AIR CONDITIONING - Rafstjorn

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22. Disassembling the Unit WARNING! This unit contains refrigerant gas and a small quantity of lubricants (esters) in the compressor. These components are pollutants for the environment and must not be dispersed. Disassembling 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 organisations. STULZ is able and has equipment for disposing of these units and performing almost total recuperation of components without harm to the environment. While awaiting disposal the unit must be kept stored protected from weather. E/0304/31A/38
23. Faults, Probable Causes, Possible Remedies 23.1 FAILS TO COOL .1 No part is working; .1 Lack of voltage to the unit; .1 Check that doors closed and switches are turned on. .2 Compressor, condenser fan and evaporator fan not working; .1 Cooling system has run out of refrigerant; .1 Contact STULZ technician or service department; .2 Compressor mechanically defective; .1 Contact STULZ technician or service department. .3 Compressor and condenser fan working, evaporator fan not working; .1 fan capacitor is defective; .1 Replace fan capacitor; .2 Evaporator fan defective; .1 Replace fan. .4 Condenser and evaporator fan working, compressor not working; .1 Where present, compressor circuit breaker defective; .1 Replace circuit breaker and check efficiency of the compressor'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 Contact STULZ refrigerant system technician or service department. .5 High pressure switch defective; .1 Contact STULZ refrigerant system technician or service department; .6 Where present, compressor remote control switch defective .1 Replace remote control switch. .5 Evaporator and condenser fan and compressor working; .1 Adjustment thermostat defective or calibrated at a temperature exceeding the temperature in the cabinet; .2 When present, anti-freeze thermostat defective. 23.2 FAILS TO COOL SUFFICIENTLY .1 Evaporator fan working, compressor and condenser fan working intermittently .1 Service anti-freeze thermostat; .1 Clean evaporator .2 Check for any external causes which may limit the airflow to the inside circuit; .2 Where present, service low pressure switch; E/0304/31A/39
Page 1 and 2: A/C UNITS COMPACT-AIR 230/1/50-60 4
Page 3 and 4: Contents Page Introduction 4 Techni
Page 5 and 6: WHERE AND HOW TO STORE THIS MANUAL
Page 7 and 8: Technical Data CVC 28 002yy - CVC 4
Page 9 and 10: Capacity diagram CVC 14 002 yy (at
Page 11 and 12: Capacity diagram CVC 28 002 yy (at
Page 13 and 14: Dimensions B C A Type CVC 07 CVC 14
Page 15 and 16: 2. Unit Identification This unit ca
Page 17 and 18: Air flow inside the unit Outdoor ap
Page 19 and 20: 6. Precautions when handling the Un
Page 21 and 22: Cut-outs for CVC 07 002yy 308 68 17
Page 23 and 24: Cut-outs for CVC 28 002yy - CVC 41
Page 25 and 26: 10.5 CAPILLARY PIPE EXPANSION SYSTE
Page 27 and 28: 12.6 REGULATING THERMOSTAT The mech
Page 29 and 30: 14. Start-up Supply voltage to the
Page 31 and 32: 18.3 REPLACEMENT OF PARTS To guaran
Page 33 and 34: 20.4 ALUMINIUM CASING - CVCAL With
Page 35 and 36: 21.3.2 TASKS ASSIGNED TO PLANT MANA
Page 37: · eliminate pressure from the enti

AIR CONDITIONING - Rafstjorn

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