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Residential Gas Condensing Boiler
Greenstar FS/Combi FS
KBR16-3. |KBR21-3. |KBR28-3. |KBR35-3. |KBR42-3. |KWB28-3. |KWB35-3. |KWB42-3.
Installation and Service Instructions for Contractors
WARNING:
Improper installation, set-up, modification, operation or
maintenance of the heating system can cause personal injury and
property damage.
Follow these instructions precisely.
If you require assistance or further information, contact a trained
and certified installer or the gas supply company.
WARNING:
The operating instructions are part of the technical documents that
must be handed over to the owner or operator of the heating
system.
Explain to the owner or operator how to use the heating system
using the operating instructions. Make sure that they are familiar
with all required information for the safe and proper operation of
the heating system.
NOTICE:
In Massachusetts, this appliance must be installed by a licensed
plumber or gas fitter.
These instructions are available in English and French.
Please keep these instructions for future reference.
Warranty information available at www.bosch-climate.us
Annual service is required
Table of Contents
Related Manuals for Bosch KBR16-3
Summary of Contents for Bosch KBR16-3
- Page 1 These instructions are available in English and French. Please keep these instructions for future reference. Warranty information available at www.bosch-climate.us Annual service is required Residential Gas Condensing Boiler Greenstar FS/Combi FS KBR16-3. |KBR21-3. |KBR28-3. |KBR35-3. |KBR42-3. |KWB28-3. |KWB35-3. |KWB42-3. Installation and Service Instructions for Contractors...
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Page 2: Table Of Contents
2 | Table of Contents KBR..-3A appliances (heating boilers): Selecting an Table of Contents expansion vessel ......32 Selecting the installation location . -
Page 3: Key To Symbols And Safety Instructions
Key to symbols and safety instructions | 3 17.4 Check sensor values ......75 10 Boiler circulator . -
Page 4: General Safety Instructions
4 | Key to symbols and safety instructions General safety instructions ▶ A blocked vent switch tripping more than once indicates a problem with the venting system or chimney which must be repaired If you hear gas leaking immediately. ▶ Leave the building immediately. ▶... -
Page 5: Scope Of Delivery
Scope of delivery | 5 Scope of delivery KBR - Residential boiler for space heating and KWB - Residential combi boiler for space heating and loading of indirect fired DHW tanks DHW generation 6720810590-06.1Wo 6720810590-05.1Wo Fig. 1 Scope of delivery heating boiler KBR..-3A Fig. -
Page 6: Information About The Appliance
Constant temperature control Here you will find a list of typical accessories for this 16...42 Reference to output in kW. appliance. Refer to the Bosch Product Catalog for a 42kW output equals 143 310BTU/hr complete overview of all available accessories. -
Page 7: Product Dimensions And Minimum Clearances
Information about the appliance | 7 Product dimensions and minimum clearances Ø2 Ø1 6720810590-36.1Wo Fig. 4 [M1] ” - (467mm) [M2] ” - (88mm) [M3] ” - (243.5mm) [M4] 10” - (253.5mm) [M5] ” - (1003mm) [M6] ” - (301.5mm) [M7] ”... -
Page 8: Appliance Layout Heating Boiler Kbr
8 | Information about the appliance Appliance layout heating boiler KBR..-3A 6720810590-35.1Wo Fig. 6 Appliance layout heating boiler KBR..-3A 6 720 810 590 (2015/05) Greenstar FS... - Page 9 Information about the appliance | 9 Key to Fig. 6 Heating boiler KBR..-3A: Pre-wired low voltage installer connection box Pressure Relief Valve (PRV) Condensate hose Flue connector for twin pipe adaptor Air/gas premix chamber Pre-wired high voltage installer connection box Manual air bleed Additional supply temperature limiter [10] Connection of optional Low Water Cut Off (LWCO)
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Page 10: Appliance Layout Combi Boiler Kwb
10 | Information about the appliance Appliance layout combi boiler KWB..-3A 6720810590-34.1Wo Fig. 7 Appliance layout combi boiler KWB..-3A 6 720 810 590 (2015/05) Greenstar FS... - Page 11 Information about the appliance | 11 Key to Fig. 7 Combi boiler KWB..-3A: Pre-wired low voltage installer connection box Pressure Relief Valve (PRV) Condensate hose DHW inlet DHW outlet Flue connector for twin pipe adaptor Expansion vessel Pre-wired high voltage installer connection box Manual air bleed [10] Air/gas premix chamber [11] Connection for optional Low Water Cut Off (LWCO)
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Page 12: Electrical Wiring Heating Boiler Kbr
12 | Information about the appliance Electrical wiring heating boiler KBR..-3A Fig. 8 Electrical wiring diagram heating boiler KBR..-3A 6 720 810 590 (2015/05) Greenstar FS... - Page 13 Information about the appliance | 13 Key to Fig. 8 Heating boiler KBR..-3A: Top of control board Code plug System supply temperature sensor Diagnostic interface ON/OFF switch Fuse T 6.3 A (120 VAC) Ignition transformer Boiler high limit dial High voltage - Installer connection box External heating pump [10] DHW tank primary pump or 3 way valve [11] 120 VAC connection...
