Lennox COMPACTAIR CDC Page 1 Installation, Operating And Maintenance Download

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lennoxemeia.com

COMPACTAIR

CSC - CSH

CDC - CDH

Installation,

operating

and maintenance

Vertical packaged air conditioner
Outdoor unit

20 > 100 kW

MIL120E-0613 / 06-2013

Translation of original manual

Summary of Contents for COMPACTAIR CDC

Page 1: ...lennoxemeia com COMPACTAIR CSC CSH CDC CDH Installation operating and maintenance Vertical packaged air conditioner Outdoor unit 20 100 kW MIL120E 0613 06 2013 Translation of original manual...

Page 2: ...Y CHECKS AT FIRST INSTALLATION 4 1 PREVENTIVE MAINTENANCE 4 2 CORRECTIVE MAINTENANCE 4 3 FAILURE DIAGNOSIS Lennox have been providing environmental solutions since 1895 our COMPACTAIR range continues...

Page 3: ...ations without notice We reserve the right to modify our products without notice without obligation to modify previously supplied goods These operating instructions contain useful and important inform...

Page 4: ...COOLING CYCLE Air intake temperature to the outdoor coil Air output temperature to the outdoor coil High pressure Low pressure circuit 1 circuit 2 circuit 1 circuit 2 Air intake temperature to the out...

Page 5: ...Net Weight Kg CSC CDC Cooling only unit Kg CSH CDH Heat pump unit Kg Air flow m3 h Refrigerant charge NITROGEN The units are supplied with nitrogen gas this must be removed and the unit charged with r...

Page 6: ...163 146 128 106 89 645 143 127 109 87 68 613 126 110 91 69 51 rpm m3 h 045D 9800 11200 12600 14000 829 237 213 183 136 794 235 187 156 111 758 233 161 130 86 722 231 135 104 72 686 229 109 77 57 rpm m...

Page 7: ...rier Service valve option Suction accumulator Long distance connection option Suction accumulator Long distance connection option Fan motor Coil Pressure gauge 5 16 to be fitted by the installer Disch...

Page 8: ...distance connection option Fan motor Coil Fan motor Coil Service valve option Service valve option Service valve option Pressure gauge 5 16 to be fitted by the installer Discharge sensor Liquid solen...

Page 9: ...circuit 2 High pressure switch circuit 1 Coil Fan motor Coil Fan motor Suction accumulator Long distance connection option Suction accumulator Long distance connection option 1 5 PIPING DRAWINGS COOL...

Page 10: ...Fan Expansion valve Filter drier Service valve option Service valve option Suction accumulator Long distance connection option Check valve Check valve Filter drier Expansion valve Check valve Suction...

Page 11: ...ve option Expansion valve Filter drier Suction accumulator Long distance connection option Check valve Check valve Filter drier Expansion valve Check valve Suction accumulator Check valve Pressure gau...

Page 12: ...r Check valve Service valve option Service valve option Fan Coil Filter drier Check valve Check valve Expansion valve Suction accumulator Long distance connection option Check valve Filter drier Expan...

Page 13: ...73 5 518 493 1475 251 5 25 541 78 5 493 373 5 1 GENERAL CHARACTERISTICS 1 6 UNIT DIMENSIONS Access to gas and liquid lines Power supply cable entry Electrical box External drainage 3 4 thread MODELS A...

Page 14: ...1500 252 5 25 543 74 5 420 403 622 1500 252 5 25 543 74 5 221 5 1 GENERAL CHARACTERISTICS 1 6 UNIT DIMENSIONS SPLIT STANDARD HORIZONTAL DISCHARGE SPLIT OPTIONAL VERTICAL DISCHARGE Back view Access to...

Page 15: ...on the floor ensure that the position is not subject to flooding When positioning the unit be sure that the Rating Plate is always visible since this data will be necessary to ensure correct maintena...

Page 16: ...off its diameter to modify the air flow of the unit as required 1 Fixed part 2 Mobil part 3 Fixing screw CLOSE PULLEY To increase the fan flow turn the mobile part in direction B Clock wise OPEN PULLE...

Page 17: ...e area where the heat pump unit is to be installed is low or the cycle functioning are too long it may necessary to install an electrical heater below the likely coils on the drip tray which avoids th...

Page 18: ...d on absorbent and antivibrating material to avoid the vibrations being transmitted to the structure of the building 2 6 DRAINS All the indoor and outdoor sections of these units have a 3 4 steel thre...

Page 19: ...p and purge the air from the hose at the pressure gauge manifold Set up the amount of additional refrigerant on the weighing scale open the high pressure and charged in the liquid state If the total a...

Page 20: ...INES MUST BE TIPPED AT LEAST 2 TOWARD THE OUTDOOR UNIT THE MAXIMUM SPEED INSIDE LINES SHOULD NOT BE MORE THAN 15 m seg OUTDOOR UNIT INDOOR UNIT A B C Unit positions L Total length 1 Gas line 2 Liquid...

Page 21: ...RRES PONDS TO CIRCUIT C1 AND THE SMALLEST ONE TO THE C2 CIRCUIT The unit is supplied with brazing connections As an option the unit can be supplied with gas precharge from the fac tory in that case on...

Page 22: ...cuit 2 REFRIGERANT CHARGE FOR THE SET EXAMPLE To install a CSH 030 CIH 030 set with 22m refrigerant line length between the outdoor and indoor units the refrigerant charge must be calculated as follow...

Page 23: ...070D 3 x 25mm 2 x 16mm 3 x 70mm 2 x 35mm 085D 100D 3 x 35mm 2 x 16mm 3 x 95mm 2 x 50mm 2 x 4 x 4mm 10 x 1 5mm 6 x 1mm 4 x 2 5 mm STD HP1 2 x 4 x 1 5 mm HP1 HP2 4 x 10 mm 6 x 1 5 mm 4 x 16 mm 6 x 1 5 m...

Page 24: ...ote ambient sensor STANDARD 2 x 1 mm shielded Remote duct sensor OPTION 2 x 1 mm shielded Duct remote sensor for enthalpic free cooling OPTION 5 x 1 mm shielded CO2 Air quality probe Available only wi...

Page 25: ...RIAL CARD Cable c section mm2 two wire S12E racing from min 0 2 a max 2 5 mm2 AWG 20 22 1000m max Connect a 120 1 4 W terminating resistor MODBUS only SERIAL CARD SERIAL CARD SERIAL CARD SERIAL CARD C...

Page 26: ...e refrigerant charge The compressor cannot work with incorrect or excessive refrigerant It may be necessary to add oil to the system depending on the piping length See below an example of calculation...

Page 27: ...unit The solution is to disconnect reverse two of the phases and connect again ASTP Protection is included with the unit compressors See Fault diagnosis for more information WITH OPERATING UNIT CHECK...

Page 28: ...hours before any return to service Non compliance with this instruction can cause dete rioration of the compressors Monitoring of the pressures draining and filling of the system under pressure shall...

Page 29: ...corrosion forming Use silver alloy brazing rod Take special care that the flame from the torch is directed away from the component to be welded and cover with a wet rag to prevent overheating PRECAUTI...

Page 30: ...verse the power phases Correct leak create vacuum and charge Inspect and clean Inspect and correct or change the filter drier Inspect suction and discharge pressure values and correct Check input volt...

Page 31: ...30 NOTES...

Page 32: ...MBOURG FRANCE GERMANY ITALY NETHERLANDS POLAND PORTUGAL Due to Lennox s ongoing commitment to quality the specifications ratings and dimensions are subject to change without notice and without incurri...

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