Table of Contents
Advertisement
Advertisement
Table of Contents
Related Manuals for Carrier 38YY...G
Summary of Contents for Carrier 38YY...G
- Page 1 38YY...G / 38YYS...G R-410A INSTALLATION MANUAL...
- Page 2 • 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). Quantity Drier already installed on...
-
Page 3: Dimensions And Weight
38YY…G / 38YYS…G R-410A Dimensions and weight Mod. 38YY-048G Mod. 38YY(S)018G Mod. 38YYS024G Mod. 38YY 024G, 028G, 036G 38YY(S)018G 38YY(S)024G 38YY 028G, 036G 38YY-048G Mod. 1264 Table II: Connections Connections Model Max. height difference 30 m 40 m 40 m 50 m 50 m Max. -
Page 4: Table Of Contents
38YY…G / 38YYS…G R-410A Minimum clearances E N G L I S H Mod. System charge Refrigerant Suitable up to Extra charge Extra charge (g) with indoor unit Sizes charge (g) 42VMC---(A)N 40SMC---N Heat pump 1530 – – Heat pump 1900 Heat pump 2340... -
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 38YY…G / 38YYS…G R-410A 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
38YY…G / 38YYS…G R-410A 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) 7/16” UNF (R-22) Use tools designed for R-410A higher pressure. Keep inside clean. Dry nitrogen brazing. Min. - Page 8 38YY…G / 38YYS…G R-410A 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 (Connections).
-
Page 9: Heat Pump
38YY…G / 38YYS…G R-410A Refrigerant connections Three-way valve (Gas) Gas line (large diameter) Needle valve Liquid line (small diameter) Valve cap Flare nut Valve needle Indoor unit Two-way valve (Liquid) Outdoor unit Allen (hex. head) wrench Vacuum pump Air purging Use only a vacuum pump to purge air from the piping. -
Page 10: Heat Pump
38YY…G / 38YYS…G R-410A Electrical connections E N G L I S H Heat pump unit C Y O Terminal box legend Earth. Live power supply. L N R C Y Neutral power supply. Live connection indoor/outdoor unit. Neutral connection indoor/outdoor unit. Compressor interlocking contact. -
Page 11: Heat Pump
38YY…G / 38YYS…G R-410A Electrical connections • Remove electric box cover. • Make electrical connections between units prior to proceeding to mains supply unit connection. • Connect the wires to the terminals according to the wiring diagram and firmly tighten. •... -
Page 12: Heat Pump
38YY…G / 38YYS…G R-410A Pump Down and check the refrigerant charge E N G L I S H Pump-down Check the refrigerant charge Pump-down is an operation intended to collect all the system • This check becomes necessary after any refrigerant leak due to refrigerant in the outdoor unit. -
Page 13: Heat Pump
38YY…G / 38YYS…G R-410A Unit maintenance, troubleshooting and guide for the owner Unit maintenance Compressor runs continuously: • Unit selected too small for actual air conditioning needs. The following maintenance operations must be carried out by • Indoor temperature selection too low (if in cooling) or too high (if in qualified personnel. - Page 14 L010125H84 - 1002 Via R. Sanzio, 9 - 20058 Villasanta (MI) Italy - Tel. 039/3636.1 The manufacturer reserves the right to change any product specifications without notice. Order No. 13881-74M10, October 2002 . Supersedes Order No. (new). Printed in Italy...