Table of Contents
Summary of Contents for HITESCA EKWXBA 7002.4
- Page 1 EKWXBA HEATING PUMP AIR-COOLED WATER CHILLERS ─ AXIAL FANS Models: 7002.4 │ 8002.4 │ 9002.4 Cooling Capacities: from 178.3 kW to 216.6 kW Heating Capacities: from 194.86 kW to 244.15 kW IOM_EKWXBA_7002.4a9002.4_207826_151111_EN...
- Page 2 Thank you for trusting the Hitecsa Products. Our company has been offering the market an extended range of specialized equipment for air conditioning and cooling installations for over 35 years. Our approach is based on efficiency, flexibility and on practical solutions. This has been the hallmark of our product catalogue. The versatility of our factory allows us to deliver solutions that can meet any requirement and we endeavour solving any problem that may arise in designing and implementing air conditioning installations.
-
Page 3: Table Of Contents
EKWXBA AIR-COOLED WATER CHILLERS AXIAL FANS EKWXBA - BIG KRONO II INDEX INTRODUCTION ........................ 5 Name Plate ........................7 REGULATIONS AND CERTIFICATIONS ................... 8 SAFETY PRECAUTIONS ......................8 TECHNICAL DATA ......................10 RECEPTION ........................12 INSPECTION ........................12 RIGGING ..........................12 STORAGE ........................... - Page 4 EKWXBA AIR-COOLED WATER CHILLERS AXIAL FANS EKWXBA - BIG KRONO II THERMOSTAT AND CONTROL..................23 MCX-15 CONTROL ......................23 Main Functions of the Control System ................23 MCX-15 START UP ......................24 Start Menu ........................24 Main Menu ........................24 Password Level .......................
-
Page 5: Introduction
EKWXBA AIR-COOLED WATER CHILLERS AXIAL FANS INTRODUCTION Purpose of this Manual This manual and any other instructive document attached as refrigeration lines design, electrical diagrams, etc. have been written to allow a correct installation, commissioning and maintenance of the unit. Therefore it is essential to read the instructions with due attention. Verify that all the necessary information for the correct installation of the system is included in the manuals supplied with this unit and/or the rest of the indoor units, accessories, etc. - Page 6 EKWXBA AIR-COOLED WATER CHILLERS AXIAL FANS INTRODUCTION Periodic Inspections and Maintenance Carry out periodic inspections to detect possible damaged or broken pieces. If they are not repaired it could cause damage to people or stuff. Before executing any maintenance operation, cut off the unit power supply.
-
Page 7: Name Plate
EKWXBA AIR-COOLED WATER CHILLERS AXIAL FANS INTRODUCTION Name Plate Description of the name plate attached to the unit. Name of the Unit. Year of manufacture. Unit code. Serial Number. Test Pressure, Refrigerant Side. Cooling Capacity in Rated Conditions (EN-14511) Heating Capacity in Rated Conditions (EN-14511) Water Flow in the Indoor Heat Exchanger. -
Page 8: Regulations And Certifications
EKWXBA AIR-COOLED WATER CHILLERS AXIAL FANS INTRODUCTION REGULATIONS AND CERTIFICATIONS ISO 9001 CERTIFICATION: HIPLUS AIRE ACONDICIONADO S.L., by endeavouring to always gain the maximum satisfaction from their customers, obtained the ISO 9001: Quality System for its production activity. That result shows our continuous determination to improve quality and the reliability of all our products. - Page 9 EKWXBA AIR-COOLED WATER CHILLERS AXIAL FANS INTRODUCTION SAFETY PRECAUTIONS Even after disconnecting the main voltage, life-threatening charges may appear between the protective ground “PE” and the main connection. When the motor runs independently due to air flowing through or if it continues to run down after being turned off, dangerous voltages of over 50 V can arise on the internal connections of the motor through operation of the generator.