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Page 14: Electrical Wiring Combi Boiler Kwb
14 | Information about the appliance 3.10 Electrical wiring combi boiler KWB..-3A Fig. 9 Electrical wiring diagram combi boiler KWB..-3A 6 720 810 590 (2015/05) Greenstar FS... - Page 15 Information about the appliance | 15 Key to Fig. 9 Combi boiler KWB..-3A: Top of control board Code plug System supply temperature sensor Diagnostic interface ON/OFF switch Fuse T 6.3 A (120 VAC) Ignition transformer Boiler high limit dial High voltage - Installer connection box External heating pump [10] 120 VAC connection [11] Empty (future connectivity)
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Page 16: Technical Data Heating Boiler Kbr 16-3
16 | Information about the appliance 3.11 Technical data heating boiler KBR 16-3 Input/Output Unit LPG (Propane) Max. input rate 180/79 °F (82/26 °C) BTU/hr (kW) 57,200 (16.8) 56,400 (16.5) Max. output rate 104/86 °F (40/30 °C) BTU/hr (kW) 54,900 (16.1) 55,300 (16.2) Max. -
Page 17: Technical Data Heating Boiler Kbr 28-3
Information about the appliance | 17 3.12 Technical data heating boiler KBR 21 -3 Input/Output Unit LPG (Propane) Max. input rate 180/79 °F (82/26 °C) BTU/hr (kW) 79,200 (23.2) 77,500 (22.7) Max. output rate 104/86 °F (40/30 °C) BTU/hr (kW) 74,700 (21.9) 74,700 (21.9) Max. -
Page 18: Technical Data Heating Boiler Kbr 42-3
18 | Information about the appliance 3.13 Technical data heating boiler KBR 28-3 Input/Output Unit LPG (Propane) Max. input rate 180/79 °F (82/26 °C) BTU/hr (kW) 100,800 (29.5) 98,600 (28.9) Max. output rate 104/86 °F (40/30 °C) BTU/hr (kW) 93,800 (27.5) 93,800 (27.5) Max. - Page 19 Information about the appliance | 19 3.14 Technical data heating boiler KBR 35-3 Input/Output Unit LPG (Propane) Max. input rate 180/79 °F (82/26 °C) BTU/hr (kW) 131,900 (38.6) 129,100 (37.8) Max. output rate 104/86 °F (40/30 °C) BTU/hr (kW) 122,800 (36.0) 122,800 (36.0) Max.
- Page 20 20 | Information about the appliance 3.15 Technical data heating boiler KBR 42-3 Input/Output at elevation 0 - 2000 feet (0 - 610 metres) Unit LPG (Propane) Max. input rate 180/79 °F (82/26 °C) BTU/hr (kW) 151,600 (44.4) 148,300 (43.5) Max.
