Worcester Greenstar 12/18 Installation, Commissioning And Servicing Instruction Manual page 22

Installation
Water connections
Surplus water may be present due to factory testing.
▶ Remove the transit bungs from the pipework connections on e boiler.
▶ Ensure all of the pipework is clean.
▶ Align the water pipework and connect.
▶ Check that all the unused sockets have been capped.
Return pipe connection
25/32 Return pipe
6720808218-36.1Wo
Fig. 31 Return pipes
Oil supply connections
▶ Refer to figure 30 and ensure that the isolating valve (H) is closed and
route the oil supply pipe along the right side of the boiler and connect
to the isolating valve (H).
Condensate connection
▶ Connect the 21.5mm polypropylene pipe (not supplied) to the
condensate waste pipe flexible push fit connector [F] figure 21 and
terminate to waste. Do not use any solvents, adhesives or lubricants
when pushing the pipe into the flexible push fit connector [F]
figure 21.
▶ Ensure that the condensate pipe runs away from the boiler at a
constant fall of 52mm (minimum) for every metre.
▶ Carefully pour 500ml of water into the condensate collection [P] to
fill condensate trap.
▶ Check the water is running away and the condensate pipework joints
are water tight.
▶ Check the flue manifold seal is undamaged and seated correctly.
▶ Refit flue manifold access cover [R] and secure with screws [S].
22
12/18 & 18/25 Return pipe
S
R
Fig. 32 Condensate
[P] Condensate collection sump
[R] Manifold access cover
[S] Screws x 6
Greenstar Danesmoor External ErP and External System
500ml
P
6720808218-37.1Wo
ErP - 6 720 813 288 (2014/09)