CLIVET WCH-I 250 Installation Manual
CLIVET WCH-I 250 Installation Manual

CLIVET WCH-I 250 Installation Manual

Water cooled liquid chillers for internal installation

Advertisement

Quick Links

Installation Manual
use and maintenance
WCH-I 250-550
Water Cooled Liquid Chillers for internal installation
M0CL40E18-00
17-05-19

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the WCH-I 250 and is the answer not in the manual?

Questions and answers

Summary of Contents for CLIVET WCH-I 250

  • Page 1 Installation Manual use and maintenance WCH-I 250-550 Water Cooled Liquid Chillers for internal installation M0CL40E18-00 17-05-19...
  • Page 2 CLIVET Spa The data contained in this manual is not binding and may be changed by the manufacturer without prior notice. Reproduction, even is part, is FORBIDDEN © Copyright - CLIVET S.p.A. - Feltre (BL) - Italia WCH-I 250-550 M0CL40E18-00...
  • Page 3 General Reception Positioning Water connections Electrical connections Start-up Regulation Maintenance Troubleshooting Disposal Residual risks Dimensional M0CL40E18-00 WCH-I 250-550...
  • Page 4: Installation

     All unit modifications will invalidate the warranty and you to indentify all the unit features. the manufacturer responsibility. The registration label shows the information required by the regulations, in particular: WCH-I 250-550 M0CL40E18-00...
  • Page 5 It identifies uniquely each unit. It allows to identify the specific spare parts for the unit. Assistance request Record the characteristic data on the label and return them to the table so that they are easily available in case of need. M0CL40E18-00 WCH-I 250-550...
  • Page 6: Unit Lifting

    Align the barycenter to the lifting point  Gradually bring the lifting belts under tension, making sure they are positioned correctly.  Before starting the movement, make sure that the unit is in stable equilibrium. Inverter weight magnitudes 250 / 500 Weight kg WCH-I 250-550 M0CL40E18-00...
  • Page 7 Units are designed to be installed: guarantee the good unit operating. · inside of Avoid therefore: · In a fixed position  ostacoli al flusso dell’aria · Flat  difficoltà di ricambio  The unit must be positioned flat M0CL40E18-00 WCH-I 250-550...
  • Page 8 3 POSITIONING ANTIVIBRATION - Option Spring loaded PECL00013 PECL00014 sizes 250 - 300 - 350 400 - 450 - 500 - 550 W1 = W2 = W3 = W4 RZ524-X207P GVr433-245-147P RZ524-X207P GVr433-245-147P WCH-I 250-550 M0CL40E18-00...
  • Page 9 W1 = W2 = W3 = W4 45ShA Ø 40 37.5 Anti-seismic PECL00015 PECL00016 sizes 250 - 300 - 350 400 - 450 - 500 - 550 W1 = W2 = W3 = W4 LaLV 448 LaLV 455 M0CL40E18-00 WCH-I 250-550...
  • Page 10  install an anti-vibration joint  position the exhaust outlet of the external  safety valve as shown in the figure. the exhaust outlet must be far from the  building's external air inlets. WCH-I 250-550 M0CL40E18-00...
  • Page 11: Hydraulic Connections

    Water filter It must be installed immediately at the entrance of the unit, in an easily accessible position for cleaning. Degree of filtration: 0.87 mm  The filter must never be removed, the operation will void the warranty. M0CL40E18-00 WCH-I 250-550...
  • Page 12  piping supports  pumping group  water flow switch   thermometer filter   expansion vessel exchanger chemical washing valve  + drain valve  safety valve shut-off valve   exchanger chemical washing valve WCH-I 250-550 M0CL40E18-00...
  • Page 13: Water Quality

