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
1
2
3
Fig. 66 Disconnect the plug-in cable from the UBA housing