Bosch Greenstar ZBR16-3A Operating Instructions Manual
Residential gas condensing boiler
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Also See for Greenstar ZBR16-3A:
- Installation and service instructions manual (120 pages) ,
- Operating instructions manual (48 pages) ,
- Manual (4 pages)
Related Manuals for Bosch Greenstar ZBR16-3A
Summary of Contents for Bosch Greenstar ZBR16-3A
- Page 1 6 720 806 992-00-1O Residential Gas Condensing Boiler Greenstar ZBR16/21/28/35/42-3A... | ZWB28/35/42-3A... Operating Instructions...
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Page 2: Table Of Contents
2 | Contents Contents Key to symbols and safety instructions ......4 Key to symbols ......... . . 4 Safety instructions . - Page 3 Contents | 3 Energy saving tips ..........24 Troubleshooting .
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Page 4: Key To Symbols And Safety Instructions
4 | Key to symbols and safety instructions Key to symbols and safety instructions 1.1 Key to symbols Warnings Warnings in this document are identified 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 5: Safety Instructions
Key to symbols and safety instructions | 5 1.2 Safety instructions General information This manual is available in English and French. ▶ Keep this manual for future use. ▶ Observe the safety instructions of this manual before putting the heating appliance into operation. - Page 6 6 | Key to symbols and safety instructions For appliances operating on room air: Danger of flue gas poisoning if supply of combustion air is insufficient ▶ Safeguard supply of combustion air. ▶ Do not cover or reduce the size of ventilation openings in doors, windows and walls.
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Page 7: Information About The Appliance
Information about the appliance | 7 Sign a maintenance and inspection contract with a trained and certified contractor, covering an annual inspection and demand-dependent maintenance. This guarantees high efficiency and environmentally sound combustion. Explosive and easily combustible materials Never use or store easily combustible materials (paper, thinners, paints, etc.) near the appliance. -
Page 8: Overview Of Boiler Types
8 | Preparing the appliance for operation The commercial and industrial use of the appliance for generating process heat is not permitted. 2.3 Overview of boiler types Greenstar ZBR16-3A ZBR21-3A ZBR28-3A ZBR35-3A ZBR42-3A ZWB28-3A ZWB35-3A ZWB42-3A Table 2 Central heating appliance DHW heating Condensing technology Constant temperature control... -
Page 9: Checking The Boiler Water Pressure
Preparing the appliance for operation | 9 3.1 Checking the boiler water pressure The standard boiler water pressure is 14.5 - 21.75 psi (1 - 1.5 bar). Should a higher boiler water pressure be required, refer to a trained and certified heating contractor. -
Page 10: Operation
10 | Operation Operation These operating instructions apply only to the boiler. Depending on the heating control unit used, some functions may vary. The following options for controlling the heating system are available: • Room thermostat • RRC Room thermostat with outdoor reset •... - Page 11 Operation | 11 Page 29 contains a quick reference. You can fold this outward and keep these operating instructions in the control panel cover. 6 720 614 235-04.1O Fig. 2 Greenstar 6 720 818 061 (2015/11)
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Page 12: Overview Of Controls
12 | Operation 4.1 Overview of controls reset 6 720 641 934-01.3O Fig. 3 Greenstar 6 720 818 061 (2015/11) - Page 13 Operation | 13 [1] Emission test button for contractors (see installation instructions) [2] Service button for contractors (see installation instructions) [3] Burner ON indicator lamp [4] ON/OFF switch [5] Key pad lock [6] ECO button [7] Reset button [8] Display [9] Boiler water pressure gauge [10] DHW thermostat [11] Safety relief valve discharge hose...
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Page 14: Switching The Appliance On/Off
14 | Operation 4.2 Switching the appliance ON/OFF Startup ▶ Switch the appliance ON using the ON/OFF switch. The display shows the supply temperature. Fig. 4 If the display shows in alternation with the supply temperature, the appliance operates at its lowest output for 15 minutes per the initial startup sequence. - Page 15 Operation | 15 ▶ Adjusting the supply temperature with the boiler high limit dial – Radiant floor heating: e.g. setting 3 (approx. 122 °F (50 °C)) – Panel or cast iron radiator heating: setting 6 (approx. 167 °F (75 °C)) –...
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Page 16: Programming The Heating Control Unit
16 | Operation 4.4 Programming the heating control unit Observe the operating instructions for the heating control unit included in the scope of delivery. There you can read: ▶ How to set the operating mode ▶ How to adjust the room temperature ▶... - Page 17 Operation | 17 If there is reason for concern for contamination from bacteria such as legionella, consider setting the DHW thermostat to at least “e” (131 °F (55 °C)). This setting ensures an economical and comfortable DHW generation. Consult your local water department or municipality for further information.
