Bosch FS 131 User Manual

Gas Condensing Wall Hung & Floor Standing Boilers
Bosch
Greenstar & Greenstar FS 100, 151, 131 Combi Boiler
Greenstar & Greenstar FS 57, 79, 100, 131, 151 Regular Boiler
WARNING:
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.
In Massachusetts, the boiler must be installed by a
licensed plumber or gas fi tter.
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!
Applications Manual

Bosch FS 131 Specifications

General

Brand	Bosch
Model	FS 131
Category	Boiler
Language	English

Summary

Explanation of Symbols

Key To Symbols

Defines symbols used in the manual, including warning and information icons.

Warnings

Explains warning symbols and keywords (Danger, Warning, Caution, Notice).

Important Information

Highlights symbols indicating important information with no risk to people or property.

Appendix A: Quick Set-up Guide for Room Controllers

CRC100 Operation

Guide to operating the CRC100 room controller, including display and dial functions.

CRC100 Control Set-up

Steps for setting up the CRC100 when connected directly to the boiler or CZM100.

CRC200 Control Set-up

Configuration steps for CRC200 for single and multi-zone systems with CZM100.

Zone Number and Pump/Zone Valve Output on CZM100

Mapping of heating zones to CZM100 outputs for pumps and zone valves.

Appendix B: Primary/Secondary Piping for Greenstar Wall Boiler

Piping Sections and Requirements

Defines piping sections (A, B, C) and their length requirements based on pipe size.

Boiler Input vs. Pipe Diameter Requirements

Table showing required pipe diameters for different boiler inputs and temperature differences.

Appendix C: FW200 Quick Set-up Guide

Instructions for Programming

Basic programming steps for the FW200 controller, including setting date/time.

Set Type of Heating System

Guide to selecting heating system type and setting parameters for optimal performance.

Adjust Warm Weather Shut Down (WWSD)

Instructions for configuring the warm weather shut down feature for energy savings.

Appendix D: Wiring Hydrolevel Safgard 1100 Low Water Cut-off to Greenstar Wall Boiler

Wiring Instructions for Wall Boiler

Step-by-step guide for wiring the Hydrolevel Safgard 1100 to a Greenstar Wall Boiler.

Appendix E: Wiring Hydrolevel Safgard 1100 Low Water Cut-Off to Greenstar Floor Boiler

Wiring Instructions for Floor Boiler

Step-by-step guide for wiring the Hydrolevel Safgard 1100 to a Greenstar Floor Boiler.