Related Manuals for Daikin EWYQ080DAYN
Summary of Contents for Daikin EWYQ080DAYN
- Page 1 OPERATION MANUAL Packaged air-cooled water chillers EWYQ080DAYN EWYQ100DAYN EWYQ130DAYN EWYQ150DAYN EWYQ180DAYN EWYQ210DAYN EWYQ230DAYN EWYQ250DAYN...
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Page 2: Technical Specifications
1/2" G 1/2" G 1/2" G • evaporator drain The EWYQ units can be combined with Daikin fan coil units or air Internal water volume handling units for air conditioning purposes. They can also be used Expansion vessel for supplying water for process cooling. -
Page 3: Electrical Specifications
General EWYQ Dimensions HxWxD 2311x2000x4833 (mm) Weight 3200 3300 (kg) • machine weight (kg) 3239 3342 • operation weight Connections 3" 3" • chilled water inlet and outlet 1/2" G 1/2" G • evaporator drain Internal water volume Expansion vessel (only for OPSP, OPTP and OPHP) •... - Page 4 Important information regarding the refrigerant used This product contains fluorinated greenhouse gases covered by the Kyoto Protocol. Refrigerant type: R410A value: 1975 GWP = global warming potential Periodical inspections for refrigerant leaks may be required depending on European or local legislation. Please contact your local dealer for more information.
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Page 5: Function Of The Main Components
Function of the main components t > M15F M25F Y12E Y22E R18T R38T M13F M23F R16T t > t > R36T M14F M24F Y11E Y21E B1PH B2PH p > p > S1PH S2PH p > p > R14T R14T R17T R37T M11C M12C... -
Page 6: Safety Devices
4-way valve Reverse phase protector (general safety device) The 4-way valve reverses the refrigerant flow in the unit to The reverse phase protectors prevent the unit from being change from cooling mode to heating mode. operated in reverse phase. If the unit does not start, two phases of the power supply must be inverted. -
Page 7: Internal Wiring - Parts Table
Internal wiring - Parts table K15S ...... Fan overcurrent relay for circuit 1 (only for EWYQ080+100 and EWYQ180~250) Refer to the internal wiring diagram supplied with the unit. The K16F ...... Fancontactor for circuit 1 abbreviations used are listed below: (only for EWYQ080+100 and EWYQ230+250) A01P...... -
Page 8: Before Operation
S1A~S3A....PCB DIP-switch EFORE OPERATION S1L......Flowswitch S1M......Main isolator switch Checks before initial start-up S1PH,S2PH ...High pressure switch circuit 1, circuit 2 S1S~S5S..*..Switch for changeable digital input Make sure that the circuit breaker on the power supply S1T....** ..Thermal contact (only for option OPIF) panel of the unit is switched off. -
Page 9: Operation
Power supply connection and crankcase heating PERATION The EWYQ units are equipped with a digital controller (located In order to avoid compressor damage, it is necessary to behind the service panel) offering a user-friendly way to set up, use switch on the crankcase heater for at least 6 hours before and maintain the unit. - Page 10 Connection of a remote digital controller to the unit Switching the unit off For a remote digital controller a cable length of up to 500 metres If no remote on/off switch is configured: between the remote digital controller and the unit is allowed. This Press the œ...
- Page 11 Press the Ì key to enter the next screen of the readout menu. • NO FLOW : there is no flow after pumplead, the unit is in stand-by mode. • MANUAL MODE COOL INLSP1 COOL OUTLSP1 • : This compressor will not start up because it has NO PRIORITY HEAT INSLP1 HEAT OUTSP1...
- Page 12 Adjusting the temperature setpoint Resetting the unit The unit provides definition and selection of four independent The units are equipped with three kinds of safety devices: unit temperature setpoints. Two setpoints are reserved for inlet control, safeties, circuit safeties and network safeties. the other two are reserved for outlet control.
- Page 13 Advanced features of the digital controller To consult actual operational informa- _÷ EXTRA READOUT C11RH:00000hCS:00000 tion about the total running hours, total This chapter gives an overview and a brief functional description of C11C:00000h H:00000h running hours in cooling and in heating the screens provided by the different menus.
- Page 14 PUMP Timers menu Ó To define the pump control settings. PUMPCONTROL PUMPLEADTIME :020s To check the actual value of the general GENERAL TIMERS PUMPLAGTIME :060s LOADUP:000s-DWN:000s software timer. DAILY ON:N AT:12h00 PUMPLEAD :000s FLOWSTOP :00s To define the dual pump settings. DUAL PUMP MODE:AUTO ROTATION To check the actual value of the...
- Page 15 Info menu ™ To check which were the pressures of of _÷ UNIT HISTORY:002 HP2:019$ 0 b = 050$ 0 ¢ circuit 2 and the status of the fans at the LP2:019$ 0 b = -05$ 2 ¢ moment shutdown (only To consult time and date information.
- Page 16 Tasks of the usersettings menu To check the status of the changeable _÷CHANG. DIG. INPUTS DI4 NONE digital inputs and outputs (second Entering the usersettings menu DO1 SAFETY+W.(NO) :O screen). DO2 GEN.OPERATION :O The usersettings menu is protected by the user password, a 4-digit To check the status of the changeable _÷CHANG.
