Danfoss RAS-C2 Combi Gebrauchsanweisung
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INSTRUCTION
Radiator Thermostat RAS-C
BI-DIRECTIONAL VALVE WITH FLOW-SELECTABLE FEATURE
Installation of valve
The valve is a bi-directional valve * and can be installed
horizontally or vertically in either the flow or return
pipe.
A built in flow direction selection feature can be used to
eliminate the risk of water hammer.
1
Close all radiator valves by turning
the valve cover cap clockwise.
Leave system to cool.
Keymark reference: This package contains sensor 013G6040, valve 013G6281 (15mm) or valve 013G6283 (8/10 mm)
4
Remove cap and turn setting
ring according to the drawings -
the setting ring is turned by hand
only.
5
Repeat step 3 and 4 until all valves have
been set correctly. Sensor may now be fit-
ted or the valve cap temporarily refitted.
* Maximum pressure drop should not exceed 0.45 bar
Combi
2
Troubleshooting
In the unlikely event of water hammer being encountered
turn the setting ring (see diagram 4) to the other setting.
Alternatively if commissioning the whole system,
establish the flow direction through each valve using
the diagrams below.
If the flow direction needs to be changed there is
no need to remove the valve, simply turn the setting
ring.
2
Start boiler/heating.
3
Open one valve and determine
flow direction. Which pipe heats
first?
Setting ring
VISXM302/Danfoss DKCD 05/2011