Daikin EWAQ016BAW Installation And Operation Manual

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Daikin EWAQ016BAW Installation And Operation Manual Manual pdf 46 page image

Installation and operation manual41 EWAQ016~064BAW + EWYQ016~064BAWPackaged air-cooled water chiller4PW70082-1C – 2013.077. MAINTENANCE7.1. Important information regarding the refrigerantusedThis product contains fluorinated greenhouse gases covered by theKyoto Protocol.Refrigerant type: R410AGWP (1) value: 1975(1) GWP = global warming potentialPeriodical inspections for refrigerant leaks may be requireddepending on the applicable legislation. Please contact your localdealer for more information.7.2. Maintenance activitiesIn order to ensure optimal availability of the unit, a number of checksand inspections on the unit and the field wiring have to be carried outat regular intervals, preferably yearly. This maintenance should becarried out by your local Daikin technician (see installation manual).The only maintenance which may be required by the operator is:■ keeping the remote controller clean by means of a soft dampcloth,■ checking if the water pressure indicated on the manometer isabove 1 bar.7.3. Standstill8. TROUBLESHOOTINGThe guidelines below might help to solve your problem. If you cannotsolve the problem, consult your installer.8.1. Error codes9. DISPOSAL REQUIREMENTSDismantling of the unit, treatment of the refrigerant, of oil and of otherparts must be done in accordance with the applicable legislation.Do not try to dismantle the system yourself: the dismantling of thesystem, treatment of the refrigerant, of oil and other parts must bedone by a qualified installer in accordance with the applicablelegislation.Units must be treated at a specialized treatment facility for re-use,recycling and recovery. By ensuring this product is disposed offcorrectly, you will help to prevent potential negative consequences forthe environment and human health. Please contact the installer orlocal authority for more information.CAUTIONIf the supply cord is damaged, it must be replaced by themanufacturer, its agent or similar qualified persons in orderto avoid hazards.NOTICEDuring longer periods of standstill, e.g. during winter with acooling only application and option heater tape installed(refer to "3.1. Check that you have all optional equipment"on page 3) DO NOT switch off the power supply to the unit.Otherwise power supply to the heater tape is cut off andthe piping will freeze.See "4.5.5. Protecting the water circuit against freezing"on page 11 if you want to cut off power supply duringwinter stand still.POSSIBLE CAUSES CORRECTIVE ACTIONSNo readings on the remote controller(blank display)• Check if the mains power is stillconnected to your installation.• The benefit kWh rate powersupply is active (see installationmanual).One of the error codes appears Consult your local dealer.Refer to the installation manual for adetailed list of error codes.The schedule timer does work butthe programmed actions areexecuted at the wrong time.(e.g. 1 hour too late or too early)Check if the clock and the day of theweek are set correctly, correct ifnecessary.The schedule timer is programmedbut does not work.In case the icon is not displayed,push the button to enable theschedule timer.Capacity shortage Consult your local dealer.Temperature values displayed on theremote controller (remote controller)are displayed in °F instead of °C.To change the display back to °C,push and buttonssimultaneously for 5 seconds.Execute same procedure to changeback to the °F display. The defaulttemperature display is in °C.Error code Failure cause Corrective actionA1 Failure of writing memory(EEPROM error)Contact your local dealer.A6 Malfunction water circuit • Make sure waterflow ispossible (open all valves inthe circuit).• Force clean water throughthe unit.A9 R410A expansion valve error(K11E/K21E) • Check wiring connections.• Contact your local dealer.AE Water system warning • Check filter.• Make sure all valves areopen.• Contact your local dealer.AJ Capacity error Contact your local dealer.C1 Bad ACS communication Contact your local dealer.C4 R410A liquid thermistor error(R13T/R23T)• Check wiring connections.• Contact your local dealer.C9 Returning water thermistorerror (R12T/R22T) • Check wiring connections.• Contact your local dealer.CA Heating leaving waterthermistor error (R11T/R12T) • Check wiring connections.• Contact your local dealer.CJ Remote controller thermostatthermistor error Contact your local dealer.E3 High pressure error(SENPH/S1PH) • Make sure the circuit isfilled with water (no airinside, e.g. is the air purgeopen?)• Make sure water flow ispossible (open all valves inthe circuit).• Make sure the water filter isnot blocked.• Make sure all refrigerantstop valves are open.• Contact your local dealer.E4 Low pressure error (SENPL) Contact your local dealer.J7 R410A suction thermistorerror (R14T/R24T) • Check wiring connections.• Contact your local dealer.U1 The phases of the power tothe unit is reversed. Exchange two of the threephases (L1, L2, L3) to make apositive phase connection.U2 Power supply error • Check wiring connections.• Contact your local dealer.UA Type connection problem • Wait till initialisationbetween outdoor moduleand hydro module finished(after power ON, wait atleast 12 minutes).• Contact your local dealer.UH Address error Contact your local dealer.

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