Related Manuals for Daikin EWWD440AAYNNO series
Summary of Contents for Daikin EWWD440AAYNNO series
- Page 1 INSTALLATION AND OPERATION MANUAL Packaged water-cooled water chillers EWWD440AAYNNO ** EWWD600AAYNNO ** EWWD850AAYNNO **...
- Page 2 3PW24367-7C...
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Page 3: Table Of Contents
Installation and EWWD440AAYNNO** Packaged water-cooled water chillers EWWD600AAYNNO** operation manual EWWD850AAYNNO** Thank you for purchasing this Daikin air conditioner. ONTENTS Page Safety considerations ................ 1 READ THIS MANUAL ATTENTIVELY BEFORE STARTING Precautions during installation ..............1 UP THE UNIT. DO NOT THROW IT AWAY. KEEP IT IN Precautions when using................ -
Page 4: Precautions When Using
Precautions when using Use the prescribed cable for wiring, and make sure that connections are secure. Be sure to securely fasten cables to their terminals so WARNING that external force on cables has no effect on terminal connections. Incomplete connection or fixing can lead to heat If a malfunction occurs (burning smell, etc.), turn off the generation or fire. -
Page 5: Precautions When Relocating Or Repairing The Unit
Lifting the unit Do not allow water to remain in the water piping during prolonged idle periods. For prolonged idle periods you should fill the water pipes with antifreeze or drain all the water from the pipes. Failure to do so could result in leaking. 2 (1) 2 (1) 2 (3) -
Page 6: Pulling The Unit Horizontally
Pulling the unit horizontally Take care not to bend the unit base of the chiller. There are copper pipes at the bottom of the unit. Take care to avoid scrubbing the bottom of the unit. Movement at the slope or uneven surfaces require special attention. -
Page 7: Function Of The Main Components
Function of the main components S.HP 14 14 S.LP Figure - Functional diagram Compressor Stop valve Service valve Service valve Male connector Suction stop valve Stop valve Stop valve Solenoid valve Filter/drier Filter Low pressure transmitter High pressure switch High pressure transmitter Male connector Male connector Solenoid valve... -
Page 8: Installation
As the refrigerant circulates through the unit, changes in its state or An atmosphere with flammable gas is not allowed. condition occur. These changes are caused by the following main Because this product is not explosion-proof, do not install this components: product at places in atmospheres with flammable gas or places with risk of leakage of flammable gas. -
Page 9: Sound Insulation And Vibration Isolation Work
Provide for sufficient service space. Perform the vibration isolation in function of the installation site. This machine comes with vibration isolation pads and metal anti vibration supports as a standard. Position of vibration isolation pads and metal anti vibration supports as on the foundation drawing results in a sufficient degree of vibration isolation. -
Page 10: Water Quality Specifications
Water quality specifications The quality of chilled (hot) water largely affects the performance and life time of this unit. It is therefore very important to check the water quality before using it, and to keep monitoring the quality of water after installing the unit. - Page 11 Prevent from getting mixed air into the system Avoid execution of piping in such a way that a draft line is formed inside the condenser or evaporator while the unit is Install the air purge valves at proper positions so that the air operating or stops.
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Page 12: Power Supply Work
Power supply work H6P....* ..Indication lamp: condenser water pump run/stop H7P....* ..Indication lamp: chiller water pump run/stop HF1-2..... Fuse for primary of TR1 All field wiring and components must be installed by a HF3.1, 3.2....Fuse for reverse phase protector licensed electrician and must comply with relevant European and national regulations. -
Page 13: Power Circuit And Cable Requirements
Power circuit and cable requirements The electrical power supply to the unit should be arranged so that it can be switched on or off independently of the electrical supply to other items of the plant and equipment in general. A power circuit must be provided for connection of the unit. This circuit must be protected with the required safety devices, i.e. -
Page 14: Operating The Graphic Panel Display
PERATING THE GRAPHIC PANEL DISPLAY This chapter explains the graphic panel display and how to change various settings. Screen structure Operation Menu screen screen Backlight goes out (if no operation is performed during 30 minutes.) Backlight desactivation + From all automatic display Measurement Measurement... -
Page 15: Explanation Common To Respective Screens
Explanation common to respective screens CAUTION Buttons and indications that appear at the top/bottom of the Do not touch the graphic panel display with strong screen force or hard objects. It may result in injuries due to cracking of the display. Menu screen Respective screens of this graphic panel display have buttons that allow the screen to shift to respective screens directly. - Page 16 Operation screen Measurement screen With this screen you can select remote operation/local operation for This screen indicates various operation data of the unit. running and stopping the unit. In case of models with 2 temperature Indications appear, whether the unit is running or has stopped. setting option, selection of the operation mode during on the unit operation, is also available.
