Page 19 - Bosch Boiler House Component
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Boiler house components | 19
Return flow temperature safeguard RTS Flue gas heat exchanger ECO stand-alone
The return flow temperature safeguard of a hot water For further reduction of the flue gas temperature differ-
generator can be realised by means of temperature ent flue gas heat exchangers are provided for hot water
maintaining or temperature boosting. boilers. There are stand-alone retrofit models without
bypass for heating boilers with gas firing as well as with
Construction bypass and flue gas control damper for hot water boil-
All individual accessory parts such as supply flow ers with oil/gas dual-firings.
adapter piece with safety equipment, return flow
adapter piece, supply and return flow fittings, circula- To use the condensing technology, the flue gas con-
tion pump and motor three-way valve are pre-assem- densation can take place in an additional downstream
bled into the ready-to-install RTS module. flue gas heat exchanger module made of stainless
steel.
Equipment level
The return flow temperature maintenance consists of: Construction
Boiler circulation pump Heat exchanger in welded construction for installation
Three-way control valve downstream of the boiler, with connecting pieces for
Return temperature control water inlet, water outlet and drainage, and including
Shut-off valves supply flow/return flow inspection openings on the flue gas side. With the
bypass version, the hot flue gases are controlled by
The return flow temperature boosting consists of: means of control dampers.
Admixing pump
Shut-off valve, suction side Equipment level
Shut-off valve, pressure side The module is fully assembled. Lifting lugs, feet or trans-
Non-return valve, pressure side port rails and a flue gas control valve are included in the
Motor shut-off valve boiler return flow scope of delivery ex works as well as the thermal insula-
Shut-off valve boiler supply flow tion.
Benefits at a glance: Benefits at a glance:
Short assembly time of just a few hours Improvement of utilisation level
Problem-free compliance with operating Fuel savings
conditions Easy retrofitting of existing systems