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Page 18: Zwb
18 | Operation ECO button Pressing and holding the ECO button until it lights up switches between Comfort mode and Economy mode. • Comfort mode, ECO button is not lit (default setting) In Comfort mode, the DHW tank has priority. The DHW tank is heated to the set temperature first. -
Page 19: Setting Manual Summer Mode
Operation | 19 ECO button Pressing and holding the ECO button until it lights up switches between Comfort mode and Economy mode. • Comfort mode (default setting) The appliance is continually maintained at the set temperature. Consequently, DHW draws are immediate, however the appliance may run even if no DHW is being drawn. -
Page 20: Setting Frost Protection
20 | Operation ▶ Turn the boiler high limit dial counterclockwise to reset 6 720 641 933-82.1O Fig. 8 For further information, see the operating instructions for the heating control unit included in the scope of delivery. 4.8 Setting frost protection Frost protection of the heating system: ▶... -
Page 21: Activating The Key Pad Lock
Operation | 21 Frost protection of the DHW tank: ▶ Turn the DHW thermostat counterclockwise to min (59 °F (15 °C)). reset 6 720 641 933-69.1O Fig. 10 4.9 Activating the key pad lock The key pad lock affects the supply temperature dial, the DHW thermostat, the service button and the ECO button. -
Page 22: Display Codes
22 | Thermal disinfection 4.10 Display codes Display Description Fault-Code ( chapter 7) Inspection due Pump anti-seize function active Key pad lock active Condensate trap filling function active Bleeding function active Excessively rapid increase in supply temperature (temp. gradient monitoring). Heating mode is disabled for two minutes. - Page 23 Thermal disinfection | 23 Thermal disinfection covers the DHW system including the taps. For solar DHW tanks, the solar portion of the tank is not covered. DANGER: Risk of scalding! Hot water can result in severe scalding. ▶ Carry out thermal disinfection only outside the normal hours of use. ▶...
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Page 24: Energy Saving Tips
24 | Energy saving tips ▶ Open all DHW taps, from the nearest to the one furthest away, and draw off DHW until water at a minimum of 158 °F (70 °C) has flown from all taps for at least 3 minutes. - Page 25 Energy saving tips | 25 Heating control unit Use a heating control unit with room temperature influence or an outdoor reset control unit and thermostatic valves. For further information, see the operating instructions for the heating control unit included in the scope of delivery. Thermostatic valves Fully open the thermostatic valves to ensure that the desired room temperature is reached in all cases.
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Page 26: Troubleshooting
26 | Troubleshooting Troubleshooting The Heatronic boiler control monitors all safety and control components. If a fault arises during operation, an audible warning tone sounds. Press a button to mute the warning sound. The display indicates a fault code (e.g. ) and the reset button may also be flashing. -
Page 27: Maintenance
Maintenance | 27 Appliance details If you need to call a trained and certified heating contractor, you may be asked for details on your appliance. Those details can be found on the rating plate. Greenstar (e. g. ZBR 28-3 A ...): ...................... -
Page 28: Environmental Responsibility/Disposal
28 | Environmental responsibility/disposal Environmental responsibility/disposal Environmental responsibility is one of the fundamental company policies of the Bosch Group. We regard quality of performance, economy and environmental responsibility as equal objectives. Environmental protection laws and regulations are strictly adhered To protect the environment, we use the best possible technology and materials taking into account economic points of view. -
Page 29: Quick Reference
Quick reference | 29 10 Quick reference Startup DHW temperature DANGER: Danger of scalding! ▶ In normal operation, it is recommended to limit the DHW temperature to Turning space heating ON 122 °F (50 °C) to limit the risk of scalding. reset reset 6 720 641 933-53.1O... -
Page 30: Index
30 | Index Index Certifications....................7 Cleaning the outer casing ................27 Commissioning ................... 8 Details about the appliance - proper use .................... 7 - type overview..................8 DHW temperature ................16, 18 Disinfection....................22 Disposal....................28 ECO button ..................18–19 Energy saving tips .................. - Page 31 Index | 31 Key pad lock....................21 Maintenance .....................27 Old appliances ..................28 Operation ....................10 Overview of controls ..................12 Packaging ....................28 Proper use ....................7 Recycling....................28 Safety instructions ..................5 Summer mode...................19 Supply temperature ...................14 Switching the appliance OFF ...............14 Switching the appliance ON.................14 Thermal disinfection................