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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Product Specifications

	CET2000B-RF		RX1-S
Operating Voltage	2.5 – 3 VDC		230Vac 50Hz
	(2xAA alkaline batteries)
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-Off
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 classification	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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Installation

!This product should only be installed by a qualified 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.

1/2 cylinder height

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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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