Lochinvar 402 - 2072 Access modes, User, Installer, Operating information continued

Installation & Operation Manual

7 Operating information (continued)

Access modes

User

The user can adjust the space heating target temperature and the tank target temperature (if a tank sensor is used) by using the UP and DOWN buttons (FIG. 7-1) 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

•Appliance 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 Copper-fin II Service Manual.

Saving parameters (reference the Parameter Table in the Copper-fin II Service

Manual)

To save parameters and exit programming:

Press the ENTER/RESET button, then the MENU/EXIT button 3 times.

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 Copper-fin II Service Manual for a detailed description of parameters and access modes.

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