THERMOSTAHL MPB 50, Installation And Service Manual

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By pressing the button “ MODE / “ changes the operation from “ Ignition ” to “ Automatic ”.
4. In “Automatic mode”, starts the operation of the burner.
5. When the photo sensors detects fire, then the burner starts its “Work” by increasing its power
gradually to the power it has been set (i.e 30kW)
6. When the boiler's water temperature reaches the desired temperature “HEATING WATER
TEMPERATURE “, the the power of the burner goes down ta 3kW ( Maintain mode )
7. The burner works at “Maintain mode” till the boiler's water temperature goes down to the
temperature:
“HEATING WATER TEMPERATURE - CH FURNACE HYSTERESIS”
12. Stop of the burner
1. The burner can be either at “ Work ” or “ Maintain ” or “ standby ”
2. Press the button “ MODE / “continuously till “ STOP MODE ” appears on the screen.
3. It is written “ Burning off ” till the photo sensor stops to detect fire (3-5 min)
4. When the photo sensor stops to detect fire, “cleaning procedure takes place for few seconds.
13. Cleaning burner's chamber
1. The burner can be either at “ Work ” or “ Maintain ” or “ standby ”
2. Press the button “ MODE / “ continuously till “ STOP MODE ” appears on the screen.
3. It is written “ Burning off ” till the photo sensor stops to detect fire (3-5 min)
4. When the photo sensor stops to detect fire, “cleaning procedure takes place for few seconds.
5. When “ Stop ” appears on the LCD screen, waiting few minutes till the burner cools down.
6. Open the boilers door, clean the burners tube and close back the door.
7. By pressing the button “ MODE / “ once changes the operation from “ Stop ” to “ ignition ”.
By pressing the button “ MODE / “ changes the operation from “ Ignition ” to “ Automatic ”.
** The frequency of cleaning burner's chamber is depended on wood pellet quality. If
premium pellet is used, It is suggested the burner's chamber to be cleaned once a
week.