HDG Navora 20, Operation Manual

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1 Notes on this manual – Glossary
8
1.3 Glossary
Term Explanation
Actuator This is a component that carries out a certain function in the
heating system, for example the thermal safety device (TAS).
Display Display on the control unit HDG Lambda-Control 1 plus/2 plus.
HDG Lambda-Control 1 plus Microprocessor controller to regulate combustion, return
temperature control and the heating of the accumulator.
HDG Lambda-Control 2 plus Microprocessor controller to regulate combustion, return
temperature control, heating of the accumulator, various heating
circuits, domestic hot water, a second boiler and a supporting solar
system.
HDG Navora Boiler for burning untreated wood.
Lambda sensor Electrical component which monitors residual oxygen levels in the
flue gas.
Reload signal Electrical signal (in the form of an LED on the Lambda Control
panel) which serves as a prompt to reload the fuel chamber.
Flue gas fan Creates a vacuum inside the boiler and provides the boiler with air
for combustion.
Sensor Monitors certain parameters (e.g. temperature) and sends them to
the control system for analysis.
Safety temperature limiter An automatic device that interrupts and locks the supply of energy
and combustion air when the maximum permissible boiler
temperature is reached. The energy supply or combustion air
supply can only be re-enabled after the boiler temperature has
fallen below a preset limit and has been reset by hand or by means
of a tool.
Plug board Pre-fabricated connection strip for electrical components.
Thermal safety device Safety device that allows cold water to flow through the safety
heat exchanger if the boiler becomes too hot.
Table 1/2 - Glossary