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Gas Condensing Wall Hung & Floor Standing Boilers
Bosch
Greenstar & Greenstar FS 100, 151, 131 Combi Boiler
Greenstar & Greenstar FS 79, 100, 131, 151 Regular Boiler
Applications Manual
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.
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!

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Summary of Contents for Bosch Greenstar FS 100 Combi

  • Page 1 Refer to the boiler, control and module installer manuals for additional detailed information! Gas Condensing Wall Hung & Floor Standing Boilers Bosch Greenstar & Greenstar FS 100, 151, 131 Combi Boiler Greenstar & Greenstar FS 79, 100, 131, 151 Regular Boiler...
  • Page 2 2 | Bosch Greenstar Applications Manual Data subject to change Bosch Thermotechnology Corp.
  • Page 3: Table Of Contents

    Multi zone system using circulators with standard zone relay (CRC200) and indirect tank System #14 Greenstar Heat only Wall Boiler Multi zone system using circulators and Bosch Comfort Zone Manager (CZM100) and indirect tank System #15 Greenstar Heat only Floor Boiler...
  • Page 4 Multi zone system using zone valves with standard zone relay (CRC200) and indirect tank System #22 Greenstar Heat Only Wall Boiler Multi zone system using zone valves and Bosch Comfort Zone Manager (CZM100) and indirect tank System #23 Greenstar Heat Only Floor Boiler...
  • Page 5 Applications Manual Bosch Greenstar | 5 Explanation Of Symbols Key To Symbols Warnings Warnings in this document are identifi ed by a warning triangle printed against a grey background. Keywords at the start of a warning indicate the type and seriousness of the ensuing risk if measures to prevent the risk are not taken.
  • Page 6 6 | Bosch Greenstar Applications Manual Data subject to change Bosch Thermotechnology Corp.
  • Page 7: System #1

    Applications Manual Bosch Greenstar | 7 System #1 Heatronic Internal Wiring Note: For Low Water Cutoff Wiring see Appendix D of this manual Bosch Controls CRC200 (optional) Dry contacts Room Thermostat Outdoor Sensor Outdoor Temperature Sensor (optional) 120 Vac Supply...
  • Page 8 8 | Bosch Greenstar Applications Manual Data subject to change Bosch Thermotechnology Corp.
  • Page 9: System #2

    Applications Manual Bosch Greenstar | 9 System #2 Heatronic Internal Wiring Note: For Low Water Cutoff Wiring see CRC200 Appendix D of this manual Bosch Controls Dry contacts Outdoor Sensor 120 Vac Supply DHW Sensor Ground Neutral black white ch pump...
  • Page 10 1 0 | Bosch Greenstar Applications Manual Data subject to change Bosch Thermotechnology Corp.
  • Page 11: System #3

    Applications Manual Bosch Greenstar | 11 System #3 out sen DHW sen LWCO black white ch pump mains for unmixed heating Outdoor 120v/60 hz (Not Used) CRC200 Temperature Sensor Room Thermostat If using CRC200 (Optional): 120 V Line Install CRC200 (see manual)
  • Page 12 1 2 | Bosch Greenstar Applications Manual Data subject to change Bosch Thermotechnology Corp.
  • Page 13: System #4

    Applications Manual Bosch Greenstar | 13 System #4 out sen DHW sen LWCO black white ch pump mains for unmixed heating 120v/60 hz (Not Used) CRC200 120 V Line Note: For Low Water Cutoff Wiring see Ground Appendix E of this manual...
  • Page 14 1 4 | Bosch Greenstar Applications Manual Data subject to change Bosch Thermotechnology Corp.
  • Page 15: System #5

    Applications Manual Bosch Greenstar | 15 System #5 Heatronic Internal Wiring Note: For Low Water Cutoff Wiring see Appendix D of this manual Bosch Controls CRC200 (optional) Dry contacts Room Thermostat Outdoor Sensor Outdoor Temperature Sensor (optional) 120 Vac Supply...
  • Page 16 1 6 | Bosch Greenstar Applications Manual Data subject to change Bosch Thermotechnology Corp.
  • Page 17: System #6

    Applications Manual Bosch Greenstar | 17 System #6 Heatronic Internal Wiring Note: For Low Water Cutoff Wiring see CRC200 Appendix D of this manual Bosch Controls Dry contacts Outdoor Sensor 120 Vac Supply DHW Sensor Ground Neutral black white ch pump...
  • Page 18 1 8 | Bosch Greenstar Applications Manual Data subject to change Bosch Thermotechnology Corp.
  • Page 19: System #7

    Applications Manual Bosch Greenstar | 19 System #7 out sen LWCO DHW sen black white ch pump mains storage Outdoor for unmixed heating CRC200 tank pump 120v/60 hz Temperature (Not Used) Sensor Room Thermostat If using CRC200 (Optional): Install CRC200 (see manual)
  • Page 20 2 0 | Bosch Greenstar Applications Manual Data subject to change Bosch Thermotechnology Corp.
  • Page 21: System #8

