A & B back to the closed position. Disconnect the filling loop, replace cap and plug. Note there can be some water spillage at this point.
8 4. CONDENSATE DRAIN This appliance is fitted with a siphonic condensate trap system that reduces the risk of the appliance condensate from freezing. However should the condensate pipe to this appliance freeze, please follow these instructions: a. If you do not feel competent to carryout the defrosting instructions below please call your local Gas Safe Registered installer for assistance. b. If you do feel competent to carryout the following instructions please do so with care when handling hot utensils. Do not attempt to thaw pipework above ground level. If this appliance develops a blockage in its condensate pipe, its condensate will buildup to a point where it will make a gurgling noise prior to locking out displaying Ignition Lockout on the display. If the appliance is restarted it will make a gurgling noise prior to it locking out displaying Ignition Lockout on the display.. To unblock a frozen condensate pipe. Follow the routing of the plastic pipe from its exit point on the appliance, through its route to its termination point. Locate the frozen blockage. It is likely that the pipe is frozen at the most exposed point external to the building or where there is some obstruction to flow. This could beat the open end of the pipe, at a bend or elbow, or where there is a dip in the pipe in which condensate can collect. The location of the blockage should be identified as closely as possible before taking further action. Apply a hot water bottle, microwaveable heat pack or a warm damp cloth to the frozen blockage area. Several applications may have to be made before it fully defrosts. Warm water can also be poured onto the pipe from a watering can or similar. DO NOT use boiling water. Caution when using warm water as this may freeze and cause other localised hazards. Once the blockage is removed and the condensate can flow freely, restart the appliance. (Refer to To Start the boiler. If the appliance fails to ignite, call your Gas Safe Registered engineer.