9 | Wastewater connection
80.06.083_iCombi Pro-iCombi Classic_IM_V01_en-US 65 / 84
Requirements for device sizes 6 half size GN to 20 full size GN
NOTE
Overflow of the device due to external siphon
The device is already equipped with an integrated siphon. A second, external
siphon without ventilation of the drain section causes the device to overflow.
No external siphon may be connected to the wastewater connection without
upstream ventilation.
Make sure that there is a free outflow zone or vent at the wastewater
connection.
n
Diameter of the device outlet: DN50mm [2 inch]
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A connection set for the device drain DN 40/50 is available from the manu-
facturer under item number8720.1031.
n
Tabletop devices: Each device must have its own wastewater connection.
Additional requirements for Combi-Duo
In addition to the requirements for the individual devices, note the following for
a Combi-Duo setup:
n
A separate wastewater connection must be used for each device.
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For the Combi-Duo with a floor drain, there must be no siphon installed at
the drain.
Options
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Install a riser pipe on the drain pipe to reduce pressure on the drain pipe.
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Tabletop devices: A 110 mm [4.33 inch] device extension and a height-ad-
justable transport trolley for support rack trolleys are available to increase
ground clearance.
n
Floor devices: A device extension and extension for the support rack trolley
are available to increase the ground clearance.
9.2 Connecting the wastewater drain
a The drain pipe is resistant to steam temperature.
1. Connect the drain pipe DN50 mm [2 inch] (for device size XS: DN40 mm
[1.5 inch]) with a constant gradient of at least5% or 3° (1.4inch/foot). Use
a 90° elbow as the first pipe piece for the drain pipe.
2. Align the drain pipe to the side, straight or leading downwards.
Device size XS GN
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