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Daikin
Ilmastointi
UATYQ25ABAY1
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Operation manual
Rooftop Packaged Unit
Models:
UATYQ20ABAY1
UATYQ25ABAY1
UATYQ30ABAY1
UATYQ45ABAY1
UATYQ50ABAY1
UATYQ55ABAY1
UATYQ65ABAY1
UATYQ75ABAY1
UATYQ90ABAY1
UATYQ110ABAY1
UATYQ115ABAY1
UATYQ20AFC2Y1
UATYQ25AFC2Y1
UATYQ30AFC2Y1
UATYQ45AFC2Y1
UATYQ50AFC2Y1
UATYQ55AFC2Y1
UATYQ65AFC2Y1
UATYQ75AFC2Y1
UATYQ90AFC2Y1
UATYQ110AFC2Y1
UATYQ115AFC2Y1
UATYQ20AFC3Y1
UATYQ25AFC3Y1
UATYQ30AFC3Y1
UATYQ45AFC3Y1
UATYQ50AFC3Y1
UATYQ55AFC3Y1
UATYQ65AFC3Y1
UATYQ75AFC3Y1
UATYQ90AFC3Y1
UATYQ110AFC3Y1
UATYQ115AFC3Y1
Operation manual
Rooftop Packaged Unit English
Original instructions
Installation manual
3
We reserve the right to make changes without any prior notice.
UATYQ*Y1
Packaged Rooftop
4P522681-1B
Contents
1 User Interface 4
2 Operating guide 5
2.1 Software menu 5
2.2 Main mask and menu 6
2.3 Switching ON/OFF he unit from keyboard 7
2.4 Temperatureandairowsetpointadjust 7
2.5 Clock menu and time slots setting 8
2.5.1 Time slots programming examples 9
2.6 Stop washing function (forced freecooling at unit start-up) 10
2.7 Summer/winter changeover from keyboard 11
2.8 Input/output visualization 12
2.9 Change language and unit and software data visualization 14
2.10 Alarms 15
Original instructions
Installation manual
4
We reserve the right to make changes without any prior notice.
UATYQ*Y1
Packaged Rooftop
4P522681-1B
This operation manual is dedicated to the end user of the unit and it contains a brief description of all free access
functions of the unit control.
1 USER INTERFACE
The user interface is a LCD display with 4 rows, 20 columns and automatic backlight; the display has 6 function keys,
that are used to navigate the software menu and to set the parameters.
The key functions are described in the following.
This key, called “up arrow” , allows to scroll up the masks and to modify the value of each mask
eld,increasingit.
This key, called “down arrow” , allows to scroll up the masks and to modify the value of each
maskeld,decreasingit.
This key, called “Enter” ,conrmstheselectiondonetoaccessthemenubranchesandstoresa
parameterthathasbeenmodied.
This key, called “alarm”, allows to display active alarms and, in case, to reset them.
This key, called "prg" , allows to enter the software menu.
This key, called "esc" , allows to exit the displayed mask and to go back to the previous menu
level.
Original instructions
Installation manual
5
We reserve the right to make changes without any prior notice.
UATYQ*Y1
Packaged Rooftop
4P522681-1B
2 OPERATING GUIDE
The operating guide describes the main control functions.
2.1 Software menu
Thesoftwareisorganizedwithamenuthatallowstoaccesstodierentbranches,eachonecontainingoneormore
masksorscreens,withdierentaccesslevels:free,partiallypassword-protectedorcompletelypassword-protected.
Pressing the keyfromanymask,thefollowingmenuloopisdisplayed:
With arrow keys it is possible to scroll the menu; the selected one is highlighted and marked by an arrow
ontheleft:
To enter the selected menu, press the "enter" key .
Thisisthemaskstreewithallsub-menus:
• The ones reported in underlined letters are free access menu;
• the ones reported in "italic letters" are partially password-protected menu;
• the ones reported in bold letters are completely password-protected menu.
The access to the password-protected menu is reserved to Service technicians.
Original instructions
Installation manual
6
We reserve the right to make changes without any prior notice.
UATYQ*Y1
Packaged Rooftop
4P522681-1B
2.2 Main mask and menu
Whentheunitispowered,themainmaskisdisplayedontheunitdisplay,showinginitsrstrowtheindoortemperature
setpoint on the left and the local address of the unit on the right, in bigger fonts the read indoor temperature and on
the last row the unit status on the left and the current time on the right.
todisplaytheunitworkingmode,thetimeslotsactivation,thedehumidicationactivation(notavailable),the
setpoint compensation activation (where enabled).
to display if the unit is in defrost, in freecooling or in freeheating mode.
to display the unit active compressors.
to display if high pressure alarm prevention function in summer mode is active, if the supply temperature limit
is active and if the antifreeze function is enabled and active.
to display the delivery and return (if present) air fans working mode (manual or automatic).
to display if the condensate tray electrical heater is active.
to display if the washing function (forced freecooling at unit start-up) is active.
Original instructions
Installation manual
7
We reserve the right to make changes without any prior notice.
UATYQ*Y1
Packaged Rooftop
4P522681-1B
to display if the low pressure alarm prevention function in winter mode is active for circuits 1 and 2.
2.3 Switching ON/OFF he unit from keyboard
select "On/OFF unit" menu "Enter" "Enter"to switch ON/OFF the unit.
