Daikin UATYQ30ABAY1 Operation Manual
Rooftop packaged unit
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- Installation, use and maintenance manual (44 pages) ,
- Operation manual (24 pages) ,
- Installation, use and maintenance instruction (44 pages)
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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
Operation manual
UATYQ90AFC3Y1
English
UATYQ110AFC3Y1
Rooftop Packaged Unit
UATYQ115AFC3Y1
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Table of Contents
Related Manuals for Daikin UATYQ30ABAY1
Summary of Contents for Daikin UATYQ30ABAY1
- Page 1 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 Operation manual UATYQ90AFC3Y1 English...
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Page 3: Table Of Contents
Contents User Interface Operating guide Software menu Main mask and menu Switching ON/OFF he unit from keyboard 2.4 Temperature and air flow setpoint adjust Clock menu and time slots setting 2.5.1 Time slots programming examples Stop washing function (forced freecooling at unit start-up) Summer/winter changeover from keyboard Input/output visualization Change language and unit and software data visualization 2.10... -
Page 4: User Interface
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. 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. -
Page 5: Operating Guide
OPERATING GUIDE The operating guide describes the main control functions. 2.1 Software menu The software is organized with a menu that allows to access to different branches, each one containing one or more masks or screens, with different access levels: free, partially password-protected or completely password-protected. Pressing the key from any mask, the following menu loop is displayed: With arrow keys it is possible to scroll the menu; the selected one is highlighted and marked by an arrow on the left: To enter the selected menu, press the "enter" key This is the masks tree with all sub-menus: •... -
Page 6: Main Mask And Menu
2.2 Main mask and menu When the unit is powered, the main mask is displayed on the unit display, showing in its first row the indoor temperature 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. to display the unit working mode, the time slots activation, the dehumidification activation (not available), the setpoint compensation activation (where enabled). -
Page 7: Switching On/Off He Unit From Keyboard
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. If the unit ON/OFF switching from a supervisor system is enabled, the serial consent is necessary for the effective unit starting-up. -
Page 8: Clock Menu And Time Slots Setting
from S7 mask, displayed only for unit with return fans, the return air flow can be adjusted: press key, adjust the setpoint value with arrow keys and press again to confirm the new value. The real air flow can be read from next mask S8. 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 ;... -
Page 9: Time Slots Programming Examples
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. -
Page 10: Stop Washing Function (Forced Freecooling At Unit Start-Up)
Example n. 2 The unit has to operate from Monday to Friday, from 07:30 to 19:30, with summer setpoint 24.0°C and winter setpoint 20.5°C; moreover, unit fans must be switched OFF from 19:30 to 07:30 and the unit has to be completely switched OFF on Saturday and Sunday. Masks K2 to K7 have to be set as follows: 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. -
Page 11: Summer/Winter Changeover From Keyboard
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. -
Page 12: Input/Output Visualization
2.8 Input/output visualization select "Input/Output" menu The mask displays intake air temperatures internal and external. the mask displays the supply air temperature. the mask displays circuit 1 and 2 refrigerant pressures. The mask displays the CO or VOC concentration, read by the air quality probe, if present. the masks display the digital input statuses: C = closed, O = open. - Page 13 the mask displays the main fan status. the mask displays the electrical heater statuses, if present. the mask displays the opening percentages of the external air damper and of the hot water valve, if present. the mask displays the opening percentage of the recirculation damper, if present. the mask displays the running percentage of external fans of circuit 1 and 2.
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Page 14: Change Language And Unit And Software Data Visualization
the mask displays the NO11 auxiliary output status and the condensate tray electrical heater status. 2.9 Change language and unit and software data visualization “Maintenance” menu "Enter" From this mask the control language can be changed, choosing from those available. Press "Enter" change the language. -
Page 15: Alarms
the mask displays the working hours of compressors 3 and 4. 2.10 Alarms When an alarm is triggered, the red "Alarm" key is on and the alarm digital output is activated. By pressing the "Alarm" key, the last alarm is displayed; the other active alarms can be scrolled with arrow keys. This is an example of an alarm mask: Each alarm is identified by a code “ALxx” and the alarm cause is described in the mask. To reset an active alarm, press and hold for at least 2 seconds the "Alarm"... - Page 16 UNIT CODE DESCRIPTION MAIN CAUSES CHECKS AND TROUBLESHOOTING RESET ITEMS OFF Check condensing pressure. Check refrigerant charge. Check condensing fan/s operation Check the presence of warm condensing air recycling. High pressure High pressure alarm from All compressors AL03 Check condensing coil cleaning and Circuit 1 circuit 1 (high pressure switch) circuit 1...
- Page 17 UNIT CODE DESCRIPTION MAIN CAUSES CHECKS AND TROUBLESHOOTING RESET ITEMS OFF It has been exceeded unit Unit check up. Perform the ordinary AL14 Unit Maintenance M (1) None operating hours threshold. maintenance operations. Check working conditions. Main fan overload/ Thermal protection ventilation Check fans motor cabling, terminals and AL15 interblock...
- Page 18 UNIT CODE DESCRIPTION MAIN CAUSES CHECKS AND TROUBLESHOOTING RESET ITEMS OFF Check working conditions. Check in the controller for the correct probe reading range . The reading of the probe B7 All components and B7 probe broken or Check the correct reading of the probe AL24 (indoor air humidity) exceeds fuctions directly...
- Page 19 UNIT CODE DESCRIPTION MAIN CAUSES CHECKS AND TROUBLESHOOTING RESET ITEMS OFF Check working conditions. Check cabling, terminals and circuit breaker of the motor. Compressor 3 Intervention of the thermal AL33 Compressor 3 Overload protection compressor 3 Check adsorbed current. Check compressor discharge temperature.
- Page 20 UNIT CODE DESCRIPTION MAIN CAUSES CHECKS AND TROUBLESHOOTING RESET ITEMS OFF Check for correct power supply to the All components and expansion board. Interrupted communication Board 2 Lan fuctions directly AL72 between main and expansion Check for the connection between main disconnected related to the boards...
- Page 21 UNIT CODE DESCRIPTION MAIN CAUSES CHECKS AND TROUBLESHOOTING RESET ITEMS OFF Check working conditions. Evaporation pressure of circuit Check evaporating pressure. WARNING Circuit 2 in heating (winter) mode is A compressor of AL79 2 in low pressure Check evaporating fans and coil. A (2) lower than the low pressure circuit 2...
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