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7
7.1
Introduction
7.2
Start up
7.3
Heating cycle of the
device
Instruction manual TWI 35-130 G/TWI 45-190 G
Start up
This chapter will cover in the given order:
•
Start up.
•
Heating cycle of the device.
Start up the device by:
1.
Filling the device
(5
2.
Opening the gas valve
3.
Switching on the voltage of the device using the main switch between the
device and the electricity mains.
4.
Setting the device to the desired temperature.
This device has been equipped with an electronic hot surface igniter that ignites
the burner. There are three LEDs indicating the different operating conditions.
Green:
the device is live.
Yellow:
a heat demand has been detected; this indicates the beginning of the
ignition cycle.
Red:
the gas valve is open.
Heating cycle of the device
Supply power to the
Toestel voorzien
device
van voedingsspanning
Groene LED
Green LED on
aan
Warmtevraag
Heat demand detected
gedetecteerd
Yellow LED on
Gele LED aan
Ventilator spoelt
Fan pre-purges for about
ongeveer 6 seconden
6 seconds
voor
As soon as there is a heat demand, the fan pre-purges for 6 seconds in order
to remove any combustion gases still present. Then the fan stops and heats the
hot surface igniter for 35 seconds. After this pre-heating period, the fan starts
and the gas valve opens. This blows the air/gas mixture over the heated hot
surface igniter and ignites the burner. The hot surface igniter switches off and
subsequently works as a flame probe for measuring if the ignition has taken
place. If the hot surface igniter detects loss of the flame, it will shut off the gas
supply to the burner.
"Fill").
(3.5 "Connections
diagram").
Pre-heat for
Ongeveer 35 sec.
about 35 seconds
voorgloeien
Ventilator begint te
Fan starts running, gas
draaien, gasklep
valve open
open
Rode LED aan
Red LED on
Brander ontsteekt
Burner ignites
The device will remain in
Toestel blijft in bedrijf
operation until the heat
tot warmtevraag
demand ends
eindigt
39
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Troubleshooting
