Airwell Itelco-Clima CLS Series Installation And Maintenance Manual
  1. Manuals
  2. Brands
  3. Airwell Manuals
  4. Chiller
  5. Itelco-Clima CLS Series
  6. Installation and maintenance manual

Airwell Itelco-Clima CLS Series Installation And Maintenance Manual

Air cooled water chillers
Hide thumbs
Table of Contents

Advertisement

Quick Links

Библиотека СОК 
Installation and maintenance manual
CLS/CLC/CLH
182 ÷ 602
41
140 kW
46
152 kW
English
Air cooled water chillers, air cooled condensing units and air-to-water
reverse cycle heat pumps
IOM CLSCH-N.1GB
Date : November 2005
Supersedes : None

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Itelco-Clima CLS Series and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Airwell Itelco-Clima CLS Series

Summary of Contents for Airwell Itelco-Clima CLS Series

  • Page 1 Библиотека СОК  Installation and maintenance manual CLS/CLC/CLH 182 ÷ 602 English Air cooled water chillers, air cooled condensing units and air-to-water  reverse cycle heat pumps 140 kW  152 kW IOM CLSCH-N.1GB Date : November 2005 Supersedes : None...

  • Page 2: Table Of Contents

    Manuale CLS-CLH1 7.2.2005 10:17 Pagina 1 Table of contents Table of contents 1 FOREWORD 5 START-UP 1.1 Introduction 5.1 Preliminary check 1.2 Warranty 5.2 Start-up 1.3 Emergency stop/Normal stop 5.3 Checking the operation 1.4 An introduction to this manual 5.4 Delivery to the customer 2 SAFETY 6 CONTROL 2.1 Foreword...
  • Page 3 Manuale CLS-CLH1 7.2.2005 10:17 Pagina 2 Table of contents 9 MAINTENANCE 9.1 General requirements 9.2 Planned maintenance 9.3 Refrigerant charge 9.4 Compressor 9.5 Condenser 9.6 Fans 9.7 Dehydrating filter 9.8 Sight glass 9.9 Thermostatic expansion valve 9.10 Evaporator 10 TROUBLESHOOTING 11 SPARE PARTS 11.1 Spare parts list 11.2 Oil for compressors...

  • Page 4: Foreword

    Manuale CLS-CLH1 7.2.2005 10:17 Pagina 3 Foreword FOREWORD 1.3 Emergency stop / Normal stop 1.1 Introduction The emergency stop of the unit can be enabled using the master switch on the control panel (move down the lever). Itelco-Clima units, manufactured to state-of-the-art de- sign and implementation standards, ensure top per- For a normal stop, press the relevant push-buttons.

  • Page 5: Safety

    Manuale CLS-CLH1 7.2.2005 10:17 Pagina 4 Safety SAFETY The guards of the fans (only for units pro- vided with air heat exchangers) must be al- ways mounted and must never be removed Foreword before de-energising the appliance. These units must be installed in conformity with the provisions of Machinery Directive 98/37/EC, Low It is the User’s responsibility to ensure that Voltage Directive 73/23/EC, Pressure Vessels Direc-...

  • Page 6: Access To The Unit

    Manuale CLS-CLH1 7.2.2005 10:17 Pagina 5 Safety OPERATOR: means a person authorised by the own- do not use your hands to check for any pressure er to do on Itelco-Clima unit all the regulation and drops control operations expressly described in this manu- use tools in a good state of repair;...

  • Page 7: Precautions During Maintenance Operations

    Manuale CLS-CLH1 7.2.2005 10:17 Pagina 6 Safety check the proper grounding of the unit before start- place a warning sign “do not turn on - mainte- nance in progress” on the external disconnecting switch check all the electrical connections, the connecting cables, and in particular the insulation;...

  • Page 8: Safety Labels

    Manuale CLS-CLH1 7.2.2005 10:17 Pagina 7 Safety 2.7 Safety plates The labels below will be affixed to each unit in the in- dicated point: Identification of the refrigerant - External door TENERE SU QUESTA LINEA GANCIO DI SOLLEVAMENTO KEEP LIFT HOOK R407C ON THIS LINE Gravity centre - Base...
  • Page 9 Manuale CLS-CLH1 7.2.2005 10:17 Pagina 8 Safety ATTENZIONE INSERIRE LE RESISTENZE DI RISCALDAMENTO OLIO ALMENO 12 ORE PRIMA DI OGNI AVVIAMENTO (SE PREVISTE). PRIMA DELLA MESSA IN TENSIONE ASSICURARSI CHE LE VITI DEI CIRCUITI ELETTRICI SIANO SERRATE COMPLETAMENTE . WARNING ENERGIZE THE CRANCKCASE HEATER FOR AT LEAST 12 HOURS BEFORE EACH STARTING (IF FITTED).