    Maximum particle size to pass (filtration 0.87 limit) through heat exchanger (mm) Total dissolved solids (mg/l) < 1500 Max Ethylene, Propylene glycol QUANTITY OF CONDENSER CONNECTION 400 - 450 - 500 Install the reductions DN 250> DN 200 supplied with the unit M0CL40E18-00 WCH-I 250-550...
  • Page 14 4 HYDRAULIC CONNECTIO NS Configuration of hydraulic connections EVAPORATOR Water flow-rate Number of passes Water fittings scheme Left (Std) Standard DT = 5 ° C Right (option) High opposed DT <4 ° C opposed DT> 7 ° C WCH-I 250-550 M0CL40E18-00...
  • Page 15 4 HYDRAULIC CONNECTIO NS Configuration of hydraulic connections CONDENSER Water flow-rate Number of passes Water fittings scheme Left (Std) Standard DT = 5 ° C Right (option) High opposed DT <4 ° C opposed DT> 7 ° C M0CL40E18-00 WCH-I 250-550...
  • Page 16 It also provides additional protection against the surge, if the temperature of the condensation water is outside the operating limits. WCH-I 250-550 M0CL40E18-00...
  • Page 17 Isolate the pipes to avoid heat dispersions and formation of condensate.  Leave various service points free (wells, vents, etc).   Neglecting washing will require numerous interventions to clean the filter and in the worst cases it can lead to damage to exchangers and other components. M0CL40E18-00 WCH-I 250-550...
  • Page 18: Electrical Connections

    Refer to the unit’s electrical diagram (the number of the diagram is shown on the serial number label)  ! ! The unit includes inverters that generate higher  ! ! There is a risk of electric shock harmonics and can increase ground dispersion WCH-I 250-550 M0CL40E18-00...
  • Page 19 250 ..550 250 ..500 250 - 550 2 x 185 5 x 240 max connection section mm2 bolt M10 - M12 19 (M10) tightening torque Nm 2.5 - 3 19 - 40 60-70 35 (M12) M0CL40E18-00 WCH-I 250-550...
  • Page 20 Connect the cables so as not to stress the compressor terminals. Secure the cables to the support bracket. Maximum distance between inverter and compressor: 10mt Compressor terminals lock nut B with a wrench  tighten the nut A with another key  WCH-I 250-550 M0CL40E18-00...
  • Page 21 5 ELECTRICAL CONNECTIONS M0CL40E18-00 WCH-I 250-550...
  • Page 22: Description Of The Unit

    Maximum operating pressure of the water side of the exchanger: 10 bar. Condenser The condenser is a tube bundle. The heads are removable to allow cleaning and maintenance of the exchanger. Maximum operating pressure of the water side of the exchanger: 10 bar. WCH-I 250-550 M0CL40E18-00...
  • Page 23: Main Components

    6 START-UP MAIN COMPONENTS evaporator compressor electrical cabinet condenser safety valves evaporator safety valves economizer condenser throttle valve actuator IGV actuator oil cooler exchanger oil filter oil tank oil pump refrigerant charge valve M0CL40E18-00 WCH-I 250-550...
  • Page 24 WCH-I 250-550 M0CL40E18-00...
  • Page 25  complete and available machine documentation evaporative tower  flow working environment temperature IN-OUT temperature difference free circulation of air shut-off valves  in and out of the pumps in and out of the chiller non-return valve out of pumps  M0CL40E18-00 WCH-I 250-550...
  • Page 26 7 SETTING Press setting ► Press startup status ► Press Compressor Evaporator and so on. WCH-I 250-550 M0CL40E18-00...
  • Page 27 7 SETTING ► To choose Status> Digital ► To choose Status> Analog Press Parameter Setting M0CL40E18-00 WCH-I 250-550...
  • Page 28 7 SETTING ► To choose Alarm > Real time To choose Alarm > History WCH-I 250-550 M0CL40E18-00...
  • Page 29: Maintenance

    Lubricating oil replacement Year Check by: U = user, S = specialist, C = Clivet trained / authorized technician Freq. 1st year: check to be carried out with a close frequency in the first year of operation M0CL40E18-00 WCH-I 250-550...
  • Page 30: Hydraulic Circuit

