Danfoss RAS-C2 Radiator Thermostat Installation Guide
Installation Guide
User Guide
Fitting the Sensor
Setting the desired room temperatures
The desired room temperature is set by turning the head.
The temperatures obtained are approximately:
1. Remove cap from valve and turn sensor to
2. Make sure union nut
is turned loosely up
towards the sensor
body until it is only
slightly free of the lower
part of the sensor body.
3. Press the sensor
firmly onto the valve.
Sensor horizontal:
ensuring that the
scale pointer is at top.
Sensor vertical:
Do not cover the thermostat
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.
ensuring that the
scale pointer is at
the front.
Positive SHUT-OFF feature:
4. Whilst holding the
sensor firmly on
the valve secure
connection by
Theheadcanbeturnedpastthesetting(aslightresistance
will be felt) to setting "0" at which point the water flow is
shutoffcompletely.Afteralsoshuttingthelockshieldvalve
theradiatormaybedrainedandremovedformaintenance
and decoration purposes.
turning union nut
clock-wise by hand.
5. Whilst still holding the
sensor firmly on the
valve, tighten the grey
union nut to 5Nm,
using parrot
Lockshield valve (type RLV-D) is only included
nose pliers.
6. Set desired room
temperature.
Removing the Sensor
Turn the sensor to max. position Turn union nut anti-
clockwise to release lockingmechanism (4). 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
settings 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 a TRV 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 set-
ting 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.
© Danfoss Climate Solutions| 01/2024 | AN026986406650en-010801 (013R9355)
| General | Details |
|---|---|
| Name | Danfoss RAS-C2 Radiator Thermostat Installation Guide |
| Make | Danfoss |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.11 MB |
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