Tiger Loop System - Grant Combi 90 V3 User, Installation And Servicing Instructions

1 When the storage tank is below the burner, an alternative to
5.3.5 Tiger Loop system - (See Figs. 7 and 8)
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. 7.
Refer to the manufacturers instructions supplied with the
Tiger Loop. The Tiger Loop must be mounted vertically.
18
5 - GENERAL BOILER INFORMATION
Fig. 6 - Two pipe system
Fig. 7 - Tiger loop system
Combi V3, Combi Max and Condensing Combi Models
Head A Maximum pipe run (m)
(m) 8 mm OD pipe
0 35
0.5 30
1.0 25
1.5 20
2,0 15
3.0 8
3.5 6
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 to purchase from local merchant.
10 mm OD pipe
100
100
100
90
70
30
20