The thermostat consists of:

  • Control unit with one LCD display and five key buttons.
  • Mounting bracket to fit onto a square conduit box with Chinese standard conduit boxes (max. 78 × 78) ≥ 45 mm (±2) deep and British metal standard conduit boxes (max. 75 × 75) ≥ 47 mm (±2) deep.

Symbol

Description

Symbol

Description

Keylock

Fault warning

Indoor temperature

Bus temperature

Temperature range:0...50 °C

Temperature setpoint adjustment

Parameter entry

Parameter values

Time delay timer

Valve On

Cooling mode

Heating/cooling automatic changeover

Heating mode

Return to previous level

Ventilation mode (only fan speed may change and valve actuator outputs are disabled)

Modbus communication

Parameter icon

Protection mode

Economy mode

Fan speed

  • Confirm access to present option
  • Confirm present value

Button

Description

Button

Description

‘M’ button for:

  • Mode change
  • Time delay timer
  • Return to previous level

Operating mode button for:

  • Comfort / Protection
  • Economy (3-second long-press in Comfort)
  • Confirm access to present option
  • Confirm present value

  • Scroll through parameter list and value
  • Increase Comfort setpoint
  • Increase delay time to enter Protection mode. See Operating mode for more information on "timer with delay Off" mode.

  • Scroll through parameter list and value
  • Decrease Comfort setpoint
  • Reduce delay time to enter Protection mode.

Fan button for:

  • Fan speed selection
  • Screen unlock (press and hold down the button for 3 seconds)

Enter parameter setting