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Daikin EWAP160MBYN [8/22] Consulting actual operational information
![Daikin EWAP160MBYN [8/22] Consulting actual operational information](/views2/1657062/page8/bg8.png)
Operation manual
7
EWAP110~340MBYNN
Packaged air-cooled water chillers
4PW22677-1B
Setting the language
If desired, the operating language can be changed to any of the
following languages: English, German, French, Spanish or Italian.
1 Enter the usersettings menu. Refer to chapter "How to enter a
menu" on page 6
2 Go to the appropriate screen of the usersettings menu using the
g and h keys.
3 Press q to change the operating language until the desired
language is active.
Switching the unit on
1 Press the J key on the controller.
Depending on wheter or not a remote ON/OFF switch has been
configured (refer to the installation manual), the following
conditions may occur.
When no remote ON/OFF switch is configured, the LED inside
the J key lights up and an initialization cycle is started. Once all
the timers have reached zero, the unit starts up.
When a remote ON/OFF switch is configured, the following table
applies:
2 If the water chiller does not start after a few minutes, refer to
"Troubleshooting" on page 15.
Switching the unit off
If no remote on/off switch is configured:
Press the o key on the controller.
The LED inside the o key goes out.
If a remote on/off switch is configured:
Press the o key on the controller or switch the unit off using the
remote on/off switch.
The LED inside the o key goes out in the first case and starts
blinking in the second case.
Switching units ON/OFF in a DICN system
If the o key is pressed on a unit with status
or
, all
other units with status
or
will be ON or OFF.
If the o key is pressed on a unit with status
,
only this unit will be ON or OFF.
Consulting actual operational information
1 Enter the readout menu. Refer to the chapter "How to enter a
menu" on page 6.
The controller automatically shows the first screen of the
readout menu which provides the following information:
•
or
or
: manual/
automatic control mode operation. If the automatic control mode
is selected, the controller will indicate the active temperature
setpoint. Depending on the status of the remote contact, setpoint
one or setpoint two is active.
•
: actual evaporator inlet water temperature.
•
: actual evaporator outlet water temperature.
2 Press the h key to enter the next screen of the readout menu.
The
screen of the readout menu provides
information concerning the status of the different circuits.
•
: actual status of circuit.
When the circuit is ON, the following status information may
appear.
•
: 40% - this percentage refers to the activated capacity of that
specific circuit.
When a circuit is OFF, the following status information may
appear.
•
: one of the circuit safety devices is activated
(refer to "Troubleshooting" on page 15).
•
: the circuit is limited by a remote contact.
•
: the actual value of one of the software timers is
not zero (refer to "Timers menu" on page 9).
•
the circuit is ready to start up when extra cooling
load is needed.
The preceding OFF messages are written down in order of priority. If
one of the timers is busy and one of the safeties is active, the status
information says
.
The
is written down on the bottom of the screen.
The percentage is the actual cooling capacity of the unit.
3 Press the h key to enter the next screen of the readout menu.
The
screen of the readout menu provides
information concerning the pressures of circuit.
■
: high pressure of the refrigerant in circuit. The first
number stands for the pressure in bar, the second number
stands for the bubble point saturation temperature in degrees
Celsius.
■
: low pressure of the refrigerant in circuit. The first
number stands for the pressure in bar, the second number
stands for the dew point saturation temperature in degrees
Celsius.
Local key Remote switch Unit oo
oo
LED
ON ON ON ON
ON OFF OFF Flashing
OFF ON OFF OFF
OFF OFF OFF OFF
In case of emergency, switch off the unit by pushing the
emergency stopbutton.
NOTE
Also consult "Defining the schedule timer" on page 11
and "Customization in the service menu" chapter
"Setting of the changeable inputs and outputs" in the
installation manual.
NOTE
When a remote ON/OFF switch is configured, the
remote ON/OFF contact for all units with status
or
of a DICN network is the contact
connected to the master unit.
For units with status
, the remote
contact is the contact connected to this unit.
NOTE
If the user wants 1 unit to operate on his command
only, this unit is to be set to
.
It is recommended not to select the master unit for this
purpose. Even if the status of the master is set to
, it will still be the contact
connected to the master which will switch ON/OFF the
other units in
or
mode. It would
therefore never be possible to only switch the master
unit OFF remotely.
Switching OFF the master unit only, should in this case
be done by the local ON/OFF key on the master unit.
NOTE
For a DICN system, the
,
values are the values of the individual units, not
of the system. Temperatures of the system can be
consulted in the first screen of the network menu.
