Boiler Installation - Worcester GREENSTAR UTILITY 18/25 Instruction Manual

8 716 106 256 C 03.10 30/3/10
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR DANESMOOR UTILITY 18/25
8 716 106 256C (03/2010)
14:24 Page 21

BOILER INSTALLATION

1 Lift the top panel (A) upwards to
disengage the ball stud connections (B)
and remove.
2 Remove the installation and literature
packs (T).
3 Pull the top front panel (E) away from the
boiler to disengage the ball stud
connectors and remove.
4 Remove retaining screws (C) from each
side of the control box (G).
Slide control box (G) outwards to its full
extent.
Pivot control box (G) upwards and
secure in the position shown.
5 Depress locking ears to unplug burner
lead (F) from control box (G).
6 Unscrew burner retainers (H).
Loosen air duct pipe clip (J) and
disconnect the air duct pipe.
Lift burner assembly up to release the
combustion head (N) from heat
exchanger and store safely away from
the boiler.
7 Release split pin to remove the flue
thermostat (M) from the flue hood.
8 Release split pins (P).
Carefully remove the overheat
thermostat phial (Q) (automatic reset)
from the rear heat exchanger thermostat
pocket.
Carefully remove the control
thermostat and High Limit manual reset
thermostat phials (Q) from the front heat
exchanger thermostat pocket.
7 Unscrew side panel (R) retaining screws
(S) from both sides.
Slide both side panels together with the
top support bracket and control box (G)
forwards to release the side panel lugs.
Remove and store safely away from
the boiler.
NOTE: to enable the panels to stand
upright, reposition and secure
control box (G) to the side panels.
BOILER INSTALLATION
21