9
•
Gains - This parameter enables the user to check how much energy was gained in different time periods: daily,
weekly, monthly, annually and temporary.
NOTE
Statistics provide only approximate data to illustrate roughly the energy gain.
•
Collector overheats
- this submenu shows a list of collector overheats (instances of too high temperature
detected by the collector sensor). The user may view:
- Date of the overheat incident
- Time
- Duration
- Reading from collector sensor
•
Power failure
- this submenu shows a list of power failures registered by the controller. The user may view:
- Date
- Time
- Duration
2.7.
BACKLIGHT
This parameter is used to adjust the screen brightness. The screen brightness changes after a few seconds of inactivity.
2.8.
DISPLAY CONTRAST
This parameter is used to adjust the display contrast.
2.9.
LANGUAGE
This option is used to select the language version of the controller menu
.
2.10.
INFORMATION
Once this option has been selected, the display shows the controller manufacturer’s logo and current software version
.
2.11.
FACTORY SETTINGS
This function is used to restore factory settings saved previously in the service menu
.
V.
SERVICE MENU
While viewing the service menu function the user must remember that EU-402N controller may support different heating
installation schemes and selecting a different scheme results in changes in the service menu layout. Additional parameters
are marked with * in the following block diagram.
*
parameters available only in certain installation schemes
**parameters not available in certain installation schemes