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Introduction 

340009 is an RF thermostat. The Room Unit 

communicates with the relay Box on an 868MHz 

Radio Frequency (RF) to control a single heating 

system component such as a boiler, pump or zone 

valve. Neither product will communicate with 

other RF products that use different frequencies or 

communication protocols.

Note: The RF link between the Room Unit and 

Relay Box is pre-configured at the factory so 

these units should be installed together at the 

same site. 

If the units become separated or one of 

them needs replaced, they will need to be 

bound

 

together – see 

Binding

 or 

Re-Binding

 

Procedure

.

The Relay Box is a RF device. For 

the best performance install in an 

open space. Leave at least 30cm 

distance from any metal objects 

including wall boxes and boiler 

housing.

Do not mount on metal wall 

boxes.

EMC compliance considerations

Keep AC mains supply/load cables 

separate from signal wiring.

NOTE: 

The Relay Box contains no 

user serviceable parts. It should 

be opened and installed by a 

qualified installer only.

WARNING:

 Electrostatic sensitive 

device! Do not touch the circuit 

board.

Specification

Installing the Relay Box

Installation Guide

for 340009 (EHE0200364) RF Thermostat

Power Supply:  230Vac, 50–60 Hz (Relay Box) 

2 x AA Alkaline batteries (Room Unit)

Switch Rating: SPDT, 24 to 230Vac, 50–60 Hz, 5(3)A

Hereby, Wolseley declares that this thermostat complies with the 
essential requirements and other relevant provisions of Directive 
R.E.D.: 2014/53/EU. Receiver Category 2. Max RF power: 25mW. 
Operating frequency: 868.3MHz (868.0 to 868.6MHz). 
The full text of the EU Declaration of Conformity is available at 
the following Internet addresses:
www.wolseley.co.uk        www.plumbcenter.co.uk
www.partscenter.co.uk    www.climatecenter.co.uk

1

2

3

b.

= M3.5

= N

o

6

< 7mm Ø

> 7mm Ø

*   To change from Heating to Cooling Mode, press and 

hold both 

 and 

 buttons together for 3 seconds

Binding or Re-Binding Procedure

Only Bind or Re-Bind if the units become 

separated or one of them needs replaced.  

No need to re-connect after power cuts or 

battery replacement.

1.  Put the Relay Box into 

Binding Mode

a.  Press and hold the Relay Box button for 

15 seconds to cancel any prior Binding 

information

b.  After releasing the button, hold it down 

again for 5 seconds until the red light flashes 

evenly

2.  Put the Room Unit into 

Binding Mode

a.  Press and hold the   button for 2 seconds, 

then hold the 

 and 

 buttons together until 

the screen displays 

Inst

b.  Press the 

 button so the screen displays 

COnt

c.  Press the 

 button repeatedly until the 

screen displays 

CLr

. Then press   to clear 

any previous binding to other devices

d.  Press the 

 button again to return to Binding 

Mode, where the screen displays 

COnt

3.  Press the   button to send the Binding signal  

to the Relay Box. If successful, the red light on 

the Relay Box will stop flashing and turn off.  

In a few seconds the Room Unit will return to 

normal operation, in Standby mode

Ref: 4277

Whilst every care has been taken to ensure that the information included in 

this document was accurate at the time of printing, we reserve the right to 

change specifications at any time.

The photographs reproduced in this publication are within the constraints of 

the printing process and are NOT to be used for matching purposes. E&OE. 

Wolseley UK, The Wolseley Center, Harrison Way, Spa Park, 

Royal Leamington Spa, CV31 3HH

For further information telephone 0344 292 7062

Parameter

Description

Default Value

Setting options

Ot

Minimum boiler on/off time 

1 minute

1 to 5 minutes

Cr

Boiler cycles per hour 

6 cycles per hour

3, 6, 9, 12 cycles

Pb

Proportional Band Width 

1.5°C

1.5 to 3.0°C

tO

Temperature Offset 

0 = no offset

+3 to -3°C

uL

Maximum set temperature limit 

35°C

21 to 35°C

LL

Minimum set temperature limit 

5°C

5 to 21°C

HC

Heating/ Cooling changeover enable 

0 = no changeover

1 = changeover allowed*

OS

Frost Protection temperature 

5°C

5 to 16°C

LC

Loss of Communications instruction

0 = switch off 

0 or 1 = operate 20% on

FS

RESET to factory defaults 

0 = no change 

1 = restore factory settings

Relay Box button

Red light

2a.

2b.

2c.

2d.

turns Off

CL

 

25.

0

c

C0

C0

32331221-001 B

WEEE Directive 2012/19/EU

At the end of the product life dispose 
of the packaging and product in a 
corresponding recycling centre. 
Do not dispose of the unit with the usual 
domestic refuse. Do not burn the product.

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