Dhw Heating - Buderus Logamatic LON-Gateway Technical Information

Network interface
3

3.2.3 DHW heating

36 Operating mode (Day/Night/
Auto)
Tab. 20 Value for changing the operating mode of DHW heating
Format:
Value Designation
0 HVAC_AUTO
1 HVAC_heat
6 HVAC_off
Tab. 21
Changing the operating modeWith the HVAC_heat / HVAC_off setting, the operating mode for
the consumer is changed externally via the LON data bus.
37 DHW set point temperature
Tab. 22 Value for changing the DHW set point temperature (DHW heating)
Set range: 86 °F to 140 °F (30 °C to 60 °C) (with approval up to 176 °F (80 °C)); in 1-degree
intervals
WARNING: Risk of scalding at the hot water taps.
There is a risk of scalding at the hot water taps if DHW temperatures can be set above
140 °F (60 °C) and during thermal disinfection.
B Select settings > 140 °F (60 °C) only if a thermostatic mixing valve is installed as
protection against scalding.
Notes:
• The set point temperature for DHW heating specifies the temperature level for the consumer in
automatic mode or day mode.
• If for DHW heating temperatures > 140 °F (60 °C) are desired, the range up to 176 °F (80 °C)
can be released on the service level in the DHW menu.
38 Recirculation pump operating
mode (D/N/A)
Tab. 23 Value for changing the operating mode of the recirculation pump
18
Technical Information Logamatic LON-Gateway - Subject to modifications resulting from technical improvements!
SNVT_hvac_mode
(108)
Description
The DHW control follows the set DHW program (automatic mode).
The DHW control operates in constant operation (manual day mode).
The DHW controls are turned off (manual night mode).
SNVT_temp_p(105)
SNVT_hvac_mode
(108)
nviHK1TgNtAt
nviWW_Set_Tp
nviZP_TgNtAt
1
2
1