Daikin EWAQ-ACV3 Installation Manual Download Page 1

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Installation

manual

Packaged air-cooled

water chillers and

packaged reversible air

to water heatpumps

EWAQ-ACV3 (009, 010, 011)
EWYQ-ACV3 (009, 010, 011)

EWAQ-ACW1 (009, 011, 013)
EWYQ-ACW1 (009, 011, 013)

Refrigerant: R410A

Code

4PW51587-1A

Date

Summary of Contents for EWAQ-ACV3

Page 1: ...anual Packaged air cooled water chillers and packaged reversible air to water heatpumps EWAQ ACV3 009 010 011 EWYQ ACV3 009 010 011 EWAQ ACW1 009 011 013 EWYQ ACW1 009 011 013 Refrigerant R410A Code 4PW51587 1A Date ...

Page 2: ...W1 V3 2 1 A A B2 B2 B2 C C D1 D1 D1 D2 D2 D2 D2 D2 E E H H L1 L1 L1 L2 L2 L2 A A B1 B1 B1 B1 B1 B1 B2 B2 B2 C C D1 D1 D1 D2 D2 D2 D2 D2 E E H H L1 L1 L1 L2 L2 L2 1 1 2 DC AC DC AC 1 2 ...

Page 3: ...a dodržení ustanovení předpisu 15 prema odredbama 16 követi a z 17 zgodnie z postanowieniami Dyrektyw 18 în urma prevederilor 19 ob upoštevanju določb 20 vastavalt nõuetele 21 следвайки клаузите на 22 laikantis nuostatų pateikiamų 23 ievērojot prasības kas noteiktas 24 održiavajúc ustanovenia 25 bunun koşullarına uygun olarak 01 Note as set out in A and judged positively by B according to the Cert...

Page 4: ...is designed for outdoor installation and used for both heating and cooling applications The unit is designed to be combined with fan coil units or air handling units for air conditioning purposes Heat pump and cooling only versions This chiller range consists of 2 main versions a heat pump EWYQ version and a cooling only EWAQ version available in 6 standard sizes V3 9 10 and 11 kW single phase W1 ...

Page 5: ...the local laws and regulations and this installation manual using a separate circuit Insufficient capacity of the power supply circuit or improper electrical construction may lead to electric shocks or fire Make sure that all wiring is secure using the specified wires and ensuring that external forces do not act on the terminal connections or wires Incomplete connection or fixing may cause a fire ...

Page 6: ...that in factories In vehicles or vessels Where acidic or alkaline vapour is present BEFORE INSTALLATION Installation Be sure to confirm the model name and the serial no of the outer front plates when attaching detaching the plates to avoid mistakes When closing the service panels take care that the tightening torque does not exceed 4 1 N m In case ambient temperatures below 0 C are expected counte...

Page 7: ...tall the unit on a frame please install a waterproof plate within 150 mm of the underside of the unit in order to prevent the invasion of water from the lower direction 6 When installing the unit in a place frequently exposed to snow pay special attention to elevate the foundation as high as possible 7 If you install the unit on a building frame please install a waterproof plate field supply withi...

Page 8: ...for laying the upper unit s drain pipe Get the portion A sealed so that air from the outlet does not bypass C In case of multiple row installation for roof top use etc 1 In case of installing one unit per row 2 In case of installing multiple units 2 units or more in lateral connection per row Relation of dimensions of H A and L are shown in the table below A Location of the 2 fixation holes on the...

Page 9: ...mer will select cooling or heating on the room thermostat T This selection is not possible by operating the user interface When cooling heating is requested by the room thermostat T the pump will start operating and the unit will switch to cooling mode heating mode The unit will start operating to achieve the target leaving cold hot water temperature The ON OFF setting of the heating cooling opera...

Page 10: ... The water filter must be cleaned on a regular base See Maintenance on page 22 12 Manometer The manometer allows readout of the water pressure in the water circuit 13 Flow switch The flow switch checks the flow in the water circuit and protects the heat exchanger against freezing and the pump against damage 14 Pump The pump circulates the water in the water circuit 15 Pressure relief valve The pre...

Page 11: ...ion to a water circuit This circuit must be provided by a licensed technician and must comply with all relevant European and national regulations Before continuing the installation of the unit check the following points The maximum water pressure is 3 bar Drain taps must be provided at all low points of the system to permit complete drainage of the circuit during maintenance A drain valve is provi...

Page 12: ... l is higher than 280 l the pre pressure must be decreased see table above The required pre pressure is Pg H 10 0 3 bar 0 10 0 3 bar 0 3 bar The corresponding maximum water volume can be read from the graph approximately 410 l Since the total water volume 350 l is below the maximum water volume 410 l the expansion vessel suffices for the installation Setting the pre pressure of the expansion vesse...

Page 13: ... than 30 C and the humidity is higher than RH 80 then the thickness of the sealing materials should be at least 20 mm in order to avoid condensation on the surface of the sealing Be careful not to deform the unit piping by using excessive force when connecting the piping Deformation of the piping can cause the unit to malfunction The unit is only to be used in a closed water system Application in ...

Page 14: ...n switch C1 C4 Capacitor DS1 DIP switch E1HC Crankcase heater F1U F3U F4U Fuse 6 3 A T 250 V F6U Fuse 5 0 A T 250 V H1P H7P Orange LED service monitor A2P H2P prepare test flickering H2P malfunction detection light up HAP A1P Green LED service monitor K1R Magnetic relay Y1S K4R Magnetic relay E1HC K10R K11R Magnetic relay L1R Reactor M1C Motor compressor M1F Motor upper fan M2F Motor lower fan PS ...