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Page 21: Technical Data Combi Boiler Kwb 28-3
Information about the appliance | 21 3.16 Technical data combi boiler KWB 28-3 Input/Output Unit LPG (Propane) Max. input rate 180/79 °F (82/26 °C) BTU/hr (kW) 100,800 (29.5) 98,600 (28.9) Max. output rate 104/86 °F (40/30 °C) BTU/hr (kW) 93,800 (27.5) 93,800 (27.5) Max. -
Page 22: Technical Data Combi Boiler Kwb 42 - 3
22 | Information about the appliance 3.17 Technical data combi boiler KWB 35 - 3 Input/Output Unit LPG (Propane) Max. input rate 180/79 °F (82/26 °C) BTU/hr (kW) 131,900 (38.6) 129,100 (37.8) Max. output rate 104/86 °F (40/30 °C) BTU/hr (kW) 122,800 (36.0) 122,800 (36.0) Max. - Page 23 Information about the appliance | 23 3.18 Technical data combi boiler KWB 42 - 3 Input/Output Unit LPG (Propane) Max. input rate 180/79 °F (82/26 °C) BTU/hr (kW) 151,600 (44.4) 148,300 (43.5) Max. output rate 104/86 °F (40/30 °C) BTU/hr (kW) 137,500 (40.3) 137,500 (40.3) Max.
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Page 24: Condensate Composition
24 | Regulations Input/Output Unit LPG (Propane) Voltage Frequency Max. power consumption (central heating mode) Max. power consumption (standby mode) <6 <6 ≤ 45 ≤ 45 Sound pressure level dB (A) Max. supply temperature °F ( °C) 190 (88) 190 (88) Max. -
Page 25: Additional Regulations For Installation In Massachusetts
Regulations | 25 Additional regulations for installation in Massachusetts (a) For all side wall horizontally vented gas fueled equipment installed in (c) MANUFACTURERS REQUIREMENTS - GAS EQUIPMENT VENTING every dwelling, building or structure used in whole or in part for SYSTEM REQUIRED. -
Page 26: Common Applications Of Kbr Boilers
26 | Common Applications of KBR boilers Common Applications of KBR boilers Multiple zones using zone valves with DHW Fig. 10 Piping Supply to heating zone 2 5.1.1 To utilize the LLH Motorized valve heating zone 2 ▶ Switch off and isolate the boiler Supply to heating zone 1 ▶... -
Page 27: Wiring - Multi Zone With Zone Valves And Lwco
Common Applications of KBR boilers | 27 5.1.2 Wiring - Multi zone with zone valves and LWCO When using CZM100 and CRC100 or CRC200 controls the factory installed jumper at terminal [2e] remains. The LWCO jumper on terminal [2g] is removed when using a LWCO. For LWCO function an external transformer is required CZM100 4 5 6... -
Page 28: Multiple Zones Using Circulators With Dhw
28 | Common Applications of KBR boilers Multiple zones using circulators with DHW Fig. 13 Piping Supply to heating zone 2 5.2.1 To utilize the LLH Pump heating zone 2 ▶ Switch off and isolate the boiler Supply to heating zone 1 ▶... -
Page 29: Wiring
Common Applications of KBR boilers | 29 5.2.2 Wiring When using CZM100 and CRC100 or CRC200 controls the factory installed jumper at terminal [2e] remains. The LWCO jumper on terminal [2g] is removed when using a LWCO. For LWCO function an external transformer is required CZM100 4 5 6 ≤... -
Page 30: Installation
▶ Empty out sediment traps. of 4.0 gpm plus the necessary supply and return piping, require primary- ▶ Systems containing antifreeze not approved by Bosch, must be secondary piping or a low loss header for hydraulic separation of the completely flushed to ensure no old fluid remains. -
Page 31: Other Important Information
Installation | 31 Water Chemistry Guidelines To protect the appliance against high pressure (ANSI/Z223.1/NFPA54 NOTICE: Insufficient antifreeze can accelerate (National fuel gas code) or CAN/CSA B 149.1 (Natural Gas and Propane corrosion. installation code)): ▶ Follow manufacturer's instructions on antifreeze ▶... -
Page 32: Comparing The Size Of The Integrated Expansion Vessel (Kwb-3A Boiler Only)