  • Page 10: Safety Regulations

    Manuale CLS-CLH1 7.2.2005 10:17 Pagina 9 Safety Safety regulations Refrigerant data Safety data: R407C, R134a Toxicity Contact with skin If sprayed, the refrigerant is likely to cause frost burns. If absorbed by the skin, the danger is very limited; it may cause a slight irritation, and the liquid is degreasing.
  • Page 11 Manuale CLS-CLH1 7.2.2005 10:17 Pagina 10 Safety General precautions Do not inhale concentrated vapours. Their concentration in the atmos- phere should not exceed the minimum preset values and should be maintained below the professional threshold. Being more weighty than the air, the vapour concentrates on the bottom, in narrow areas. There- fore, the exhaust system must work at low level.
  • Page 12 Manuale CLS-CLH1 7.2.2005 10:17 Pagina 11 Safety Refrigerant oil data Safety data: Polyolester oil (POE) Classification Not harmful Contact with skin May cause slight irritation. Does not require first aid measures. It is rec- ommended to follow usual personal hygiene measures, including wash- ing the exposed skin with soap and water several times a day.

  • Page 13: Transport, Lifting And Positioning

    Manuale CLS-CLH1 7.2.2005 10:17 Pagina 12 Transport, Lifting and Positioning TRANSPORT, LIFTING Hook near the barycentre of the unit. AND POSITIONING The cables must be long enough to form, if ten- sioned, an angle of at least 45° with respect to the Refrigerators are supplied assembled (apart from horizontal plane.

  • Page 14: Anchoring

    Manuale CLS-CLH1 7.2.2005 10:17 Pagina 13 Transport, Lifting and Positioning For lifting operations, use only tools and material fit for this purpose, in accordance with accident-prevention regulations. During the lifting and handling of the unit, be careful not to damage the finned pack of the coils positioned on the sides of the unit.

  • Page 15: Installation

    Manuale CLS-CLH1 7.2.2005 10:17 Pagina 14 Installation INSTALLATION 4.2 Installation of Spring Shock Absorbers 4.1 Positioning of the unit Prepare the base, that must be flat and plane. Before installing the unit, make sure that the Lift the appliance and insert shock absorbers as structure of the building and/or the support- follows: ing surface can withstand the weight of the...

  • Page 16: External Hydraulic Circuit

    Manuale CLS-CLH1 7.2.2005 10:17 Pagina 15 Installation The capacity of the expansion vessel must allow for an expansion of at least 2% of the volume of the fluid in the circuit (evapora- tor, piping, user circuit and standby tank, if any).

  • Page 17: Hydraulic Connection

    Manuale CLS-CLH1 7.2.2005 10:17 Pagina 16 Installation Legends: GA: Flexible hoses Pressure gauge connection Drain cock Gate valve Thermometer Flow meter Filter Before filling the circuit, it is important to 4.5 Draining the defrosting check that it is free from any foreign matter, waste water sand, gravels, rust, welding deposits, waste (for heat pump unit only)

  • Page 18: Electrical Connections

    Manuale CLS-CLH1 7.2.2005 10:17 Pagina 17 Installation The company in charge of the installation Before connecting the power supply lines, shall conform to the standards applicable to check that the available voltage value does outdoor electrical connections. not exceed the range specified in the Elec- tric Data (Chapter 8).
  • Page 19 Manuale CLS-CLH1 7.2.2005 10:17 Pagina 18 Installation Terminal box CLS/CLH/CLC STD-LN-ELN-HPF-HT Terminal box CLH EH REMOTE START/STOP SWITCH (SRS) (COMMON) (SRHP) REMOTE SEL. OF COOLING/HEATING MODES FLOW METER (SF) EXTERNAL INTERLOK/PUMP CONSENT COMMON ANTIFREEZE CONTROL (MAX 0,5 AMP 230 Vac) EXTERNAL PUMP CONTROL (MAX 0,5 AMP 230 Vac) ALARMED MACHINE 1-2 COMPRESSOR 1 ON...

