INSTALLER GUIDEPage 32Recheck for spillage as above. If an extractor fan is installed in the same room as theappliance or a connecting room, check that spillage does not occur with the fanoperating and all doors and other openings between the fan and the appliance open.If the smoke is drawn into the appliance, continue with the installation. If the test is notsatisfactory disconnect the appliance and advise the customer of the cause offailure.13.3 Flame supervision and spillage monitoring system.This pilot unit includes a system that will automatically shut off the gas supply if thepilot flame goes out or if there is insufficient oxygen due to spillage or poor ventilation.Check that the system operates properly as follows;1. Light the appliance. Set the slide control to the maximum burning position andleave for one minute.2. Set the control to the ‘Low’ burning position. Isolate the gas supply at the inlet ‘T’connector. The pilot and main burner will go out. Note the time when the pilot goesout. Listen for a snap sound at the gas tap. Note the time when the sound isheard. This sound is caused by an electromagnetic valve shutting off the gas supplythrough the tap. The valve is located in the body of the tap. The valve should operatewithin 60 seconds of the pilot going out. If the valve does not operate within thistime limit do not allow the appliance to be used until the fault has been corrected.This monitoring system must not be adjusted, bypassed or put out of operation.This monitoring system, or any of its parts, must only be exchanged usingauthorised parts.3. Open the isolating valve on the inlet ‘T’ connector. Screw on the end cap and testfor leaks.4. Set the slider to the topmost (Off) position.© Baxi Heating U.K. Limited 2009.