Rational iCombi Pro Original Installation Manual page 77

The unit has a DN 40/50 unit drain. A unit drain DN 40/50 is available
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from the manufacturer separately under the article number 8720.1031.
Each unit must have its own drain connection.
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Requirements for the unit size 6-1/1 GN to 20-2/1 GN
Unit overflowing through external siphon
The unit is already equipped with an integrated siphon. A second external
siphon without aeration of the drain will cause the unit to overflow.
No external siphon may be connected to the drain connection without
upstream aeration.
You must ensure that there is a free outlet section and vent for the drain
connection.
Diameter of the unit drain: DN 50 mm [2 inch]
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A connection set for unit drain DN 40/50 is available from the manufac-
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turer under the article number 8720.1031.
Tabletop units: Each unit must have its own wastewater connection.
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Additional requirements for Combi-Duo
In addition to the requirements for individual units, please note the following for
a Combi-Duo system:
Each unit must have its own drain connection.
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For Combi-Duo with floor drain, no odour lock may be installed in the drain.
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Options
In order to reduce pressure in the drain pipe, install a riser pipe in the drain
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pipe.
Tabletop units: A 110 mm [4.33 inch] unit extension and a height-adjustable
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transport trolley for mobile oven racks are available to increase ground
clearance.
Floor units: A unit extension and extension for the mobile oven rack are
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available to increase the ground clearance.
Additional requirements for option iCareSystem AutoDose
Dirty waste water contaminating the unit
The dirty waste water must not enter the unit or the drinking water network
after cleaning.
Do not install piping systems on the safety overflow.
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Do not combine the unit with other drain systems.
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80.06.070_iCombiPro-iCombiClassic_IM_en-GB
NOTICE
NOTICE
9 | Drain connection
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