  • Page 20: Start-Up

    Manuale CLS-CLH1 7.2.2005 10:17 Pagina 19 Start-up START-UP 5.2 Start-up Start-up sequence: The unit must be started for the first time by personnel suitably trained by one of Itelco- Turn on the master switch (at least 12 hours be- Clima’s Authorised Service Centre. Failure fore).

  • Page 21: Checking The Operation

    Manuale CLS-CLH1 7.2.2005 10:17 Pagina 20 Start-up 5.3 Checking the operation Check the following: The temperature of the water entering the evapo- rator. The temperature of the water leaving the evapora- tor. The level of the water flow rate in the evaporator, if possible.

  • Page 22: Control

    Manuale CLS-CLH1 7.2.2005 10:17 Pagina 21 Control CONTROL Antifreeze functions These units are provided with antifreeze protection The standard equipment of the units includes a con- for the chilled fluid. This protection consists of a resis- trol and monitoring electronic system, which ensures tor in contact wit the refrigerant/fluid heat exchang- the deployment of all control, monitoring and alarm er, which is enabled (also when the unit is off) when...

  • Page 23: Display

    Manuale CLS-CLH1 7.2.2005 10:17 Pagina 22 Control 6.3 Display The display allows to indicate, in particular: The temperature of the water entering the machine in Celsius degrees The alarm code, if an alarm has been activated LED’s: 1 Displays the “Heating” mode of operation 2 Displays the “Cooling”...

  • Page 24: Start-Up

    Manuale CLS-CLH1 7.2.2005 10:17 Pagina 23 Control 6.4 Start-up 6.5 Switching the working temperature Once you have checked that the electrical connec- tions are workmanlike, the unit can be started as fol- – Put the machine in Standby (using the MODE key). lows: –...

  • Page 25: Main Alarms

    Manuale CLS-CLH1 7.2.2005 10:17 Pagina 24 Control 6.6 Main alarms Code Description Reset Remote Off Automatic High pressure 1 Manual Low pressure 1 Automatic/manual Thermal protection, compressor 1 Manual Thermal protection, fans Manual Antifreeze, circuit 1 Manual Failure of leaving water sensor 1 Automatic Failure of coil sensor 1 Automatic...

  • Page 26: General Description

    Manuale CLS-CLH1 7.2.2005 10:17 Pagina 25 General Description GENERAL DESCRIPTION 7.1 Introduction other types of fluids, such as, for example, glycoled water, that can be used in industrial processes. The CLS/CLH units are water chillers/air - water heat pumps with hermetic scroll compressors with double The units are fit for outdoor installation on the roof of refrigeration circuit.

  • Page 27: Water-Type Heat Exchanger

    Manuale CLS-CLH1 7.2.2005 10:17 Pagina 26 General Description 7.5 Water heat exchanger 7.7 Fans The evaporators are of stainless steel plate type. Fans are of directly coupling propeller type, provid- ed with aluminium blade with wing profile. Their thermal insulation is ensured by a thick flexible Each fan is provided with galvanised steel accident- closed-cell heat-insulating jacket.
  • Page 28 Manuale CLS-CLH1 7.2.2005 10:17 Pagina 27 General Description CLH refrigeration diagram REFRIGERATION PLANT HYDRAULIC PLANT (OPTIONAL) Components of the refrigeration Components of the hydraulic plant Safety devices: system: (optional): Compressors C1 / C2 Shut-off valve HP pressure switch Silencer (ELN only) Pump(s) LP pressure switch Reversing valve...

  • Page 29: Power Supply And Control System

    Manuale CLS-CLH1 7.2.2005 10:17 Pagina 28 General Description 7.8 Electric power supply and control system The control compartment contains and electronic card with keyboard and a display for working para- meters, alarms, if any, and operating blocks. It is complete with remote control switches and pro- tection fuses for the motors of compressors, fans and pumps.

  • Page 30: Technical Data

    Manuale CLS-CLH1 7.2.2005 10:17 Pagina 29 Technical data TECHNICAL DATA 8.1 Pressure drops in the evaporator PRESSURE DROPS IN THE EVAPORATOR CLS 182 CLS 202 CLS 242 CLS 302 CLS 352 52.3 41.5 29.4 21.0 12.5 Min. water flow rate Nominal flow rate Max.

