Receiver Wiring Terminals; Control Unit Jumper Settings - Boss TPSRF31 Instruction Manual

The wiring terminals and RF Address Code setting DIP switches are located on the rear of the
Receiver.

Receiver Wiring Terminals

Terminal Name
N
L
1: COM
2: NO
3: NC
Direct Control Boiler
Notes: Receiver unit should have a permanent 230V AC main supply
Combi Boiler
Notes: • Receiver unit should have a permanent 230V AC main supply
• If the boiler has two terminals for the thermostat, remove the link from the boiler

Control Unit Jumper Settings

Changes to the jumper settings should only be made by the Engineer carrying out the installation
or other qualified person.
The installer should select the jumper positions required if changes need to be made to the factory
default settings. These jumpers are found on the rear of the Control Unit.
Jumpers Description
5 DIP switch levers for 5 bits address code for
Address code
RF communication (All jumpers default are closed)
3x1 pins jumper for +/-0.5°C or 1.0°C
(factory default setting) selection.
Span
It is used to define the system to run at +/-0.5°C or 1.0°C
difference to the set temperature
Notes : T he Reset button must be pressed after changing jumper positions.
The Reset button is accessible behind the small hinged door on the front right hand side of the Control Unit.
Function
Neutral input 230VAC/50Hz
Live input 230VAC/50Hz
Switch common terminal
Normal open (Volt-Free Contact)
Normal close (Volt-Free Contact)
RECEIVER
N.0. COM L N
RECEIVER
N.0. COM L N
N
MAINS
Blue
L
FEED
Brown
Brown
Thermostat (Remove link)
N
MAINS
Blue
L
N
FEED
Brown
Brown
Brown
BOILER
Live Feed
L N E
N E
Brown
Blue Yellow
BOILER
Live Feed
L N E
L SL
Brown
Blue Green/Yellow
2