Displaying Service Information - Navien NCB-24LSWE Service Manual

4.4.10 Displaying Service Information

1. In <Normal operation mode> or <Error display mode>, press [ECO]+[DHW] at the same time for 5 sec to access service
information.
2. Press [+] or [-] to navigate through the user parameters.
3. The current data stored for each service item has a letter prefix followed by 3 digits of configuration data.
4. Press [Reset] once to return to <Normal operation mode>.
5. If no buttons are pressed for 1 hour, the system automatically returns to <Normal operation mode>.
Item
(A) Space heating supply
water temperature
(B) Space heating return
water temperature
(C) Domestic hot water outlet
temperature
(D) Domestic cold water inlet
temperature
40 NCB Service Manual
Description
The current outgoing space heating
water temperature is displayed/
The current incoming space heating
water temperature is displayed.
The current outgoing water
temperature is displayed.
The current incoming water
temperature is displayed.
Display
Eg.) at 60 ℃
Eg.) at 60 ℃
Eg.) at 60 ℃
Eg.) at 15 ℃
Version 1.0