Viega 2281.7, Инструкция по эксплуатации

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2.3.4 Markings on components
The model is marked as follows:
n
flow direction indicator
n
Dimension
n
DVGW writing
n
position indicator for operating mode
n
green dot for potable water
2.3.5 Compatible components
The model is equipped with press connections and compatible with the
Profipress, Sanpress and Sanpress Inox system.
The press connections are tested and approved according to the appli‐
cable regulations with the following pipe types:
n
Copper pipes
– see Ä „Regulations from section: Compatible components“
on page 7
n
Stainless steel pipes (material 1.4401 / 1.4521)
– see
Ä
„Regulations from section: Compatible components“
on page 7
2.3.6 Operating mode
The valve cone of the CRV is equipped with a flexible material element.
The flexible material element reacts to changes in the temperature of
the hot water in the circulation circuit.
Difference between target and
actual value:
The CRV changes flowthrough
volume and regulates the
water temperature in this way.
Target value underrun: Valve opens.
Target value exceeded: Valve closes.
Target value and actual value
match:
Hydraulic / thermal calibration is
completed.
Pipes
Circulation regulation valve (CRV)
Product information
Easytop circulation regulation valve S/E with SC-Contur 11 from 27