Lochinvar 399 Operating information, Installation & Operation Manual, Access modes, User

Installation & Operation Manual

11 Operating information

Access modes

User

The user can adjust space heating target temperature by using the UP and DOWN buttons (FIG. 11-1) at any time during normal operation. By entering the USER code (0704), the user can also change temperature units, time and date, and night setback settings. In User Mode, the following parameters can be viewed but not changed:

•Boiler outlet water target temperature in DHW Mode

•Boiler model number

•Software version

•Total operating hours

•Total cycles

Installer

Most parameters are available only to the installer, accessible only by entering the installer access code, see the Knight XL Service Manual.

Saving parameters (reference the Parameter Table in the Knight

XL Service Manual)

To save parameters and exit programming:

Press the ENTER/RESET button.

To keep parameter settings only for a current operating cycle:

Press the MENU/EXIT button 3 times after making all desired parameter changes.

To enter a parameter and continue programming:

Press the MENU/EXIT button 1 time to return to the parameter listings; press again to return to the menu listings. Remember to press the ENTER/RESET button when finished programming in order to save the changes made.

See the Knight XL Service Manual for a detailed description of parameters and access modes.

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