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Time period – switch-on condition
tDTO
Time period – switch-on condition
Adjustment range: 1 … 100 s
Factory setting: 60 s
The parameter
tDTO
is used for adjusting the time period during which the
switch-on condition must be permanently fulfi lled.
Filling time
tFLL
Filling time
Adjustment range: 1.0 … 30.0 min
Factory setting: 5.0 min
The fi lling time can be adjusted using the parameter
tFLL
. During this period, the
pump runs at 100 % speed.
Stabilisation
tSTB
Stabilisation
Adjustment range: 1.0 … 15.0 min
Factory setting: 2.0 min
The parameter
tSTB
is used for adjusting the time period during which the
switch-off condition will be ignored after the fi lling time has ended.
Thermal disinfection of the upper DHW zone
OTD
Therm. disinfection function
Adjustment range: OFF / ON
Factory setting: ON
PDIS
Monitoring period
Adjustment range: 0 … 30:0 … 24 h (dd:hh)
Factory setting: 07:00
DDIS
Disinfection period
Adjustment range:
0:00 … 23:59 (hh:mm)
Factory setting: 01:00
TDIS
Disinfection temperature
Adjustment range: 0 … 95 °C [30 … 200 °F]
Factory setting: 60 °C [140 °F]
Reference sensor for this function is S3. R2 is the reference relay.
This function helps to contain the spread of Legionella in DHW stores by system-
atically activating the backup heating.
