Daikin EWAQ016BAW Installation And Operation Manual

Packaged air-cooled water chiller
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INSTALLATION AND
OPERATION MANUAL
Packaged air-cooled water chiller
EWAQ016BAW
EWAQ021BAW
EWAQ025BAW
EWAQ032BAW
EWAQ040BAW
EWAQ050BAW
EWAQ064BAW
EWYQ016BAW
EWYQ021BAW
EWYQ025BAW
EWYQ032BAW
EWYQ040BAW
EWYQ050BAW
EWYQ064BAW

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Summary of Contents for Daikin EWAQ016BAW

  • Page 1 INSTALLATION AND OPERATION MANUAL Packaged air-cooled water chiller EWAQ016BAW EWAQ021BAW EWAQ025BAW EWAQ032BAW EWAQ040BAW EWAQ050BAW EWAQ064BAW EWYQ016BAW EWYQ021BAW EWYQ025BAW EWYQ032BAW EWYQ040BAW EWYQ050BAW EWYQ064BAW...
  • Page 2 a ≥300 mm a ≥500 mm b ≥100 mm b ≥500 mm c ≥500 mm c ≥500 mm d ≥500 mm d ≥500 mm ≥100 ≥100 EWAQ EWYQ (mm) (mm) (mm) 016~025 1684 1340 1684 1650 040+050 1684 2320 1684 2940 ≥100 ≥100...
  • Page 3 EWA/YQ016~025BAWP EWA/YQ016~025BAWH EWA/YQ032BAWP EWA/YQ032BAWH EWA/YQ040+050BAWP EWA/YQ040+050BAWH EWA/YQ064BAWP EWA/YQ064BAWH l/min l/min Water flow Water flow EWA/YQ016~025BAWN EWA/YQ032BAWN EWA/YQ040+050BAWN EWA/YQ064BAWN l/min Water flow (°C DB) (°C DB) OPZL OPZL Glycol Glycol (°C) (°C) 5 (EWC) 20 25...
  • Page 4 3PW70086-1B...
  • Page 5 3PW70086-1B...
  • Page 6: Table Of Contents

    Installation and EWAQ016~064BAW Packaged air-cooled water chiller EWYQ016~064BAW operation manual Operation manual ................25 ONTENTS Page 1. Definitions ................25 Installation manual................2 1.1. Meaning of warnings and symbols..........25 1. Introduction................2 1.2. Meaning of used terms ..............25 2.
  • Page 7: Installation Manual

    Warnings in this manual are classified according to their severity and (for this application the units can be combined with Daikin fan coil probability of occurrence. units or air handling units) but also for the cooling and heating of industrial processes.
  • Page 8: Precautions For Installation

    Equipment which needs to be installed according to instructions in this manual, but which are not supplied by Daikin. Water piping heater tape (—H—) The water piping heater tape warms up to prevent freezing of water inside the unit during winter while the unit is at stand still.
  • Page 9: General Precautions On Installation Location

    3.2.1. General precautions on installation location 3.2.3. Selecting a location in cold climates Select an installation site that meets the following requirements: INFORMATION The foundation must be strong enough to support the weight of When operating the unit in a low outdoor ambient the unit.
  • Page 10: Prepare The Electrical Wiring Work

    3.6. Prepare the electrical wiring work Take care that the components installed in the field piping can withstand the water pressure (maximum 3 bar + static pressure of the pump). WARNING: Electrical installation For units with a standard pump installed (EWA/YQ*BAWP), refer to figure 15 All field wiring and components must be installed by an installer and must comply with the applicable legislation...
  • Page 11: Install The Chiller

    Point of attention regarding quality of the public electric power Lift the unit preferably with a crane and 2 belts of at least 8 m supply. long as shown in the figure above. Always use protectors to prevent belt damage and pay attention This equipment complies with respectively: to the position of the unit's centre of gravity.
  • Page 12: Opening The Unit

    The unit must be installed on a solid longitudinal foundation 4.2.2. Opening the unit (steelbeam frame or concrete) and make sure the base under To gain access to the unit, front panels need to be opened as shown the unit is larger than the grey marked area in figure 9: in figure 8: 1 Hole for foundation bolt 2 Inner dimension of the base...
  • Page 13: Overview Of The Unit

    4.4. Overview of the unit 1 Electronic expansion valve (subcooling) (Y2E) 2 Electronic expansion valve (main) (Y1E) 4.4.1. Main components of the outdoor module 3 Check valve 4 Filter 5 Fan 6 Fan motor (M1F,M2F) 7 Heat exchanger 8 Distributor 9 Pressure regulating valve 10 Refrigerant regulator 11 4-way valve (heat exchanger)(Y3S)
  • Page 14 Water inlet connection Switch box of the hydraulic compartment (panel 1) Water outlet connection 10. Drain and fill valve 11. Water filter The water filter removes dirt from the water to prevent damage to the pump or blockage of the evaporator. The water filter must be cleaned on a regular base.
  • Page 15: Perform The Water Piping Work

