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38BC / 38BCS / 38BH

LL

O

Y

D

'S

R

E

G

IS

TE

R QUALIT

Y

A

S

S

U

R

A

N

C

E

I S O 900 1

R-410A

INSTALLATION MANUAL

Summary of Contents for 38BC

Page 1: ...38BC 38BCS 38BH L L O Y D S R E G I S TER QUALIT Y A S S U R A N C E IS O 900 1 R 410A INSTALLATION MANUAL...

Page 2: ...ow out with the cylinder in a vertical position with the valve at the top R 410A systems should be charged with liquid refrigerant Use a commercial type metering device in the manifold hose in order t...

Page 3: ...5 m 15 m 15 m Table II Connections Mod 38BC 38BH 07 09 12 14 07 09 12 14 A mm 750 750 B mm 590 590 C mm 280 280 D mm 470 470 E mm 140 140 F mm 310 310 kg 26 5 30 33 35 28 5 33 36 37 Outdoor unit Indoo...

Page 4: ...r unit in very low ambient temperatures In these cycles fan speed will automatically reduce and cannot be varied until defrost cycle is completed Notes 1 Data referred to the outdoor unit only 2 Accor...

Page 5: ...ed to the same line Also ensure that national safety code requirements have been followed for the mains supply circuit The mains supply must be connected as follows Models 38BC and 38BH to the indoor...

Page 6: ...the refrigerant connections after installation this will cause refrigerant leaks Loosening the liquid line connection may cause the loss of the expansion device Connecting the condensate drain pipe t...

Page 7: ...UNF R 22 Refrigerant connections Charge liquid no gas Copper tubes during storage Use tools designed for R 410A higher pressure Keep inside clean 2 stage vacuum pump Replace oil regularly No moisture...

Page 8: ...longer than minimum required for installation Oil in the compressor is extremely susceptible to moisture absorption Always keep ends of tubing sealed during installation Remove flare nuts from the un...

Page 9: ...hree way valves Create a vacuum with a vacuum pump connected to the service connection of the suction shut off valve gas as shown keeping the shut off valves completely shut until a 50 Pa 0 5 mbar vac...

Page 10: ...p only Cooling only Cooling only unit system 38BC 007 009 012 014 38BH 007 009 012 014 38BCS 007 009 012 014 Heat pump Heat pump unit system Cooling only unit Cooling only system Power supply cable H0...

Page 11: ...rene coating according to EN 60335 2 40 codes The mains supply connecting cable for 38BCS units must be H07 RN F type 245 IEC 57 or higher with synthetic rubber insulation with Neoprene coating accord...

Page 12: ...any refrigerant leak due to incorrect connection or after replacement of the compressor The best method to correctly charge refrigerant is to completely empty the refrigerant circuit using refrigerant...

Page 13: ...w Refrigerant charge too low add refrigerant Outdoor coil dirty or obstructed clean or remove obstructions Indoor unit air filter dirty clean filter Suction pressure too high Refrigerant charge too hi...

Page 14: ...essure Head pressure controller and HIP remote manual reset Configuration The Head Pressure Control HPC is made of two parts Printed circuit board with electronic components and quick connector termin...

Page 15: ...zio 9 20058 Villasanta MI Italy Tel 039 3636 1 The manufacturer reserves the right to change any product specifications without notice Order No 13851 74M10 May 2003 Supersedes Order No 13851 74M10 Apr...

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