-
Page 10: Technical Data
EKWXBA AIR-COOLED WATER CHILLERS AXIAL FANS TECHNICAL DATA MODELS 7002.4 8002.4 9002.4 EKWXBA – HEATING PUMP Cooling capacity 172,79 193,90 206,95 Total absorbed power 62,77 75,63 83,82 2,75 2,56 2,47 Evaporator water flow m³/h 30,8 34,5 36,9 Evaporator pressure drop 63,0 70,8 77,5... - Page 11 EKWXBA AIR-COOLED WATER CHILLERS AXIAL FANS TECHNICAL DATA MODELS - EKWXBA 7002.4 8002.4 9002.4 REFRIGERANT Number of circuits Type R-410A Global warming potential (GWP) 2088 COMPRESSOR Type SCROLL Number of compressors Number of power stages Oil type POE 160 SZ Oil volume 2 x (6,7 + 6,7) 2 x (6,7 + 6,7)
-
Page 12: Reception
EKWXBA AIR-COOLED WATER CHILLERS AXIAL FANS RECEPTION INSPECTION At the time of equipment delivery it is advisable to examine it carefully. Check that the equipment has not been damaged during transport and has been supplied complete with all parts specified in the order and/or with the optionals specified in the order. -
Page 13: Installation
EKWXBA AIR-COOLED WATER CHILLERS AXIAL FANS INSTALLATION DIMENSIONS Model 7002.4 Water inlet Ø 3” Water outlet Ø 3” Electrical panel Main switch Electrical connection input Optional electrical connection input Water inlet with Hydronic Kit Ø 3” IOM_EKWXBA_7002.4a9002.4_207826_151111_EN... -
Page 14: Models 8002.4 │ 9002.4
EKWXBA AIR-COOLED WATER CHILLERS AXIAL FANS INSTALLATION DIMENSIONS Models 8002.4 │ 9002.4 Water inlet Ø 3” Water outlet Ø 3” Electrical panel Main switch Electrical connection input Optional electrical connection input Water inlet with Hydronic Kit Ø 3” IOM_EKWXBA_7002.4a9002.4_207826_151111_EN... -
Page 15: Weight Distribution
EKWXBA AIR-COOLED WATER CHILLERS AXIAL FANS INSTALLATION WEIGHT DISTRIBUTION Model 7002.4 WEIGHT DISTRIBUTION (kg) TOTAL Heat pump 1720 7002.4 Cooling 1686 only Models 8002.4 │ 9002.4 WEIGHT DISTRIBUTION (kg) TOTAL Heat pump 1753 8002.4 Cooling 1719 only Heat pump 1759 9002.4 Cooling 1725... -
Page 16: Installation Location
EKWXBA AIR-COOLED WATER CHILLERS AXIAL FANS INSTALLATION INSTALLATION LOCATION Consult and respect the rules and local regulations which regulate the installation of air conditioning systems. Choose a site without dust and debris. Respect the appropriate service area for the equipment which will be installed. ... -
Page 17: Installation Of Water Pipes
EKWXBA AIR-COOLED WATER CHILLERS AXIAL FANS INSTALLATION INSTALLATION OF WATER PIPES The selection and installation of the components of the installation must be carried out by a qualified installer, respecting the current legislation at the place of work and rules of good practice. The design and calculation of pipes shall be carried out in such a way that the pressure drop of the installation never exceeds that which can overcome the pump built into the unit. -
Page 18: Security Devices
EKWXBA AIR-COOLED WATER CHILLERS AXIAL FANS INSTALLATION INSTALLATION OF WATER PIPES Security devices The installation of the following safety devices is MANDATORY when these elements ARE NOT included as standard features. Not complying with this condition will entail the LOSS OF WARRANTY. Water filter ... -
Page 19: Risk Of Frost
EKWXBA AIR-COOLED WATER CHILLERS AXIAL FANS INSTALLATION INSTALLATION OF WATER PIPES Risk of frost Adding Glycol is a mandatory protection measure for all temperature levels of -2°C below the freezing point. If the unit or the water installation are exposed to temperatures below 5°C it is necessary to take the appropriate measures against the risk of frost (Please refer to the Safety Precautions section). -
Page 20: Installation Of The Flow Switch As An Option
EKWXBA AIR-COOLED WATER CHILLERS AXIAL FANS INSTALLATION INSTALLATION OF WATER PIPES INSTALLATION OF THE FLOW SWITCH AS AN OPTION It is compulsory to mount the flow switch at the water outlet of the unit. The water flow shall be laminar to make sure that the flow switch works properly: Install the flow switch on a straight section of the tube where there is no section change. -