    4.5. Perform the water piping work 4.5.4. Check the water volume and expansion vessel pre-pressure 4.5.1. Connecting the water pipes The unit is equipped with an expansion vessel of 12 litre which has a Water connections must be made in accordance with all applicable default pre-pressure of 1 bar.
  • Page 16: Protecting The Water Circuit Against Freezing

    If power failure can happen at times the unit is unattended moisture from its environment. or if you did not select this option, Daikin recommends adding glycol to the water system. Leaving the cap off the glycol container causes the...
  • Page 17: Fill The Water Circuit

    4.5.6. Fill the water circuit K7R,K8R ....Magnetic relay (E1HC, E2HC) K11R ...... Magnetic relay (Y3S) Connect the water supply to the drain and fill valve (see L1R ......Reactor "4.4.2. Main components of the hydro module" on page 8). M1C,M2C....
  • Page 18: Internal Wiring - Parts Table - Hydro Module

    4.6.2. Internal wiring – Parts table – Hydro module NOTICE Refer to the wiring diagram sticker on the hydro module front panel 1 When the main switch is in OFF position, it is possible (refer to "4.2.2. Opening the unit" on page 7). The abbreviations used to lock the main switch using a suitable padlock.
  • Page 19: Routing

    Fasten the remote controller on a flat CAUTION surface. Select all cables and wire sizes in accordance with relevant local and national regulations. NOTICE WARNING Be careful not to distort the shape of the lower part of the After finishing the electric work, confirm that each electric remote controller by over tightening the mounting screws.
  • Page 20: Install Optional Equipment

    How to connect for multi unit Refrigerant leak Check the inside of the unit on refrigerant leakage. If there is a INFORMATION refrigerant leak try to repair the leak (recovery, repair, and For multiple unit control, connect the remote controller to vacuuming needed).
  • Page 21 Location of the dip switches, LEDs and buttons Setting procedure Push the BS2 SET button according to the required function LED H1P~H8P (A~E). The LED indication that matches the required function is Push button switches shown below in the field marked BS1~BS5 Possible functions setting of high static pressure.
  • Page 22: Field Settings On The Remote Controller

    Confirmation of the set mode 5.2.4. Procedure The following items can be confirmed by setting mode 1 (H1P To change one or more field settings, proceed as follows. LED is off) Check the LED indication in the field marked Indication of the present operation state , normal , abnormal , under preparation or under test operation...
  • Page 23: Detailed Description

    5.2.5. Detailed description In the following tables both methods on how to interpret the schedule timer are shown. For a summary of all field settings refer to "6.1.1. Field settings table" on page 39. Method 1 Space heating based on temperature set point During operation During schedule timer operation the operation LED is lit [0] Remote control setup...
  • Page 24 [1] Settings are not applicable Method 2 Space heating based on ON/OFF instruction [2] Automatic setback function During operation When the schedule timer switches space heating OFF, the controller will be switched off (operation LED will stop INFORMATION working). When pushing The schedule timer for space heating will stop (when Only for EWYQ units operating in heating mode.
  • Page 25 [3] Weather dependent set point [6] Option setup [6-01] External room thermostat option INFORMATION If the optional external room thermostat is installed, its operation Only for EWYQ units operating in heating mode. must be enabled by field setting. Default [6-01]=0, which means no external room thermostat is installed.
  • Page 26 [8-04] Freeze-up prevention [C] Leaving water temperature limits The unit has a freeze-up prevention functionality for which [C-00] Maximum leaving water set point in heating operation 3 levels can be selected: [C-01] Minimum leaving water set point in heating operation [8-04]=0 prevention level 0 (default: no prevention) [C-02] Maximum leaving water set point in cooling operation [8-04]=1 prevention level 1...
  • Page 27: Final Check And Test Run

    5.3. Final check and test run Procedure for space heating/cooling Check the leaving water and entering water temperature through 5.3.1. Final check the remote controller read-out mode and write down the Before switching on the unit, read the following recommendations: displayed values.
  • Page 28: Service And Maintenance

    5.5. Service and maintenance In case of use of glycol (Refer to Caution: "Use of glycol" on page 11) In order to ensure optimal operation of the unit, a number of checks Document the glycol concentration and the pH-value in the and inspections on the unit and the field wiring have to be carried out system at least once a year.
  • Page 29: Unit Specifications

    NIT SPECIFICATIONS NNEX 6.1. Technical specifications Handover of the installation to the user EWAQ/EWYQ To be filled in by the installer once the test run is finished and the unit operates properly Dimensions 1684x 1684x 1684x 1684x (HxWxD) (mm) 1340x 1650x 2320x 2940x...
  • Page 30: Operation Manual