32 | Installation Comparing the size of the integrated expansion KBR..-3A appliances (heating boilers): Selecting an vessel (KWB-3A boiler only) expansion vessel The following diagrams allow verifying that the integrated expansion External expansion vessel vessel has sufficient capacity for the intended application, or if an ▶... -
Page 33: Low Loss Header (Llh) Utilization
Installation | 33 Low Loss Header (LLH) utilization 6.5.1 To utilize the LLH ▶ Switch off and isolate the boiler A Low Loss Header is primarily used on systems that require higher flow rate (gpm) requirements that exceed the flow rate (gpm) of the low mass ▶... -
Page 34: Locating The Appliance
34 | Installation Locating the appliance NOTICE: Residue, metal shavings, and contaminants in the piping can damage the appliance. ▶ Flush the piping thoroughly and completely to remove all residue. ▶ Follow the instructions with respect to water quality ( Chapter 6.1, page 30). ▶... -
Page 35: Installing A Low Water Cut Off (Lwco)
The following LWCO is approved with the boiler: • Hydrolevel Safgard 1100 The device is available at most Bosch wholesalers. It requires an external 24VAC minimum 20VA transformer provided on site. If other LWCO devices are to be used, they must be installed external to the boiler. -
Page 36: Connecting Flue Gas Accessories
• Twin pipe PP 2” (50mm) / 3" (80 mm) (M&G Duravent PolyPro and Centrotherm InnoFlue) • Concentric PP 3" / 5" (80/125 mm) (Bosch) Using the twin pipe adaptor: The twin pipe adaptor is supplied with the boiler kit as standard and is certified as a part of the vent system. -
Page 37: Installation Of The Exhaust And Air Intake System
Installation | 37 NOTICE: Vent connectors ▶ Vent connectors serving appliances vented by natural draft shall not be connected to any portion of mechanical draft systems operating under positive pressure. NOTICE: Burner damage! ▶ Avoid drawing in combustion air excessively loaded with dust or airborne particles. - Page 38 M&G Duravent PolyPro and Centrotherm InnoFlue (certified to ULC S636) PP rigid venting 3"/5" (80/125 mm) concentric ANSI Cat IV Bosch (manufactured by M&G PP rigid venting ANSI Cat IV Duravent) PP Flex Same as 3” PP above ANSI Cat IV PP Flex Same as 2”...
- Page 39 M&G Duravent PolyPro 3PPS-HTP Ø 3" (Ø 76 mm) single pipe termination M&G Duravent PolyPro 3PPS-HST Ø 3" / Ø 5" (Ø 80/125 mm) Bosch Greenstar Bosch (manufactured by M&G Duravent) 7738003218 Horizontal Telescopic Terminal Kit Table 10 Wall terminals NOTICE: ▶...
- Page 40 40 | Installation NOTICE: NOTICE: ▶ Vent terminations must keep the following minimum ▶ For clearances not specified in ANSI Z223.1 / NFPA clearances from electric meters, gas meters, 54 or CSA B149.1 regulators and relief equipment: 4 feet (1220 mm) Clearance in accordance with local installation codes [Canada 1830 mm] horizontally and in no case and the requirements of the gas supplier including...
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Page 41: Approved Examples Of Horizontal And Vertical Venting Installation
Installation | 41 6.8.2 Approved examples of horizontal and vertical venting installation ≥ 4" (102 mm) NOTICE: ▶ Place pipe supports every 5 feet (1525 mm) of horizontal and vertical run, beginning with support near boiler. ▶ The condensate must be disposed of in accordance with applicable rules. - Page 42 42 | Installation 6 720 810 590-23.1W Fig. 36 Vertical venting system (sealed combustion) 6 720 810 590-25.1Wo 6 720 810 590-24.1Wo Fig. 37 Vertical venting system (room air only) Fig. 38 Vertical venting system (sealed combustion) Key to Fig. 36, Fig. 37 and Fig. 38: Intake Exhaust Concentric termination...
