9
1.3 Glossary
Term Explanation
Actuator This is a component which carries out a certain function in the hea-
ting system, e.g. the stoker auger.
Delivery system Fuel transport system - carries fuel from the bunker to the dosing
unit or to the intermediate container.
Feeding system Feeds the fuel to the boiler by means of the rotary feeder and the
stoker auger.
Display Display of the HDG Compatronic control unit.
Ash removal motor Drives the ash removal augers.
Ash removal augers These transport the combustion chamber ash and fly ash into the
exterior ash containers.
Wood chips, B1 Machine-chopped wood with a water content of between 15 to 35
percent (in accordance with EN 303-5).
Main switch Switches off the mains supply to the entire heating system.
HDG Compact 25 - 80 Boiler for burning wood chips, shavings and wood pellets.
HDG Compatronic Electronic control unit of the boiler, feeding system and delivery
system.
HDG Hydronic Heating system regulator for controlling the hydraulic systems.
Heating system Comprised of boiler and corresponding accessories.
Extinguishing device Extinguishes what is within the delivery system if the temperature
of the contents exceeds 90°C.
EMERGENCY STOP switch Must be used in an emergency - interrupts all actuators; does not
switch off the mains supply to the entire heating system.
Grate tilting motor Electric motor which moves the tilting grate.
Sensor Records certain parameters (temperature, fill level) and forwards
them to the control for analysis.
Stoker auger Carries the fuel from the rotary feeder into the combustion cham-
ber.
Rotary feeder Part of the feeding system - separates the combustion chamber
from the silo and transport unit and acts as back-burn protection.
Table 1/2 - Glossary
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