozzle, TXV and solenoid valve.

Procedure for selecting nozzles, TXVs, and solenoid valves.

COMBINATION RATINGS

Ratings Notes

Important notes and formulas for interpreting combination ratings.

38GR006 and 40BA009

Combination ratings for 38GR006 condensing units with 40BA009 fan coils.

38BA009 and 40BA009

Combination ratings for 38BA009 condensing units with 40BA009 fan coils.

38BA008 and 40BA009

Combination ratings for 38BA008 condensing units with 40BA009 fan coils.

38GR006 and 40RR008

Combination ratings for 38GR006 condensing units with 40RR008 fan coils.

COMBINATION RATINGS TABLES

38BA008 and 40RR012

Combination ratings for 38BA008 condensing units with 40RR012 fan coils.

38BA009 and 40RR012

Combination ratings for 38BA009 condensing units with 40RR012 fan coils.

38AD012 and 40RR012

Combination ratings for 38AD012 condensing units with 40RR012 fan coils.

38AD016 and 40RR012

Combination ratings for 38AD016 condensing units with 40RR012 fan coils.

38AD012 and 40RR016

Combination ratings for 38AD012 condensing units with 40RR016 fan coils.

38AD016 and 40RR016

Combination ratings for 38AD016 condensing units with 40RR016 fan coils.

COMBINATION RATINGS DATA

38AD024 and 40RR016

Combination ratings for 38AD024 condensing units with 40RR016 fan coils.

38AD024 and 40RR024

Combination ratings for 38AD024 condensing units with 40RR024 fan coils.

38AD016 and 40RR024

Combination ratings for 38AD016 condensing units with 40RR024 fan coils.

38AD028 and 40RR024

Combination ratings for 38AD028 condensing units with 40RR024 fan coils.

38AD024 and 40RR028

Combination ratings for 38AD024 condensing units with 40RR028 fan coils.

SYSTEM COMBINATION RATINGS

38AD028 and 40RR028

Combination ratings for 38AD028 condensing units with 40RR028 fan coils.

38AD016 w/U, 38AD012 w/L of 40RR028

Combination ratings for 38AD016/38AD012 units with 40RR028 fan coils.

38AD034 and 40RR028

Combination ratings for 38AD034 condensing units with 40RR028 fan coils.

38AD016 w/U, 38AD012 w/L of 40RR034

Combination ratings for 38AD016/38AD012 units with 40RR034 fan coils.

UNIT COMBINATION RATINGS

38AD016 w/U, 38AD016 w/L of 40RR034

Combination ratings for 38AD016/38AD016 units with 40RR034 fan coils.

38AD024 w/U, 38AD016 w/L of 40RR034

Combination ratings for 38AD024/38AD016 units with 40RR034 fan coils.

38AE044 and 40RR034

Combination ratings for 38AE044 condensing units with 40RR034 fan coils.

38AD034 and 40RR044

Combination ratings for 38AD034 condensing units with 40RR044 fan coils.

SYSTEM AND UNIT RATINGS

38AD012 w/U, 38AD012 w/M, 38AD012 w/L of 40RR044

Combination ratings for 38AD012 units with 40RR044 fan coils.

38AD016 w/U, 38AD016 w/M, 38AD012 w/L of 40RR044

Combination ratings for 38AD016/38AD012 units with 40RR044 fan coils.

38AE044 and 40RR044

Combination ratings for 38AE044 condensing units with 40RR044 fan coils.

38AD016 w/U, 38AD016 w/M, 38AD016 w/L of 40RR044

Combination ratings for 38AD016 units with 40RR044 fan coils.

FAN COIL COMBINATION RATINGS

38AD016 w/U, 38AD034 w/M and L of 40RR 054

Combination ratings for 38AD016/38AD034 units with 40RR054 fan coils.

38AD016 w/U, 38AD016 w/M, 38AD016 w/L of 40RR054

Combination ratings for 38AD016 units with 40RR054 fan coils.

38AD024 w/U, 38AD034 w/M and L of 40RR 054

Combination ratings for 38AD024/38AD034 units with 40RR054 fan coils.

38AE054 and 40RR054

Combination ratings for 38AE054 condensing units with 40RR054 fan coils.

38AD024 w/U, 38AD024 w/M, 38AD012 w/L of 40RR054

Combination ratings for 38AD024/38AD012 units with 40RR054 fan coils.

38AD024 w/U, 38AD024 w/M, 38AD016 w/L of 40RR 054

Combination ratings for 38AD024/38AD016 units with 40RR054 fan coils.

38AE064 and 40RR054

Combination ratings for 38AE064 condensing units with 40RR054 fan coils.

HEATING PERFORMANCE DATA

Table 1 - Heating Correction Factors

Correction factors for heating coil performance based on various conditions.

Table 3 - Heating Ratings

Performance data for steam and hot water heating coils.

AIR DISTRIBUTION AND PRESSURE LOSS

Table 5 - Plenum Air Distribution

Data on plenum air distribution for different unit configurations.

Table 4 - Pressure Loss of Accessories

Pressure loss values for various accessories like filters and coils.

REFRIGERANT PIPING AND OIL RETURN

Use of liquid line solenoid valves

Explains the use and necessity of liquid line solenoid valves.

Oil return

Guidelines for proper oil return in condensing units.

Insulation

Recommendations for insulating refrigerant suction and liquid lines.

COMPONENT SELECTION CHARTS

Table 6 - Thermal Expansion Valve, Solenoid Valve and Nozzle Selection Chart

Chart for selecting TXVs, solenoid valves, and nozzles based on system configuration.

VALVE AND PIPING SELECTION GUIDES

Table 7 - Thermal Expansion Valve Selection Key

Key for identifying part numbers for thermal expansion valves.

Table 8 - Nozzle and Distributor Data

Data on nozzles and distributors for fan coil units.

Table 10 - Solenoid Valve Selection Key

Key for identifying part numbers for solenoid valves.

Table 11 - Refrigerant Piping Sizes

Table specifying refrigerant piping sizes based on length and unit.

REFRIGERANT PIPING SIZES AND DATA

Table 12 - Refrigerant Piping Sizes (Double Suction Riser)

Piping sizes for units requiring double suction risers.

Table 13 - Liquid Line Data

Data on liquid line lift and connection sizes for various units.

PIPING DIAGRAMS

Fig. 5 - Suction Line Piping to Unit with 3 Section Coil Split

Diagram illustrating suction line piping configuration for 3-section coils.

Fig. 4 - Control Circuit Field Wiring (38GR006)

Wiring diagram for the control circuit of a 38GR006 unit.

FAN PERFORMANCE DATA

Table 14 - Fan Performance Data

Fan performance data at various external static pressures.

ELECTRICAL DATA TABLES

Table 15 Electrical Data (60-Hz)

Electrical data including voltage, FLA, LRA, and fuse/breaker sizing.

ELECTRICAL DATA AND ACCESSORIES

Table 16 Electrical Data - 40RR

Electrical data for 40RR units, including FLA and MWA.

Table 17 - 40BA Accessory Electric Heat

Electrical data for 40BA accessory electric heaters.

OPERATING TEMPERATURE LIMITS

Table 18 - Minimum Outdoor Operating Temperature

Minimum outdoor temperatures for proper unit operation and compressor protection.

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