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Page 43: Vent And Combustion Air Pipe Lengths
Installations Fig. 32, 33, 34, 36, 37 and 39 conform to the S636 standard - Plastic vent pipe for gas Separate terminations fired appliances 2" PIPE Maximum effective vent pipe length allowed for Ø 2" pipe KBR16-3 KBR35-3 KBR21-3 KWB35-3 Number of 90° KBR28-3 KBR42-3... -
Page 44: Testing Gas And Water Connections For Leaks
Installations Fig. 35 Stainless steel wall termination Fitting Equivalent 2" PIPE Maximum effective vent pipe length allowed for Ø 2" pipe 45° elbow 0.91 KBR16-3 KBR35-3 90° elbow 1.82 KBR21-3 KWB35-3 Table 15 Concentric pipe friction loss equivalent for fittings Number of 90°... -
Page 45: Making The Electrical Connections
Making the electrical connections | 45 Electrical connections in the junction boxes Making the electrical connections 7.2.1 Access to junction boxes All the electrical connections are available via the two installer junction General notes boxes, either high voltage (120 VAC) and low voltage (<24V DC). DANGER: Risk of electric shock! ▶... -
Page 46: Connecting An External Heating Zone Pump Or Dhw
( page 59). -or- ▶ Use service function 5.E to set connection to 03 (external heating pump) ( page 59). The DHW recirculation pump is controlled by the Bosch FW 200. 6 720 810 590 (2015/05) Greenstar FS... -
Page 47: Connecting Mains Power Supply
Bosch room controls ▶ Connect cable to the white plug according to Fig. 48. Connect only Bosch room controls to the internal BUS of this boiler. For installation and electrical connection of Bosch controls, see installation instructions for the Bosch control. -
Page 48: Dhw Tank Temperature Sensor Connection
48 | Making the electrical connections DHW tank temperature sensor connection Before connecting the DHW tank temperature sensor to the Low voltage (LV) connections. ▶ Remove the pre fitted connector [1] from DHW tank temperature sensor lead [2]. ▶ The DHW tank temperature sensor lead can now be wired to the Low voltage (LV) connection “DHW Sen”... -
Page 49: Commissioning
Commissioning | 49 Commissioning Fig. 54 Overview of the controls Emissions test button ▶ Bleed all air from the system. Service button ▶ If the boiler water pressure has dropped, fill the heating system again Burner operation indicator lamp to 14.5 to 21.75 psi (1 to 1.5 bar). ON/OFF power switch ▶... -
Page 50: Setting Up Space Heating
50 | Commissioning Programming the FW 200 heating control unit When the appliance is switched ON for the first time, it (optional accessory) performs a once-only purging sequence. This involves the heating zone pump switching on and off at intervals The FW200 outdoor reset control units an optional (for approx. -
Page 51: Fw 200 Outdoor Reset Heating Control Quick Start (Optional Accessory)
Commissioning | 51 FW 200 outdoor reset heating control quick start ▶ Press the dial P1 will be highlighted. (optional accessory) ▶ Press the dial This is a quick reference to highlight the BASIC The display will fl ash. programming of this control. For a more in depth ▶... -
Page 52: Adjusting Warm Weather Shut Down (Wwsd)
52 | Commissioning ▶ Press AT / °C All settings have now been reset to their factory settings with the exception of the date and time, which remain unchanged. - 10 - 20 After commissioning ▶ Check flue path for tightness. ▶... -
Page 53: Setting The Dhw Temperature
140 °F (60 °C) -or- If you want to leave the appliance switched OFF: Table 18 Typical DHW temperatures for combi boiler KWB..-3A ▶ Mix Bosch-approved anti-freeze into the heating water ( Tab. 5, ECO button page 31) and drain the DHW circuit. - Page 54 54 | KBR..-3A appliances (heating boiler) with DHW tank: Thermal disinfection reset 6 720 615 065-17.1O Fig. 64 Key pad lock Unlocking the key pad: ▶ Press the key pad lock button until the display shows only the supply temperature. KBR..-3A appliances (heating boiler) with DHW tank: Thermal disinfection Thermal disinfection covers the DHW system including the taps.