NOTE
When a circuit is in a high pressure setback, the
indication of capacity will be flashing. A high pressure
setback is a prevention of load-up or a forced load-
down caused by a too high pressure.
Содержание
- Operation manual 1
- Packaged air cooled water chillers 1
- Electrical specifications 2
- Introduction 2
- Operation manual 2
- Technical specifications 2
- Description 3
- Escription 3
- Important information regarding the refrigerant used 3
- Function of the main components 4
- Safety devices 4
- Internal wiring parts table 5
- Before operation 6
- Checks before initial start up 6
- Efore operation 6
- Power supply connection and crankcase heating 6
- Water supply 6
- Digital controller 7
- General recommendations 7
- Operation 7
- Peration 7
- Working with the unit 7
- Consulting actual operational information 8
- Setting the language 8
- Switching the unit off 8
- Switching the unit on 8
- Switching units on off in a dicn system 8
- Adjusting the temperature setpoint 9
- Resetting the unit 9
- Advanced features of the digital controller 10
- All menus are directly accessible using the corresponding key on the digital controller or through the main menu refer to how to enter a menu on page 6 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 10
- Depending upon the settings in the user settings menu the setpoints menu can either be entered directly or by means of the user password 10
- Readout menu 10
- Setpoints menu 10
- The usersettings menu protected by the user password allows a full customization of the units 10
- 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 10
- Timers menu 10
- Usersettings menu 10
- Additionally the number of safeties that already occured can be consulted on the first line of the history screens 11
- 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 11
- History menu 11
- Info menu 11
- Input output menu 11
- Safeties menu 11
- 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 11
- The input output menu gives the status of all the digital inputs and the relay outputs of the unit 11
- The safeties menu provides useful information for trouble shooting purposes the following screens contain basic information 11
- To change the user password 11
- To check the capacity mode and feedback 11
- To check the status of the changeable digital inputs note that for a unit in a dicn system the inputs apply to this unit it will be the remote input on the master unit however that will be determining for the operation of the unit 11
- To check the status of the changeable relay output 11
- To check the status of the discharge thermal protector and the compressor thermal protector 11
- To check the status of the fanspeed relays 11
- To check the status of the high pressure switch the reverse phase protector and the overcurrent relay 11
- To check the status of the power relays 11
- To check the status of the pump the alarm and the evaporator heater voltage free contacts 11
- To check the time and control mode at the moment of the unit shutdown 11
- To check whether or not the emergency stop device is active and if there is any waterflow to the evaporator 11
- To check which was the status of the compressors at the moment of shutdown 11
- To check which were the evaporator and condenser inlet water temperature and the evaporator outlet water temperature 11
- To check which were the pressures of the circuit at the moment of shutdown 11
- To check which were the total amount of running hours of the compressor and the ambient temperature at the moment of shutdown 11
- To consult additional information about the unit such as the unit type and the refrigerant used 11
- To consult information about the circuit safety which caused the shutdown 11
- To consult information about the controller s software version 11
- To consult information about the dual pump which caused the shutdown 11
- To consult information about the network safety which caused the shutdown 11
- To consult information about the pcb 11
- To consult information about the unit safety which caused the shutdown 11
- To consult time and date information 11
- User password menu 11
- Defining and activating the control mode 12
- Defining the capacity limitation settings 12
- Defining the pump control settings 12
- Defining the schedule timer 12
- Defining the thermostat settings 12
- Entering the user settings menu 12
- Network menu 12
- Defining dual evaporator pump control 13
- Defining free cooling 13
- Defining the display settings 13
- Defining the network settings 13
- Defining the floating setpoint settings 13
- Activating or deactivating the setpoints password 14
- Checking the actual value of the software timers 14
- Defining bms control 14
- Checking the safety info and the unit status after a reset 15
- Checking the status of the inputs and outputs 15
- Consulting additional unit information 15
- Listing activated safeties and checking the unit status 15
- Changing the user password 16
- Roubleshooting 16
- Troubleshooting 16
- Aintenance 18
- Disposal requirements 18
- Maintenance 18
- Maintenance activities 18
- Inlet water temperature control outlet water temperature control 19
- Schedule timer example 19
- Thermostat parameters 19
- Floating setpoint working 20
- Free cooling on ambient temperature 20
- Free cooling on difference between inlet water evaporator temperature and ambient temperature 20
- Free cooling working 20
- Oftware structure 21
- Q q q q q 21
- Pw22677 1b 22
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