Herald XL HCB

There is no flow switch fitted to the appliance at manufacture.  It is possible to connect a flow switch by removing the link wire across the flow switch terminals.

Follow the procedure below:

To reset the service notification on the version 2 EKW / Herald Boiler will require a code. Please follow the steps below:

• Press and hold the L/H SELECT  button
• Enter the code 5309 using the DIAL scan through the numbers and pushing the dial to accept correct number
• Press SELECT
• “Installer Code” should be displayed
• Scroll through the sub menus until you find Service notification
• Press SELECT
• Scroll to Reset Service Reminder
• Press SELECT
• It will ask you to Confirm
• Press SELECT
• You should see the word “engaged” briefly displayed.
• Press the R/H SELECT button three times to return to the front display screen
• The service notification is now reset.