    The unit is designed for outdoor installation and can be combined Danger of burning and scalding. with Daikin fan coil units for aiconditioning purposes. They can also be used for supplying water for process cooling. Refer to the installation manual for the list of options.
  • Page 31: Quick Start-Up Of The Unit

    UICK START UP OF THE UNIT PERATING THE UNIT In this chapter the step-by-step procedure is explained for starting up CAUTION space cooling/heating. Do not rinse the unit. This may cause electric shock or The more detailed information of how the unit must be operated is fire.
  • Page 32: Name And Function Of Buttons And Icons

    5.2. Name and function of buttons and icons 13. NOT AVAILABLE This icon is displayed whenever a non-installed option is addressed or a function is not available. A function not available 6 22 can mean insufficient permission level or can mean that a slave remote controller is used (see installation manual).
  • Page 33: Setting Up The Controller

    26. PROGRAMMING BUTTON INFORMATION This multi-purpose button is used to program the controller. The function of the button depends on the actual status of the The clock needs to be set manually. Adjust the setting controller or on previous actions carried out by the operator. when switching from summertime to wintertime and vice versa.
  • Page 34: Leaving Water Temperature Control (Default)

    5.4.2. Leaving water temperature control (default) 5.5.1. Room temperature control In this mode, cooling will be activated as required by the water In this mode, heating will be activated as required by the room temperature set point. The set point can be set manually or through temperature set point.
  • Page 35: Leaving Water Temperature Control (Default)

    Press the button 1 time to select weather dependent set INFORMATION point operation (or 2 times when the remote controller room While room temperature setback function is active, thermostat function is used). leaving water setback operation is also performed Icon appears on the display as well as the shift value.
  • Page 36: Other Operation Modes

    Automatic setback function 5.6.3. Quiet mode operation ( Setback function provides the possibility to lower the room Quiet mode operation means that the unit works at reduced temperature. The setback function can for instance be activated compressor speed so that the noise produced by the unit drops. This during the night because the temperature demands during night and implies that it will take longer till the required temperature set point is day are not the same.
  • Page 37: Schedule Timer Operation

    5.8. Schedule timer operation Operation example: Schedule timer based on temperature set points In schedule timer operation, the installation is controlled by the When setback function is enabled, the setback operation will have schedule timer. The actions programmed in the schedule timer will be priority over the scheduled action in the schedule timer.
  • Page 38: Quiet Mode

    5.9. Programming and consulting the schedule timer Operation example: Schedule timer based on ON/OFF instruction When setback function is enabled, the setback operation will have 5.9.1. Getting started priority over the scheduled action in the schedule timer if ON Programming the schedule timer is flexible (you can add, remove or instruction is active.
  • Page 39: Programming

    5.9.2. Programming Programming space Programming space cooling is carried out as follows: INFORMATION Returning to previous steps in the programming procedure without saving modified settings is done by pressing the button. Press the button to enter the programming/consulting mode. Select the operation mode you would like to program by means of the buttons.
  • Page 40 Programming space heating Programming space heating is carried out as follows: INFORMATION Returning to previous steps in the programming procedure without saving modified settings is done by pressing the button. Press the button to enter the programming/consulting mode. Select the operation mode you would like to program by means of the buttons.
  • Page 41: Consulting Programmed Actions

    Programming quiet mode 5.9.3. Consulting programmed actions Consulting space heating actions Consulting space cooling heating, space heating or quiet mode is carried out as follows. INFORMATION Returning to previous steps in this procedure is done by pressing the button. Press the button to enter the programming/consulting mode.
  • Page 42: Operating The Optional Demand Pcb

    5.10. Operating the optional demand PCB Deleting one or more programmed actions Deleting one or more programmed actions is done at the same time An optional PCB EKRP1AHTA can be connected to the unit and be as storing the programmed actions. used to remotely control the unit When all actions for one day have been programmed, make sure that There are 3 inputs that allow...
  • Page 43: Field Settings

    6.1. Procedure IELD SETTINGS To change one or more field settings, proceed as follows. NOTICE The default values mentioned in "6.1.1. Field settings table" on page 39 are the values from factory. The actual initial values shall be selected according to your application.
  • Page 44: Field Settings Table

    6.1.1. Field settings table Installer setting at variance with default value First Second Default code code Setting name Date Value Date Value value Range Step Unit Remote control setup User permission level — Room temperature compensation value –5~5 °C Not applicable. Do not change the default value. —...
  • Page 45 Installer setting at variance with default value First Second Default code code Setting name Date Value Date Value value Range Step Unit Option setup Not applicable. Do not change the default value. — — — Not applicable. Do not change the default value. —...
  • Page 46: Maintenance

    • Check wiring connections. error (R12T/R22T) at regular intervals, preferably yearly. This maintenance should be • Contact your local dealer. carried out by your local Daikin technician (see installation manual). Heating leaving water • Check wiring connections. thermistor error (R11T/R12T) •...
  • Page 48 4PW70082-1C 2013.07...

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