Fujitsu UTY-RNKYT Multi-line T/Mini-T Series Wire Controller

1. પરિચય

This manual provides detailed instructions for the installation, operation, and maintenance of your Fujitsu UTY-RNKYT Multi-line T/Mini-T Series Wire Controller. Please read this manual thoroughly before using the controller to ensure proper function and to prevent damage to the unit or connected equipment. This controller is designed for use with compatible Fujitsu HVAC systems.

2. સુરક્ષા સાવચેતીઓ

• Always disconnect power to the HVAC system before installing or servicing the controller.
• This controller operates on DC12V ONLY. Connecting it to an incorrect power source may cause damage to the unit and void the warranty.
• Installation should be performed by a qualified technician to ensure compliance with local electrical codes and safety standards.
• Do not expose the controller to water or excessive moisture.
• Do not attempt to disassemble or repair the controller yourself. Refer all servicing to qualified personnel.

3. Controller Components

Familiarize yourself with the various parts of your UTY-RNKYT controller:

3.1 ફ્રન્ટ પેનલ ઓવરview

This image displays the main interface of the controller, including the digital display for time and settings, the 'SET TEMP' buttons for temperature adjustment, and the 'START/STOP' button for power control.

• પ્રદર્શન: Shows current settings, temperature, day of the week, and operational status.
• SET TEMP Buttons (▼ / ▲): Used to adjust the desired temperature setting.
• સ્ટાર્ટ/સ્ટોપ બટન: યુનિટને ચાલુ અથવા બંધ કરે છે.

3.2 Hidden Panel Controls

This image shows the controller with its protective flap opened, exposing additional buttons for timer settings, fan control, mode selection, maintenance, and economy functions. Important operational notes are also visible on the inside of the flap.

• ટાઈમર મોડ: Selects different timer operation modes.
• દિવસ: Sets the day of the week for scheduling.
• ચાહક: Adjusts fan speed or mode.
• DIRECTIONS: Selects operating modes (e.g., Cool, Heat, Auto).
• CLOCK ADJUST: વર્તમાન સમય સેટ કરવા માટે વપરાય છે.
• SET BACK: Activates or deactivates setback temperature.
• TIMER DELETE: Deletes programmed timer settings.
• TIMER SET: Confirms or sets timer programs.
• જાળવણી: Accesses maintenance-related functions.
• અર્થતંત્ર: ઊર્જા બચત મોડ સક્રિય કરે છે.
• ફિલ્ટર રીસેટ: Resets the filter indicator after cleaning/replacement.
• THERMO SENSOR: Likely related to external temperature sensor settings.

3.3 રીઅર પેનલ

This image shows the back of the controller, clearly indicating the model number 'UTY-RNKYT' and the critical power requirement 'DC12V ONLY'. Mounting points are also visible.

• Model Number Label: UTY-RNKYT.
• Power Input Label: DC12V ONLY.
• માઉન્ટ કરવાનું છિદ્રો: For secure installation on a wall or surface.

4. સેટઅપ અને ઇન્સ્ટોલેશન

Proper installation is crucial for the safe and efficient operation of your controller. It is recommended that installation be performed by a certified HVAC technician.

4.1 માઉન્ટ કરવાનું

1. Choose a suitable location on an interior wall, away from direct sunlight, drafts, and heat sources, which could affect temperature readings.
2. Ensure the location allows for easy access to the controller and its wiring.
3. Use the mounting holes on the rear of the controller (refer to Figure 3) to securely attach it to the wall.

4.2.૨.૨ વાયરિંગ

• મહત્વપૂર્ણ: This controller requires a DC12V power supply. Verify your system's power output before connecting. Incorrect voltage યુનિટને નુકસાન પહોંચાડશે.
• Connect the controller to the compatible Fujitsu HVAC system's wiring terminals according to the system's specific wiring diagram.
• ખાતરી કરો કે બધા જોડાણો સુરક્ષિત અને યોગ્ય રીતે ઇન્સ્યુલેટેડ છે.
• After wiring, restore power to the HVAC system.

5. ઓપરેટિંગ સૂચનાઓ

The UTY-RNKYT controller offers various functions for precise climate control. Note that any setting or operation change will take effect a few seconds after the applicable button has been pressed.