- Page 17 Submenu: Pump NOTE To activate manual control mode, select MANUAL CONTROL as present mode. To deactivate the manual Defining the pump control settings control mode, select an other mode as present mode. The PUMPCONTROL screen of the usersettings menu allows the user For units in a DICN configuration: to define the pump-leadtime and pump-lagtime.
- Page 18 Submenu: Language • STANDBY : The unit is considered as a NORMAL unit and its function is then also similar to a unit defined as , but this NORMAL Defining the language unit however, will only come into operation if: another unit is in alarm another unit is in mode...
- Page 19 To check the actual value of the software timers, proceed as follows: Defining controller settings Enter the TIMERS MENU . (Refer to the chapter "How to enter a The second ADVANCED screen of the usersettings menu also allows menu" on page the user to define settings for the controller.
- Page 20 Tasks of the info menu The possible settings for the changeable relay outputs are: NONE (OPEN) : Digital output open. Consulting additional unit information CLOSED : Digital output closed. 2ND PUMP : indicates the status of the second pump. Enter the INFO MENU through the main menu. (Refer to the chapter "How to enter a menu"...
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Page 21: Troubleshooting
Tasks of the login/logout menu ROUBLESHOOTING Changing the user password This section provides useful information for diagnosing and correcting certain troubles which may occur in the unit. Access to the usersettings menu and the setpoints menu is protected Before starting the trouble shooting procedure, carry out a thorough by the user password (a 4-digit number between 0000 and 9999 ). - Page 22 Symptom 4: The circuit does not start up Message safety menu Symptom UNIT WARNING 0AE:FLOW HAS STOPPED OSSIBLE CAUSES ORRECTIVE ACTION 0C9:INL SENSOR ERR One of the following safety devices is Check on the controller and refer to 1E3:HP SETBACK activated: Symptom 5: Safety devices are 1E6:COMPR PR...
- Page 23 5.9b Symptom 5.6: Superheat temperature is not correct Symptom 5.9b: Compressor safety (only for SJ161-4) (1A9/2A9:SUPERHEAT ERR) (1E6/2E6:COMPR 1/2 SAFETY) OSSIBLE CAUSES ORRECTIVE ACTION OSSIBLE CAUSES ORRECTIVE ACTION Superheat temperature is too high. Check if the unit has enough Failure of one of the phases. Check fuses on the supply panel or refrigerant (no foaming visible in measure the supply voltage.
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Page 24: Maintenance Activities
5.13 Symptom 12: The NETWORK SAFETY alarm message shows Symptom 5.13: Compressor protection (function of controller) is activated 0U4:PCB COMM.PROBLEM (1E6/2E6:COMPR PR) OSSIBLE CAUSES ORRECTIVE ACTION OSSIBLE CAUSES ORRECTIVE ACTION Compressor is working outside the Check the operation condition of the The unit can not be found by the Check if the wiring between units is operation range. -
Page 25: Disposal Requirements
Refrigerant circuit OTES • Check for leaks inside the unit. In case a leak is detected, call your local dealer. • Check the working pressure of the unit. Refer to "Switching the unit on" on page Compressor • Check on oil leaks. If there is an oil leak, call your local dealer. •... - Page 26 NNEX Thermostat parameters Water temperature control The figures below show the thermostat diagram in case of inlet water temperature control. Stand alone thermostat (inlet or outlet) DICN thermostat (inlet) Cooling mode Cooling mode a/2 a/2 a/2 a/2 a/2 a/2 a/2 a/2 Heating mode a/2 a/2 a/2 a/2...
- Page 27 Floating setpoint based on changeable analogue input NNEX FLOATING SETPOINT MODE:CH.AI MAX VALUE Floating setpoint working MAXIMUM VALUE:003$ 0 ¢ Example = 50 (0.5 V, 12 mA) The diagrams and table below show the default value of the floating setpoint parameters on the evaporator and an example on the inlet 15.0°C +3.0°C setpoint of 12.0°C.
- Page 28 NNEX >READOUT MENU ----STARTUP BUSY---- SETPOINTS MENU ª ™ READOUT MENU INFO MENU USERSETTINGS MENU ∑ Ÿ TIMERS MENU SETPOINTS MENU I/O STATUS MENU HISTORY MENU Å Æ USERSETTINGS MENU LOGIN/LOGOUT MENU INFO MENU Ó ∆ I/O STATUS MENU ªÒµ® TIMERS MENU NETWORK MENU LOGIN/LOGOUT MENU...
- Page 29 _÷ C1 ACT. PRESSURES _÷ C2 ACT. PRESSURES _÷ UNIT STATUS _÷ UNIT STATUS _÷ EXTRA READOUT _÷ EXTRA READOUT HP1:019$ 0 b = 050$ 8 ¢ HP2:019$ 0 b = 050$ 8 ¢ C11:OFF SAFETY ACT. C21:OFF SAFETY ACT. CURRENT:055A C11RH:00000hCS:00000 LP1:004$ 4 b = -05$ 2 ¢...
- Page 30 4PW35558-1B...