Maintenance/Special Operation - Siemens AVS75.39 Series User Manual

"Maintenance"
functions
Burner hours interval
Burner start interval
Burner hours run, burner
starts since maintenance
Flue gas temperature
limit
Delay flue gas message
DHW scalding risk
Economy function
Economy mode
188 / 239
Siemens
Building Technologies
6.20

Maintenance/special operation

Line no. Operating line
7040 Burner hours interval
7041 Burn hrs since maintenance
7042 Burner start interval
7043 Burn starts since maint
7044 Maintenance interval
7045 Time since maintenance
7053 Flue gas temp limit
7054 Delay flue gas message
7056 DHW scalding risk
7119 Economy function
Locked ¦ Released
7120 Economy mode
Off ¦ On
As soon as the selected number of burner hours run or the selected number of
burner starts has elapsed, a maintenance alarm will be displayed.
Counted for the alarm are the number of hours run and the number of starts of the
first burner stage (input E1).
The current value is summated and displayed. On this operating line, the value can
be reset to 0.
Triggers maintenance message in the display and flue gas relay K17, if configured.
Delays display of maintenance message and activation of flue gas relay (K17).
The function triggers the maintenance message "scalding risk" (Code 23) as soon
as the upper DHW temperature in the storage tank (sensor B3) exceed the set limit
value.
The maintenance message is reset once the storage tank temperature drops below
the limit value by 1°K.
"---" means that the function is deactivated.
The function is not available without storage tank sensor B3.
Locked
"Economy" mode is not possible.
Released
"Economy" mode can be activated.
Switches economy mode on or off
User manual RVS43.345
The settings in detail
CE1U2354en_021
2013-09-02