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Main components
13.2.
Control system
13.2.1.
Component
Electronic board 22 (see p.
Wiring
Hydraulic system
13.2.2.
Component
13.1
Heat exchanger 4 (see p.
Pump 19
Air duct valve 20
Expansion tank 21
Gas system
13.2.3.
Component
Burner block (burner) 5
13.1
(see p.
, page 24)
Igniter 23
Ignition plug 6
Smoke exhausting system
13.2.4.
Component
Fan 2 (see p.13.1, page 24)
Regulation devices
13.2.5.
Component
Gas supply regulator 8
13.1
(see p.
, page 24)
CH temperature sensor 10
DHW temperature sensor 14
DHW flow sensor 15
Safety devices
13.2.6.
To control boiler's operation and ensure safety in
13.1
, page 24)
case of emergency
A set of cables for connecting a board with sensors,
components and mechanisms
To transfer produced heat while gas burning to the
, page 24)
heat carrier, transfer heat from heat carrier to water
of DHW system.
A component to create a compulsory water
circulation
Automatic air removal out of the heating system
Compensation of water expansion in CH as a result
of heating
Mixing gas and air and ensuring uniform
combustion of gas-air mixture in the combustion
chamber
Forming a spark on the ignition plug
To create a spark for igniting of the gas-air mixture
on the burner
Compulsory removal of combustion products
For gas
Regulate gas supply to the burner block
For water
Measuring temperature of the heat carrier. Signal
from the sensor is applied for maintaining set
temperature of heat carrier in CH
Measuring water temperature in DHW. Signal is
applied for maintaining DHW set temperature
Defining DHW water flow. Signal from the sensor
is applied for rendering boiler into the DHW mode
while opening a hot water tap
Function
Function
Function
Function
Function
User's manual
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