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Page 17: How To Change Settings Of "Date" And "Time
Touch the "ENT" button to finally confirm that the correct value NOTE Touching any of the items will display a brief has been input. explanation on the item. Touch the "CHANGE" button to enter your modifications into memory. “SETTING” screen (1/2) for models with 2-temperature setting Touch the "BACK"... - Page 18 Alarm history (“FAULTS”) Error resetting method If the unit suffers abnormal stops, the alarm history pops up. Both unit errors and compressor only errors are stored in the This chapter explains about how to reset errors in case the unit was history.
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Page 19: Before Test Run
WARNING CAUTION Do not dismantle or modify the touch panel. Provide proper grounding for the unit. Electric shock or fire may result. Do not connect the earth wire to gas piping, water piping, lightning rod, earth wire of telephones, etc. Do not replace the built-in lithium battery by yourself. -
Page 20: Checking The Water System
Checking the water system Checking the unit body Pump is filled with water Open all shut-off valves indicated by a red label: “OPEN THIS Fill the water piping, taking into account the minimum water VALVE BEFORE OPERATION”. volume required by the unit. Refer to "Table 2: Minimum water All stopvalves, except those for charging of refrigerant or volume"... -
Page 21: Instructions Before Operation
Perform inching of the compressor by starting the unit and stopping the unit after 2 to 3 seconds of operation Task to check: Direction of rotation of the compressor This is a setting on number of compressors in operation during full load operation. Normally select "2UNITS". -
Page 22: Remote Operation "Remote
Input the run/stop signal remotely. Stop Normal voltage free contact (standard) Instantaneous contact specification (Optional) Push the start button (green) If “REMOTE” is selected on the touch panel control screen, this button is disabled. Push the stop button (red) CAUTION This button always takes effect irrespective of the “LOCAL”... -
Page 23: Consulting Operational Data
UNCTIONS OF THIS MODEL Lamp name Color Lighting condition Remarks Power ON/OFF White When the unit is powered-up Error In case of error Automatic water temperature control When the unit accepts the Chiller ON Green This unit has a function that performs automatic control by bringing operation request the chilled water to the target temperature. -
Page 24: On-Off Limiting Function
Set the thermo OFF temperature and differential temperature NOTE This is the screen of models with the 2- on the graphic panel display. temperature setting option. For standard models, [“MENU” “SETTING” “SETTING (1/2)”] the target temperature is represented by one line only. -
Page 25: Current Limiting Function
Namely, Figure: Current limiting function/Current demand function If the operating time of the compressor immediately before stop is 420 seconds or more: ON-OFF limiting time is 180 seconds. If the operating time of the compressor immediately before stop is less than 420 seconds: ON-OFF limiting time becomes [600– operating time of the compressor immediately before stop] seconds. -
Page 26: Units Control Thermo
Demand setting screen ["MENU" "SETTING" "SETTING (2/2)"] When “UNITS TO CONTROL” is set to "1UNIT", this control does not work. The default setting is "2UNITS". NOTE Change of this setting is not available while the unit is operating. At the first start after power-up, the compressor set in the leftmost field starts first. -
Page 27: Operation Between Power Failure And Power Recovery
Table 4: Time from power failure to power recovery Compressor condition from power failure to power recovery Does not perform continuous Does not operation Stops stop ON-OFF limiting of the compressor (At power recovery) During on the unit ON-OFF — When cooling mode is selected, the setpoint in “SET TEMP. -
Page 28: Unit Start Flow
Unit start flow When “REMOTE” is selected in the graphic panel display “OPERATION” screen, the remote signal affects the unit to start. When “LOCAL” is selected, it is the <Chiller ON> button on the switch box door that makes the unit start. Operation request Unit water pump operation command ON... - Page 29 “UNITS TO CONTROL” is set to “1UNIT” NOTE If the compressor load is not 0% at starting, the close command is output to the capacity control motor for 160 seconds maximum. If it is not 0% after 160 seconds, the potentiometer of the target compressor (1 or 2) confirms a full-shut error (compressor individual error).