    Applications Manual Bosch Greenstar | 21 System #8 out sen DHW sen LWCO black white ch pump storage mains for unmixed heating tank pump 120v/60 hz (Not Used) CRC200 120 V Line Note: For Low Water Cutoff Wiring see Ground...
  • Page 22 2 2 | Bosch Greenstar Applications Manual Data subject to change Bosch Thermotechnology Corp.
  • Page 23: System #9

    Applications Manual Bosch Greenstar | 23 System # 9 Heatronic Internal Wiring CRC200 (optional) Bosch Controls ( end switch ) Zone 3 Zone 1 Zone 2 120 Vac Dry contacts Zone 1 Zone 2 Zone 3 Power Outdoor Sensor Outdoor Temperature Sensor...
  • Page 24 2 4 | Bosch Greenstar Applications Manual Data subject to change Bosch Thermotechnology Corp.
  • Page 25: System #10

    Applications Manual Bosch Greenstar | 25 System #10 CZM100 CRC100 and CRC200 Heatronic Internal Wiring See CZM100 4 5 6 Bosch Bosch Manual for additional Wiring 24VAC information 1 2 1 2 Bosch Controls 120 VAC < 24 V 120 VAC...
  • Page 26 2 6 | Bosch Greenstar Applications Manual Data subject to change Bosch Thermotechnology Corp.
  • Page 27: System #11

    Applications Manual Bosch Greenstar | 27 System #11 If using CRC200 (Optional): Install CRC200 (see manual) out sen DHW sen LWCO Appendix C black white ch pump mains for unmixed heating 120v/60 hz Outdoor (Not Used) CRC200 Temperature Sensor X1 X2...
  • Page 28 2 8 | Bosch Greenstar Applications Manual Data subject to change Bosch Thermotechnology Corp.
  • Page 29: System #12

    Applications Manual Bosch Greenstar | 29 System #12 out sen LWCO DHW sen black white ch pump CZM100 mains for unmixed heating 120v/60 hz CRC100 and CRC200 (Not Used) 4 5 6 Bosch Bosch See CZM100 Manual for additional 24VAC...
  • Page 30 3 0 | Bosch Greenstar Applications Manual Data subject to change Bosch Thermotechnology Corp.
  • Page 31: System #13

    Applications Manual Bosch Greenstar | 31 System # 13 Note: Use Heatronic Internal Wiring a priority zone X1 X2 for DHW Priority CRC200 (optional) Zone 1 Zone 2 Zone 3 indirect zone Zone switch Bosch Controls Priority Zone 1 Zone 2...
  • Page 32 3 2 | Bosch Greenstar Applications Manual Data subject to change Bosch Thermotechnology Corp.
  • Page 33: System #14

    Applications Manual Bosch Greenstar | 33 System #14 CZM100 CRC100 and CRC200 Heatronic Internal Wiring See CZM100 4 5 6 Bosch Bosch Manual for additional Wiring 24VAC information 1 2 1 2 Bosch Controls 120 VAC 120 VAC < 24 V...
  • Page 34 3 4 | Bosch Greenstar Applications Manual Data subject to change Bosch Thermotechnology Corp.
  • Page 35: System #15

    Applications Manual Bosch Greenstar | 35 System #15 out sen DHW sen LWCO If using CRC200 (Optional): Install CRC200 (see manual) Sensor Outdoor guide in Appendix C Temperature black white Sensor ch pump storage mains for unmixed heating 120v/60 hz...
  • Page 36 3 6 | Bosch Greenstar Applications Manual Data subject to change Bosch Thermotechnology Corp.
  • Page 37: System #16

