Thermocold MULTIFUNCTIONAL UNITS RLC Installation And Maintenance Manual
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Thermocold MULTIFUNCTIONAL UNITS RLC Installation And Maintenance Manual

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MANUALE DI INSTALLAZIONE E MANUTENZIONE MULTIFUNZIONE
INSTALLATION AND MAINTENANCE MANUAL FOR MULTIFUNCTIONAL UNITS
MUMRLCHEAT_REV01_1012_UK
MULTIFUNCTIONAL UNITS RLC – Installation and maintenance manual
RESIDENTIAL AND LIGHT COMMERCIAL
RESIDENTIAL AND LIGHT COMMERCIAL
CODICE MANUALE
MANUAL CODE
ANLEITUNGSKODEX
MUMRLCHEAT_REV01_1012_UK
Pag. 1 di 31

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Summary of Contents for Thermocold MULTIFUNCTIONAL UNITS RLC

  • Page 1 MULTIFUNCTIONAL UNITS RLC – Installation and maintenance manual MANUALE DI INSTALLAZIONE E MANUTENZIONE MULTIFUNZIONE RESIDENTIAL AND LIGHT COMMERCIAL INSTALLATION AND MAINTENANCE MANUAL FOR MULTIFUNCTIONAL UNITS RESIDENTIAL AND LIGHT COMMERCIAL CODICE MANUALE MANUAL CODE MUMRLCHEAT_REV01_1012_UK ANLEITUNGSKODEX Pag. 1 di 31 MUMRLCHEAT_REV01_1012_UK...
  • Page 2 Dear customer, Congratulation for purchasing a Thermocold product. Thermocold operates in civil and industrial air conditioning for years to assure the best comfort with reliability, quality, efficiency and total safety. With this manual we try to offer you the best support from receiving, start up, use, maintenance to the most ecological disposal.

  • Page 3: Table Of Contents

    MULTIFUNCTIONAL UNITS RLC – Installation and maintenance manual Indice 1. Generalità ..................................4 Receiving the unit ................................4 Positioning ..................................7 Safety regulations ............................... 7 INSTALLATION ................................12 Control of compressor fastening ..........................14 Electrical Connections ............................... 14 Water Connections ..............................15 Perdite di carico sugli scambiatori ..........................

  • Page 4: Generalità

    Summary of guarantee regulations A. The guarantee for Thermocold machines is 12 months from the date the machine is operated for the first time but no more than 18 months from the date of the invoice. The warranty is reduced to 6 months from the start up date for units running continuously, that is more than 12 hours a day.

  • Page 5: Unit Identification

    Factory inspection Thermocold units are inspected into the factory, in appropriate areas, in accordance with internal procedures. Each performance test carried out on the unit is possible only if the same conditions are reproduced and maintained (charge consistency, constant temperature and evaporation - condensation and recovery capacity, quality and tolerance of the measuring instruments etc.) in the test rooms.
  • Page 6 MULTIFUNCTIONAL UNITS RLC – Installation and maintenance manual Handling Verify the unit weight and the load capacity of the lifting mean. During the handling pay attention to obstacles along the route that could damage the unit (disconnections, ramp, climb, etc.).

  • Page 7: Positioning

    Safety regulations Preamble All Thermocold units are designed, built and inspected in compliance with the European Community Directives n° 98/37/CE (three phase power supply), EN 60335 Part 1 and 2 , low voltage directive 73/23CEE, electromagnetic compatibility directive EMC 89/336CEE, Pressure Equipment Directive 97/23/CEE.

  • Page 8: General Precautions

    Owner: The legal representative of the company, body or natural person who owns the plant in which the Thermocold unit is installed: he or she is responsible for the control and respect of all the safety regulations indicated in this manual as well as the national ones in force.
  • Page 9 MULTIFUNCTIONAL UNITS RLC – Installation and maintenance manual Precautions against risks due to the refrigerant Safety data R 410 a Toxicity Not important Splashes or sprinkles can cause chill burns. The risk of absorptions through the skin is not relevant.
  • Page 10 MULTIFUNCTIONAL UNITS RLC – Installation and maintenance manual Precautions against residual risks Prevention from risks due to the command system • make sure the instructions for use have been understood before carrying out any work on the control panel. • always keep the instruction manual close at hand when working on the control panel.
  • Page 11 • always use original spare parts bought directly from Thermocold or from official dealers of the companies reported in the list of recommended spare parts. • if the unit is to be moved after a year of being in the site or if it has to be dismantled contact Thermocold. Pag. 11 di 31...

  • Page 12: Installation

    MULTIFUNCTIONAL UNITS RLC – Installation and maintenance manual INSTALLATION CHOISES OF THE PLACEMENT Before the installation decide with the client the exact position where to place the unit, paying attention to the following points: The base must be designed to bear the unit weight;...
  • Page 13 These resistances do not guarantee the protection against the frost in the outdoor connection pipes, to be prevent by frost protection systems. Thermocold suggest to insert frost thermostatic resistances on every outdoor pipes. In the following table there are the indicative electric power per pipe linear meter.

  • Page 14: Control Of Compressor Fastening

    MULTIFUNCTIONAL UNITS RLC – Installation and maintenance manual Control of compressor fastening The compressors are fitted on shock absorbers. After receiving the unit check if there are blockages to fasten the compressors during the transportation. If there are, it is necessary to remove blockages put to fasten the compressors feets before the start-up otherwise the warranty is not valid.

