Siting The Appliance; Removal Of The Cabinet; Air Supply - Worcester GREENSTAR II HE OIL 12/22 Installation And Servicing Instructions

4. Siting the Appliance

4.1 The appliance is not suitable for external installation unless
a suitable enclosure is provided.
4.2 The appliance should be positioned on a non-combustible
solid base as near to the flue termination point as possible. Care
should be taken to ensure that the appliance is level; use
packing at the corners where necessary.
4.3 The rear of the appliance must be positioned so that the flue
terminal can safely discharge the flue gases as described in
Section 7.
4.4 The following clearances must be left to allow access for
installation and servicing:
(a) Above 600mm
(b) In front - 600mm
(c) Right and left hand side – sufficient for panel
removal and access to pipe connections where
required.

5. Removal of the Cabinet

For installation and servicing of the appliance the cabinet
should be removed as follows:
5.1 Remove the cabinet top panel by lifting squarely upwards to
release the four stud connections.
5.2 Remove the front panel by pulling the upper part of the
panel forwards to release the studs and lifting the panel
upwards to release it from its supporting ledge.
5.3 Remove electrical cover plate by unscrewing the two screws
at the rear of the connector protecter plate and hinge up and
away.
5.4 The control box can be removed by undoing the two screws
in the top access cover, two screws in the front, two ball studs in
the top and the screw in the heat exchanger. The thermostat
phials should be carefully removed from the phial pocket and
the control box placed in a safe place taking care not to kink the
thermostat capillary tubes.

6. Air Supply

6.1 The appliance does not require a separate vent for
combustion air.
6.2 Installation in cupboards or compartments requires
permanent vents for cooling purposes, one at high level and one
at low level, either direct to outside air or to a room. Both vents
must pass to the same room or be on the same wall to the
outside air. The minimum air vent free area is given in Table 3.
6.3 There must be sufficient clearance around the appliance to
allow proper circulation of ventilation air. The clearances
required for Installation and Servicing will normally be adequate
for ventilation. See Section 4.4.
Table 3. Minimum Air Vent Free Area for Room Sealed
appliances installed in a compartment.
Ventilation to room or
Appliance
internal space
model
High Level
12/22 187cm
4
Ventilation to outside
Low Level High Level Low Level
2 187cm 2 93.5cm 2 93.5cm 2