  • Page 31: Technical Data

    Manuale CLS-CLH1 7.2.2005 10:17 Pagina 30 Technical data 8.2 Technical data CLS STD Power supply V/ph/Hz 400/3/50 Number of circuits Number of steps Capacity control steps 50/100 50/100 50/100 50/100 43-57/100 Refrigerant Type R407C Charge (1) 10.0 12.0 Compressors Type Scroll Scroll Scroll...
  • Page 32 Manuale CLS-CLH1 7.2.2005 10:17 Pagina 31 Technical data CLS STD Power supply V/ph/Hz 400/3/50 Number of circuits Number of steps Capacity control steps 50/100 50/100 43-57/100 50/100 Refrigerant Type R407C Charge (1) 12.0 17.0 18.5 20.0 Compressors Type Scroll Scroll Scroll Scroll Number...
  • Page 33 Manuale CLS-CLH1 7.2.2005 10:17 Pagina 32 Technical data CLS LN Power supply V/ph/Hz 400/3/50 Number of circuits Number of steps Capacity control steps 50/100 50/100 50/100 50/100 43-57/100 Refrigerant Type R407C Charge (1) 11.0 12.0 Compressors Type Scroll Scroll Scroll Scroll Scroll Number...
  • Page 34 Manuale CLS-CLH1 7.2.2005 10:17 Pagina 33 Technical data CLS LN Power supply V/ph/Hz 400/3/50 Number of circuits Number of steps Capacity control steps 50/100 50/100 43-57/100 50/100 Refrigerant Type R407C Charge (1) 13.0 17.0 18.5 20.0 Compressors Type Scroll Scroll Scroll Scroll Number...
  • Page 35 Manuale CLS-CLH1 7.2.2005 10:17 Pagina 34 Technical data CLS ELN Power supply V/ph/Hz 400/3/50 Number of circuits Number of steps Capacity control steps 50/100 50/100 50/100 50/100 43-57/100 Refrigerant Type R407C Charge (1) 11.0 12.0 Compressors Type Scroll Scroll Scroll Scroll Scroll Number...
  • Page 36 Manuale CLS-CLH1 7.2.2005 10:17 Pagina 35 Technical data CLS ELN Power supply V/ph/Hz 400/3/50 Number of circuits Number of steps Capacity control steps 50/100 50/100 43-57/100 50/100 Refrigerant Type R407C Charge (1) 12.0 17.0 18.5 20.0 Compressors Type Scroll Scroll Scroll Scroll Number...
  • Page 37 Manuale CLS-CLH1 7.2.2005 10:17 Pagina 36 Technical data CLS HPF Power supply V/ph/Hz 400/3/50 Number of circuits Number of steps Capacity control steps 50/100 50/100 50/100 50/100 43-57/100 Refrigerant Type R407C Charge (1) 11.0 12.0 Compressors Type Scroll Scroll Scroll Scroll Scroll Number...
  • Page 38 Manuale CLS-CLH1 7.2.2005 10:17 Pagina 37 Technical data CLS HPF Power supply V/ph/Hz 400/3/50 Number of circuits Number of steps Capacity control steps 50/100 50/100 43-57/100 50/100 Refrigerant Type R407C Charge (1) 12.0 17.0 18.5 20.0 Compressors Type Scroll Scroll Scroll Scroll Number...
  • Page 39 Manuale CLS-CLH1 7.2.2005 10:17 Pagina 38 Technical data CLS HT Power supply V/ph/Hz 400/3/50 Number of circuits Number of steps Capacity control steps 50/100 50/100 50/100 50/100 43-57/100 Refrigerant Type R407C Charge (1) 11.0 12.0 Compressors Type Scroll Scroll Scroll Scroll Scroll Number...
  • Page 40 Manuale CLS-CLH1 7.2.2005 10:17 Pagina 39 Technical data CLS HT Power supply V/ph/Hz 400/3/50 Number of circuits Number of steps Capacity control steps 50/100 50/100 43-57/100 50/100 Refrigerant Type R407C Charge (1) 12.0 17.0 18.5 20.0 Compressors Type Scroll Scroll Scroll Scroll Number...