    (with the same leaving water temperature). measurements made etc.  Contact a professional cleaning company or contact Setting aside the CLIVET after-sales service. If foreseen a long period of inactivity: Condenser cleaning turn off the power  Check and clean the condenser on an annual basis.
  • Page 31 Replacing the oil filter If the lubricating oil darkens, becomes dense or black or The oil filter must be replaced once a year or when the has obvious impurities, contact CLIVET for replacement. unit is disassembled for repair. Oil quality analysis LUBRICANT...
  • Page 32   Replace any rusty wiring terminals. after the unit has been started and is  running at full speed These two levels will be the reference for subsequent checks. WCH-I 250-550 M0CL40E18-00...
  • Page 33: Troubleshooting

    Water protection for heat recovery Condenser flow Fault in the heat recovery water inlet The host current is too low temperature sensor Current host with high protection 2 Heat recovery water temperature sensor Host high current protection 1 failure M0CL40E18-00 WCH-I 250-550...
  • Page 34: Common Mistakes

    If a status other than the normal one is detected, consult the table to identify the cause. Restore normal operation as soon as possible .. Contact the CLIVET after-sales service if error symptoms other than those indicated in the table are detected.
  • Page 35 3. Oil temperature too low. Adjust oil temperature control valve; check oil heating cycle. 1. Rotating parts come into contact with fixed parts. Stop the unit, remove the compressor. Abnormal compressor noise 2. Damaged bearing. Stop the unit, remove the compressor. M0CL40E18-00 WCH-I 250-550...
  • Page 36 Engine overheating: insufficient engine cooling, engine supply voltage out of limits, winding insulation is  damaged. Vacuum operation - Frost risk If it is necessary to evacuate the refrigerant, keep the water circulating in the exchangers so as to prevent the refrigerant from evaporating from freezing frozen water. WCH-I 250-550 M0CL40E18-00...
  • Page 37 BT11.1 coolant temperature probe BT46.1 compressor flow temperature probe BTM1.1 engine temperature probe BTOS1.1 oil tank temperature probe SPA1 evaporator differential pressure switch SPA2 condenser differential pressure switch IGV positioning control M0CL40E18-00 WCH-I 250-550...
  • Page 38 9 TROUBLESHOOTING BP2.1 low pressure transducer BPO1.1 oil pressure transducer BTO1.1 oil temperature probe economizing valve SLL1.1 check liquid level WCH-I 250-550 M0CL40E18-00...
  • Page 39: Weee Information

     the cooling circuit to be collected; mixtures with antifreeze in the water circuit, the  contents of which are to be collected; M0CL40E18-00 WCH-I 250-550...
  • Page 40: Residual Risks

    When it is not necessary to have voltage on the unit itself. circuits, open the disconnector located on the Electrically isolate the unit (yellow-red isolator). connection line of the unit itself, padlock it and equip it with the appropriate warning sign. WCH-I 250-550 M0CL40E18-00...
  • Page 41: Moving Parts

    Maintenance or repair operations requiring welding must be carried out with the system unloaded. Hydraulic part Faults in pipes, connections or interception devices can cause water leaks or projections with consequent damage to property or short circuits of the unit. M0CL40E18-00 WCH-I 250-550...
  • Page 42 Tel. +34 91 6658280 - Fax +34 91 6657806 - info@clivet.es CLIVET GmbH Hummelsbütteler Steindamm 84, 22851 Norderstedt - Germany Tel. + 49 (0) 40 32 59 57-0 - Fax + 49 (0) 40 32 59 57-194 - info.de@clivet.com CLIVET RUSSIA Elektrozavodskaya st. 24, office 509 - 107023, Moscow, Russia Tel.

This manual is also suitable for:

Wch-i 550Wch-i 500

Table of Contents