Page 15: ...id valve 4 way valve Y3S Solenoid valve Z1C Z9C Noise filter ferrite core Z1F Z4F Noise filter Door 2 electrical parts of the hydraulic compartment A11P Main PCB A12P User interface PCB A4P Remote alarm PCB EKRP1HB E6H Expansion vessel heater E7H Water piping heater E8H Heatertape field supply max 200 W FU1 Fuse 3 15 A T 250 V for PCB FU2 Fuse 5 A T 250 V FuR FuS Fuse 5 A 250 V for remote alarm PC...

Page 16: ...ase The wiring diagram can be found on the inside of the front plate of the unit Connection of the thermostat cable Connection of the thermostat cable depends on the application See also Typical application examples on page 6 Thermostat requirements Contact voltage 230 V Procedure 1 Connect the thermostat cable to the appropriate terminals as shown on the wiring diagram 2 Fix the cable with cable ...

Page 17: ...at the equipment only consumes a limited amount of electricity during certain periods of time The unit is designed to receive an input signal by which the unit switches into forced off mode At that moment the unit compressor will not operate Thermostat Configuration Pump operation o o o o p p p pr r r r No thermostat wiring on when unit is on UI UI UI Thermostat with heating cooling switch wiring ...

Page 18: ...asten the digital controller on a flat surface 1 Benefit kWh rate power supply box 2 Receiver controlling the signal of the electricity company 3 Power supply to unit 4 Voltage free contact 0 Allowed for all models X Not allowed for OP10 models allowed for other models 1 When the signal is released again the voltage free contact will close and the unit will restart operation It is therefore import...

Page 19: ...ording to the wiring diagrams and according to European and national regulations 2 Fuses or protection devices Check that the fuses or the locally installed protection devices are of the size and type specified in the chapter Technical specifications on page 25 Make sure that neither a fuse nor a protection device has been bypassed 3 Earth wiring Make sure that the earth wires have been connected ...

Page 20: ...controller check for voltage imbalance If the error code L4 is displayed on the remote controller it is possible that air inlet or air outlet are blocked The reversed phase protection detector of this product only works during the initialisation stage after a power reset The reversed phase protection detector is designed to stop the product in case of an abnormality when the product is started up ...

Page 21: ...t field setting 5 Save the new value by pressing the pr button 6 Repeat step 2 through 4 to change other field settings as required 7 When finished press the z button to exit FIELD SET MODE Detailed description 0 User permission level If required certain user interface buttons can be made unavailable for the user Three permission levels are defined see the table below Switching between level 1 and...

Page 22: ...d 9 00 Heating set point upper limit maximum leaving water temperature for heating operation 9 01 Heating set point lower limit minimum leaving water temperature for heating operation 9 02 Cooling set point upper limit maximum leaving water temperature for cooling operation 9 03 Cooling set point lower limit minimum leaving water temperature for cooling operation 9 04 Overshoot setting defines how...

Page 23: ...y company that contact will close and the unit will go in forced off mode 2 E Unit information readout E 00 Readout of the software version example 23 E 01 Readout of the EEPROM version example 23 E 02 Readout of the unit model identification example 11 E 03 Readout of the liquid refrigerant temperature E 04 Readout of the inlet water temperature D 00 Compressor 0 default Forced off 1 Forced off 2...

Page 24: ...ailable 6 Not available 7 Not available 8 Not available 9 Cooling and heating set point ranges 00 Heating set point upper limit 55 37 55 1 C 01 Heating set point lower limit 15 15 37 1 C 02 Cooling set point upper limit 22 18 22 1 C 03 Cooling set point lower limit 5 5 18 1 C 04 Overshoot setting 2 1 4 1 C A Quiet mode 00 Quiet mode type 0 0 2 01 Parameter 01 3 C Alarm output logic of EKRP1HB 00 N...

Page 25: ... 3 Water pressure relief valve Check for correct operation of the pressure relief valve by turning the red knob on the valve counter clockwise If you do not hear a clacking sound contact your local dealer In case the water keeps running out of the unit close both the water inlet and outlet shut off valves first and then contact your local dealer 4 Pressure relief valve hose Check that the pressure...

Page 26: ... low Check that all shut off valves of the water circuit are completely open Check if the water filter needs cleaning Make sure there is no air in the system purge air Check on the manometer that there is sufficient water pressure The water pressure must be 0 3 bar water is cold 0 3 bar water is hot Check that the pump speed setting is on the highest speed Make sure that the expansion vessel is no...

Page 27: ...rmistor is giving the correct read out A1 Hydraulic PCB defective Contact your local dealer A5 Too low during cooling operation or too high during heating operation refrigerant temperature measured by R13T Contact your local dealer C0 Flow switch failure flow switch remains closed while pump is stopped Check that the flow switch is not clogged with dirt C4 Heat exchanger thermistor failure heat ex...

Page 28: ... nipple refrigerant liquid side Ø9 5 mm 3 8 inch Ø9 5 mm 3 8 inch refrigerant gas side Ø15 9 mm 5 8 inch Ø15 9 mm 5 8 inch Expansion vessel volume 10 l 10 l maximum working pressure MWP 3 bar 3 bar Pump type water cooled water cooled no of speed 2 2 Sound pressure level b heating 51 dBA 51 dBA 51 dBA 51 dBA 51 dBA 52 dBA cooling 51 dBA 51 dBA 51 dBA 51 dBA 51 dBA 51 dBA 51 dBA 51 dBA 52 dBA 51 dBA...

Page 29: ...NOTES NOTES ...

Page 30: ...acy reliability or fitness for particular purpose of its content and the products and services presented therein Specifications are subject to change without prior notice Daikin Europe N V explicitly rejects any liability for any direct or indirect damage in the broadest sense arising from or related to the use and or interpretation of this publication All content is copyrighted by Daikin Europe N...

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