Related Manuals for Daikin EWAP110MBYNN
Summary of Contents for Daikin EWAP110MBYNN
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Page 1: Operation Manual
OPERATION MANUAL Packaged air-cooled water chillers EWAP110MBYNN EWAP140MBYNN EWAP160MBYNN EWAP200MBYNN EWAP280MBYNN EWAP340MBYNN... -
Page 2: Table Of Contents
AC250EQ-NP128 AC250EQ-NP162 outdoor installation and used for cooling applications. The EWAP units can be combined with Daikin fan coil units or air handling units Electrical specifications for air conditioning purposes. They can also be used for supplying water for process cooling. -
Page 3: Description
ESCRIPTION The EWAP air-cooled water chillers are available in 6 standard sizes. EWAP110~160 13 14 EWAP200~340 13 14 EWAP110~160 EWAP200~340 1000 1000 1000 1000 Figure - Main components Evaporator Power supply intake Condenser Emergency stop (S5E) Compressor (M1C) Switchbox Discharge stop valve Digital display controller Liquid stop valve Transportbeam... -
Page 4: Function Of The Main Components
Function of the main components EWAP110~160 Y11S S1PH S14PH Y16S Y15S M11F M12F M13F M14F EWAP200~340 Y11S S1PH S14PH Y16S Y15S M11F M12F M13F M14F M21F M22F M23F M24F Figure - Functional diagram Evaporator Expansion valve Condenser Sightglass Water outlet Suction stop valve (optional) Water inlet Strainer... -
Page 5: Internal Wiring - Parts Table
Internal wiring - Parts table Circuit safety devices Circuit safety devices shut down the circuit they protect. For this Refer to the internal wiring diagram supplied with the unit. The reason the unit does not need to be manually put on again after abbreviations used are listed below: a circuit safety occurred. -
Page 6: Before Operation
S8L......Flowswitch Refrigerant leak Check the inside of the unit on refrigerant leakage. If there is a S9L..... # ..Contact that closes if the pump is working refrigerant leak, call your local dealer. S10S ..* ..Changeable switch for remote function (e.g. -
Page 7: General Recommendations
General recommendations key, to enter the user settings menu. Before switching on the unit, read following recommendations: key, to enter the timers menu. When the complete installation and all necessary settings have key, to enter the history menu. been carried out, close all front panels of the unit. key, to enter the info menu. - Page 8 Setting the language NOTE If the user wants 1 unit to operate on his command only, this unit is to be set to If desired, the operating language can be changed to any of the It is recommended not to select the master unit for this following languages: English, German, French, Spanish or Italian.
- Page 9 Press the h key to enter the next screen of the readout menu. Resetting the unit To consult actual operational information about the ambient temperature and the total running hours of the compressor. The units are equipped with three kinds of safety devices: unit safeties, circuit safeties and network safeties.
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Page 10: Advanced Features Of The Digital Controller
Advanced features of the digital controller To define the schedule timer. According to the settings of This chapter gives an overview and a brief functional description of the screens provided by the different menus. In the following chapter, following screens will be available or you will find how you can set up and configure the unit using the not. - Page 11 Safeties menu Info menu The "safeties" menu provides useful information for trouble shooting To consult time and date information. purposes. The following screens contain basic information. To consult information about the unit safety which caused the shutdown. To consult additional information about the unit such as the unit type and the refrigerant used.
- Page 12 Network menu Defining the thermostat settings The "network" menu provides useful information regarding the When automatic control mode is selected, the unit uses a thermostat network. function to control the cooling capacity. However, the thermostat parameters are not fixed and can be modified via the To consult the temperature setpoint, the screen of the user settings menu.
- Page 13 Beside these four groups there is also a holiday period group Defining the display settings which is set the same way as the other groups. Up to 12 holiday periods can be entered in the screen. During these screens of the usersettings menu allows periods the schedule timer will follow the settings of the holiday the user to define the choice of language, time and date.
- Page 14 Tasks of the timers menu NOTE Put a unit to when servicing the machine. In this case it is possible to switch ON or Checking the actual value of the software timers OFF this unit without switching ON or OFF the other units of the network.
- Page 15 Tasks of the safeties menu Tasks of the input/output menu Listing activated safeties and checking the unit status Checking the status of the inputs and outputs If the alarm buzzer is activated and the user presses the p key, the The input/output menu provides a means of checking the status of controller automatically enters the safeties menu.
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Page 16: Troubleshooting
The changeable analog inputs are: Overview of safety messages : indicates the status of the analog input Message safety menu Symptom : indicates the status of the analog input : indicates the status of the analog input : indicates the status of the analog input To check the inputs and outputs, proceed as follows: Enter the . - Page 17 Symptom 4: The circuit does not start up Symptom 5.4: Fan thermal protector is activated OSSIBLE CAUSES ORRECTIVE ACTION OSSIBLE CAUSES ORRECTIVE ACTION One of the following safety devices is Check on the controller and refer to Mechanical failure (fan is blocked). Check that the fan rotates freely.
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Page 18: Maintenance
Maintenance activities Symptom 7: Unit runs continuously and the water temperature remains higher than the temperature set on the controller OSSIBLE CAUSES ORRECTIVE ACTION The wiring and power supply must be checked by a licensed electrician. The temperature setting on the Check and adjust the temperature controller is too low. - Page 19 NNEX NNEX Thermostat parameters Schedule timer example Inlet water temperature control/Outlet water temperature MARCH control The figure below shows the thermostat diagram. Fast load up Slow load up No action Slow load down To come to the schedule above following settings have to be made: Fast load down Setpoint The default value and the upper and lower limits of the thermostat...
- Page 20 NNEX NNEX Floating setpoint working Free cooling working The diagram and table below show the default value and the upper Free cooling on ambient temperature and lower limits of the floating setpoint parameters on the evaporator. Max, value free cooling state 5°C ambient temperature °C...
- Page 21 V - S NNEX OFTWARE STRUCTURE EWAP110~340MBYNN Operation manual Packaged air-cooled water chillers 4PW22677-1...
- Page 22 Zandvoordestraat 300, B-8400 Oostende, Belgium 4PW22677-1...