Page 21: Service Area
EKWXBA AIR-COOLED WATER CHILLERS AXIAL FANS INSTALLATION SERVICE AREA Be sure to respect the measures for a proper operation of the unit. Model 7002.4 Models 8002.4 │ 9002.4 IOM_EKWXBA_7002.4a9002.4_207826_151111_EN... -
Page 22: Operation
EKWXBA AIR-COOLED WATER CHILLERS AXIAL FANS OPERATION OPERATION LIMITS OPERATION LIMITS 7002.4 8002.4 9002.4 Minimum Water Flow 30,8 34,5 36,9 Maximum Water Flow 49,5 53,3 55,5 Minimum Volume of Water LWT (°C) Cooling mode 7002.4 │ 5002.4 │ 9002.4 EKWXA - EKWXBA EKWXA - EKWXBA + Glicol + Glycol... -
Page 23: Before Start-Up
EKWXBA AIR-COOLED WATER CHILLERS AXIAL FANS OPERATION BEFORE START-UP Check the following points: Electrical connections are well tightened. Panels are firmly secured with screws. There are no oil or refrigerant leaks. The unit is correctly leveled. ... -
Page 24: Mcx-15 Start Up
EKWXBA AIR-COOLED WATER CHILLERS AXIAL FANS THERMOSTAT AND CONTROL MCX-15 START UP Start Menu Keypad utility (UP) By pressing and holding this key for, at least, 3 seconds the unit will start up if it was shutdown or it shuts down if it is running. -
Page 25: Password Level
EKWXBA AIR-COOLED WATER CHILLERS AXIAL FANS THERMOSTAT AND CONTROL MCX-15 START UP Password Level There are 3 clearance levels for different parameters or system setting options. Level L0: User Access, no password required. Level L1: User-Maintenance Access. Level L2: Manufacturer authorized Access ONLY. DISPLAY “A”... -
Page 26: Model 7002.4
EKWXBA AIR-COOLED WATER CHILLERS AXIAL FANS THERMOSTAT AND CONTROL MCX-15 START UP Model 7002.4 POSITION ANALOG INPUTS DIGITAL INPUTS ANALOG OUTPUTS DIGITAL OUTPUTS Differential pressure Water inlet temperature Fans circuit 1 Compressor 1 circ.1 switch/ Flow switch Water outlet temperature Thermal Compressor 1 Fans circuit 2 Compressor 2 circ.1... -
Page 27: Models 8002.4 │ 9002.4
EKWXBA AIR-COOLED WATER CHILLERS AXIAL FANS THERMOSTAT AND CONTROL MCX-15 START UP Models 8002.4 │ 9002.4 POSITION ANALOG INPUTS DIGITAL INPUTS ANALOG OUTPUTS DIGITAL OUTPUTS Differential pressure Water inlet temperature Fans circuit 1 Compressor 1 circ.1 switch/ Flow switch Water outlet temperature Thermal Compressor 1 Fans circuit 2 Compressor 2 circ.1... -
Page 28: System Parameters
EKWXBA AIR-COOLED WATER CHILLERS AXIAL FANS THERMOSTAT AND CONTROL MCX-15 START UP System Parameters Display Screens Display screen “A”. Select the Reading to be shown in Display screen A when the unit is running. By default, the reading shown on Display screen A when the unit is shut down is “OFF”. -
Page 29: Regulation Parameters
EKWXBA AIR-COOLED WATER CHILLERS AXIAL FANS THERMOSTAT AND CONTROL MCX-15 START UP Regulation Parameters Configuration Temperature Regulation Entry This is used to tell the system whether regulation will be applied to IN or OUT water temperature. AI1: Regulation of INTAKE water. AI2: Regulation of OUTLET water. -
Page 30: Alarms
EKWXBA AIR-COOLED WATER CHILLERS AXIAL FANS THERMOSTAT AND CONTROL MCX-15 START UP Alarms RESET WATER CONDENSER ANTIFREEZE CODE DESCRIPTION COMPRESSOR TYPE PUMP HEATER Evaporator flow switch Manual High temperature Notification Evaporator pump service time limits Notification exceeded Evaporator pump 2 service time Notification limits exceeded Condenser fan service time limits... - Page 31 EKWXBA AIR-COOLED WATER CHILLERS AXIAL FANS THERMOSTAT AND CONTROL MCX-15 START UP Alarms RESET WATER CONDENSER ANTIFREEZE CODE DESCRIPTION COMPRESSOR TYPE PUMP HEATER Thermal Protection Fan Circuit 1 Manual OFF C1 OFF C1 Thermal Protection Fan Circuit 2 Manual OFF C2 OFF C2 General High Pressure Manual...
