![Daikin EUWA15HDW15 Инструкция по эксплуатации онлайн [15/18] 535208](/img/pdf.png)
Daikin EUWA15HDW15 Инструкция по эксплуатации онлайн [15/18] 535208
![Daikin EUWA15HDW15 Инструкция по эксплуатации онлайн [15/18] 535208](/views2/1680861/page15/bgf.png)
14
SYMPTOM
3. The unit does not start and the ON
LED does not light up
4. One of the circuits does not start
up
5. One of the following safety devices
is activated
Overcurrent relay of compressor
Low pressure switch or anti-freeze
alarm
High-pressure switch
POSSIBLE CAUSES
a. All circuits are in failure mode.
b. One of the following safety devices is
activated:
- Reverse phase protector (R1P)
- Flow switch (S10L)
c. The ON LED is broken.
a. One of the following safety devices is
activated:
- Overcurrent relay (K*S)
- Discharge thermal protector (Q*D)
- Evaporating temperature
thermostat (S*T)
- Flow switch (S10L)
- High pressure switch (S*HP)
- Reverse phase protector (R1P)
b. The anti-recycling timer is still active.
c. The guard timer is still active.
d. The circuit is disabled due to a too low
outlet water temperature.
a. Failure of one of the phases.
b. Voltage too low.
c. Overload of motor.
a. Water flow to water heat exchanger
too low.
b. Shortage of refrigerant.
c. Unit is working out of its operation
range.
d. Inlet temperature to the water heat
exchanger is too low.
e. Flow switch is not working or no water
flow.
a. Condenser fan does not operate
properly.
b. Dirty or partially blocked condenser.
c. Inlet air temperature of the condenser
is too high.
CORRECTIVE ACTION
a. Refer to symptom "5. One of the
safety devices is activated".
b. Refer to symptom "5. One of the
safety devices is activated".
c. Contact your local Daikin dealer.
a. Check on the controller and refer to
symptom "5. One of the safety devices
is activated".
b. The circuit can only start up after
approximately 4 minutes.
c. The circuit can only start up after
approximately 1 minute.
d. After temperature rise, the circuit will
be enabled automatically.
a. Check fuses on the supply panel or
measure the supply voltage.
b. Measure the supply voltage.
c. Reset. If the failure persists, call your
local Daikin dealer.
Push the red button on the over-
current relay inside the switch box and
reset the controller.
a. Increase the water flow.
b. Check for leaks and refill refrigerant, if
necessary.
c. Check the operation conditions of the
unit.
d. Increase the inlet water temperature.
e. Check the flow switch and the water
pump.
After pressure rise, the low pressure
switch resets automatically, but the
controller still needs to be reset.
a. Check that the fans turn freely. Clean
if necessary.
b. Remove any obstacle and clean con-
denser coil using brush and blower.
c. The air temperature measured at the
inlet of the condenser should not
exceed 43°C.
After pressure decrease, the high
pressure switch resets automatically,
but the controller still needs to be
reset.
RESET
RESET
RESET
Содержание
- Operation manual 1
- Packaged air cooled water chillers 1
- Electrical specifications 1 2
- Ntroduction 2
- Ontents 2
- Operation manual 2
- Technical specifications 1 2
- Escription 3
- Euwa20 3
- Euwa25 3
- Function of the main components 4
- Safety devices 4
- Internal wiring parts table 5
- Measuring devices 5
- Checks before initial start up 6
- Efore operation 6
- General recommendations 6
- Power supply connection and crankcase heating 6
- Water supply 6
- Digital controller 7
- Peration 7
- Working with the unit 7
- Adjusting the temperature setpoint 8
- Consulting actual operational information 8
- Enter the readout menu using the a key 8
- Enter the setpoints menu using the z key 8
- If the manual control mode is selected refer to the user settings menu none of the above mentioned setpoints will be active 8
- If the remote on off control parameter is set to no 8
- If the remote on off control parameter is set to yes 8
- If the unit does not start after a few minutes consult the readout menu which gives the status of the different circuits refer to paragraph consulting actual operational information also refer to the chapter trouble shooting 8
- Press j to save the adjusted temperature setpoint or press the z key to cancel the modification 8
- Press the f key on the controller 8
- Press the f key on the controller or switch the unit off using the remote on off switch 8
- Press the h key to adjust the temperature setting 8
- Press the w key to return successively to the second and the first screen of the readout menu 8
- Press the x key to enter the second screen of the readout menu 8
- Press the x key to enter the third screen of the readout menu 8
- Select the setpoint to be adjusted using the j key 8
- Setp cool 1 inlet water temperature cooling setpoint 1 8
- Setp cool 2 inlet water temperature cooling setpoint 2 8
- Switching the unit off 8
- The pressures measured will vary between a maximum and minimum value depending on the water and outdoor temperatures at the moment of measurement 8
- The selection between setpoint 1 and 2 is done by a remote dual setpoint switch to be installed by the customer the actual active setpoint can be consulted in the readout menu 8
- The unit provides definition and selection of two independent temperature setpoints for cooling operation 8
- To adjust a setpoint proceed as follows 8
- To adjust other setpoints repeat from instruction 2 onwards 8
- Advanced features of the digital controller 9
- History menu t t t t t 10
- Info menu y y y y y 10
- Input output menu u u u u u 10
- Safeties menu g g g g g 10
- The history menu contains all the information concerning the latest shutdowns 10
- The input output menu gives the status of all the digital inputs and the relay outputs of the unit 10
- The safeties menu provides useful information for trouble shooting purposes 10
- Timers menu r r r r r 10
- To calibrate the sensor for inlet water temperature measurement 10
- To change the user password 10
- To check the actual value of the compressor timers 10
- To check the actual value of the general software timers 10
- To check the status of circuit 1 at activation of one of the circuits safeties 10
- To check the status of circuit 2 at activation of one of the circuits safeties 10
- To check the status of circuit 3 at activation of one of the circuits safeties 10
- To check the status of the alarm the operation and the pump voltage free contacts 10
- To check the status of the circuit safeties 10
- To check the status of the evaporator heater however the evaporator heater option is not offered by daikin 10
- To check the status of the fanspeed relays 10
- To check the status of the flowswitch 10
- To check the status of the low pressure bypass switches 10
- To check the status of the remote setpoint selection switch the remote on off switch and the reverse phase protector 10
- To check whether or not the different compressors are activated 10
- To consult additional information about the unit such as the unit name the refrigerant used and the manufacturing number 10
- To consult information about the controller s software version 10
- To consult information about the number of circuit 1 shutdowns and the circuit status at the most recent shutdown 10
- To consult information about the number of circuit 2 shutdowns and the circuit status at the most recent shutdown 10
- To consult information about the number of circuit 3 shutdowns and the circuit status at the most recent shutdown 10
- To consult information about the number of shutdowns the unit safety which caused the most recent shutdown and the unit status at this shutdown 10
- To consult information about the unit safety which caused the shutdown and to check the unit status at shutdown 10
- To consult the outlet water inlet water and ambient temperature limits 10
- To define whether or not a password is needed to change the temperature setpoint 10
- User password menu q q q q q 10
- When automatic control mode is selected the unit uses default a 2 step thermostat to control the cooling load however the thermostat parameters are not fixed and can be modified via the thermostat settings screen of the user settings menu 11
- Rouble shooting 14
- Aintenance 17
- Disposal requirements 17
- Maintenance activities 17
- Thermostat parameters 17
- Pwen09719 1b 18
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