4 | Operating the System
26
B1510622_en | Operating instructions Firewood boiler S4 Turbo
4.3.5 Reload quantity calculation
The reload quantity calculation is used to display on the control how much firewood is
required to refill the boiler based on the current storage tank fill level. It does not take into
account boiler efficiency, pipe losses and the energy required to heat the boiler and
heating system.
Requirements for function:
1. Four temperature sensors installed in storage tank
2. Correct storage tank size specified
3. Reload quantity calculation activated
The control displays the following menu when the insulating door is opened:
A
B
C
Item
Description
A
Graphic representation of required reload quantity
B
Fuel selection
▪ Soft wood
▪ Mixed wood
▪ Hardwood
C
Required reload quantity in kg, for example
▪ about 17 kg of firewood is needed to fully load a 2,000 l storage tank
▪ Sufficient heat available, do not heat/reload