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230/1/50-60   400/3/50

MINI-AIR

A/C  UNITS

Index 30A

Edition 12.03

PRECISION  A/C  UNITS

AIR  CONDITIONING

OPERATING INSTRUCTIONS

Summary of Contents for CVC 07 001yy

Page 1: ...230 1 50 60 400 3 50 MINI AIR A C UNITS Index 30A Edition 12 03 PRECISION A C UNITS AIR CONDITIONING OPERATING INSTRUCTIONS...

Page 2: ...E 1203 30A 2...

Page 3: ...9 Mechanical Parts 27 10 Cooling Components 27 11 Motors 28 12 Control Monitoring and Safety Components 29 13 Electrical Connections 30 14 Start up 31 15 Adjusting the Temperature 31 16 First Checks a...

Page 4: ...D FOR OWNER OF THE APPLIANCE PERSON RESPONSIBLE FOR ITS INSTALLATION PERSON RESPONSIBLE FOR MANAGING THE PRODUCT PERSON RESPONSIBLE FOR ORDINARY MAINTENANCE PERSON RESPONSIBLE FOR ITS DISASSEMBLY PURP...

Page 5: ...ce UPDATES STULZ reserves the right to update the product and relevant manual without being required to update previous products and manuals other than in exceptional circumstances To require or recei...

Page 6: ...lectrical Data Power Supply Code Nominal voltage Tolerance on voltage Phase Nominal frequency Tolerance on frequency Power consumption L35L50 Locked rotor current LRA Operating current OA Condenser Fa...

Page 7: ...Fan Power consumption Operating current Evaporator Fan Power consumption Operating current 50 C at 60 Hz measured at 2m distance from the unit rear side condenser side free field external temp higher...

Page 8: ...E 1203 30A 8 Capacity diagram CVC 07 001 yy at 50 Hz Cooling capacity W Outside temperature C Inside temp C...

Page 9: ...E 1203 30A 9 Capacity diagram CVC 14 001 yy at 50 Hz Cooling capacity W Outside temperature C Inside temperature C...

Page 10: ...E 1203 30A 10 Capacity diagram CVC 20 001 yy at 50 Hz Cooling capacity W Outside temperature C Inside temp C...

Page 11: ...E 1203 30A 11 Capacity diagram CVC 28 001 yy at 50 Hz Cooling capacity W Outside temperature C Inside temperature C...

Page 12: ...E 1203 30A 12 Capacity diagram CVC 41 001 yy at 50 Hz Cooling capacity W Outside temperature C Inside temp C...

Page 13: ...E 1203 30A 13 B A C Dimensions Type CVC 07 CVC 14 20 CVC 28 41 A 774 1060 1310 B 308 406 509 C 221 233 353...

Page 14: ...eck that it does not contain documents or parts of the machine Any damage that is encountered must be notified to the carrier by registered letter within 8 days of receipt The carrier is responsible f...

Page 15: ...e on which the product is placed on the market and date of commencement of warranty Voltage to be supplied to the unit Working voltage of the auxiliary circuits if different from the voltage rating Vo...

Page 16: ...into two sections hermetically separated from each other where the air in the environment and the air in the cabinet are treated without coming into contact with each other The system operates as fol...

Page 17: ...NAL SIDE NOTE The evaporator air flow of Mini Air CVC07 is different from the illustrated air flow The evaporator air intake is from the top of the unit instead of as for the other units from the fron...

Page 18: ...thoroughly checked before starting the unit and if necessary the technical department of your local STULZ partner should be contacted 5 Safety Considerations The installation and handling of cooling u...

Page 19: ...nting any recirculation It is important to prevent hot air expelled by the condenser fan from being even partially sucked back in This would cause continuous stoppages commanded by the pressure switch...

Page 20: ...rews cables etc do not interfere with the equipment which has already been installed Make cuts on the cabinet panels by following the relevant template 8 Once the anchoring holes have been drilled in...

Page 21: ...E 1203 30A 21 Cut out for CVC 07 001yy Type 1 common cut out for inlet and outlet Provide a baffle to separate the condenser inlet outlet airflows 308 27 263 260 4 x 8 720 520 774 27 35 5...

Page 22: ...E 1203 30A 22 Cut outs for CVC 07 001yy Type 2 separate cut outs for inlet and outlet 308 27 263 260 4 x 8 720 131 774 27 35 5 263 132 5 256...