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Page 55: Boiler Circulator
Boiler circulator | 55 Boiler circulator 10.1 Pump anti-seize protection This function prevents the heating zone pump from seizing up following longer idle periods. The appliance will briefly run the pump at least every 24 hours after its last activation. 10.2 Changing the pump curve of the boiler pump The speed of the boiler pump can be changed using the dial on the pump. -
Page 56: Heatronic Boiler Control Settings
56 | Heatronic boiler control settings ▶ Press and hold the service button until it illuminates. The display Heatronic boiler control settings shows a code such as 1.A (first service level). Press the ECO button and key pad lock button simultaneously until the code 8.A appears 11.1 Guideline to service functions (second service level). -
Page 57: Second Service Level (At First Service Level, Service Button Lights Up, Press Eco Button And Key Pad Lock Button Simultaneously Until 8.A Appears)
Heatronic boiler control settings | 57 11.2.2 Second service level (at first service level, service button ▶ Exit the service functions. lights up, press ECO button and key pad lock button The display returns to the supply temperature. simultaneously until 8.A appears) Default setting is the maximum nominal output: 100 (100 %). - Page 58 58 | Heatronic boiler control settings Service function 0.E is set to 00 (metric units): Service function 3.A: Automatic anti-cycle function • The maximum supply temperature can be adjusted between 35 and If a outdoor reset control is connected, there is no need 88 (35 - 88 °C).
- Page 59 Heatronic boiler control settings | 59 It specifies the time from completion of preheating or DHW demand until Service function 4.F: Condensate trap filling sequence the next time the plate-type heat exchanger is heated up. This prevents DANGER: Risk of flue gas poisoning! the plate-type heat exchanger from overheating.
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Page 60: 11.3.2 Second Service Level
60 | Heatronic boiler control settings Service function 7.E: Building drying function If U0 appears on the display, the function was already set This service function allows you to start and stop the building drying via the FW200 control. function. Never confuse the appliance building drying function Service function 6.A: Display the latest fault code with the slab drying function of the outdoor reset control... - Page 61 Service function 9.E: Turbine signal delay Service function 8.C: GFA Gas burner control unit status (only combi boiler KWB..-3A) Internal parameter. If you are on the line with Bosch Technical Support NOTICE: System damage or boiler malfunction! you may be asked for this number.
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Page 62: Gas Type Conversion
1000 feet (305 m) applies. ▶ Close the gas cock prior to working on the gas train. The Bosch Greenstar boiler is factory set for installation ▶ Check for gas leaks after carrying out work on the gas below 2000 feet (610 m) above sea level. -
Page 63: Setting The Gas-Air Ratio (Co2 Or O2)
Gas type conversion | 63 12.3 Setting the gas-air ratio (CO or O ▶ Switch the appliance OFF using the ON/OFF switch. ▶ Remove the cover ( page 34). ▶ Switch the appliance ON using the ON/OFF switch. ▶ Unscrew a plug, indicated in the figure below, to open one of the flue gas test ports. -
Page 64: Dynamic Gas Pressure Test
64 | Flue gas test 12.4 Dynamic gas pressure test Flue gas test ▶ Switch the appliance OFF and close the gas shut-off valve. ▶ Loosen the screw in the test port for gas inlet pressure 13.1 Emissions test button (... -
Page 65: Environmental Responsibility/Disposal
▶ Cleaning of the heat exchanger should not be necessary until five years after the initial commissioning. ▶ Only use a Bosch cleaning blade or Bosch cleaning brush (page 68). ▶ Only clean heat exchanger if soiling is clearly visible. -
Page 66: Plate Type Heat Exchanger (Only Combi Boiler Kwb
66 | Inspection and maintenance 6 720 641 933-92.1o Fig. 77 Filter in fresh water pipe (combi boiler KWB.-3A only) 15.1.3 Plate type heat exchanger (only combi boiler KWB..-3A) 6720810590-42.1Wo If the DHW output on the combi boiler is significantly reduced: ▶... -
