A.O. Smith Upsilon - Flue gas system

Installation and Service Manual Upsilon-Series
22
7 Fluegassystem
The ue gas exhaust system and air supply system consists of:
- Flue gas pipe;
- Air supply pipe;
- Roof or wall terminal.
The ue gas exhaust system and air supply system must comply with:
UnitedKingdom:
The ue gas outlet and air supply installation must comply with the current regulation
requirements. IG UP 10, BS 715 and BS 6644.
Ireland:
- Irish standard is 813 section 9.10.1
Furthermore:
- BoilerClassindicatedontheboiler’stypeplate(Fluecategory)
- Locally applicable rules.
- The supplier’s installation instructions
Whenindoubtorifyouhaveanyquestions,alwayscontactA.O.Smith.
The boiler can be tted with a parallel connected ue gas outlet and air supply system
(the connection diameter for both channels is ø100mm) or a concentric ue gas outlet
and air supply system. In that case, the connection diameter is ø100/150mm. Refer to
chapter 7.1 or 7.2.