5.1 મૂળભૂત કામગીરી

• પાવર ચાલુ/બંધ: દબાવો સ્ટાર્ટ/સ્ટોપ button (Figure 1) to turn the unit on or off.
• તાપમાન ગોઠવણ: નો ઉપયોગ કરો SET TEMP ▲ (ઉપર) અથવા SET TEMP ▼ (Down) buttons (Figure 1) to set your desired temperature.

5.2 Advanced Functions (Hidden Panel - Figure 2)

Open the lower panel to access these controls:

• મોડ પસંદગી: દબાવો મોડ button to cycle through available operating modes (e.g., Cool, Heat, Dry, Fan Only, Auto).
• ચાહક ગતિ નિયંત્રણ: દબાવો પ્રશંસક પંખાની ગતિને સમાયોજિત કરવા માટે બટન (દા.ત., નીચું, મધ્યમ, ઉચ્ચ, ઓટો).
• સ્વિંગ મોડ: To select swing mode, press the button with the fan icon and up/down arrows for 2 seconds.
• ઘડિયાળ ગોઠવણ: દબાવો એડજસ્ટ કરો to set the current time. Use the ▼ / ▲ buttons to adjust values and DAY અઠવાડિયાનો દિવસ સેટ કરવા માટે.
• ટાઈમર કાર્યો:
  • દબાવો ટાઇમર મોડ to select timer options (e.g., On Timer, Off Timer, Program Timer).
  • ઉપયોગ કરો ટાઈમર સેટ to confirm timer settings.
  • ઉપયોગ કરો TIMER DELETE to cancel programmed timers.
• ઇકોનોમી મોડ: દબાવો અર્થતંત્ર ઊર્જા બચત કામગીરી સક્રિય કરવા માટે.
• Set Back Function: ઉપયોગ કરો પાછા સેટ કરો to enable or disable setback temperature settings, often used for energy savings during unoccupied periods.
• જાળવણી: આ જાળવણી button is for accessing system diagnostic or service functions. Consult a technician if this is required.

6. જાળવણી

6.1 ફિલ્ટર રીસેટ

After cleaning or replacing the air filter in your HVAC unit, the filter indicator on the controller's display may need to be reset. To reset the filter indicator, press the ફિલ્ટર રીસેટ button (Figure 2) for 2 seconds.

6.2 Cleaning the Controller

• Wipe the controller's surface with a soft, dry cloth.
• હઠીલા ગંદકી માટે, હળવા હાથે કાપડનો ઉપયોગ કરોampપાણી અને હળવા ડિટર્જન્ટથી ધોઈ લો, પછી સૂકા સાફ કરો.
• Do not use abrasive cleaners, solvents, or chemical sprays, as these can damage the plastic and electronic components.

7. મુશ્કેલીનિવારણ

If you encounter issues with your controller, refer to the following common problems and solutions:

• Error Message "Er-": If the display shows "Er-", this indicates a system error. Please contact your service personnel for diagnosis and repair.
• Button Function Unavailable: If an icon resembling a crossed-out circle is flashing on the display, the function of the button you are trying to use is currently not available. Check the system's current operating mode or status.
• Defrost Indication: If a snowflake icon is indicated on the display, the unit is currently stopped for defrost operation. This is normal during heating cycles in certain conditions and will clear automatically.
• નિયંત્રક પ્રતિસાદ આપતો નથી:
  • Check if the HVAC system has power.
  • Ensure the controller is securely connected to the system wiring.
  • Verify the power supply to the controller is DC12V.

8. સ્પષ્ટીકરણો

9. વપરાશકર્તા ટિપ્સ

• રીમોટ કંટ્રોલ સુસંગતતા: This wired controller is designed for direct control of your HVAC system. If you require a system that operates with a handheld remote control, please verify compatibility with your specific HVAC unit and consider alternative controller models.
• Delayed Effect: Remember that any changes to settings or operations will take a few seconds to take effect on the HVAC unit. This is normal behavior.

10. વોરંટી અને સપોર્ટ

For warranty information, technical support, or service inquiries, please contact your Fujitsu dealer or the authorized service center where you purchased the product. Keep your purchase receipt as proof of purchase.