  • Page 41 Manuale CLS-CLH1 7.2.2005 10:17 Pagina 40 Technical data CLC STD-LN-HPF-HT Power supply V/ph/Hz 400/3/50 Number of circuit Number of steps Capacity control steps 50/100 50/100 50/100 50/100 43-57/100 Compressors Type Scroll Scroll Scroll Scroll Scroll Number Start-up type Direct Condenser Type Coil type (Al/Cu) Refrigerant connections...
  • Page 42 Manuale CLS-CLH1 7.2.2005 10:17 Pagina 41 Technical data CLC ELN Power supply V/ph/Hz 400/3/50 Number of circuit Number of steps Capacity control steps 50/100 50/100 50/100 50/100 43-57/100 Compressors Type Scroll Scroll Scroll Scroll Scroll Number Start-up type Direct Condenser Type Coil type (Al/Cu) Refrigerant connections...
  • Page 43 Manuale CLS-CLH1 7.2.2005 10:17 Pagina 42 Technical data CLH STD Power supply V/ph/Hz 400/3/50 Number of circuits Number of steps Capacity control steps 50/100 50/100 50/100 50/100 43-57/100 Refrigerant Type R407C Charge (1) 11.0 13.0 14.5 15.0 Compressors Type Scroll Scroll Scroll Scroll...
  • Page 44 Manuale CLS-CLH1 7.2.2005 10:17 Pagina 43 Technical data CLH STD Power supply V/ph/Hz 400/3/50 Number of circuits Number of steps Capacity control steps 50/100 50/100 43-57/100 50/100 Refrigerant Type R407C Charge (1) 17.0 20.0 22.0 24.0 Compressors Type Scroll Scroll Scroll Scroll Number...
  • Page 45 Manuale CLS-CLH1 7.2.2005 10:17 Pagina 44 Technical data CLH LN Power supply V/ph/Hz 400/3/50 Number of circuits Number of steps Capacity control steps 50/100 50/100 50/100 50/100 43-57/100 Refrigerant Type R407C Charge (1) 11.0 13.0 14.5 15.0 Compressors Type Scroll Scroll Scroll Scroll...
  • Page 46 Manuale CLS-CLH1 7.2.2005 10:17 Pagina 45 Technical data CLH LN Power supply V/ph/Hz 400/3/50 Number of circuits Number of steps Capacity control steps 50/100 50/100 43-57/100 50/100 Refrigerant Type R407C Charge (1) 17.0 20.0 22.0 24.0 Compressors Type Scroll Scroll Scroll Scroll Number...
  • Page 47 Manuale CLS-CLH1 7.2.2005 10:17 Pagina 46 Technical data CLH ELN Power supply V/ph/Hz 400/3/50 Number of circuits Number of steps Capacity control steps 50/100 50/100 50/100 50/100 43-57/100 Refrigerant Type R407C Charge 1) 12.0 15.0 15.0 15.0 Compressors Type Scroll Scroll Scroll Scroll...
  • Page 48 Manuale CLS-CLH1 7.2.2005 10:17 Pagina 47 Technical data CLH ELN Power supply V/ph/Hz 400/3/50 Number of circuits Number of steps Capacity control steps 50/100 50/100 43-57/100 50/100 Refrigerant Type R407C Charge (1) 17.0 20.0 18.5 20.0 Compressors Type Scroll Scroll Scroll Scroll Number...
  • Page 49 Manuale CLS-CLH1 7.2.2005 10:17 Pagina 48 Technical data CLH HPF Power supply V/ph/Hz 400/3/50 Number of circuits Number of steps Capacity control steps 50/100 50/100 50/100 50/100 43-57/100 Refrigerant Type R407C Charge (1) 12.0 15.0 15.0, 15.0 Compressors Type Scroll Scroll Scroll Scroll...
  • Page 50 Manuale CLS-CLH1 7.2.2005 10:17 Pagina 49 Technical data CLH HPF Power supply V/ph/Hz 400/3/50 Number of circuits Number of steps Capacity control steps 50/100 50/100 43-57/100 50/100 Refrigerant Type R407C Charge (1) 17.0 20.0 18.5 20.0 Compressors Type Scroll Scroll Scroll Scroll Number...

