Table of Contents
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Table of Contents
Related Manuals for Carrier 38GL018G
Summary of Contents for Carrier 38GL018G
- Page 1 38GL...G 38YY...G / 38YYS...G INSTALLATION MANUAL...
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Page 2: Table Of Contents
• Never open system to atmosphere while it is under vacuum. • When the system must be opened for service, break vacuum with dry nitrogen and replace filter driers. • Do not vent R-410A into the atmosphere. • Use only Carrier matching indoor units (Table I). Table I Cooling Heat... -
Page 3: Dimensions And Weight
38GL...G / 38YY...G / 38YYS...G Dimensions and weight Mod. 38GL028G, 036G Mod. 38GL018G, 024G Mod. 38GL048G Mod. 38YYS024G Mod. 38YY(S)018G Mod. 38YY-048G Mod. 38YY-024G, 028G, 036G 38GL018G, 024G 38GL028G, 036G 38GL048G 38YY(S)024G 38YY(S)018G 38YY-028G, 036G 38YY-048G 1264 Connections Table II: Connections Model Max. -
Page 4: Minimum Clearances
38GL...G / 38YY...G / 38YYS...G Minimum clearances E N G L I S H Mod. Table III: Operating limits Cooling (2) Outdoor temperature 43°C Maximum conditions Indoor temperature 32°C d.b.; 23°C w.b. Outdoor temperature 15°C Outdoor temperature -15°C Minimum conditions for units equipped with head pressure controller (38YYS...G) Indoor temperature 21°C d.b.;... -
Page 5: General Information
• This installation manual describes the installation procedures of the outdoor unit of a residential split system consisting of two units manufactured by Carrier. Consult factory or a qualified system engineer prior to connecting this unit to any other manufacturer's indoor unit. -
Page 6: Warnings: Avoid
38GL...G / 38YY...G / 38YYS...G Warnings: avoid..E N G L I S H Disconnecting the refrigerant connections after installation: Excessive height difference between indoor and outdoor unit (see this will cause refrigerant leaks. Table II "Connections"). Excessive distance between indoor and Connecting the condensate drain pipe to the outdoor unit. -
Page 7: Refrigerant Connections
38GL...G / 38YY...G / 38YYS...G Refrigerant connections No moisture. No dust. Charge liquid-no gas. No leak. No mineral oil. Copper tubes during storage. Neat. 1/2” UNF (R-410A) Use tools designed for R-410A higher pressure. Keep inside clean. Dry nitrogen brazing. Min. - Page 8 38GL...G / 38YY...G / 38YYS...G Refrigerant connections E N G L I S H Flaring the ends of the tubing The unit can be installed: on the floor; on the wall using the bracket kit. Connect tubing in accordance with the limits shown on Table II Remove protective caps from copper tube ends.
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Page 9: Air Purging
38GL...G / 38YY...G / 38YYS...G Refrigerant connections Gas line (large diameter) Three-way valve Liquid line (small diameter) Needle valve Flare nut Valve cap Indoor unit Valve needle Outdoor unit Two-way valve Vacuum pump Allen (hex. head) wrench Air purging Use only a vacuum pump to purge air from the piping. NEVER use the system compressor as a vacuum pump. -
Page 10: Cooling Only Unit
38GL...G / 38YY...G / 38YYS...G Electrical connections for 018 to 024 size E N G L I S H Cooling only unit Cooling only system R C Y · L N R C Y » ¿ R C Y O W ³... - Page 11 38GL...G / 38YY...G / 38YYS...G Electrical connections for 028 to 048 size Cooling only unit Cooling only system R C Y · R C Y » ¿ R C Y O W ³ Mains supply connecting cable Terminal box legend (field wiring) Connecting cable Outdoor unit –...
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Page 12: Electrical Connections
27°C d.b. 19°C w.b. indoor 27°C indoor 20°C d.b. 15°C w.b. gL type outdoor 43°C d.b. 32°C w.b. outdoor 35°C d.b. 24°C w.b. outdoor 24°C d.b. 18°C w.b. outdoor 7°C d.b. 6°C w.b. Unit 38GL018G 10.1 2300 13.1 2560 – – – –... -
Page 13: Pump Down And Check The Refrigerant Charge
38GL...G / 38YY...G / 38YYS...G Pump Down and check the refrigerant charge Check the refrigerant charge Pump-down • This check becomes necessary after any refrigerant leak due to Pump-down is an operation intended to collect all the system incorrect connection, or after replacement of the compressor. refrigerant in the outdoor unit. -
Page 14: Unit Maintenance
38GL...G / 38YY...G / 38YYS...G Unit maintenance and troubleshooting E N G L I S H Unit maintenance Compressor starts, but stops due to its overtemperature protection (other than stops caused by the normal operation The following maintenance operations must be carried out by of the thermostat): qualified personnel. -
Page 15: Installation Instructions Supplement
38YYS...G Installation instructions supplement Heat pump unit Outdoor unit Indoor unit Temperature sensor High pressure cut-out (HIP) Loss of refrigerant pressure switch (LRPS) Crankcase heater Pressure service port Head pressure controller (HPC) 38YYS...G units are designed to work in North European countries Thanks to this device, the supply voltage to the fan motor climates and where cooling is required, even in case of outdoor low can be reduced depending on the temperature value... -
Page 16: Installation Instructions Supplement
38YYS...G Installation instructions supplement E N G L I S H Condensing temperature controller: wiring diagram SENSOR temperature sensor 10FM SENSOR CONTROL N. OUT CONTROL N. OUT LINE OUT LINE IN NEUTRAL HP SELECT - Fan Capacitor 1OFM - Fan motor Live power supply Neutral power supply Reversing valve control... - Page 17 L010127H18 - 1105 Via R. Sanzio, 9 - 20058 Villasanta (MI) Italy - Tel. 039/3636.1 The manufacturer reserves the right to change any product specifications without notice. November, 2005. Printed in Italy...
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