Refresh RF link
Press and hold the centre override button on the receiver until the Heating on LED flashes rapidly. Release the
override button—the LED must be flashing. Turn off the transmitter by touching the ON/OFF icon. The display
will go blank. Now touch the SET icon for 5 seconds. A unique pre-set four-character code will show in the top
left of the display. Release and then briefly touch the SET icon once more. The receiver LED will stop flashing and
the RF link has been refreshed. Quit back to normal running mode by touching the ON/OFF icon.
Receiver ON / OFF
You can turn off the receiver. The receiver’s output will switch off, and it will stop responding to the transmitter.
Transmitter ON/OFF
You can save battery power on the transmitter, by touching the ON/OFF icon. The transmitter is switched off and
will stop sending control signals; the receiver will remain in it’s current state (ON or OFF).
Specification:
868 MHz radio frequency control set, with 4 character hexadecimal coding giving 65,536 code combinations.
Transmitter power 2 x AAA alkaline. Touch-screen keys. 70 x 40mm backlit LCD. Dimensions 120 x 85 x 22.5mm
Receiver power 230V AC, volt-free changeover 10A (resistive) switching, ON/OFF & manual override buttons. Di-
mensions 85 x 85 x 25mm. Wall-fixing centres 60mm.
Set control features: 20—30m range in buildings. ON/OFF, Optimising & TPI temperature regulation. Hysteresis
+/- 0.5
0
C. 5 & 2 or 7 day programming. 6 time / temperature periods. Temperature range 5—35
0
C.
Boiler Plus compatible: Class IV control, 2% contribution to system efficiency
Approvals: CE - Radio Equipment Directive EN 2014/53/EU - RoHS
Do not dispose of this product with household waste - use local recycling facilities
Option
Description
Range
Default value
> 53
Time interval for Ops
10 min, 15 min, 20 min
20 min
> 54
Number of heating cycles/hour (for TPi)
Range: 2 ~ 3 ~ 6 ~ 12
6
> 55
Proportional Bandwidth (for TPi)
Range: 1.5
0
C— 3
0
C
2
0
C
Configuration options—additional notes:
Option
Description
05
If you set a frost-protection temperature, the heating will be switched on when the
measured temperature falls below this level, even if the transmitter has been turned off.
10
0 - (default) Room and Set temperatures displayed. 1 - only Set temperature displayed
51
76— you can set every day with a different programme
526—two programme sequences can be set, one for weekdays, one for weekends. The fac-
tory default programme shown in the user instruction is the default programme for both.
52
Please read ‘how it works’ for a full explanation of temperature regulation modes
53
Set if you chose OPs (Optimum Start) regulation. For the best results, the time interval se-
lected should approximate the time taken to increase the room temperature by 1 degree.
54
Set if you chose TPi regulation. Select a lower number for heating systems with a slow re-
sponse, and a higher number for heating systems with a fast response.
55
Set if you chose TPi regulation. Sets the temperature below the set-point at which TPi con-
trol will begin
QR
058
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