Page 67: 15.1.4 Checking The Electrodes
Inspection and maintenance | 67 2-1/4 + 3/4 ft.-lbf. (3 + 1 Nm) 6 720 641 933-28.1O Fig. 83 Reinstalling the electrode set 6720810590-43.1Wo Fig. 81 Removing the hydraulic assembly ▶ Remove the plate type heat exchanger. Gas/Gaz? 6 720 613 354-02.2O Fig. -
Page 68: 15.1.6 Heat Exchanger Block Inspection And Cleaning
▶ Cleaning of the heat exchanger should not be bottom to the top. necessary until five years after the initial commissioning. ▶ Only use a Bosch cleaning blade and Bosch cleaning brush ( page 69). ▶ Only clean heat exchanger in case if soiling is clearly visible. -
Page 69: 15.1.7 Condensate Trap Cleaning
Inspection and maintenance | 69 ▶ Clean the heat exchanger block with the brush from top to bottom. ▶ Clean the condensate tray (with reversed brush). 6 720 612 563-14.1O 6 720 610 332-75.2R Fig. 89 Cleaning the heat exchanger with the cleaning brush Fig. -
Page 70: 15.1.8 Checking The Mixer Diaphragm
70 | Inspection and maintenance ▶ Fill the condensate trap with approximately 1 cup (1/4 litre) of water ▶ If the indicator is below 14.5 psi (1 bar) when the system is cold, top and reinstall it. up the water. The indicator must be between 14.5 psi (1 bar) and 21.75 psi (1.5 bar). -
Page 71: Checklist For Annual Inspection And Maintenance
Inspection and maintenance | 71 15.2 Checklist for annual inspection and maintenance ▶ Use this form to guide you through the service and maintenance procedure. Fill out each step according to the findings and work performed. Date Latest fault code from service function 6.A ( page 65). Fresh water inlet filter (Combi boiler KWB appliances only) (... -
Page 72: Readings On The Display
72 | Readings on the display Status code Description Readings on the display Acknowledge by pressing any button (except reset). The boiler display can provide the following information (Tab. 27 and 28): Acknowledge by pressing two buttons Value displayed Description Range simultaneously Number or letter, dot... -
Page 73: Faults
Faults | 73 Faults 17.1 Troubleshooting DANGER: Explosion! ▶ Close the gas cock prior to working on the gas train. ▶ Check for gas leaks after carrying out work on the gas train. DANGER: Risk of flue gas poisoning. ▶ Check for leaks after carrying out work on the venting system. -
Page 74: Faults That Are Shown On The Display
74 | Faults 17.2 Faults that are shown on the display Display Description Elimination DHW temperature sensor defective. ▶ Check temperature sensor and leads for interruptions or shorts, and replace if defective. ▶ Insert code plug correctly; replace if defective. Communication fault. - Page 75 Faults | 75 Display Description Elimination No flame detected. ▶ Check that ground lead is properly connected, replace if defective. ▶ Check that gas cock is open. ▶ Check inlet gas pressure; correct if needed. ▶ Check power supply. ▶ Check electrodes for visual damage; replace if defective. ▶...
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Page 76: Faults That Are Not Shown On The Display
76 | Faults 17.3 Faults that are not shown on the display Appliance faults Elimination Combustion noise too loud; rumbling noises ▶ Insert code plug correctly; replace if defective. ▶ Check gas type. ▶ Check inlet gas pressure; adjust if defective. ▶... -
Page 77: Check Sensor Values
Faults | 77 17.4 Check sensor values 17.4.3 Supply temperature sensor, External supply temperature sensor, DHW tank temperature sensor, DHW temperature 17.4.1 Outdoor temperature sensor sensor Temperature °F ( °C ) Temperature °F ( °C) Testing tolerance ± 10% Resistance [ Ω ] Testing tolerance ±... -
Page 78: Commissioning Log For The Appliance
78 | Commissioning log for the appliance Commissioning log for the appliance Home owner/operator: Last name, first name Number, Street Telephone/fax ZIP code, town System installer: Order number: Appliance type: (Complete a separate log for every appliance!) FD (Date of manufacture): Date commissioned: ... - Page 79 Commissioning log for the appliance | 79 Modified service functions: (Select the modified service functions and enter the values here.) Example: Service function 7.d changed from 00 to 01 Heating control: FW 200 FB 100 × ..Qty, coding heating zone(s): ...
