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Stelrad Radiator Thermostat RAS-D2 Combi Pack, Radiator Pack Instructions

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INSTRUCTION

Radiator Thermostat RAS-D²Combi Pack / Radiator Pack

BI-DIRECTIONAL ANGLED VALVE WITH FLOW-SELECTABLE FEATURE

Installation of valve

Troubleshooting

The valve is a bi-directional valve * and can be installed In the unlikely event of water hammer being encountered

horizontally or vertically in either the ﬂow or return pipe.

turn the setting ring (see diagram 4) to the other setting.

A built in flow direction selection feature can be used to Alternatively if commissioning the whole system, establish the

eliminate the risk of water hammer. We recommend using a ﬂat ﬂow direction through each valve using the diagrams below.

faced adjustable spanner and a soft cloth to protect the chrome If the ﬂow direction needs to be changed there is no need to

surfaces when tightening up the connections.

remove the valve, simply turn the setting ring.

Open one valve and determine ﬂow

direction. Which pipe heats ﬁrst?

Close all radiator valves by turning

the valve cover cap clockwise. Leave

system to cool.

Start boiler/heating.

Setting ring

Remove cap and turn setting ring ac-

cording to the drawings - the setting

ring is turned by hand only.

Repeat step 3 and 4 until all valves have been

set correctly. Sensor may now be ﬁtted or the

valve cap temporarily reﬁtted.

* Maximum pressure drop should not exceed 0.45 bar

013R9689 | 12/2022

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General	Details
Name	Stelrad Radiator Thermostat RAS-D2 Combi Pack, Radiator Pack Instructions
Make	Stelrad
Language	English
Filetype	PDF (Download)
File size	0.14 MB

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