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Page 30: Unit Stop Flow
Unit stop flow (exclusive of low load stop) Stop request Normal stop request To low load stop Abnormal stop Cooling water/hot water pump operation command: OFF Residual set time (360 seconds) elapsed Chilled water pump operation command: Stop due to normal stop request To start processing flow by To start processing flow by re-input of operation request after... -
Page 31: I/O Timing Of Various Contacts
I/O timing of various contacts NOTE When Run/Stop of the unit is performed remotely Start of the unit under instantaneous contact specification, set the pulse signal width to the unit as 200 msec or more. The unit may not recognize the narrow signal width. -
Page 32: Maintenance And Inspection
Residual operation for 6 minutes Compressor with individual Chiller is OFF and does not perform residual operation error Input of the error reset command results in operation based on the starting flow and starting time chart. When the remote ON-OFF circuit is established by use NOTE of normal open contacts, make sure that the ON-OFF signal is turned OFF forcedly in response to contact... -
Page 33: Before Inspecting
Refrigerant and lubrication oil Do not use fuses other than ones of proper capacity. Using wires, in stead of fuses could result in equipment Refrigerant and lubrication oil to be used for this unit are as damage or fire. follows: Check the open-closed state of all valves before usage. -
Page 34: Daily Inspection
Daily inspection For continuing normal operation of the unit, perform inspections listed below periodically and keep record of the inspections. Following criteria indicate the value within normal operating range of this unit. It does not necessarily mean that the unit is operating abnormally in case that measured values deviate from the reference values. -
Page 35: Troubleshooting
Symptom 3: Pump starts but compressor does not start ROUBLESHOOTING OSSIBILE CAUSES ORRECTIVE ACTION This section provides useful information for diagnosing and Defective interlock signal Arrange in a manner that the correcting certain troubles which may occur in the unit. interlock signal is returned to the unit within 180 seconds after input of Following cases do not represent an abnormality... -
Page 36: Safety Devices
Safety devices Symptom 8: Despite chilled water temperature is high, unit does not perform full load operation As the unit comes with safety devices, safe operation is guaranteed. OSSIBILE CAUSES ORRECTIVE ACTION If the safety device is activated, the error pilot lamp lights up when the Immediately after starting the unit Unit operates reading the target unit stopped operation (hereafter described as "Abnormal stop"),... -
Page 37: Operating Range
6. Differential pressure error 4. Potentiometer 1 or 2 sensor error OSSIBILE CAUSES ETAILS OF ACTIVATION OSSIBILE CAUSES ETAILS OF ACTIVATION • Low condenser water temperature Differential pressure required for • Disorder of sensor alone Disconnection or short circuit of •... -
Page 38: Minimum Holding Water Quantity Within The System
Minimum holding water quantity within the system OTES For preventing frequent running and stopping of the unit, the chilled water system shall have at least the capacity of the minimum holding water capacity. For further information, see Table 2: Minimum water volume on page Standards for use Use this product complying with following items. - Page 39 ..................................................................Phone Phone : ..................: ....................QUIPMENT TECHNICAL DATA Manufacturer : DAIKIN EUROPE ....Power supply (V/Ph/Hz/A) : ......... Model : ..........Maximum high pressure : .......17 bar Serial Number : ..........Charging weight (kg) R-134a : .........
- Page 40 Zandvoordestraat 300, B-8400 Oostende, Belgium 4PW25558-1B...