Pipework Connections - Bosch WORCESTER Greenstar Danesmoor 18/25 Installation, Commissioning And Servicing Instruction Manual

Installation
3. Release retaining nuts and washers (C).
Remove baffle/combustion chamber access door (D).
4. Ensure one piece baffle set (E) is in the right location (F), correctly
resting on the baffle rests (G) on either side of the combustion
chamber and pushed securely into place.
Baffle sets for the 18/25 and 25/32 boilers are identified with tabs
on the front and rear edge
12/18 Baffle
E
Fig. 44 Baffle arrangement
5. Secure baffle/combustion chamber access door (D) with nuts and
washers (C). Tighten until door is firmly secured. Do not overtighten
the nuts.
6. Release the screws (H) and remove flue manifold access cover (I).
7. Check that all the baffles (J) and baffle retainer (K) are correctly
fitted to the secondary heat exchanger.
Hook the retainer (K) over the end two baffles.
8. Check that the flue damper is correctly fitted, if required, refer to
section 5.4.1
F
Fig. 45
30
18/25 & 25/32 Baffle
6720821683-31.1Wo
G
Greenstar Danesmoor Kitchen
5.6

Pipework connections

CAUTION: MAINS SUPPLIES
▶ Isolate the oil & water mains supply before starting
any work and follow all relevant safety precautions.
A
A
SYSTEM
N
M
L
K
Fig. 46 Pipework connections
[A] Return connection 22mm Ø copper (28mm Ø on 25/32 models)
[B] Flow & optional combined feed and vent 1" BSP
[B1] Flow connection 22mm copper (28mm on 25/32 models)
[C] Pressure relief valve
[D] Flue manifold condensate outlet
[E] Condensate trap - supplied
[F] Condensate outlet & flexible push fit connection (21.5mmØ)
[G] Fixing point for optional oil return pipe
[H] Oil isolating valve (10mmØ )
[J] Flexible oil hose and routing
[K] Primary Drain (hose connection)
[L] Pump circuit drain point
[M] Pressure gauge connection
[N] Expansion vessel connection
ErP+ and Kitchen System
REGULAR
B
B1
C
D
E
F
G
H
J
6720813284-12.1Wo
ErP+ -6 720 821 686 (2018/04)