Siting The Appliance - Worcester GREENSTAR 29 Installation And Servicing Instructions

Fully pumped sealed system
Note:
A drain cock
should be fitted
RV
at the lowest
point of the
heating circuit
and beneath
the appliance
RV
Radiator Valve - Flow RV
Lockshield Valve - Return LV
Fig. 7
Sealed system filling and make up
Heating return
Non return Non return
valve valve
Test cock
Fig. 8
3.3

Siting the appliance

Regulations concerning the Installation Site
B Relevant national regulations must be complied with
section 3.8.1.
B Consult the installation instructions for details of min-
imum clearances required.
Combustion air
In order to prevent corrosion, the combustion air must
not contain any corrosive substances.
Substances classed as corrosion-promoting include
halogenated hydrocarbons which contain chlorine and
fluorine compounds and are contained in some sol-
vents, paints, adhesives, aerosol propellants and
household cleaners, for example.
6 720 611 137 GB (03.02)
LV
LV
RV
LV
LV
RV
Hose union
Stop cock
Temporary hose
BOILER
Pressure
Gauge
Expansion
Vessel
Relief
Valve
Stop Valve Fixed Cylinder Type or sealed systems - Approv ed connection
Auto
Heating return
air vent
Non return
valve
Stop
cock
Fill point
Surface temperature
The max. surface temperature of the casing and the flue
is less than 85 °C.
This means that, no special safety precautions are
required with regard to flammable building materials
and fitted furniture. The specified clearences must be
maintained.
Cupboard/Compartment
The appliance can be installed in a cupboard/compart-
ment need for airing clothes providing that the require-
ments of BS6798 and BS5440:2 are followed. The low
casing losses from the appliance eliminate the need for
ventilation openings in the compartment. Refer to Fig. 1
for the required clearences around the appliance.
Installation
INDIRECT
CYLINDER
Bypass
balancing valve or
uncontrolled
radiator with tw o
lockshield valves
Mains Cold Water
BS
6 720 611 137 - 28.2O
Make up
vessel
1000mm (39 in)
above the highest
point of the system.
6 720 611 137 - 29.1O
13