Applications; Common Boiler Piping/Wiring - Bosch Heatronic 4000 Applications Manual

8 | Bosch Heatronic 4000 Controls

3 Applications

3.1 Common Boiler Piping/Wiring

Confi gurations
DISCLAIMER: Improper installation, setup, modifi cation,
operation or maintenance of the heating system can
cause personal injury and property damage. Follow
each appliances' instructions precisely. For assistance
or further information, contact a trained and certifi ed
installer, service provider, or the gas supply company.
Application drawings in this manual are conceptual only
and do not purport to address all design, installation,
code, or safety considerations. The diagrams in this
manual are for reference use by code offi cials, designers
and licensed installers. It is expected that installers
have adequate knowledge of national and local codes,
as well as accepted industry practices, and are trained
on equipment, procedures, and applications involved.
Drawings are not to scale. Refer to the boiler, control
and module installer manuals for additional detailed
information!
Application 1
Single Temperature System with two 2-Stage non-
condensing boilers for space heating and indirect
DHW loads. Installed with Primary/Secondary piping
arrangement. (pg 10)
Application 2
Single Temperature System with two modulating
condensing boilers for space heating and indirect DHW
loads. Installed with reverse / return piping arrangement.
(pg. 12)
Application 3
Single Temperature System with two modulating
condensing boilers for space heating and indirect
DHW loads. Installed with Primary/Secondary piping
arrangement. (pg. 14)
Application 4
Single Temperature System with four modulating
condensing boilers for space heating loads. The fourth
boiler also provides indirect DHW priority. Installed with
Primary/Secondary piping arrangement with near DHW
piping arrangement. (pg. 16)
Application 5
Single Temperature System with one Dual Fuel modulating
condensing gas / non condensing oil and one modulating
condensing gas boilers for space heating and indirect
DHW loads. Installed with reverse / return and injection
piping arrangement. (pg. 18)
Data subject to change
Application 6
Two Temperature System with two 2-Stage non-
condensing boilers and two modulating condensing
boilers for space heating and indirect DHW loads. Installed
with unique high and low temperature return piping
arrangement. (pg. 20)
Applications Manual
Bosch Thermotechnology Corp.