Bosch Greenstar 131 Betriebsanleitung PDF herunterladen (Seite 56)

Bosch Greenstar Applications Manual

Bosch Thermotechnology Corp.Data subject to change

System 11: Setup and Programming

In this multi zone system the FW200 is installed in the

boiler for pure outdoor reset without room inﬂ uence on

the heating curve.

Install suitable 3rd party thermostats in each zone in

a location that best represents its conditions. Avoid

locations exposed to direct or indirect sunlight, heat

sources, draft, etc. that can lead to malfunctioning.

DHW is generated by the boiler loading the indirect ﬁ red

DHW tank following the DHW program. This system can

also be realized with a combi boiler eliminating the DHW

tank if the capacity is sufﬁ cient for the DHW load.

Initial setup:

Program the 3rd party room thermostats according to the

manufacturer's instructions. It is recommended to set up a

day and night heating program with reduced temperatures

at night and when the zone is unoccupied.

Boiler and FW200 programming:

See the installation instructions for description of buttons

and displays, and for details on setup and programming.

 Power up the boiler.

 When commissioning for the first time, set the display-

language, date and time.

 Upon first commissioning the automatic system

configuration starts. Wait 60 seconds and follow the

instructions displayed. You have the option of using

the factory settings or entering custom parameters to

better match the individual requirements.

 Set the boiler for permanent day mode by switching

the dial on the FW200 to

— Comfort

Set the room temperatures for the

three specified temperature levels.

 Enter the installer menu to configure the heating zone.

— Set heating circuit to the type of heat

distribution used.

— Set the minimum outdoor temperature, building

storage capacity, design day temperature, and

maximum supply temperature.

— Set the remaining parameters as applicable.

 Set up the weekly program for DHW generation.

 When done, ensure the mode selector is set to AUTO.

 The room temperature will be displayed.

Additional information

With outdoor reset the boiler will provide the water

temperature according to the heating curve. There is no

room inﬂ uence on the heating curve in this system.

 The boiler will always attempt to run at its highest

efficiency in low fire for as long as necessary.

 The boiler will shut down when the target temperature

is reached followed by a 3 minute post purge by

the pump unless the 3rd party room thermostat is

satisfied prior.

 During DHW day mode the boiler will charge the DHW

tank when a demand is sensed by the DHW tank tem-

perature sensor. When DHW is satisfied, or after one

hour, the boiler will return to space heating mode.

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