14
Multi Pass Oil Boilers
3.3.5 Tiger Loop system - (See Figs. 4 and 5)
1
When The storage tank is below the burner, an
alternative to a two pipe system can be achieved using
the Tiger Loop oil deaerator. This effectively removes
the air from the oil supply on a single pipe lift.
2
The Tiger Loop is connected close to the boiler as
a two pipe system (omitting the non-return valve)
as shown in Fig. 4. Refer to the manufacturers
instructions supplied with the Tiger Loop.
The Tiger Loop must be mounted vertically.
Note: To prevent any possibility of fuel fumes
entering the building, the Tiger Loop must be
fitted outside.
3
To be used with a Tiger Loop system, the burner
must be fitted with an additional flexible fuel line
(a flexible fuel line (600 mm) and
3
/
8
" to
1
/
4
" BSP
male adaptor are available from Grant Engineering
(UK) Limited). See Section 3.3.6.
1/4" BSP female
connections
Tiger Loop
SUPPLY
TO PUMP
RETURN
FROM PUMP
SUPPLY
FROM TANK
Fig. 5 - Tiger loop
Fig. 4 - Tiger loop system
3 - GENERAL BOILER INFORMATION
