Oil Storage; Oil Tank/Steel Tanks/Plastic Oil Tanks; Opening Sizes - Boulter Camray 5 Installation & Maintenance Manual

Page 18 of 67
This air enters the Boiler through the back panel. At least 15mm clearance is required at the rear of all boilers.
When the boiler is situated in a confined space or chamber a permanent adequate supply of air is required for
ventilation to prevent over heating.

4:6.1 Opening Sizes

2 2
The clear opening required for combustion only should be based on a requirement of 550mm /kW, (or 1in
per 4000 Btu/h) above 5kW
When a draught stabiliser is fitted to the flue pipe or chimney in the room in which the boiler is situated the
2
clear air intake should be 1100mm /kW.
When the boiler is situated in a confined space with Combustion or Ventilation air from outside - Allow
2 2
550mm /kW at low level and in addition 550mm /kW at high level;
When Combustion and Ventilation air is taken from a heated adjoining space the allowance should be
2 2
1650mm /kW at low level and in addition 1100mm /kW at high level. Ensure that the heated adjoining space
itself has an adequate supply of air.
When the Boiler is installed in a basement or low level boiler house where air can enter only from high level,
the incoming air supply for Combustion and Ventilation should be ducted to low level. A high level outlet
should be provided for ventilation.
BOULTER BUDERUS CAMRAY 5 PAGE 11

4:7 OIL STORAGE

4:7.1 Oil Tank
Consideration to the access by fuel delivery lorries should be given when positioning the oil tank.
Tank positioning should be in accordance with BS 5410 Part 1 and OFTEC Technical Book 3.
In the interest of most economical deliveries the Oil Tank should be of 3,000 litres (600 gallons) capacity.
It should be complete with the following:
1. Sludge Cock - on steel tanks.
2. Outlet Valve.
3. Contents Indicator.
4. Screw fill connection and independent vent. The Fill and Vent should be suitably capped to prevent ingress
of water or fitted with return bends.
4:7.2 Steel Tanks
Tanks should be mounted on suitable supports, if these are of brick or blocks, a damp proof membrane
should be inserted between the tank and its supports.
Tanks should slope 20mm per 1m of length downwards from the Oil Outlet to the Sludge Cock situated at the
opposite end.
4:7.3 Plastic Oil Tanks
Tanks made from plastic are now available. These should be UV stabilised for protection against sunlight, and
file://D:\PL47000\PL47000.htm 14/04/2005