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- Always ensure that the boiler and wiring for the Single channel Receiver is electrically isolated before you commence work on any wiring.
- Remove the backplate from the Single Channel Receiver by loosening the 2 screws found on the bottom of the Receiver Unit.
- Mount the backplate onto the wall where the Single Channel Receiver is to be placed, or (if using an existing comaptible backplate) remove the front of the existing thermostat/receiver unit. This must be on a flat surface to ensure good contact between the Single Channel Receiver and backplate.
- Wire the Single Channel Receiver backplate as per the wiring diagrams provided, checking this is suitable as per the boiler installation manual.
- Fit the Single Channel Receiver onto the backplate by first fitting it to the top of the backplate and hinging the receiver unit down. This should hinge easily and should rest squarely on the backplate. If it does not attach easily first time, take the receiver unit off and try again.
- Tighten the screws underneath the Single Channel Receiver, and check the unit is securely and safely attached to the wall.
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- If there is no existing boiler programmer then the Single Channel Receiver must be wired into the boiler as if it were an external programmer or thermostat. See wiring diagrams provided by the boiler manufacturer to confirm the wiring guides provided with this installation manual.
- If you replace the existing house thermostat with the Single Channel Receiver, and leave the existing boiler programmer (not recommended), the customer must be aware that they will have no control of the boiler if the programmer turns off. The existing programmer in this case must be set to always on or constant to make sure that the Single Channel Receiver retains control of the boiler at all times.
- If you remove the existing wired house thermostat out of the control circuit (recommended), it must also be removed from the control in the boiler wiring centre, otherwise the Single Channel Receiver will not have control over the boiler.
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System Boiler (Dual Channel Receiver)
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In normal operation there will be no lights when the unit is off and one or more red lights near the button when heating.
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- The temperature in a hot water tank will stratify, and so the Electric Switch will measure a different temperature dependent on where on the tank it is located. It is recommended to use the location of the existing Cylinder Stat or a pocket built into the Hot Water tank. For more information, please see the installation manual provided with the hot water tank.
- The existing cylinder stat should be set to a temperature above the temperature required on the app, and above 60º to protect against legionella.
- Using the appropriate wiring, as in accordance with BS7671 (or newer if such exists).
- The Electric Switch is rated to 13A and must not be wired to an immersion heater with a higher rating. This will result in damaging the Electric Switch and voiding the warranty!
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