background image

Find a suitable location near to the boiler, 

leaving at least 30cm distance 

from any metal objects

 including metal wallboxes and boiler housing. 

1

   Wire the 

Receiver Box

2

   Power Up 

and Test

3

   Configure 

the System

Wire the Receiver Box

1

A)   Wall box or Rear Wiring 

Hinge open the terminal block 
flap to access the cables and 
wall box screw holes.

B)   Surface Wiring 

Use the cable clamps to 
secure the surface wiring.

C)   Replace the cover 

Locate the hinges at 
the top of the cover 
and wall plate, close 
the cover and secure 
with the screw.

Wireless

Communication

N

L

N L

B

T4R Thermostat 

Wireless Programmable Thermostat

Quick Start Installation Guide

Compatible with 24-230V on/off & OpenTherm appliances 
such as gas boilers, combi-boilers and zone valve 
applications. 

Not

 compatible with 230V electric heating.

Installation in 3 steps...

Must be installed by a competent person.

To ensure your safety make sure the mains power 

is switched OFF before accessing wiring.

EN

B

N

L

32318057-001 C

Basic 230V Boiler

Combi-Boiler

A)   Power Up the Thermostat

 

Remove the battery tab and clip the thermostat 
onto the table stand or wall bracket.

Find a suitable location for the thermostat away 
from draughts, direct sunlight or other heat sources.

B)   Power Up the Heating System and Receiver Box 

and do a quick functional test of the receiver box to check that it switches the 
boiler.

After power up 
the 

 LED

 

should be 
solid 

GREEN

Power Up and Test

2

1.2-1.5m

Wall bracket

Table stand

2-Port Zone Valve

To prevent a short circuit from a 

loose wire -

•   

When using multi-core cables:

 

Only remove enough outer 

insulation to allow secure fixing of 

the cores into the terminal block.

•   

When using single core cables:

 

Secure them together with a cable 

tie as close as possible to the 

terminal block.

Combi-Boiler

Receiver Box

T2

T1

5(3)A

Receiver Box

Basic Boiler

5(3)A

Permanent Live 

not required

Press the button 

once

 to check the 

boiler switches on - The 

button LED

 

should be solid 

YELLOW

.

Press again once to switch the boiler 
off - The 

button LED

 should go 

OFF

.

Receiver Box

V4043 

Zone Valve

5(3)A

N L

B

B

N L

  

The thermostat and receiver 
box in this pack are pre-bound.

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