Installation manual

Rinnai New Zealand Limited RDV3610 Installation Manual: 11658-E
05-10
21
Flue installation - horizontal termination
For horizontal ue terminations with a 90 ° bend. The shaded sections determine the position
of the ue restrictor.
Horizontal runs of ue pipe must be supported to prevent any downward sags. Horizontal pipe
sections should be supported at least every 1.2 m. Wall straps can be used for this purpose.
The horizontal run of ue pipe must have a 20 mm rise for every 1 m of run towards the
termination. Never allow the ue pipe to run downward. A downward slope can trap heat and
become a re hazard.
Min. 0.6 m
2.4 m
4.2 m
Max. 5.4 m
Min. 0.3 m Max. 3.5 m
Max. 0.9 m
Restrictor posion # 3
Max. Horizontal =(6.03-Vercal)/0.52
Max. Horizontal = Vercal/0.692
Max. 1.2 m
Restrictor posion # 4
No restrictor
Example
Vercal ue: 5.0 m (6.03-5.0) ÷ 0.52
Max. horizontal ue: 2.0 m
Example
Vercal ue: 2.0 m (2 ÷ 0.692)
Max. horizontal ue: 2.9 m