
TR1 TR2 RF Transceiver Pack
Page 1 of 2
Operating Instructions
Contents
1. Specications & wiring
2. Mounting
3. Installation
4. Button / LED description
5. To connect the TR1 to TR2
6. To disconnect the TR1 and TR2
7. Wiring examples
Impor tant: Kee p this document
Prior to operation, it is neccessary to complete all required settings described in this section.
The TR1 and TR2 RF Transceiver Pack is used to establish a wireless link
between 2 locations. It can wirelessly send a signal from the TR1 to the
TR2 and from the TR2 back to the TR1 if required.
1. Specications & wiring
Power Supply: 230 Vac 50Hz
Contact Rating: 250 Vac 10(3)A
Ambient Temp: 0 ... 50°C
Internal wiring diagram TR1 Internal wiring diagram TR2
C LL
COMMON
FOR RELAY
Switch out from TR1
when the TR2 gets
230V to it’s Lin
inLout
MAINS
SUPPLY
Live in from
timeclock to TR1
to send activation
signal to
the TR2
Class II appliance
Pollution degree 2: Resistance to
voltage surge 2500V; as per EN 60730
N
COMMON
FOR RELAY
Switch out from TR2
when the TR1 gets
C LL
230V to it’s Lin
N
inLout
MAINS
SUPPLY
Live in from
motorised valve
Aux - 230V, to send
activation signal to
the TR1
CAUTION!
Before commencing any work on the electrical
connections, you must rst disconnect the device from
the mains. None of the 230V connections must be live
until the installation has been completed and the housing
is closed. Only qualied electricians or authorised service
sta are permitted to open the terminal box.
There are parts that carry mains voltage behind the cover.
The terminal box must not be left unsupervised when
open. (Prevent non specialists and especially children
from gaining access to it.)
Ensure that this wireless enabled receiver is installed 1
metre from any metalic object, television, radio or wireless
internet transmitter.
4. Button / symbol description
Connect button
Manual override
Wireless connect: Once voltage has been applied this button may be
pressed to initialise the pairing process with the wireless thermostat. Once
pressed the green LED will begin to ash.
Manual override: This button will manually override the system. (Only when
disconnected)
Wireless connect indicator: This LED will ash on receiving wireless signals.
If it is constantly ON, the TR1 transceiver has been disconnected from the
wireless thermostat.
System ON
(Green LED)
Reset button
Wireless connect
indicator (Red LED)
5. To connect the TR1 to a TR2
2. Mounting
The TR1/ TR2 Transceiver should be wall mounted in an area within 20
metres distance of the wireless thermostat.
It is important that the receiver is mounted more than 1 metre away from
metal objects as this will aect communication with the thermostat.
The receiver should also be installed at least 1metre from any electronic
devices such as radio, TV, microwave or wireless network adaptor.
The unit can be tted to: 1. Recessed conduit boxes
2. Surface mounting boxes
3. Installation
Slacken the fastening screw on the bottom of the receiver with a philips
screwdriver.
The receiver is hinged and can be opened 180 degrees. Mount the unit as
described in section 2. Wire the unit as described in section 1. Close the
receiver and tighten the fastening screw.
EPH Controls Ireland
sales@ephcontrols.com www.ephcontrols.com
Press the ‘Connect’ button on TR1 and TR2, the green light on TR1 and
TR2 will begin to ash.
After connecting successfully, the red LED will be constantly ‘ON’ for the TR2.
The red LED will be constantly ON and green LED will ash on the TR1.
Now press the ‘Manual’ button on the TR1 to exit to main interface.
Connect
6. To disconnect TR1 and TR2
The disconnection procedure is done on the TR1.
Press the ‘Connect’ button on TR1, the green LED will ash.
Then press the ‘Connect’ button on TR1 for 2 seconds, the red LED will ash
and green LED will be o.
Press the ‘Manual’ button on TR1 within 5 seconds followed by the ‘Reset’
button, the TR1 and TR2 are now disconnected.
To manually operate the TR2
Press the ‘Reset’ button located on the side of TR2.
