Technical data

Installation and servicing instructions for wall-mounted condensing gas boiler Buderus 600 - 11R/19R/24R • 02/2006 61

Subject to modifications resulting from technical improvements! Buderus • http://www.buderus-domestic.co.uk

Servicing 5

5.3.14 Checking the glow ingitor

z Disconnect the system from the power supply.

z Loosen the two fixing screws and carefully turn the

UBA around.

z Unplug and remove glow ingitor from UBA housing

(fig. 64).

z Check glow ingitor for free through-put.

If through-put is free, the glow ingitor is in order.

z If the glow ingitor is in order, plug the cable into the

UBA housing.

z Turn the UBA around and place back onto the

bracket.

z Tighten the two screws.

z Connect system to mains power supply.

5.3.15 Replacing the glow ingitor

z Disconnect the system from the power supply.

z Remove burner cover.

z Remove the earth (ground) lead from the glow ingitor

(fig. 65, item 1).

z Loosen the two screws on the UBA and carefully turn

the UBA around with the backside facing up.

z Unplug glow ingitor connection cable from UBA

(fig. 66).

z Loosen nut on clamp used to secure earth (ground)

lead (fig. 65, item 2).

z Detach retaining plate of glow ingitor (fig. 65, item 3)

and remove glow ingitor.

Fig. 64 Checking the glow ingitor

Fig. 65 Replacing the glow ingitor

Fig. 66 Disconnect the plug-in cable from the UBA housing