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It will be adventageous to use a lifting equipment for hanging the device on the HANGING PLATE.
For the achieving a robust structure, please use the screw + dowel couples which are included in
the dowel hole (after screwdriving the wall).
the boiler is as seen above.
3.4.
Electrical Wiring Diagram and DHW Circuitry
The system should be comissioned with the needed connections in order to also control the three-
way-valve and an accumulation tank as in the example below. This example will help you to get an
insight about a better understanding of using your condensing boiler also for domestic hot water
(DHW) production and storage (in an accumulation tank).
The below table can be used for determining the cross sectional areas and the maximum cable
lengths for the wiring. These informations are only for sensor cables.
Rev: RINNAI Service manual (English)
Date:14/05/2019
couples. It will also be beneficial to inject a post-drying chemical into
In case of cascade system installation, connect the B3/38 (QX3) DHW
sensor to the same line terminal of the current boiler as the DHW
tank pump. This is an adviced issue for field operations.
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