Danfoss CET2000B-RF Wireless Cylinder Thermostat Installation Guide

Danfoss CET2000B-RF Wireless Cylinder Thermostat

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 catalogs, 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.

Product Specifications

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

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.
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.
   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.

Sensor Wiring

Cable specification: minimum cross section 0.5mm2

Installation – RX1-S Receiver unit

Please Note: This product should only be installed by a qualified electrician or competent heating installer, and must be in accordance with local wiring regulations.

Mounting – CET2000B-RF

Hard Wired Heating with Wireless Hot Water Control, 3 Port Mid-Position Valve

Wireless Heating and Hot Water Control, using 2 x 2 Port Valves Hard Wired Heating with Wireless Hot Water Control, 2 x 2 Port Valves Wireless Heating & Hot Water Control, with 3 Port Mid Position Valve

Key Lock

Slide the DIL switches to the settings required

To avoid unwanted tampering of the required hot water temperature the CET2000B-RF includes a key lock feature which disables the Λ and V buttons. First set the required hot water temperature using the Λ or V button. Then slide internal DIL switch 4 to the locked position and mount the CET2000B-RF back on its wallplate (as shown on page 9).

Commissioning

If the thermostat CET2000B-RF and receiver RX1-S have been supplied together in a combined pack, the units have been paired in the factory and no commissioning is required. If the thermostat and receiver have been supplied separately follow the steps below to pair the devices.

1. Step 1 RX1-S – Ensure RX1-S is wired in accordance with instructions on page 8.
2. Step 2 CET2000B-RF – Insert 2xAA alkaline batteries. If the CET2000B-RF is not already paired to the RX1-S it will enter it’s learning mode shown by the flashing aerial icon.
3. Step 3 RX1-S – Press and hold down both the PROG and CH buttons. The PROG LED will light for 1 second when it has paired with the CET2000B-RF. Release buttons
   A steady aerial icon on CET2000B-RF confirms that the devices are now paired and ready for control of your domestic hot water system.

Danfoss Ltd Ampthill Road Bedford MK42 9ER

Tel: 01234 364621
Fax: 01234 219705
Email: ukheating@danfoss.com
Website: www.heating.danfoss.co.uk

REFERENCE

Download Manual

Danfoss CET2000B-RF Wireless Cylinder Thermostat Installation Guide

OTHER MANUALS

Danfoss CET2000B-RF Wireless Cylinder Thermostat User Guide

Danfoss CET2000B-RF Wireless Cylinder Thermostat Data Sheet

Danfoss CET2000B-RF Wireless Cylinder Thermostat Installation Guide