Page 23: ...23 Cut out for CVC 14 001yy CVC 20 001yy Type 1 common cut out for inlet and outlet Provide a baffle to separate the condenser inlet outlet airflows 343 50 20 366 6 x 8 1060 450 420 30 82 20 406 31 5...

Page 24: ...E 1203 30A 24 Cut outs for CVC 14 001yy CVC 20 001yy Type 2 separate cut outs for inlet and outlet 343 50 20 366 6 x 8 1060 450 420 30 82 20 406 31 5 31 5 461 219 300...

Page 25: ...5 Cut out for CVC 28 001yy CVC 41 001yy Type 1 common cut out for inlet and outlet Provide a baffle to separate the condenser inlet outlet airflows 407 50 39 5 430 6 x 8 1235 480 520 25 250 39 5 509 5...

Page 26: ...E 1203 30A 26 Cut outs for CVC 28 001yy CVC 41 001yy Type 2 separate cut outs for inlet and outlet 209 509 449 30 30 6 x 8 39 5 250 480 520 27 1310 60 165 107 294 107 619 39 5 430...

Page 27: ...t is used R134a Tetrafluorethane It is neither toxic nor flammable and is not harmful to the ozone layer ODP 0 10 2 COMPRESSOR In this unit a reciprocating hermetic compressor is used Compressors are...

Page 28: ...vibration springs to reduce vibrations 11 2 FANS These may be of different types depending on the model They are either multiblade axial with outside rotor on bearings dynamically balanced compact axi...

Page 29: ...sor operation when the pressure inside the refrigeration circuit exceeds the design values 12 2 LOW PRESSURE SAFETY SWITCH stops compressor operation when the pressure inside the refrigeration circuit...

Page 30: ...power before working on the system Select connection cables not supplied according to EN60204 1 Standards On the main power supply lines in preference install an omni pole automatic switch curve type...

Page 31: ...At least 3 minutes should elapse between a stop and the next re start 15 Adjusting the Temperature Note Excessively low cabinet temperatures may cause serious problems to the cabinet parts and require...

Page 32: ...n invalidates the warranty WARNING Switch off the power supply of the unit before performing any maintenance measures 18 1 PREVENTIVE MAINTENANCE SCHEDULE Two monthly Check that the unit s condensate...

Page 33: ...e are referred to the time during which the components are operating The ratio between this time and the total time of service depends on the type of application except for the evaporator fan operatin...

Page 34: ...ON EVAPORATOR FAN EVDC24 EVDC48 With this option evaporator fan is supplied with 24 or 48 VDC DC evaporator fan must be directly fed by the back up battery which is part of power supply system provide...

Page 35: ...6A 250VAC Type of contacts NC for TMC and NO for TMF 20 6 RELAY FOR POTENTIAL FREE COMMON ALARM SIGNAL HIGH AND LOW PRESSURE HIGH TEMPERATURE CA HP high pressure alarm LP low pressure alarm are not a...

Page 36: ...tools and equipment must be kept in good order Personnel must have in depth knowledge of methods and procedures to apply in case of fire set up a fire extinguisher service in a handy position The fol...

Page 37: ...21 3 4 SAFETY STANDARDS TO COMPLY WITH WHEN THE EQUIPMENT IS SWITCHED OFF Interrupt the power supply to the unit before opening it Make sure no electricity is present in the unit s circuits Clean and...

Page 38: ...machine can be dangerous if it is not properly used Several precautions must be taken when handling this substance never release store or use the refrigerant near open flames The refrigerant is non to...

Page 39: ...ore than 15 grams per year are checked and eliminated during testing The producer of the refrigerant gas states that gas concentrations inferior to 1 to 1000 are non toxic When the machine is not inst...

Page 40: ...ng operations on this unit must only be done by experts Before starting to dismantle the unit check that it has been disconnected from electric mains This unit must be disassembled by authorised organ...

Page 41: ...essor s electrical parts 2 Compressor start relay defective 1 Replace compressor start relay 3 Where present start up condenser defective 1 Replace start up condenser 4 Compressor motor defective 1 Co...

Page 42: ...led air to short circuit 2 Check that requirements concerning minimum distance from a wall from the ceiling from the electric cabinet or from any other air cooling unit are as described in this manual...

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