Stelrad Radiator Thermostat RAS-D2 Combi Pack, Radiator Pack Instructions
Installation Guide
User Guide
Fitting the Sensor
Setting the desired room temperatures
1. Remove cap from valve
and turn sensor to
The desired room temperature is set by turning the head.
The temperatures obtained are approximately:
2. Press the sensor firmly
onto the valve.
Do not cover the thermostat
Sensor horizontal:
ensuring that the scale
pointer is at top.
The thermostat opens and closes as determined by the
temperature around it.Therefore the sensor must never be
hidden behind thick curtains, furniture, etc. Alternatively a
thermostat with remote sensor should be used.
Sensor vertical:
ensuring that the scale
pointer is at the front.
Positive SHUT-OFF feature:
Theheadcanbeturnedpastthesetting(aslightresistance
will be felt) to setting "0" at which point the water flow is
shutoffcompletely.Afteralsoshuttingthelockshieldvalve
theradiatormaybedrainedandremovedformaintenance
and decoration purposes.
3. Whilst holding the
sensor firmly on the
valve secure connection
by tightening the
Lockshield valve RLV-D is included
Allen screw using the
enclosed key.
4. Set desired room
temperature.
Removal of
protective cap
Removing the Sensor
Balancing
Loosen the Allen screw (3).
The sensor can now be separated from the valve.
What is a thermostatic radiator valve (TRV)?
... an explanation for householders.
TRVs sense the air temperature around them and regulate the flow of water through
the radiator which they are fitted to. They do not control the boiler.
They should be set at a level that gives you the room temperature you want. These set-
tings may have to be different in each room, and you should set the TRVs to suit each
room and then leave them to do their job.
Turning aTRV to a higher setting will not make the room heat up any faster. How quickly
the room heats up depends on the boiler size and setting, and the radiator size. Turning a TRV to a lower setting will
result in the room being controlled at a lower temperature, and saves energy.
TRVs need a free flow of air to sense the temperature, so they must not be covered by curtains or blocked by furniture.
TRVs cannot turn off the boiler when the whole house is warm. To do that, you will need a room thermostat as well.
The radiator in the room with the room thermostat should not normally have a TRV, but, if it does, keep the TRV on
the maximum setting and adjust the room thermostat as explained with the instructions.
| 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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