    Applications Manual Bosch Greenstar | 37 System #16 out sen LWCO DHW sen Thermistor black white ch pump storage mains CZM100 for unmixed heating tank pump 120v/60 hz CRC100 and CRC200 (Not Used) 4 5 6 Bosch Bosch See CZM100...
  • Page 38 3 8 | Bosch Greenstar Applications Manual Data subject to change Bosch Thermotechnology Corp.
  • Page 39 Applications Manual Bosch Greenstar | 39 System # 17 Zone 4 priority Zone 1 Zone 2 Zone 3 Zone 4 24 VAC Transformer Heatronic Internal Wiring Zone 4 relay N/O Com N/C CRC200 (optional) Zone 1 Zone 2 Zone 3...
  • Page 40 4 0 | Bosch Greenstar Applications Manual Data subject to change Bosch Thermotechnology Corp.
  • Page 41 Applications Manual Bosch Greenstar | 41 System # 18 CZM100 Heatronic Internal Wiring 4 5 6 See CZM100 24 VAC Manual for Bosch Controls Transformer Detail wiring 24VAC 120 Vac 24 Vac 1 2 1 2 Dry contacts 120 VAC <...
  • Page 42 4 2 | Bosch Greenstar Applications Manual Data subject to change Bosch Thermotechnology Corp.
  • Page 43 Applications Manual Bosch Greenstar | 43 System # 19 out sen LWCO DHW sen If using CRC200 (Optional): Install CRC200 (see manual) Sensor guide in Appendix C Thermostats black white ch pump Outdoor mains for unmixed heating CRC200 120v/60 hz...
  • Page 44 4 4 | Bosch Greenstar Applications Manual Data subject to change Bosch Thermotechnology Corp.
  • Page 45 Applications Manual Bosch Greenstar | 45 System #20 out sen LWCO DHW sen black See CZM100 white ch pump mains Manual for CZM100 for unmixed heating 120v/60 hz Detail wiring (Not Used) 4 5 6 24 VAC Transformer 24VAC 120 Vac...
  • Page 46 4 6 | Bosch Greenstar Applications Manual Data subject to change Bosch Thermotechnology Corp.
  • Page 47 Applications Manual Bosch Greenstar | 47 System # 21 Thermostats Heatronic Internal Wiring Thermistor CRC200 (optional) Zone 4 Bosch Controls priority Zone 1 Zone 2 Zone 3 Zone 4 Dry contacts 24 VAC Outdoor Sensor Transformer Outdoor Temperature Zone 4 relay...
  • Page 48 4 8 | Bosch Greenstar Applications Manual Data subject to change Bosch Thermotechnology Corp.
  • Page 49 Applications Manual Bosch Greenstar | 49 System # 22 CZM100 Heatronic Internal Wiring 4 5 6 See CZM100 24 VAC Manual for Transformer Detail wiring Bosch Controls 24VAC 120 Vac 24 Vac 1 2 1 2 Dry contacts 120 VAC 120 VAC <...
  • Page 50 5 0 | Bosch Greenstar Applications Manual Data subject to change Bosch Thermotechnology Corp.
  • Page 51 Applications Manual Bosch Greenstar | 51 System # 23 If using CRC200 (Optional): Install CRC200 (see manual) out sen LWCO DHW sen Sensor guide in Appendix C Thermostats black Thermistor white ch pump Outdoor storage mains CRC200 for unmixed heating...
  • Page 52 5 2 | Bosch Greenstar Applications Manual Data subject to change Bosch Thermotechnology Corp.
  • Page 53 Applications Manual Bosch Greenstar | 53 System #24 out sen LWCO DHW sen Thermistor black white ch pump See CZM100 storage mains for unmixed heating 120v/60 hz tank pump CZM100 Manual for (Not Used) additional 4 5 6 Wiring information...
  • Page 54 5 4 | Bosch Greenstar Applications Manual Appendix A: Quick Set-up Guide for Comfort Room Controllers CRC100 - Operation The following table shows how to 67.0 °F change a value in the service menu of the CRC100 = Display = Dial Open the service menu 1.
  • Page 55 Applications Manual Bosch Greenstar | 55 Appendix A: Quick Set-up Guide for Comfort Room Controllers Note: Please consult the installation manual for a complete overview of the controller settings and proper installation. The following guide is not a substitute for the installation manual.
  • Page 56 5 6 | Bosch Greenstar Applications Manual Appendix B: Primary/Secondary piping for Greenstar Wall Boiler Supply Boiler Supply Boiler Return System Supply System Return System Header Pipe Piping Section Description Requirements Minimum length of 4 x pipe diameter based System Supply...
  • Page 57 Applications Manual Bosch Greenstar | 57 Appendix C: CRC200 Quick Set-up Guide for Outdoor Reset Option 1 Simple outdoor reset control:  Press and hold the menu button until the service menu icon appears Figure 1 Figure 4 For Wall units make sure out door temperature sensor is connected to the ...
  • Page 58 5 8 | Bosch Greenstar Applications Manual  Use the round Dial to scroll down and press the round Dial to select  Press the Dial to select Base Point  Use the round Dial to scroll down and press the round Dial to select —...
  • Page 59 Applications Manual Bosch Greenstar | 59 Appendix D: Wiring Hydrolevel Safgard 1100 Low Water Cut-off to Greenstar Wall Boiler External Junction Box on Bottom of Greenstar Wall boiler white black storage ch pump mains tank pump 120v/60 hz for unmixed heating...
  • Page 60 6 0 | Bosch Greenstar Applications Manual Appendix E: Wiring Hydrolevel safgard 1100 Low Water Cut-Of to Greenstar Floor Boiler External Junction Box on back of Greenstar Floor boiler black white mains storage ch pump tank pump for unmixed heating...
  • Page 61 Applications Manual Bosch Greenstar | 61 NOTES: Bosch Thermotechnology Corp. Data subject to change...
  • Page 62 6 2 | Bosch Greenstar Applications Manual NOTES: Data subject to change Bosch Thermotechnology Corp.
  • Page 63 Applications Manual Bosch Greenstar | 63 NOTES: Bosch Thermotechnology Corp. Data subject to change...
  • Page 64 United States and Canada Bosch Thermotechnology Corp. 65 Grove Street Watertown, MA 02472 Tel: 866-642-3198 Fax: 603-965-7581 www.bosch-thermotechnology.us BTC 436001101 F / 09.2022...

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