*only displayed in operating status “Boiler OFF“ **display depends on boiler type
V1 set ---.-%
Air flap position V1-primary actuator.
V1 ---.-%
**
)
V1-primary actuator positioning feedback.
V2 set ---.-%
Air flap position V2-secondary actuator.
V2 ---.-%
**
)
V2-secondary actuator positioning feedback.
Flue gas fan Level 2
Possible settings: “Level 2” / **
)
“Level 1” / “Pause” / “OFF”.
Note: Level 2, high speed / level 1, reduced speed / pause, if switched from high to reduced speed.
Load pump ON
Possible settingss: “ON” / “OFF”.
Load pump M1 (transport pump – accumulator load pump)
Return valve ---.-%
Return valve position Y1.
Load valve ---.-%
Load valve position Y2.
**) display depends on boiler type