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Page 80: Spare Parts
80 | Spare parts Spare parts ▶ Order spare parts by name and part number using the spare parts list. Designation Spare parts list page 82 Group 1 - Sheet metal ... - Page 81 Spare parts | 81 6720810590-73.1Wo Fig. 94 Group 1 - Sheet metal Greenstar Greenstar FS 6 720 810 590 (2015/05)
- Page 82 Screw (10x) M5 x 12 2 914 411 420 0 Trade mark badge Bosch 8 716 011 807 0 Washer 8 710 302 042 0 ...
- Page 83 Spare parts | 83 6720810590-74.3Wo Fig. 95 Group 2 - Burner/Heat exchanger Greenstar Greenstar FS 6 720 810 590 (2015/05)
- Page 84 84 | Spare parts Item ( Fig. 95) Designation Order number Heat exchanger block 8 716 117 497 Heat exchanger block (incl. set of gaskets) 8 737 701 797 0 ...
- Page 85 Spare parts | 85 6720810590-75.1Wo Fig. 96 Group 3 - Gas valve Greenstar Greenstar FS 6 720 810 590 (2015/05)
- Page 86 86 | Spare parts Item ( Fig. 96) Designation Order number Fan RG130 USA 8 718 226 185 0 Diaphragm valve 8 715 505 928 0 ...
- Page 87 Spare parts | 87 Item 39 (Flow sensor) not shown 6720810590-76.2Wo Fig. 97 Group 4 - Pipes combi boiler KWB..3A Greenstar Greenstar FS 6 720 810 590 (2015/05)
- Page 88 88 | Spare parts Item ( Fig. 97) Designation Order number Siphon 8 710 506 271 0 Siphon cap 8 710 506 273 0 Pipe expansion vessel 8 716 117 514 ...
- Page 89 Spare parts | 89 6720810590-77.2Wo Item 37 (Flow sensor) not shown Fig. 98 Group 5 Pipes heating boiler KBR.. 3A Greenstar Greenstar FS 6 720 810 590 (2015/05)
- Page 90 90 | Spare parts Item ( Fig. 98) Designation Order number Siphon 8 710 506 271 0 Cover 8 710 506 273 0 Pressure gauge USA 8 716 117 503 ...
- Page 91 Spare parts | 91 6720810590-78.1Wo Fig. 99 Group 6 - Control box Greenstar Greenstar FS 6 720 810 590 (2015/05)
- Page 92 92 | Spare parts Item( Fig. 99) Designation Order number Control unit HTS Bosch USA 8 737 704 671 0 Rotary selector 8 716 011 785 0 ...
- Page 93 Spare parts | 93 6720810590-79.1Wo Fig. 100 Group 7 Hydraulic block combi boiler KWB.. 3A Greenstar Greenstar FS 6 720 810 590 (2015/05)
- Page 94 94 | Spare parts Item ( Fig. 100) Designation Order number Flat plate heat exchanger 18 plates 8 716 108 212 0 Seal 15mm 8 716 106 435 0 Supply manifold complete 8 716 106 356 0 ...
- Page 95 Index | 95 Electrical wiring Index KBR..-3A......... 12 KWB..-3A...
- Page 96 96 | Index 3-way valve in center position (service function 7.b) ..... 60 Key pad lock ......... . 53 Adaptation to elevation above sea level (service function 0.d) .
- Page 97 Index | 97 Pump lockout time (only KBR..-3A) (service function 2.A) ..... 57 Pump mode (only KBR..-3A) (service function 1.F) ..... 57 Pump post purge time (heating) (service function 9.F) .
- Page 98 98 | Notes 6 720 810 590 (2015/05) Greenstar FS...
- Page 99 | 99 Notes Greenstar FS 6 720 810 590 (2015/05)
- Page 100 50 Wentworth Avenue Londonderry, NH03053 Tel. 603-552-1100 Fax 603-965-7581 www.bosch-climate.us U.S.A. Products manufactured by: Worcester, Bosch Group, Cotswold Way, Worcester WR4 9SW www.worcester-bosch.co.uk Bosch Thermotechnology Corp. reserves the right to make changes without notice due to continuing engineering and technological advances...