-
Page 32: Hydronic Kit
EKWXBA AIR-COOLED WATER CHILLERS AXIAL FANS HYDRONIC KIT TECHNICAL DATA KRONO 2 series 7002.4 8002.4 9002.4 HYDRONIC KIT Expansion Vessel Volume Deposit Inertia Volume Available Pressure Machine + H.K. Without Tank 104,2 118,4 129,2 Available Pressure Machine + H.K. With Tank 129,8 141,6 Water Flow... -
Page 33: Operation Limits
EKWXBA AIR-COOLED WATER CHILLERS AXIAL FANS HYDRONIC KIT OPERATION LIMITS OPERATION LIMITS 7002.4 8002.4 9002.4 ΔV/V Coefficient of thermal expansion Water between 7-50°C / 2 bar 0,0125 ΔV/V Coefficient of thermal expansion Water between 7-55°C / 2 bar 0,015 Expansion vessel Maximum water volume (7-50)ºC 1992 Maximum water volume (7-55)ºC... -
Page 34: Maintenance
EKWXBA AIR-COOLED WATER CHILLERS AXIAL FANS MAINTENANCE CONSERVATION AND CLEANING WARNING! Before performing any service or maintenance of the unit, it is mandatory to disconnect and lock the system main switch to prevent anyone other than the technician from connecting the unit and causing personal injury. -
Page 35: Refrigerant Charge
EKWXBA AIR-COOLED WATER CHILLERS AXIAL FANS MAINTENANCE REFRIGERANT CHARGE WARNING! Never use oxygen to pressurize system or purge lines for leak test. Oxygen reacts violently with oil, which can cause an explosion resulting in damage, personal injury or death. In case it is necessary to add or recover refrigerant, use an electronic scale that is suitably reinforced and prepared to withstand the handling of the refrigerant bottle. -
Page 36: Versions
EKWXBA AIR-COOLED WATER CHILLERS AXIAL FANS VERSIONS STANDARD External fan with 6 pole motor and without compressor insulation External fan with 6 pole motor and with compressor insulation Type 1: Basic compressor isolation [2 dB(A) sound level reduction] Type 2: Compressor isolation << Low Noise >> [6 dB(A) sound level reduction] External fan of bionic profile and with compressor isolation "low noise"... -
Page 37: Appendix: Safety Data R410A
EKWXBA AIR-COOLED WATER CHILLERS AXIAL FANS APPENDIX: SAFETY DATA R410A Refrigerant Data Safety Data: R410A Toxicity R410A vapours can irritate the skin and eyes. In liquid form, it can freeze skin on contact. If contact with skin occurs, flush the exposed area with lukewarm water until Contact with Skin all of the chemical is removed. - Page 38 EKWXBA AIR-COOLED WATER CHILLERS AXIAL FANS APPENDIX: SAFETY DATA R410A Refrigerant Data Safety Data: R410A Do not inhale concentrated vapours. Their concentration in the atmosphere should not exceed the minimum preset values and should be maintained below the General Precautions professional threshold.
- Page 39 EKWXBA AIR-COOLED WATER CHILLERS AXIAL FANS We reserve the right to add modifications without prior notice. IOM_EKWXBA_7002.4a9002.4_207826_151111_EN...
Need help?
Do you have a question about the EKWXBA 7002.4 and is the answer not in the manual?
Questions and answers