The TR2 ‘Manual’ button is now active.
EPH Controls UK
sales@ephcontrols.co.uk www.ephcontrols.co.uk
Connect
20180314_TR1TR2_OpIns_JW

TR1 TR2 RF Transceiver Pack
7. Wiring examples
TR1 TR2
EXAMPLE 1 Wirelessly completing a 230V connection
Page 2 of 2
Operating Instructions
a.) On TR1 When Lin receives 230V, TR1 sends a wireless signal to TR2.
b.) On TR2 N/O contact will close and can switch any device with a 230V
switched live.
MAINS
SUPPLY
C Lout L L Nin
Switched Live to activate
your system
from timer, switch etc.
COMMON
FOR RELAY
If 230V is required then
loop C to Mains Live
EXAMPLE 2 Single Wireless Switch - TR1 to TR2 only - 230V out to boiler
a.) On TR1 When L
in receives 230V, TR1 sends a wireless signal to TR2.
MAINS
SUPPLY
C Lout L L Nin
Switched Live from Device Programmer, Thermostat or
Motorised Valves
b.) On TR2 N/O contact will close and switches on the boiler with a 230V
switched live.
COMMON
FOR RELAY
If 230V is required then
loop C to Mains Live
EXAMPLE 3 Single Wireless Switch - TR1 to TR2 only - Volt Free Switch to Boiler
a.) On TR1 When L
in receives 230V, TR1 sends a wireless signal to TR2.
MAINS
SUPPLY
C Lout L L Nin
b.) On TR2 N/O contact will close and switches on the boiler with a volt
free switch.
COMMON
FOR RELAY
MAINS
SUPPLY
C Lout L L Nin
Switched Live to Device
MAINS
SUPPLY
C Lout L L Nin
Switched Live to Boiler
MAINS
SUPPLY
C Lout L L Nin
Switched Live from Device Programmer, Thermostat or
Motorised Valves
Remove Link from
Boiler PCB.
Run 2 core cable from
these terminals to C and L
EXAMPLE 4 Double Wireless Switch - TR1 to TR2 and TR2 back to TR1 - 230V
a.) On TR1 When L
c.) On TR1 N/O contact on TR1 will close and switches the boiler with a 230V
switched live.
in receives 230V, TR1 sends a wireless signal to TR2.
MAINS
SUPPLY
COMMON FOR RELAY
Switched Live to Boiler
C Lout L L Nin
Switched Live from Device Programmer, Thermostat or
Motorised Valves
b.) On TR2 N/O contact will close. Motorised valve will open.
Auxiliary switch on motorised valve will close and send 230V to
Lin on TR2. TR2 will send a wireless signal back to TR1.
COMMON
FOR RELAY
If 230V is required
then loop C to Mains Live
EXAMPLE 5 Double Wireless Switch - TR1 to TR2 and TR2 back to TR1 - Volt Free
a.) On TR1 When L
in receives 230V, TR1 sends a wireless signal to TR2.
c.) On TR1 N/O contact on TR1 will close and switches the boiler with a Volt free
switch.
MAINS
SUPPLY
COMMON FOR RELAY
Remove Link from
Boiler PCB.
Run 2 core cable from
these terminals to
C and Lout.
C Lout L L Nin
Switched Live from Device Programmer, Thermostat or
Motorised Valves
b.) On TR2 N/O contact will close. Motorised valve will open.
Auxiliary switch on motorised valve will close and send 230V to
Lin on TR2. TR2 will send a wireless signal back to TR1.
COMMON
FOR RELAY
If 230V is required
then loop C to Mains Live
Volt Free Switch Wire
out.
MAINS
SUPPLY
C Lout L LLN
C Lout L LLN
in
230V Switched Live from Aux
Switched Live to Motorised Valve
MAINS
SUPPLY
in
230V Switched Live from Aux
Switched Live to Motorised Valve
For
Actuator
Aux
N
For
Actuator
Aux
N
20180314_TR1TR2_OpIns_JW