  • Page 51: Electrical Data

    Manuale CLS-CLH1 7.2.2005 10:17 Pagina 50 Technical data 8.3 Unit Electrical data CLS/CLC STD Rated voltage V(%)/ph/Hz 400 ±10% / 3 / 50 Max. absorbed power 18.8 25.4 30.0 35.6 42.5 Rated current 22.2 30.6 41.9 50.5 58.5 Max. current (FLA) 32.1 43.3 49.9...
  • Page 52 Manuale CLS-CLH1 7.2.2005 10:17 Pagina 51 Technical data Unit Electrical data CLS/CLC LN-ELN Rated voltage V(%)/ph/Hz 400 ±10% / 3 / 50 Max. absorbed power 19.3 25.9 30.4 36.0 43.2 Rated current 22.6 31.0 42.3 50.9 59.2 Max. current (FLA) 32.5 43.7 50.3...
  • Page 53 Manuale CLS-CLH1 7.2.2005 10:17 Pagina 52 Technical data Unit Electrical data CLS/CLC HT-HPF Rated voltage V(%)/ph/Hz 400 ±10% / 3 / 50 Max. absorbed power 19.8 26.4 31.0 36.6 44.0 Rated current 23.7 32.1 43.4 52.0 60.8 Max. current (FLA) 33.6 44.8 51.4...
  • Page 54 Manuale CLS-CLH1 7.2.2005 10:17 Pagina 53 Technical data Electrical Data Compressors and pumps Compressors CLS/CLC Number Absorbed power rating, compr. 1 13.7 13.7 Absorbed power rating, compr. 2 13.7 18.6 Max. absorbed power, compr. 1 Max. absorbed power, compr. 2 Rated current, compressor 1 10.1 14.4...
  • Page 55 Manuale CLS-CLH1 7.2.2005 10:17 Pagina 54 Technical data Fans Electrical data Fans CLS/CLC STD Power supply V-ph-Hz 400 ±10% / 3 / 50 Number n° Rated power per fan 0.48 0.48 0.48 0.48 0.48 Max. absorbed current per fan 0.93 0.93 0.93 0.93...
  • Page 56 Manuale CLS-CLH1 7.2.2005 10:17 Pagina 55 Technical data Unit Electrical data CLH STD Rated voltage V(%)/ph/Hz 400 ±10% / 3 / 50 Max. absorbed power 18.8 25.4 31.0 36.0 42.1 Rated current 22.2 30.6 41.9 51.4 51.3 Max. current (FLA) 32.1 43.3 49.9...
  • Page 57 Manuale CLS-CLH1 7.2.2005 10:17 Pagina 56 Technical data Unit Electrical data CLH LN Rated voltage V(%)/ph/Hz 400 ±10% / 3 / 50 Max. absorbed power 19.3 25.9 31.4 36.7 42.8 Rated current 22.6 31.0 42.3 52.1 52.0 Max. current (FLA) 32.5 43.7 50.3...
  • Page 58 Manuale CLS-CLH1 7.2.2005 10:17 Pagina 57 Technical data Unit Electrical data CLH ELN Rated voltage V(%)/ph/Hz 400 ±10% / 3 / 50 Max. absorbed power 19.3 25.9 32.1 36.7 42.8 Rated current 22.6 31.0 43.5 52.1 52.0 Max. current (FLA) 32.5 43.7 51.5...
  • Page 59 Manuale CLS-CLH1 7.2.2005 10:17 Pagina 58 Technical data Unit Electrical data CLH HPF Rated voltage V(%)/ph/Hz 400 ±10% / 3 / 50 Max. absorbed power 19.8 26.4 32.0 37.5 43.6 Rated current 23.7 32.1 43.4 53.7 53.6 Max. current (FLA) 33.6 44.8 51.4...
  • Page 60 Manuale CLS-CLH1 7.2.2005 10:17 Pagina 59 Technical data Electrical Data Compressors and pumps Compressorsi CLH Number Absorbed power rating, compr. 1 13.7 12.9 Absorbed power rating, compr. 2 13.7 15.8 Max. absorbed power, compr. 1 Max. absorbed power, compr. 2 Rated current, compressor 1 10.1 14.4...
  • Page 61 Manuale CLS-CLH1 7.2.2005 10:17 Pagina 60 Technical data Fans Electrical data Fans CLH STD Power supply V-ph-Hz 400 ±10% / 3 / 50 Number n° Rated power per fan 0.48 0.48 0.48 0.48 0.48 Max. absorbed current per fan 0.93 0.93 0.93 0.93...
  • Page 62 Manuale CLS-CLH1 7.2.2005 10:17 Pagina 61 Technical data CLH with additional resistances CLH HE Option 0 Rated voltage V(%)/ph/Hz 400 ±10% / 3 / 50 Additional resistances Max. absorbed power 43.6 50.2 64.5 69.5 75.9 99.7 107.4 Rated current 58.9 67.3 91.9 101.4...

