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Summary of Contents for Hitecsa EKWXA
- Page 1 EKWXA EKWXBA Cooling only With Heat pump AIR COOLED WATER CHILLERS – AXIAL FANS Sólo frío Bomba de calor Modelos 801.1 │1001.1 │1201.1 │1501.1 Cooling Capacities: 26,0kW a 40,0kW Pot. Caloríficas: 28,1kW a 43,1kW 04.14 000000 Rev. 000 11.15 207443 Rev102...
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Page 2: Table Of Contents
EKWXA/EKWXBA AIR COOLED WATER CHILLERS – AXIAL FANS TABLE OF CONTENTS INTRODUCTION ............................. 3 GENERAL DESCRIPTION ..........................3 SAFETY PRECAUTIONS ........................... 5 GENERAL CHARACTERISTICS ........................6 COMPONENT DESCRIPTIONS ........................6 VERSIONS ..............................9 ACCESSORIES / OPTIONALS ........................9 ELECTRICAL DATA ........................... 10 APPLICATION LIMITS .......................... -
Page 3: Introduction
EKWXA/EKWXBA AIR COOLED WATER CHILLERS – AXIAL FANS INTRODUCTION GENERAL DESCRIPTION ► Manual purpose This manual and the 88610 and 88611 documents have been created to guide in the correct installation, start-up and maintenance of the unit. For this reason is essential to read the instructions paying due attention. - Page 4 EKWXA/EKWXBA AIR COOLED WATER CHILLERS – AXIAL FANS ► Principles of security on installation The unit is designed and built so that a risk to health and security for people are not supposed. Suitable project solutions have been adopted to delete possible causes of risk in the system.
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Page 5: Safety Precautions
EKWXA/EKWXBA AIR COOLED WATER CHILLERS – AXIAL FANS SAFETY PRECAUTIONS • Installation and maintenance of air conditioning equipment can be dangerous because the liquid circulating through the system is pressurized, some elements work at high temperatures and includes electrical components. -
Page 6: General Characteristics
EKWXA/EKWXBA AIR COOLED WATER CHILLERS – AXIAL FANS GENERAL CHARACTERISTICS EKWXBA compact units are reversible air cooled water / heat water production and designed for its installation outdoor. It is provided with R-410A refrigerant charge already for its installation. These units are manufactured under strict quality control throughout the whole process and when they are finished they are tested in the factory, checking the correct working of all their components. - Page 7 EKWXA/EKWXBA AIR COOLED WATER CHILLERS – AXIAL FANS MCX Control System (OPTIONAL UPGRADE) - Controller is composed of user interface and electronic board. - Power supply : 20/30 Vdc – 24 Vac. - Panel mounting type. - Screen with display that allows the inputs and outputs to be visualized.
- Page 8 EKWXA/EKWXBA AIR COOLED WATER CHILLERS – AXIAL FANS 6. Expansion devices The unit is equipped with thermostatic expansion valves with MOP on in the inlet of plate heat exchanger for functioning in refrigeration mode. The expansion in the outdoor coil, when necessary (functioning in heating mode), is done through orifice (nozzle).
