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Operation
ECOTRONIC Control System
4.0 Vitoflex 300-RF ECO parameters
Green LED - flashes with an active menu
Red LED
- illuminates with excess temperature fault or Vitoflex 300-RF fault
4.1 Parameters menu
Menu designation - Vitoflex 300-RF parameter
Access menu
- Press F3 briefly
Exit menu:
- Press F3 briefly or automatically after 60 seconds
Screen number Screen text
(1)
Accumulator temperature
(2)
Boiler return temperature
(3)
Boiler inlet
(4)
Boiler flue gas
(5)
Flue gas residual O
(6)
O
regulation
2
(7)
Air vents without
O
regulation
2
(8)
Dissipate excess heat
(10)
Accumulator load at Oil/
gas operation until
(Not applicable to North
America)
(11)
Accumulator load at Oil/
gas operation until
(Not applicable to North
America)
(12)
System target
temperature minimum
56
(continued)
Parameter description
Display all temperatures
Only display if:
- Thermal storage tank is available
Set point for boiler return temperature
Set point for boiler supply temperature
Maximum flue gas temperature limit value:
If the limit value is exceeded, the air volume will be
reduced (by the speed of the flue gas exhaust blower)
Residual oxygen (flue gas residual O
2
lambda control: Primary and secondary air volume is
regulated on the basis of the residual oxygen (by air
vents).
Switch oxygen regulation on or off for emergency
operation. This system will switch to emergency
operation if the O
Position of the air vents with O
If the boiler temperature exceeds this limit value it
is possible to dissipate the excess heat using the
individual heating controllers
Up to which temperature sensor should the hot water
storage tank be loaded in oil/gas operation?
Only display if:
Thermal storage tank is available,
Oil/gas burner available on Vitoflex 300-RF ECO (Vitoflex
300-RF service)
Up to which temperature should the hot water storage
tank be loaded in oil/gas operation?
Only display if:
Hot water storage tank is available
Oil/gas burner available on Vitoflex 300-RF ECO
(Vitoflex 300-RF service) and hot water storage
tank load in oil/gas operation - Yes (Vitoflex 300-RF
parameter)
Minimum supply temperature with customer-provided
heat distribution
Only display if:
Minimum system target temperature - YES (Vitoflex
300-RF Service)
Vitoflex 300-RF Installation & Operating
) target value for
2
sensor is not functioning properly.
2
regulation switched off
2
Factory setting
-
158°F
(70°C)
176°F
(80°C)
392°F
(200°C)
7%
On
100%
95%
Lower
temperature
sensor
158°F
(70°C)
122°F
(50°C)
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