Honeywell Home evohome Troubleshooting on an S or Y Plan System | TheSmartThermostatShop.co.uk

Troubleshooting Tips for Evo Home System

In this video, Richard from the Evo Home Shop provides troubleshooting tips for a newly bound Evo Home system. He addresses issues such as the hourglass showing on the controller and the hot water not operating properly.

Hourglass Showing on Controller

• If an hourglass is displayed on the controller after pairing it with the heating and hot water system, try removing the batteries from the CS92A device.

• Remove the cover of CS92A and take out one battery.

• Wait for about 10 seconds and then reinsert the battery.

• Within 30 seconds to a minute, the temperature should be displayed on the IVA home controller.

Hot Water Temperature Not Displayed

• After resolving the hourglass issue, ensure that the temperature of the cylinder is being displayed correctly.

• Adjusting Cylinder Temperature:

• Go to "System Parameters" > "Stored Hot Water" in the settings menu.

• Check if it is set to 50 degrees. Change it to 60 degrees by pressing the green tick.

Hot Water BDR91 Not Coming On

• If you are testing the hot water side and your hot water BDR91 is not coming on:

• Access "Hot Water Overrun" in system parameters and set it to zero minutes.

• This setting determines how long after hot water demand that motorized zone valve stays open. Zero minutes is suitable for S and Y plan systems using BTR90 devices.

Hot Water Differential

• The hot water differential refers to the temperature at which IVA home controller brings back on heat to charge up hot water cylinder.

• Setting Hot Water Differential:

• Set the differential to 10 degrees if the cylinder is set to 60 degrees.

• This means the hot water setpoint temperature needs to go below 50 degrees before the hot water side is activated.

Troubleshooting Hot Water Issues

• If you are still experiencing issues with hot water after adjusting settings:

• Turn off power to the BDR91 receivers for a couple of minutes.

• Turn the power back on and try again.

• If the red symbol appears on the controller after turning on hot water, turn it off, wait for a minute, and then turn it back on. The green light should come on if everything is functioning correctly.

Proper Placement of Devices

• Ensure that devices such as CS92A and BDR91 are correctly spaced from each other and other objects.

• Minimum Distance Requirements:

• Maintain a minimum distance of 300 millimeters between devices.

• This applies to both CS92A and BDR91 devices.

• Also, keep them at least 300 millimeters away from metallic objects, cylinders, copper pipework, and other electrical or wireless devices.

For further assistance or more troubleshooting tips, contact technical support at technical@theivahomeshop.com.

Timestamps provided in square brackets [ ] indicate important points in the video.