  • Page 63: Position Of Shock Absorbers And Weight Distribution On Supports

    Manuale CLS-CLH2 7.2.2005 10:23 Pagina 62 Technical data 8.4 Position of shock absorbers and weight distribution on supports Lato Compressori Compressor side Lato Compressori Compressor side (For the support position, see paragraph 8.5). BASIC UNIT Weight (kg) Support 1 (A1) Support 2 (A2) Support 3 (A3) Support 4 (A4)
  • Page 64 Manuale CLS-CLH2 7.2.2005 10:23 Pagina 63 Technical data Lato Compressori Compressor side Lato Compressori Compressor side (For the support position, see paragraph 8.5). UNIT WITH 2 PUMPS Weight (kg) Support 1 (A1) Support 2 (A2) Support 3 (A3) Support 4 (A4) 182 STD/LN/HPF/HT 202 STD/LN/HPF/HT 242 STD/LN/HPF/HT...
  • Page 65 Manuale CLS-CLH2 7.2.2005 10:23 Pagina 64 Technical data Compressor side Lato Compressori Lato Compressori Compressor side (For the support position, see paragraph 8.5). UNIT WITH 2 PUMPS AND 1 TANK Weight (kg) Support 1 (A1) Support 2 (A2) Support 3 (A3) Support 4 (A4) 182 STD/LN/HPF/HT 202 STD/LN/HPF/HT...
  • Page 66 Manuale CLS-CLH2 7.2.2005 10:23 Pagina 65 Technical data Lato Compressori Compressor side Lato Compressori Compressor side (For the support position, see paragraph 8.5. Weight (kg) Support 1 (A1) Support 2 (A2) Support 3 (A3) Support 4 (A4) 182 STD/LN/HPF/HT 202 STD/LN/HPF/HT 242 STD/LN/HPF/HT 302 STD/LN/HPF/HT 352 STD/LN/HPF/HT...
  • Page 67 Manuale CLS-CLH2 7.2.2005 10:23 Pagina 66 Technical data Compressor side Lato Compressori Lato Compressori Compressor side (For the support position, see paragraph 8.5). BASIC UNIT Weight (kg) Support 1 (A1) Support 2 (A2) Support 3 (A3) Support 4 (A4) 182 STD/LN/HPF 202 STD/LN/HPF 242 STD/LN/HPF 302 STD/LN/HPF...
  • Page 68 Manuale CLS-CLH2 7.2.2005 10:23 Pagina 67 Technical data Compressor side Lato Compressori Lato Compressori Compressor side (For the support position, see paragraph 8.5). UNIT WITH 2 PUMPS Weight (kg) Support 1 (A1) Support 2 (A2) Support 3 (A3) Support 4 (A4) 182 STD/LN/HPF 202 STD/LN/HPF 242 STD/LN/HPF...
  • Page 69 Manuale CLS-CLH2 7.2.2005 10:23 Pagina 68 Technical data Lato Compressori Compressor side Lato Compressori Compressor side (For the support position, see paragraph 8.5). UNIT WITH 2 PUMP AND 1 TANK Weight (kg) Support 1 (A1) Support 2 (A2) Support 3 (A3) Support 4 (A4) 182 STD/LN/HPF 202 STD/LN/HPF...

  • Page 70: Overall Dimensions

    Manuale CLS-CLH2 7.2.2005 10:23 Pagina 69 Technical data 8.5 Overall dimensions CLS 182-302 STD-LN-ELN-HT-HPF 35 mm for transport only Cable inlet 36.5 1037 36.5 1110 VIEW A 2” male 2” male 2" 2" ~368 (+35 mm for transport only) VIEW C VIEW C without tank with tank...
  • Page 71 Manuale CLS-CLH2 7.2.2005 10:23 Pagina 70 Technical data CLS 352-602 STD-LN-ELN-HT-HPF 35 mm for transport only 36.5 36.5 1037 1110 VIEW A 2” male 2" 2" male (+35 mm for transport only) VIEW C ~368 VIEW C without tank with tank VIEW B Models Versions...
  • Page 72 Manuale CLS-CLH2 7.2.2005 10:23 Pagina 71 Technical data CLC 182-602 STD-LN-ELN-HT-HPF D1 - D2 = Liquid line D1-D2 E1-E2 E1 - E2 = Suction line 182-202 1/2” 7/8” 242-602 5/8” 1 5/8” Note: Back view shows the refrigerant attacks. For the other dimensions to reference to CLS units. The refrigerant connections doesn’t arrive to the back frame (see above) but they are easily attainable from the outside.
  • Page 73 Manuale CLS-CLH2 7.2.2005 10:23 Pagina 72 Technical data CLH 182-242 STD-LN-HPF / CLH 182-202 ELN 35 mm for transport only Cable inlet 36.5 1037 36.5 1110 VIEW A 2” male 2" 2" male VIEW C (+35 mm for transport only) VIEW C without tank with tank...
  • Page 74 Manuale CLS-CLH2 7.2.2005 10:23 Pagina 73 Technical data CLH 302 STD-LN-ELN-HPF / CLH 242 ELN / CLH 352-602 STD-LN-ELN-HPF 35 mm for transport only 36.5 1037 36.5 1110 VIEW A 2” male 2 " male 2" (+35 mm for transport only) VIEW C VIEW C with tank...

