Danfoss CET2000B-RF Installation guide
CET2000B-RF + RX1-S + CS2
Wireless Electronic Hot Water Cylinder Thermostat
Danfoss Heating
Installation Guide
For a large print version of these instructions
please call Marketing on 0845 121 7400.
Hearby, Danfoss A/S declares that the radio equipment type CET2000B-RF + RX1-S is in
compliance with directive 2014/53/EU.
The full text of the EU declaration of conformity is available at the following internet
address, http://heating.danfoss.co.uk/xdoccat/14_CATC-J_MNU17497125_SIT313.html
Danfoss can accept no responsibility for possible errors in catalogues, brochures, and other
printed material. All trademarks in this material are property of the respective companies.
Danfoss and the Danfoss logotype are trademarks of Danfoss A/S. All rights reserved.
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CET2000BRF
Product Specications
CET2000B-RF RX1-S
Operating Voltage
Output Relay - 1 x SPDT Type 1B
Switch rating - 3A (1) at 230Vac
Output - Volt free
Setting temp. range 40-65°C Maximum ambient temp. 0-45°C
Battery lifetime 2 years Max. range 30 metres
Operating frequency 433.92MHz <1mW ERP
IP Rating IP20 IP40
Control On-O
Operating mode Domestic Hot Water Heating
Construction EN 60730-2-9 EN 60730-1
Control pollution situation Degree 2
Rated impulse voltage - 2.5kV
Ball pressure test 75°C
Dimensions H84 x W84 x D35 H84 x W84 x D28
Software classication A
Important note RF products: Ensure that there are no large metal objects, such as
boiler cases or other large appliances, in line of sight between the transmitter and
receiver as these will prevent communication between thermostat and receiver.
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2.5 – 3 VDC
(2xAA alkaline batteries)
230Vac 50Hz
3
ylinder
For insulation thicker than 25mm
and up to 55mm thick, use the
extra cover supplied as a spacer to
ensure that the sensor is held in
firm contact with the cylinder wall.
Installation
This product should only be installed by a qualied
electrician or competent heating installer, and must be
in accordance with local wiring regulations.
!
1. The clamp on sensor should
be mounted onto the
cylinder wall at a height
equivalent to ½ the height
of the cylinder. Care should
be taken to remove any
insulation material from
the cylinder and to ensure
that the copper surface of
the cylinder is clean. See
diagram opposite for details.
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CET2000B-RF
1/2 c
height
2. Before attaching the sensor to the cylinder using the strap
provided, connect a 2-core cable to the sensor to allow
interconnection to the thermostat setting unit.
3. Apply the contact paste provided to the part of the sensor
in contact with the cylinder and clamp the sensor to the
cylinder wall.
A spacer piece is provided for use with cylinders that have
thick insulation (see page 6).
4. Mount the thermostat wallplate on to a wall next to the
cylinder. Connect the cable from the sensor to terminals 1
& 2 of the wallplate (see wiring diagram on page 7).
5. Now mount the thermostat setting unit onto the wallplate
(see diagrams on page 9).
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