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Daikin EWWD360MBYN Инструкция по эксплуатации онлайн [20/24] 526696
![Daikin EWWD360MBYN Инструкция по эксплуатации онлайн [20/24] 526696](/views2/1662029/page20/bg14.png)
Operation manual
19
EWWD120~540MBYNN
Packaged water-cooled water chillers
4PW22685-1B
5.8
Symptom 6: Unit stops soon after operation
Symptom 7: Unit runs continuously and the water temperature remains
higher than the temperature set on the controller
Symptom 8: Excessive noises and vibrations of the unit
Symptom 9: The display shows
(only in a DICN system)
Symptom 10: The
message shows
10
Symptom 11: The alarm message shows
11
Symptom 12: The alarm message shows
12
Symptom 13: Sensor or transmitter error
13
Symptom 14: The alarm message shows
, ;;;
14
Symptom 15: The alarm message shows
0
15
Symptom 5.8: Compressor thermal protector is activated
POSSIBLE CAUSES CORRECTIVE ACTION
Compressor motor coil temperature
too high.
Compressor is not cooled sufficiently
by the refrigerant medium.
RESET After temperature decrease the
thermal protector is reset
automatically, but the circuit
controller needs to be reset.
If the protector is activated
frequently, call your local dealer.
POSSIBLE CAUSES CORRECTIVE ACTION
The schedule timer is activated and
is in off mode.
Work according to the settings in the
schedule timer or disable the
schedule timer.
One of the safety devices is
activated.
Check safety devices (refer to
Symptom 5: One of the following
safety devices is activated).
Voltage is too low. Test the voltage in the supply panel
and, if necessary, in the electrical
compartment of the unit (voltage
drop due to supply cables is too
high).
POSSIBLE CAUSES CORRECTIVE ACTION
The temperature setting on the
controller is too low.
Check and adjust the temperature
setting.
The heat production in the water
circuit is too high.
The cooling capacity of the unit is too
low. Call your local dealer.
Water flow is too high. Recalculate the water flow.
The circuit is limited. Check the "enable/disable capacity
limitation" remote contact.
POSSIBLE CAUSES CORRECTIVE ACTION
Unit has not been fixed properly. Fix the unit as described in the
installation manual.
POSSIBLE CAUSES CORRECTIVE ACTION
The adresses set on the PCB or
controller are wrong.
Make sure to set the correct
adresses. Refer to "Setting the
adresses" in the installation manual.
POSSIBLE CAUSES CORRECTIVE ACTION
A unit can not be found by the DICN
system.
Make sure all units in the DICN
system are powered or make sure
the correct number of slaves is
defined in the master unit.
The EEV driver can not be found by
the unit system.
Check the wiring. Call your local
dealer.
POSSIBLE CAUSES CORRECTIVE ACTION
The control motor is not reacting due
to bad wiring to the motor or the
motor is damaged.
Check if the wiring to the control
motor is correct and not damaged or
loose.
POSSIBLE CAUSES CORRECTIVE ACTION
The control motor is operating in
reverse due to wrong wiring.
Check if the wiring is according to
the wiring diagram.
POSSIBLE CAUSES CORRECTIVE ACTION
The wiring is wrong. Check if the wiring is according to
the wiring diagram. Call your local
dealer.
POSSIBLE CAUSES CORRECTIVE ACTION
The alarmmessage indicates a
error code.
The suction temperature sensor is
not well mounted in the suction pipe.
Check the suction temperature
sensor and make sure that it is
properly mounted in its holder on the
suction pipe. Call your local dealer.
The alarm message indicates a
or
errorcode.
Call your local dealer.
POSSIBLE CAUSES CORRECTIVE ACTION
The expansion board controller
(A11P) can not be found.
Check if the wiring to the expansion
board controller (A11P) is according
to the wiring diagram. Call your local
dealer.
