2
The wiring terminals and RF Address Code setting DIP switches are located on the rear of the
Receiver.
Receiver Wiring Terminals
Terminal Name
Function
N
Neutral input 230VAC/50Hz
L
Live input 230VAC/50Hz
1: COM
Switch common terminal
2: NO
Normal open (Volt-Free Contact)
3: NC
Normal close (Volt-Free Contact)
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
Address code
5 DIP switch levers for 5 bits address code for
RF communication (All jumpers default are closed)
Span
3x1 pins jumper for +/-0.5°C or 1.0°C
(factory default setting) selection.
It is used to define the system to run at +/-0.5°C or 1.0°C
difference to the set temperature
Notes :
The
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.
RECEIVER
N.0. COM L N
N
L
BOILER
Live Feed
L
N
E
MAINS
FEED
N
L
SL
Thermostat (Remove link)
Green/Yellow
Blue
Brown
Brown
Brown
Brown
Blue
RECEIVER
N.0. COM L N
N
L
BOILER
Live Feed
N
E
L
N
E
MAINS
FEED
Yellow
Blue
Brown
Brown
Brown
Blue
