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8
Gas system
Construction of the unit
Operating modes
Putting into operation:
70
Fig. 51
Duomatic switching facility
The Duomatic switching facility consists of a central regulator (Fig. 51,3) and
a switching regulator (Fig. 51,5). The knob (Fig. 51,6) on the switching regu-
lator is used to select which of the gas bottles is to be used as a primary bottle
and which is to be used as a reserve bottle.
Both regulators are equipped with a pressure controller and the regulator
defroster Eis-Ex. This prevents damage to the gas system during the winter
months.
The manometer (Fig. 51,2) on the central regulator indicates the pressure in
the gas bottle, not the filling level of the gas bottle. The manometer can be
used to test the impermeability of the gas bottle.
Only the electrical functions can be switched at the operating unit (Fig. 52).
The regulator taps on the gas bottles (Fig. 51,1 and 4) must be opened man-
ually.
The central regulator provides a constant gas pressure, regardless of which
gas bottle is being drawn upon. The two indicator lamps on the operating unit
show which gas bottle can be used to provide gas. When both indicator lamps
are illuminated, the position of the knob on the switching regulator indicates
which gas bottle is currently being drawn upon.
When operating with only one gas bottle (e.g. during the summer) connect
the central regulator to this bottle. Position the knob on the switching regu-
lator in the red area.
The Duomatic switching facility has two operating modes:
Winter operation "On and heating"
Summer operation "On"
Open the regulator taps on the gas bottles (Fig. 51,1 and 4).
Use the knob (Fig. 51,6) on the switching regulator (Fig. 51,5) 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.
When the knob is in the red area, the gas is taken primarily from the gas
bottle with the central regulator (Fig. 51,3).
When the knob is in the green area, the gas is taken primarily from the gas
bottle with the switching regulator (Fig. 51,5).
Switch on the Duomatic switching facility at the operating unit (Fig. 52).
To do so, set the rocker switch (Fig. 52,2) to winter operation "On and
heating" (Fig. 52,4) or to summer operation "On" (Fig. 52,6). Both gas pres-
sure regulators are now ventilated. The operating indicator (Fig. 52,3)
lights up.
Fig. 52
Operating unit
Globetrotter XXL - 11-06 - DET-0047-01
EN
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