  • Page 15: Water Connections

    The above-mentioned installation indications represent necessary conditions for the guarantee to be valid. Thermocold is at your disposal to examine any different requirements, which have to be approved before starting up the chiller. It is necessary that the water flow rate to the unit is compatible with the evaporator one. It is also necessary that the water flow rate is kept uniform while the unit is running.
  • Page 16 MULTIFUNCTIONAL UNITS RLC – Installation and maintenance manual Hydraulic scheme for units connection 8.3.1 Air- Water unit connection scheme DEUMUDIFICATORE DEUMUDIFICATORE DEUMUDIFICATORE DEHUMIDIFIER DEHUMIDIFIER DEHUMIDIFIER POMPA UTENZE - CLIMATIZATION PUMP VALVOLE DI SFIATO - VENT VALVE POMPA RECUPERO - RECOVERY PUMP...
  • Page 17 MULTIFUNCTIONAL UNITS RLC – Installation and maintenance manual 8.3.2 Water-water unit connection scheme (geothermal applications) DEUMUDIFICATORE DEHUMIDIFIER POMPA PRIMARIO - PRIMARY PUMP RACCOGLITORE IMPURITA' - STEEL MESH STRAINER POMPA SECONDARIO - SECONDARY PUMP VALVOLA DI INTERCETTAZIONE - SHUTT OFF VALVE...
  • Page 18 In the case of the preparation of the ring hot, it is possible to order the tank, with the only preparation on the secondary. In this case the circulator of such a ring is on customer charge. Otherwise you can select the pump from the Thermocold tank catalogue.

  • Page 19: Operating Limits

    MULTIFUNCTIONAL UNITS RLC – Installation and maintenance manual Operating limits Air to water units Mara Winter space heating and hsw production operating mode: Summer air conditioning and simultaneuosly hsw production operating mode temperatura di produzione acqua (°C) temperatura aria esterna (°C)
  • Page 20 MULTIFUNCTIONAL UNITS RLC – Installation and maintenance manual Mara Exr Winter space heating and hsw production operating mode: Summer air conditioning and simultaneuosly hsw production operating mode: Summer air conditioning operating mode: Notes: working outside of the allowed limits compromises the unit operation.
  • Page 21 MULTIFUNCTIONAL UNITS RLC – Installation and maintenance manual Sirio Winter space heating and hsw production operating mode: Summer air conditioning and simultaneuosly hsw production operating mode: Summer air conditioning operating mode: Notes: working outside of the allowed limits compromises the unit operation.
  • Page 22 MULTIFUNCTIONAL UNITS RLC – Installation and maintenance manual Water – water units: Mara W Winter space heating and hsw production operating mode: Summer air conditioning and simultaneuosly hsw production operating mode: Summer air conditioning operating mode: Notes: working outside of the allowed limits compromises the unit operation.
  • Page 23 MULTIFUNCTIONAL UNITS RLC – Installation and maintenance manual Sirio W Winter space heating and hsw production operating mode: Summer air conditioning and simultaneuosly hsw production operating mode: Summer air conditioning operating mode: Notes: working outside of the allowed limits compromises the unit operation.

  • Page 24: Perdite Di Carico Sugli Scambiatori

    MULTIFUNCTIONAL UNITS RLC – Installation and maintenance manual Manual alarm reset If there is an alarm the unit must not be manually reset before having located and eliminated the cause of the fault. Repeated manual resets may cause the guarantee to be annulled.
  • Page 25 MULTIFUNCTIONAL UNITS RLC – Installation and maintenance manual 11 Ethylenic glycol correction table In order to calculate performance with glycolic solutions multiply main sizes by respective coefficients. 12 Scaling correction table for packaged versions In order to calculate performance with glycolic solutions multiply main sizes by respective coefficients Pag.

  • Page 26: Preparazione All'avviamento

    Refrigerant seals control Thermocold units are sent with the complete charge of refrigerant and are at a sufficient pressure to check the seal after installing. If the system were not under pressure, blow refrigerants (vapour) into it until pressure is reached and look for leakage.

  • Page 27: Refrigerant Charge

    MULTIFUNCTIONAL UNITS RLC – Installation and maintenance manual 13.4 Refrigerant charge 13.4.1 Charge with unit stopped and in vacuum (refrigerant charge in the liquid phase) Open the shut off valve as far as possible so that it closes the spia liquido service coupling.

  • Page 28: Avviamento

    Follow the above mentioned procedure every time the plant is stopped long enough for the water temperature contained in it to rise. 14.4 Control of the oil charge All the compressors mounted on Thermocold units are factory charged with oil. Scroll compressors have an oil sight glass to check the oil level. The oil level must be between two oil markers which indicate the minimum and the maximum level.

  • Page 29: Manutenzione

    Maintenance operations are fundamental in order to keep the units running properly, both purely functional and energetically points of view. Every Thermocold unit comes with a logbook, in which the user or the person delegated to machine maintenance can keep all the required notes, in order to keep a historical log of the Thermocold unit.

  • Page 30: Pezzi Di Ricambio Consigliati

    16 Recommended spare parts There follows a list of the recommended parts for several years’ running. Thermocold is at your disposal to recommend a personalised list of accessories according to the commissioned order, including the part number of the equipment.
  • Page 31 MULTIFUNCTIONAL UNITS RLC – Installation and maintenance manual Le informazioni tecniche contenute nel presente manuale non sono impegnative. La Thermocold Costruzioni S.r.l. si riserva la facoltà di apportare in qualsiasi momento tutte le modifiche necessarie per il miglioramento del manuale.

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