  • Page 75: Service Spaces

    Manuale CLS-CLH2 7.2.2005 10:23 Pagina 74 Technical data 8.6 Service spaces Installation of Single Units 3000 mm For all sizes: 1000 mm 1000 mm 1000 mm For all sizes: 1000 mm VISTA A VIEW A Installation of several Units WALL A PARETE A 1.5 m WALL D...

  • Page 76: Maintenance

    Manuale CLS-CLH2 7.2.2005 10:23 Pagina 75 Maintenance MAINTENANCE Planned maintenance Carefully read the “Safety” section of this manual before carrying out any maintenance operations. Do not discharge the refrigerant into the at- Operations mosphere while the refrigeration circuits are being drained. Use appropriate recov- ery equipment.

  • Page 77: Refrigerant Charge

    Manuale CLS-CLH2 7.2.2005 10:23 Pagina 76 Maintenance 9.3 Refrigerant charge Compressors use polyester oil, for both the versions manufactured for R134a and R407C. During maintenance operations on Do not inject refrigerant liquid into the LP the compressor, or if you have to open the side of the circuit.

  • Page 78: Dehydrating Filter

    Manuale CLS-CLH2 7.2.2005 10:23 Pagina 77 Maintenance 9.7 Dehydrating filter Make the adjusting screw follow a complete turn, and operate the appliance for five minutes. Check again and, if necessary, repeat the regula- The refrigeration circuits are provided with dehydrat- tion.

  • Page 79: Troubleshooting

    Manuale CLS-CLH2 7.2.2005 10:23 Pagina 78 Troubleshooting 10 TROUBLESHOOTING The table below lists the anomalies of operation of the unit, the relevant causes and the corrective measures. For anomalies of any other type or not listed, contact one of Itelco-Clima’s Service Centre for technical assis- tance.
  • Page 80 Manuale CLS-CLH2 7.2.2005 10:23 Pagina 79 Troubleshooting Anomaly Cause Operation One or both compressors Breaking of the electric circuit. Check the electric circuit and detect are not working. any ground dispersions and short cir- cuits. Check fuses. Intervention of the HP pressure Reset the pressure switch and the con- switch.

  • Page 81: Spare Parts

    Manuale CLS-CLH2 7.2.2005 10:23 Pagina 80 Spare parts SPARE PARTS 11.1 Spare part list The table below shows the list of spare parts recom- mended during the first two years of operation. Component Number HP pressure switch LP pressure switch Gas filter Thermostatic valve Auxiliary relays...

  • Page 82: Dismantling, Demolition And Scrapping

    Manuale CLS-CLH2 7.2.2005 10:23 Pagina 81 Dismantling, Demolition and Scrapping 12 DISMANTLING, DEMOLITION After draining operations, the piping of the hydraulic networks can be disconnected and disassembled. AND SCRAPPING Once they have been disconnected as specified, the During the draining of the refrigeration cir- packaged units can be disassembled in a single cuits, do not let the refrigerant overflow in piece.
  • Page 83 Your distributor : As part of our ongoing product improvement programme, our products are subject to change without prior notice. Non contractual photos.

This manual is also suitable for:

Itelco-clima clc seriesItelco-clima clh seriesItelco-clima cls 182 stdItelco-clima cls 202 stdItelco-clima cls 242 stdItelco-clima cls 302 std ... Show all

Table of Contents

Save PDF