Manuals / Carrier / Household Appliance / Air Conditioner

Carrier 38AKS028-044 dimensions Ð Typical Wiring Schematic

Models: 38AKS028-044

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Fig. 8 Ð Typical Wiring Schematic

	LEGEND
AFS	Ð Air¯ow Switch
CB	Ð Circuit Breaker
EQUIP	Ð Equipment
FU	Ð Fuse
GND	Ð Ground
LLS1	Ð Liquid Line Solenoid for
	Solenoid Drop Control
LLS2	Ð Liquid Line Solenoid for
	Capacity Control
NEC	Ð National Electrical Code, U.S.A.
TB	Ð Terminal Block
TC	Ð Thermostat Cooling
	Field Power Wiring
	Field Control Wiring
	Factory Installed Wiring

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NOTES:

1.Factory wiring in accordance with the NEC. Any field modi®cations or additions must be in compliance with all applicable codes.

2.All ®eld interlock contacts must have minimum rat- ing of 180 va pilot duty plus capacity required for ®eld-installed equipment. All ®eld interlock con- tacts in the 24-v control circuit must have minimum rating of 70 va pilot duty plus capacity required for ®eld-installed equipment.

3.For internal unit wiring, reference wiring book or unit wiring label diagram. TB2 is 115-1-60, TB3 is 24-1-60.

4.The following components are not located in the 38AKS unit control box: LLS1, LLS2, ®eld control thermostat, AFS, alarm shut-off switch, and alarm or light.

Fig. 8 Ð Typical Wiring Schematic

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Carrier 38AKS028-044 dimensions Ð Typical Wiring Schematic

Contents

BEFORE INSTALLATION CONTENTSSAFETY CONSIDERATIONS Installation, Start-Upand Service InstructionsTable 1A Ð Physical Data Ð English Table 1B Ð Physical Data Ð SIINSTALLATION with 2 Section Coil Split Fig. 3 Ð Compressor MountingFig. 4 Ð Suction Line Piping to Unit Fig. 5 Ð Liquid Line Solenoid ValveDOUBLE SUCTION RISERS Ð 60 Hz Table 2A Ð Refrigerant Piping Sizes Ð 60 HzSINGLE SUCTION RISERS Table 2B Ð Refrigerant Piping Sizes Ð 50 HzTable 3 Ð Electrical Data FIELD CONNECTIONS Fig. 6 Ð Dimensional Drawing, 38AKS028,034 50 AND 60 HZ50 HZ AND 60 HZ Fig. 7 Ð Dimensional Drawing, 38AKS0441106 Fig. 8 Ð Typical Wiring Schematic Fig. 9A Ð Component Arrangement Ð 60 Hz Fig. 9B Ð Component Arrangement Ð 50 Hz START-UP Initial Check Fig. 10 Ð 38AKS028 Charging Chart, 50/60 Hz Fig. 11 Ð 38AKS034 Charging Chart, 50/60 Hz Fig. 12 Ð 38AKS044 Charging Chart, 50/60 Hz Access for Servicing See Fig SERVICEComplete Unit Stoppage COMPRESSOR END, LEFT-SIDEACCESS DOOR Fig. 13 Ð 38AKS Unit with Access Panels RemovedCOMPRESSOR END, RIGHT-SIDEACCESS DOOR COMPRESSOR END AND RIGHT-SIDEVIEWOutside of Orice Ring Fig. 14 Ð Location of Prop on Motor Shaft fromFig. 15 Ð Capacity Control Valve Operating Temperature Compressor ProtectionTable 4 Ð Pressure Switch Settings, psig kPa Table 5 Ð Minimum Outdoor-AirTROUBLESHOOTING PACKAGED SERVICE TRAINING B. Pre-Start-Up START-UPCHECKLISTA. Preliminary Information OUTDOOR UNITC. Start-Up