1. Model: UTY-RNNYN (Wired Remote Controller)

Function:
Change the displayed temperature unit between °C and °F.

DIP Switch Configuration

Switch No.FunctionSettingRemarks
SW1Prohibited—Do not adjust
SW2Dual remote controller settingFactory setDo not change unless dual controllers are used
SW3Prohibited—Do not adjust
SW4°F / °C switchON = °F
OFF = °C		Primary switch for unit change
SW5Prohibited—Do not adjust
SW6Memory backupFactory setLeave as default

Switch Position Diagram

  • Location: Front case (back side of controller)

  • Active DIP Bank: DIP Switch 1

  • All DIP 2 switches remain OFF.

To change temperature display:

  1. Remove the controller’s front case.

  2. Locate DIP Switch 1.

  3. Flip SW4:

    • OFF → °C

    • ON → °F

  4. Reassemble and power on the system.

2. Model: Simple Remote Controller

Function:
Same as above — allows toggling between °C and °F display units.

DIP Switch Configuration

Switch No.FunctionSettingRemarks
SW1Prohibited—Do not adjust
SW2Dual remote controller settingFactory setOnly used for dual-controller operation
SW3°F / °C switchON = °F
OFF = °C		Primary switch for unit change
SW4–SW6Prohibited—Leave as default

Switch Position Diagram

  • Location: Internal DIP switch panel behind controller front cover.

  • Active switch: SW3.

  • Factory default: °C (SW3 = OFF).

To convert:

  1. Turn off power to the indoor unit.

  2. Access the DIP switch panel.

  3. Set SW3 → ON for °F display.

  4. Restore power and verify on display.

Summary

Controller TypeDIP SwitchSwitch No.ONOFF (Default)
Wired (UTY-RNNYN)DIP 1SW4°F°C
Simple ControllerDIP 1SW3°F°C