Heatmiser RF-Switch V2 Manual Download Page 2

On the RF-Switch, press and hold the CH1 pairing button for 5 seconds.

The CH1 status LED will start to flash.

Press and release the pairing button on the UH8-RF.

When the RF-Switch detects the pairing signal from the UH8-RF, the CH1 LED 

will stop flashing. 

 To pair your wireless thermostat to the RF-Switch, please refer to your wireless 

thermostat instruction manual.

When pairing a thermostat in combined heating/hotwater mode, you do not

need to pair to the HW channel. This is done automatically when the stat is 

paired to either CH1 or CH2.

 

RF-Switch Wiring Diagram (S Plan)

6

Pairing the RF-Switch to the UH8-RF/UH8-RF V2

Channel Reset 

4

5

To reset an output of the RF-Switch;
• 

 

 

Press and hold the pairing/override button of the desired channel for 15 seconds.

During the button press you will see the LED flash steadily followed by a rapid flash.

 

 

 

Once the LED has stopped blinking, the reset procedure is complete and will erase all 
devices paired to that channel..

ZONE 1

HEATING VALVE

HOT WATER

VALVE

C1

NO1

C2

NO2

C3

NC3 NO3

N EARTH

L

MAINS

SUPPLY

230v

L
E
N

BOILER AND

PUMP ENABLE

HOT WATER

STAT

HW

CH1

CH2

ZONE 2

HEATING VALVE

This product must only be installed by a qualified 

electrician and comply with local installation regulations. 

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