Table of Contents
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Table of Contents
Related Manuals for Carrier 38VYM Series
Summary of Contents for Carrier 38VYM Series
- Page 1 38VYM R-410A INSTALLATION MANUAL...
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Page 2: Table Of Contents
• POE oils absorb moisture rapidly. Do not expose oil to atmosphere. • Never open system to atmosphere while it is under vacuum. • Do not vent R-410A into the atmosphere. • Use only Carrier matching indoor units. Heat pump model Power supply... -
Page 3: Dimensions And Weight
38VYM R-410A Dimensions, weight and minimum clearances Dimensions and weight Ø 8,5 Ø 8,5 38VYM-28 / 38VYM-32 38VYM-18 Model 38VYM-18 38VYM-28 38VYM-32 Minimum clearances 38VYM Model Note: For each installed system, the minimum clearance shown in the table only refers to the two configurations and arrangements illustrated. GB - 2... -
Page 4: Connections
38VYM R-410A Connections and operating limits E N G L I S H Connections Outdoor unit Indoor unit A1 Indoor unit A2 Indoor unit A3 Indoor unit A4 Table I: Connections Pipe diameter 38VYM Liquid Indoor (Liquid) (Suction) Indoor unit A1-A2 A1-A2-A3 A1-A2-A3-A4 38VYM... -
Page 5: General Information
Gravel-filled trench. the outdoor unit of a residential split system consisting of units manufactured by Carrier. Consult the Carrier stockist to check the • For heat pump models, unit must be adequately raised above possibility of connecting your multisplit unit to indoor units other floor surface. -
Page 6: Warnings: Avoid
38VYM R-410A Warnings: avoid..E N G L I S H Disconnecting the refrigerant connections after installation - as this Excessive height difference between indoor and outdoor unit (see will cause refrigerant leaks. Table I “Connections”). Excessive distance between indoor and Connecting the condensate drain pipe to the outdoor unit. -
Page 7: Refrigerant Connections
38VYM R-410A Refrigerant connections No moisture. No dust. Charge liquid - no gas. No leak. No mineral oil. Protect 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. - Page 8 38VYM R-410A Refrigerant connections E N G L I S H Flaring the ends of the tubing Remove protective caps from copper tube ends. Position tube end downward, cut the tube to the requested length and remove the burrs with a reamer. Connect tubing in accordance with the limits shown on Table II Do not leave the system open to the atmosphere any longer than (Connections).
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Page 9: Air Purging
38VYM R-410A Refrigerant connections Three-way valve Needle valve Valve cap Valve needle Two-way valve Allen (hex. head) wrench Gas line (large diameter) Liquid line (small diameter) Service connection Indoor unit Outdoor unit Vacuum pump Air purging USE ONLY A VACUUM PUMP TO PURGE AIR FROM THE PIPING. The air purging procedure must be performed for each of the indoor units. -
Page 10: Electrical Connections
38VYM R-410A Electrical connections E N G L I S H Unit 38VYM-18 System 38VYM-18 ³ ³ A1 1 2 3 A2 1 2 3 » ¿ 1 2 3 1 2 3 · ³ Indoor unit · Outdoor unit Terminal box legend »... - Page 11 38VYM R-410A Electrical connections System 38VYM-32 ³ ³ ³ ³ A1 1 2 3 A2 1 2 3 1 2 3 A4 1 2 3 · 1 2 3 1 2 3 1 2 3 1 2 3 ¿ » 230V ~ 50Hz ³...
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Page 12: Electrical Data
38VYM R-410A Electrical connections E N G L I S H • The cables must be H07 RN-F type, for mains supply and for interconnecting wires. The above mentioned cables must have synthetic rubber insulation with Neoprene coating, according to EN 60335-2-40 and HD277.S1 codes. -
Page 13: Incorrect Wiring And Piping Procedure Check
38VYM R-410A Incorrect wiring and piping procedure check This procedure only applies to models 38VYM-28 and 38VYM-32. • The yellow LED flashes (D800). • During the test for incorrect wiring/piping, the compressor starts operating at a fixed frequency, the outdoor unit The incorrect wiring/piping procedure check can be performed at an fan operates normally, the indoor unit fans remain OFF. -
Page 14: Test Procedure
38VYM R-410A Test procedure, Pump-down, maintenance, guide for the owner and accessories E N G L I S H Test procedure Maintenance The following maintenance operations must be carried out by • Energize the system by putting the main supply switch in the ON qualified personnel. - Page 15 L010125H16 - 0103 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. 13812-74M10, January 2003. Supersedes Order No. 13812-74M10, May 2002. Printed in Italy...
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