If time slots are active, the unit will start running only if it is programmed to be ON in that time slot.
IftheunitON/OFFswitchingfromasupervisorsystemisenabled,theserialconsentisnecessaryfortheeective
unit starting-up.
IftheunitON/OFFswitchingfromdigitalinputisenabled,theON/OFFdigitalinputmustbeclosedfortheeective
unit starting-up.
If even only one of the previous starting-up systems does not give its consent, the unit will not start running.
2.4 Temperatureandairowsetpointadjust
select "Setpoint" menu "Enter" .
FromS0mask,theindoortemperaturesetpointinsummermode(cooling)canbeadjusted:press"enter"key ,
adjustthesetpointvaluewitharrowkeysandpress againtoconrmthenewvalue.
Iftimeslotsareactive,thesetpointcannotbemodiedfromthismask,butonlyfromthespecicmaskoftheClock
menu.
fromS1mask,theindoortemperaturesetpointinwintermode(heating)canbeadjusted:pressthekey ,
adjustthesetpointvaluewitharrowkeysandpress againtoconrmthenewvalue.
Iftimeslotsareactive,thesetpointcannotbemodiedfromthismask,butonlyfromthespecicmaskoftheClock
menu.
fromS5mask,thedeliveryairowcanbeadjusted:pressthekey ,adjustthesetpointvaluewitharrow
keys and press againtoconrmthenewvalue.
TherealairowcanbereadfromnextmaskS6.
Original instructions
Installation manual
8
We reserve the right to make changes without any prior notice.
UATYQ*Y1
Packaged Rooftop
4P522681-1B
fromS7mask,displayedonlyforunitwithreturnfans,thereturnairowcanbeadjusted:press key,adjust
the setpoint value with arrow keys and press againtoconrmthenewvalue.
TherealairowcanbereadfromnextmaskS8.
2.5 Clock menu and time slots setting
select "Clock" menu .
Current time and date can be set from this mask, while the day is automatically updated.
to enable and set time slots, input the Clock menu password and press the key ; the factory Clock menu
password is 0001.
fromthismask,thedailytimeslotscanbeenabled(secondline)andswitchotheunitoutsidethetimeslots
(fourth line).
set start and end time of the daily time slot.
set the summer (cooling) indoor temperature setpoint inside the time slot (internal set, third line) and outside
the time slot (external set, fourth line).
set the winter (heating) indoor temperature setpoint inside the time slot (internal set, third line) and outside the
time slot (external set, fourth line).
Original instructions
Installation manual
9
We reserve the right to make changes without any prior notice.
UATYQ*Y1
Packaged Rooftop
4P522681-1B
enable the weekly programming, if required.
set week days when the unit has to be in ON status (Y) or in OFF status (N).
2.5.1 Time slots programming examples
To better explain the time slots programming, two examples are reported in the following.
Example n. 1
Theunithastooperateeveryday:
• from07:00to20:00withsummersetpoint26.0°Candwintersetpoint21.0°C;
• from20:00to07:00withsummersetpoint30.0°Candwintersetpoint15.0°C.
Moreover, unit main fans must be always active.
MasksK2toK6havetobesetasfollows:
It is not required to set working days on mask K7, because weekly programming is disabled from mask K6.
Original instructions
Installation manual
10
We reserve the right to make changes without any prior notice.
UATYQ*Y1
Packaged Rooftop
4P522681-1B
Example n. 2
TheunithastooperatefromMondaytoFriday,from07:30to19:30,withsummersetpoint24.0°Candwintersetpoint
20.5°C;moreover,unitfansmustbeswitchedOFFfrom19:30to07:30andtheunithastobecompletelyswitched
OFF on Saturday and Sunday.
MasksK2toK7havetobesetasfollows:
In case the “Unit OFF by time slot” function is enabled in mask K2, the external set in mask K4 can be
whatever value, because it is not considered by the unit thermoregulation due to the fact that unit is
switched OFF.
2.6 Stopwashingfunction(forcedfreecoolingatunitstart-up)
Unit with freecooling dampers and washing function enabled.
Main mask press "Enter" to stop washing function.
Original instructions
Installation manual
11
We reserve the right to make changes without any prior notice.
UATYQ*Y1
Packaged Rooftop
4P522681-1B
2.7 Summer/winter changeover from keyboard
The unit must be switched OFF and the summer/winter changeover from keyboard must be enabled.
Select “Summer/Winter” menu "Enter"
"Enter" to change unit working mode.
If the changeover from digital input is enabled, mask R0 is not visualized.
If the automatic changeover is enabled, the changeover from winter mode to summer mode is done automatically
when the indoor air temperature rises above the summer setpoint, while the changeover from summer mode to winter
mode is done automatically when the indoor air temperature falls below the winter setpoint. In any case, the automatic
changeoverisdonewiththeunitinONstatus,sothecontrolwillrststopallactivedevices(compressors,electrical
heaters, etc.), except main fans, and it will restart them automatically when the changeover is done, following the
thermal load request.
In order to have the automatic summer/winter changeover working properly, winter setpoint must be
lower than summer setpoint; if not, the control will activate an alarm that will stop the unit; this alarm
will be automatically reset when the summer and winter setpoint are properly set.
Tuotetiedot
| Merkki: | Daikin |
| Kategoria: | Ilmastointi |
| Malli: | UATYQ25ABAY1 |
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