Содержание
- Operation manual 1
- Packaged water cooled water chillers 1
- Introduction 2
- Operation manual 2
- Technical specifications 2
- Electrical specifications 3
- Electrical specifications 3
- Gwp global warming potential 3
- Important information regarding the refrigerant used 3
- Periodical inspections for refrigerant leaks may be required depending on european or local legislation please contact your local dealer for more information 3
- Refrigerant type r134a 3
- This product contains fluorinated greenhouse gases covered by the kyoto protocol 3
- Value 1300 3
- Description 4
- Escription 4
- As the refrigerant circulates through the unit changes in its state or condition occur these changes are caused by the following main components 5
- Compressor the compressor m c acts as a pump and circulates the refrigerant in the refrigeration circuit it compresses the refri gerant vapour coming from the evaporator at the pressure at which it can easily be liquefied in the condenser 5
- Condenser the function of the condenser is to change the state of the refrigerant from gaseous to liquid the heat gained by the gas in the evaporator is discharged through the condenser to the ambient air and the vapour condenses to liquid 5
- Evaporator the main function of the evaporator is to take heat from the water that flows through it this is done by turning the liquid refrigerant coming from the condenser into gaseous refrigerant 5
- Expansion valve the liquid refrigerant coming from the condenser enters the evaporator via an expansion valve the expansion valve brings the liquid refrigerant to a pressure at which it can easily be evaporated in the evaporator 5
- Figure 5
- Filter drier the filter installed behind the condenser removes small particles from the refrigerant to prevent blockage of the tubes the drier takes water out of the system 5
- Flowswitch the flowswitch protects the evaporator of the unit against freezing when there is no waterflow or when the waterflow is too low 5
- Function of the main components 5
- Functional diagram 5
- Water in outlet connection the water inlet and outlet connection allow an easy connection of the unit to the water circuit of the air handling unit or industrial equipment 5
- Waterfilter the waterfilter protects the evaporator against clogging 5
- Internal wiring parts table 6
- Safety devices 6
- Before operation 7
- Checks before initial start up 7
- Efore operation 7
- Digital controller 8
- General recommendations 8
- Operation 8
- Peration 8
- Power supply connection and crankcase heating 8
- Water supply 8
- Connection to the unit 9
- How to enter a menu 9
- Setting the language 9
- Switching the unit off 9
- Switching the unit on 9
- Switching units on off in a dicn system 9
- Working with the unit 9
- Consulting actual operational information 10
- Selecting cooling or heating operation 10
- Adjusting the temperature setpoint 11
- Resetting the unit 11
- Advanced features of the digital controller 12
- All menus are directly accessible using the corresponding key on the digital controller the down arrow x on the display indicates that you can go to the next screen of the current menu using the h key the up arrow w on the display indicates that you can go to the previous screen of the current menu using the g key if c is displayed this indicates that you can either return to the previous screen or can go to the next screen 12
- Depending upon the settings in the user settings menu and on the selected cooling heating operation mode the setpoints menu can either be entered directly or by means of the user password 12
- Readout menu 12
- Setpoints menu 12
- The user settings menu protected by the user password allows a full customization of the units 12
- This chapter gives an overview and a brief functional description of the screens provided by the different menus in the following chapter you will find how you can set up and configure the unit using the various menu functions 12
- User settings menu 12
- Additionally the number of safeties that already occured can be consulted on the first line of the history screens 13
- Along with the basic information more detailed information screens can be consulted while the safety menu is active press the q key screens similar to the following will appear 13
- History menu 13
- Info menu 13
- Input output menu 13
- Safeties menu 13
- The history menu contains all the information concerning the latest shutdowns the structure of those menus is identical to the structure of the safeties menu whenever a failure is solved and the operator performs a reset the concerning data from the safeties menu is copied into the history menu 13
- The input output menu gives the status of all the digital inputs and the relay outputs of the unit 13
- The safeties menu provides useful information for trouble shooting purposes the following screens contain basic information 13
- Timers menu 13
- Cooling heating menu 14
- Defining and activating the control mode 14
- Entering the user settings menu 14
- Network menu 14
- User password menu 14
- Defining dual evaporator pump control 15
- Defining the capacity limitation settings 15
- Defining the display settings 15
- Defining the lead lag mode 15
- Defining the pump control settings 15
- Defining the schedule timer 15
- Defining the thermostat settings 15
- Activating or deactivating the setpoints password 16
- Checking the actual value of the software timers 16
- Defining bms control 16
- Defining the network settings 16
- Checking the safety info and the unit status after a reset 17
- Checking the status of the inputs and outputs 17
- Consulting additional unit information 17
- Listing activated safeties and checking the unit status 17
- Changing the user password 18
- Roubleshooting 18
- Troubleshooting 18
- Aintenance 21
- Disposal requirements 21
- Maintenance 21
- Maintenance activities 21
- Cooling inlet water temperature control of evaporator outlet water temperature control of evaporator 22
- Heating inlet water temperature control of condenser 22
- Schedule timer example 22
- Thermostat parameters 22
- Oftware structure 23
- Q q q q q 23
- Q q q q q q 23
- Pw22685 1b 24
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