5.
Remove seal disc
⑭
necessary clean or replace
6.
Replace lip seal ring
7.
Fully reassemble connection housing
8.
Refit backflow preventer into the pipework
9.
Slowly open shut-off valve
10.
Slowly open shut-off valve and fill and vent the
system
5.2.3 Replace seals
1.
Close shut-off valves and
2.
Relieve pressure from valve (for example by opening
drain valve )
3.
Remove valve insert and replace seal
4.
Loosen flange fitting
5.
Remove discharge tundish
and replace seals
6.
Unscrew blanking plug
7.
Slowly open shut-off valve
8.
Slowly open shut-off valve and fill and vent the
system
and check for good condition. If
⑲
⑪
⑯
and inner components
⑮
and replace seals
⑰
⑱
GB
5.2.4 Replace changeover valve
1.
Close shut-off valves and
2.
Relieve pressure from valve (for example by opening
drain valve )
3.
Replace changeover valve
6
Spare Parts
For Spare Parts visit homecomfort.resideo.com/europe
7
Accessories
For Accessories visit homecomfort.resideo.com/europe
6
⑳
MU1H-1213GE23 R0420