The Genius system can control a wide variety of wet underfloor heating, both in terms of the configuration of the underfloor heating and the hardware that is already part of the underfloor heating system.

Electric Switch (Switched Live connections, or Single Zone / Underfloor Pump)

If you are controlling an underfloor heating wiring centre or actuators which are 230v the Electric Switch will be used per zone controlled. If there are any existing controls, such as a thermostat the wiring to these will need to be removed. The Electric Switch is often wired near the actuators / wiring centre and the Room Sensor or Room Thermostat placed in the room with the underfloor heating. 

If you are only controlling a single zone of underfloor heating, you are likely to need to switch the underfloor circulation pump directly from the controller along with any zone valves or actuators. The Electric Switch is to be used in these situations.

1. Always ensure that the boiler, underfloor heating and wiring for the Electric Switch is electrically isolated before you commence work on any wiring.
2. Break out the relevant section of a 1-gang pattress for the wiring and fix the pattress to the wall. It is recommended that a 40mm pattress is used.
3. Pull through the relevant wiring, allowing plenty of spare.
4. Wire in the Electric Switch as per the wiring diagrams provided, checking this is suitable as per the relevant installation manuals.
5. Fit the Electric Switch into the pattress, ensuring there are no trapped wires. Screw in using standard pattress screws, and check the unit is securely and safely attached to the wall.

Electric Relay (Low Voltage/Volt free connections or Switched Live connections)

The Electric Relay can control an underfloor heating wiring centre or actuators which are 12v/24v/230v and will be used per zone controlled. If there are any existing controls, such as a thermostat the wiring to these will need to be removed. The Electric Relay is often wired near the actuators / wiring centre and the Room Sensor or Room Thermostat placed in the room with the underfloor heating. 

1. Always ensure that the boiler, underfloor heating and wiring for the Electric Relay is electrically isolated before you commence work on any wiring.
2. Break out the relevant section of a 1-gang pattress for the wiring and fix the pattress to the wall. It is recommended that a 40mm pattress is used.
3. Pull through the relevant wiring, allowing plenty of spare.
4. Wire in the Electric Relay as per the wiring diagrams provided, checking this is suitable as per the relevant installation manuals.
5. Fit the Electric Relay into the pattress, ensuring there are no trapped wires, fit the blanking plate to the front of the pattress. Screw in using standard pattress screws, and check the unit is securely and safely attached to the wall.

Single Channel Receiver (Low Voltage/Volt free connections)

If you are controlling an underfloor heating wiring centre or actuators which are volt free or low voltage (such as 12v/24v) the Single Channel Receiver will be used per zone controlled. If there is an existing thermostat controlling the zone of underfloor heating it may be possible to swap the thermostat for the Single Channel Receiver as it uses a standard backplate. You need to ensure that wiring is correct for the Single Channel Receiver before placing it on the backplate.  

1. Always ensure that the boiler, underfloor heating and wiring for the Single channel Receiver is electrically isolated before you commence work on any wiring.
2. Remove the backplate from the Single Channel Receiver by loosening the 2 screws found on the bottom of the Receiver Unit.
3. 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.
4. Wire the Single Channel Receiver backplate as per the wiring diagrams provided, checking this is suitable as per the wiring centre installation manual.
5. 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.
   
6. Tighten the screws underneath the Single Channel Receiver, and check the unit is securely and safely attached to the wall.

In normal operation the Single Channel Receiver will have a single solid light (red for when there is no call for heat, and green for when the Receiver unit is is calling for heat).

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General Informtion

The Single Channel Receiver is rated to 3A maximum. It can only be used to switch a zone valve, underfloor heating wiring centre or actuator and not a circulation pump. Controlling a circulation pump will result in damaging the receiver units, voiding the warranty! The Electric Relay is rated to 11A maximum. The Electric Switch is rated to 13A maximum.