Worcester GREENSTAR 30CDi Classic System ErP 41-406-37, Installation, Commissioning And Servicing Instructions, Page: 21 / 60

INSTALLATION
6 720 812 175 (2014/07) 21
4.2 WALL MOUNTING PLATE AND FLUE OPENING
SAFETY:
All relevant safety precautions must be undertaken. Protective clothing,
foot wear, gloves and safety goggles must be worn as appropriate.
FIXING THE POSITION OF THE WALL MOUNTING PLATE:
• Fig. 22 shows the relative positions of the flue and the fixing of the
wall mounting plate, the hanging bracket and pre-plumbing manifold.
Fig. 22 Mounting template
▶ Fix the wall mounting template, supplied with the literature pack, to
the wall.
▶ Drill holes for wall mounting plate, hanging bracket and pre-plumbing
manifold:
– at least one of the holes A,
– at least one of the holes B (preferably use left hole),
– hole C,
– hole D.
▶ If required: make a hole in wall for the flue pipe.
FLUE OUTLET
▶ Follow the Fig. 22 to mark the centre of the flue for rear outlet (3) or
for side outlet (4).
▶ For the 60/100mm Ø flue make a 125 mm diameter hole through the
wall using a core drill or similar.
For flues using an optional weather collar, fitted from inside the
building make a 150 mm Ø hole.
▶ Clear away any debris.
▶ Drill the hole, preferably using a core drill.
▶ Remove the mounting template.
▶ Place the hanging bracket on the wall mounting plate.
▶ Place the wall mounting plate with hanging bracket against the wall in
the desired position.
▶ Secure wall mounting plate with hanging bracket with four screws
(supplied with the boiler). Do not fully fasten the lower two screws.
▶ Mount the pre-plumbing manifold on the two lower screws and secure
the screws.
Fig. 23 Wall mounting plate and pre-plumbing manifold
CAUTION: Ensure there are no pipes, electric cables,
damp proof courses or other hazards before drilling.
4.
1.
2.
2.
2.
3.
85 mm
6 720 812 175-27.1O
hole C hole D
hole A
min. 225 mm
min. 5 mm
2.
hole B
Pre-plumbing
manifold
6 720 812 175-28.1O
Wall mounting plate
Hanging
bracket
hole B
hole A
hole D
hole C