Burstner I 2012, Instruction Manual

Page: 102 / 292

102
I-Modell - 11/12 - Ausgabe 09/11 - 2096165 - BUE-0056-05EN
Gas system
7
Only the electrical functions can be switched at the operating unit (Fig. 122).
The regulator taps on the gas bottles (Fig. 121,7) and the release buttons
(Fig. 121,6) must be opened manually.
The reversing valve provides a constant gas pressure, regardless of which gas
bottle is being drawn upon. The display in the reversing valve shows the filling
level of the primary bottle. The gas supply comes from the primary bottle when
the display is green. When the display is red the primary bottle is empty. In this
case, the reserve bottle is used for the gas supply.
The indicator lamp on the operating unit shows the condition of the gas
system. The system is okay when the indicator lamp (Fig. 122,1) lights up
green. When the indicator lamp lights up or flashes red a fault has occurred.
The gas supply is interrupted.
Putting into operation:
„
Open the regulator taps of the gas bottles (Fig. 121,7).
„
Press the release buttons (Fig. 121,6) successively for 10 seconds.
„
Use the knob (Fig. 121,3) on the reversing valve (Fig. 121,4) to select the
gas bottle which is to be the primary source of gas (primary bottle).
Always turn the knob as far as it will go.
„
Switch on the switching facility on the operating unit (Fig. 122).
For this, set the rocker switch (Fig. 122,2) to "ON". The reversing valve is
now deaerated. The indicator lamp (Fig. 122,1) flashes yellow (system
test) and lights up green.
Switching off:
„
Set the rocker switch (Fig. 122,2) to "OFF". The indicator lamp (Fig. 122,1)
goes out.
„
Close the regulator taps of the gas bottles (Fig. 121,7).
Changing gas bottles:
„
Turn the knob on the reversing valve. The display is green again.
Should the display stay red the reserve bottle is also empty and has to be
changes as well.
„
Close regulator tap on the empty gas bottle.
„
Unscrew the gas tube of the gas bottle.
„
Release the fixing belts and remove the gas bottle.
„
Place a new gas bottle in the gas bottle compartment.
„
Fix gas bottle in place with the fixing belts.
„
Connect the full gas bottle to the gas tube.
Fig. 122 Operating unit
X
When changing gas bottles, do not smoke or create any open fire.