Training Manual FAST EVO X/FLUENDO PLUS LNX -FAST EVO R X/BRD LNX
Page. 15 di 64
2 OPERATION LOGIC
2.1 FAST EVO X/FLUENDO PLUS LNX
When water faucet is turned on, if the water flow rate
is over (>2 l/mn), electrical impulse will be input
controller
(19)
which produced by water flow
sensor
(11).
The controller
(11)
is enabled
and it drive ignitor
(12)
to start process. Discharge electrode (4)
produce electricity spark. At the same time, it supply
power for bidirectional valve
(9 10)
and solenoid
and step motor
(20)
and solenoid coil
(21)
.
Ignitor
(12)
control step motor
(20)
make the
solenoid coil
(21),
generate magnetic force. Then
the contoller
(11)
re-controk step motor
(20)
operation valve
(7)
open to position of soft ignition.
After bidirectional valve
(9 10)
got power, normally
open valve
(9)
turn OFF, normally closed valve
(10)
tun ON. In the function of pressure, diaphragm
valve
(6)
is turned on by differential pressure.
After soft ignition light on, ionization pole
(5)
can
sense flame signal ignition
(12)
control discharge
electrode
(4)
to stop ignite.
Base on deliver water NTC
(14)
and water flow
sensor
(19)
controller can adjust deliver water
temperature to setting point by automate step motor
(7)
to open corresponding position. Water is heated
to setting temperature in heat exchanger
(2)
Overheat switch
(16)
cascade with deliver
overheat switch
(22)
detect the temperature and
mde an error .
Rod
(17),
can adjust water flow, filter (18) can pick
out the impurity of water, water flow sensor
(19)
can measure water flow rate.
2 LR20 1,5 V batteries
(13)
parallele connection.
Summary of Contents for BRD LNX
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