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Page 9: Versions
EKWXA/EKWXBA AIR COOLED WATER CHILLERS – AXIAL FANS VERSIONS STANDARD Outdoor fans of motors of 6 poles and without compressor isolation Outdoor fans with 6 poles and with compressor isolation Type 1: Basic Compressor Isolation [Sound level reduction 2 dB (A)] Type 2: “Low Noise”... -
Page 10: Electrical Data
EKWXA/EKWXBA AIR COOLED WATER CHILLERS – AXIAL FANS ELECTRICAL DATA WARNING! Before starting any type of operation switch off main power switch. • The electrical power supply to the unit must be within the 10% of the voltage indicated on the nameplate. -
Page 11: Application Limits
EKWXA/EKWXBA AIR COOLED WATER CHILLERS – AXIAL FANS APPLICATION LIMITS TEMPERATURE COOLING CYCLE MÍN. MÁX. Outgoing chilled water 5ºC* 16ºC Outdoor air dry bulb 46ºC 19ºC** HEATING CYCLE MÍN. MÁX. Outgoing hot water 35ºC 55ºC Outdoor air water bulb -10ºC 18ºC***... -
Page 12: Unit Reception
EKWXA/EKWXBA AIR COOLED WATER CHILLERS – AXIAL FANS UNIT RECEPTION INSPECTION UPON ARRIVAL • It is advisable to examine carefully the unit upon receipt. • Inspect equipment received for damage or missing element. If units are damaged or shipment is incomplete, immediately file the claim with the transport company. -
Page 13: Installation Location
EKWXA/EKWXBA AIR COOLED WATER CHILLERS – AXIAL FANS INSTALLATION LOCATION • Check if construction is able to support unit weight. • Check that the service area is the one indicated for this unit. • Choose a place free of dust and waste. -
Page 14: Weight Distribution (Kg)
EKWXA/EKWXBA AIR COOLED WATER CHILLERS – AXIAL FANS WEIGHT DISTRIBUTION (kg) POMPE À TOTAL CHALEUR 801.1 1001.1 1201.1 1501.1 11.15 207443 Rev104... -
Page 15: Refrigerant Charge
EKWXA/EKWXBA AIR COOLED WATER CHILLERS – AXIAL FANS REFRIGERANT CHARGE ATTENTION! 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. -
Page 16: Start Up
EKWXA/EKWXBA AIR COOLED WATER CHILLERS – AXIAL FANS BEFORE START – UP • Check if all wires are well tightened • Check if all panels are firmly secured with screws • Verify if there is no refrigerant or oil leakage •... -
Page 17: Mcx Control (Optional Upgrade)
EKWXA/EKWXBA AIR COOLED WATER CHILLERS – AXIAL FANS MCX CONTROL (OPTIONAL UPGRADE) ► 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 18: Maintenance
EKWXA/EKWXBA AIR COOLED WATER CHILLERS – AXIAL FANS ►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 19 EKWXA/EKWXBA AIR COOLED WATER CHILLERS – AXIAL FANS ►INPUTS / OUTPUTS POSITION ANALOG INPUTS DIGITAL INPUTS ANALOG OUTPUTS DIGITAL OUTPUTS Intake water Differential pressostat / Flow Compressor 1 temperature. switch. Compressor 2. (for Outlet water Thermal protection units with 2 temperature.
- Page 20 EKWXA/EKWXBA AIR COOLED WATER CHILLERS – AXIAL FANS ►SYSTEM PARAMETERS ►REGULATION PARAMETERS Display screen Configuration Display screen “A”. Temperature Regulation Entry Select the Reading to be shown in Display This is used to tell the system whether regulation screen A when the unit is running. By default, will be applied to IN or OUT water temperature.
- Page 21 EKWXA/EKWXBA AIR COOLED WATER CHILLERS – AXIAL FANS ►ALARMS WATER ANTI-FREEZE CODE DESCRIPTION TYPE OF REBOOT COMPRESSOR EXTERNAL FAN PUMP HEATER Evaporator flow switch Manual High temperature Notification Evaporator pump service time limits Notification exceeded Condenser fan service time limits...
- Page 22 EKWXA/EKWXBA AIR COOLED WATER CHILLERS – AXIAL FANS MAINTENANCE ATTENTION! Before performing service or maintenance system’s operations turn off main power switch to avoid personal injury and put lock on power switch to avoid that any person not connected with maintenance technical can switch on electrical supply.
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Page 23: Appendix: Safety Chart R410A
EKWXA/EKWXBA AIR COOLED WATER CHILLERS – AXIAL FANS APPENDIX: SAFETY CHART R410A Causes Safety data: R410A Toxicity Contact with skin R410A vapors 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 all of the chemical is removed. - Page 24 ACONDICIONADO S.L. Masia Torrents, 2 Tel. +34 93 893 49 12 Fax. +34 93 893 96 15 08800 Vilanova i la Geltrú Barcelona, Spain www.hitecsa.com In the interest of continuous improvement, technical data of our products may change without prior notice.
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