Daikin EWAQ016BAW Installation And Operation Manual

Also see for EWAQ016BAW: Service manual

Contents

Daikin EWAQ016BAW Installation And Operation Manual Manual pdf 33 page image

EWAQ016~064BAW + EWYQ016~064BAWPackaged air-cooled water chiller4PW70082-1C – 2013.07Installation and operation manual2826. PROGRAMMING BUTTONThis multi-purpose button is used to program the controller. Thefunction of the button depends on the actual status of thecontroller or on previous actions carried out by the operator.27. SCHEDULE TIMER BUTTON /The main function of this multi-purpose button is toenable/disable the schedule timer.The button is also used to set the clock and to program thecontroller. The function of the button depends on the actualstatus of the controller or on previous actions carried out by theoperator.28. TIME ADJUST BUTTONS andThese multi-purpose buttons are used to adjust the clock, totoggle between temperatures (water inlet/outlet temperature ofthe unit, outdoor ambient temperature, actual room temperature)and in schedule timer programming mode.29. LEAVING WATER TEMPERATURE ADJUST BUTTONSandThese buttons are used to adjust the leaving water temperatureset point in normal operation mode or in schedule timerprogramming mode.If the controller is set to permission level 3 (refer to "Fieldsettings" in the installation manual), the leaving watertemperature adjust button will not be operable.In case the weather dependent set point operation is selected,the unit has a floating set point. In this case, the icon as wellas the shift value (in case not zero) will display.30. ROOM TEMPERATURE ADJUST BUTTONS andThese multi-purpose buttons are used to adjust the current roomtemperature set point in normal operation mode or in scheduletimer programming mode.When changing the room temperature set point, the set pointvalue on the display will be flashing. After 5 seconds the displaywill show to the actual room temperature.31. QUIET MODE BUTTONThis button enables or disables quiet mode.If the controller is set to permission level 2 or 3 (refer to "Fieldsettings" in the installation manual), the quiet mode button willnot be operable.32. The button is used to select the operation mode: spaceheating ( ) or space cooling ( ).5.3. Setting up the controllerAfter initial installation, the user can set the clock and day of theweek.The controller is equipped with a schedule timer that enables theuser to schedule operations. Setting the clock and day of the week isrequired to be able to use the schedule timer.5.3.1. Setting the clock1 Hold down the button for 5 seconds.The clock read-out and the day of week indicator start flashing.2 Use the and buttons to adjust the clock.Each time the or button is pressed, the time willincrease/decrease by 1 minute. Keeping the orbutton pressed will increase/decrease the time by 10 minutes.3 Use the or button to adjust the day of the week.Each time the or button is pressed the next orprevious day is displayed.4 Press the button to confirm the current set time and day of theweek.To leave this procedure without saving, press the button.If no button is pressed for 5 minutes the clock and day of theweek will return to their previous setting.5.3.2. Setting the schedule timerTo set the schedule timer, refer to chapter "5.9. Programming andconsulting the schedule timer" on page 33.5.4. Space cooling operation ( )Space cooling operation can be controlled in two different ways:■ based on room temperature,■ based on leaving water temperature (default).The purpose of each operation and how the configuration is done, isexplained below.5.4.1. Room temperature controlIn this mode, cooling will be activated as required by the roomtemperature set point. The set point can be set manually or throughthe schedule timer.Selecting space cooling operation1 Use the button to switch ON/OFF space cooling ( ).Icon appears on the display as well as the correspondingactual room temperature.The operation LED lights up.2 Use the and buttons to set the desired roomtemperature.Temperature range for cooling: 16°C~32°C (room temperature)Refer to "5.9. Programming and consulting the schedule timer"on page 33 for setup of the schedule timer function.3 Use the and buttons to select the leavingwater temperature which you want to be used to cool down yoursystem (for detailed information see "5.5.2. Leaving watertemperature control (default)" on page 30).INFORMATION■ The clock needs to be set manually. Adjust the settingwhen switching from summertime to wintertime andvice versa.■ If the controller is set to permission level 2 or 3 (referto "Field settings" in the installation manual), settingthe clock will not be possible.■ A power failure exceeding 2 hours will reset the clockand the day of the week. The schedule timer willcontinue operation, but with a disordered clock.Therefor it will be needed to correct the clock and theday of the week.INFORMATIONWhen using room temperature control, space coolingoperation based on room temperature will have priorityover leaving water control.Note that it is possible that the leaving water temperaturebecomes lower than the set point if the unit is controlled byroom temperature.