Related Manuals for Bosch FLOW 8000 D
Summary of Contents for Bosch FLOW 8000 D
- Page 1 Installation and maintenance instructions for specialists Heat Interface Unit FLOW 8000 D F8000 40/50/60 D / F8000 40/50/60 DH...
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Page 2: Table Of Contents
12 Data Protection Notice ....... 26 HTransport information ▶ Only remove packaging just before assembly. FLOW 8000 D – 6721872703 (2024/07) -
Page 3: Product Information
▶ Have work carried out only by an approved installer. ▶ If any faults are discovered, have them remedied immediately. HHandover to the user When handing over the heating system, explain the operation and operating conditions to the operator. FLOW 8000 D – 6721872703 (2024/07) -
Page 4: Product Description
[23] Adapter for cold water meter (optional) [24] DHW temperature sensor NTC [25] Water hammer arrestor (optional) [26] Cold water outlet (optional) [27] Flow turbine and limiter with strainer [28] Plate heat exchanger [29] DHW air vent valve FLOW 8000 D – 6721872703 (2024/07) -
Page 5: Frost Protection
• When the Sense II is removed, the set value is saved. Type Plate The data plate includes the performance information, BESA Test Identification Number, approval data and serial number of the product [2]. There is an additional data plate behind the control unit [1]. FLOW 8000 D – 6721872703 (2024/07) -
Page 6: Product Dimensions And Minimum Clearances
Assembly in a cabinet The minimum clearances specified below apply in addition to the normal minimum clearances. ▶ Make sure that the temperature in the cabinet does not exceed 35 °C. FLOW 8000 D – 6721872703 (2024/07) -
Page 7: Preparatory Work
< 80 Table 4 Suitability of the potable water supply Heating water quality Water treatment and quality for the primary heat network should comply with the water treatment guidance contained within CIBSE CP1. FLOW 8000 D – 6721872703 (2024/07) -
Page 8: Assembly
Fig. 11 Vent: HIU and radiator Fig. 12 Set rotary selector on control unit 0010023106-01 0010023106-01 Fig. 9 Insert gaskets and hang HIU 0010025527-01 0010025527-01 Fig. 13 Set room controller Sense II, if installed FLOW 8000 D – 6721872703 (2024/07) -
Page 9: Mounting Wall Mounting Bracket
The mounting plate makes it easier to connect the pipework to the HIU and is a necessary accessory. ▶ Attach mounting plate securely. 00100 00100 53659 53659 Fig. 17 Place the HIU on the wall mounting bracket FLOW 8000 D – 6721872703 (2024/07) -
Page 10: Electrical Connection
• Phase (L) (e.g. 230 V room • PEN conductor (N) thermostat) • Earthing Table 7 Accessory connections to 230 V mains voltage, if available 0010017849-01 0010017849-01 Fig. 19 Fold up cover FLOW 8000 D – 6721872703 (2024/07) -
Page 11: Wiring The Control Unit
▶ Do not route cables along hot appliance components. NOTICE Damage to control unit! Small pieces of wire can cause shorts and damage to electronics. ▶ Make sure when stripping the cables that copper strands do not fall into the module. FLOW 8000 D – 6721872703 (2024/07) -
Page 12: Commissioning
When installing in a retro fit ensure the use of an external filter [1] for opened for 10 minutes. When the power supply is interrupted, the central heating circuit to prevent the accumulation of dirt inside the HIU. valves remain in position. FLOW 8000 D – 6721872703 (2024/07) -
Page 13: Adjusting The Control Unit
If the primary flow is above 70 °C: The rotary selector must be at this position! ▶ Mounting an DHW over temperature valve (mandatory). Function off Table 11 LED displays and positions on rotary selectors FLOW 8000 D – 6721872703 (2024/07) -
Page 14: Control Valve Status Indicators
Pressing the button awakens the meter from power saving mode and activates the display. • Short button press (< 3 seconds): shift within one loop. • Long button press (> 3 seconds): switches to the next loop. FLOW 8000 D – 6721872703 (2024/07) -
Page 15: Setting The Control Unit Sense Ii
Pri_Adr 1 Primary address 1 • Room-temperature-dependent temperature-dependent • Room temperature outlet Pri_Adr 2 Primary address 2 • Single room-dependent Installation position (cold pipe/ (depending on the setting) return pipe as standard) Table 19 FLOW 8000 D – 6721872703 (2024/07) -
Page 16: Commissioning Checklist
Have TRV's been mounted horizontally on radiators? Record the return temperature limiter set point (default 80) if adjusted? ______ °C Primary circuit flow temperature measured? ______ °C Primary circuit average return temperature measured? ______ °C FLOW 8000 D – 6721872703 (2024/07) -
Page 17: Environment/Disposal
For additional information on the environmentally compatible disposal of old electrical and electronic appliances, please contact the relevant local authorities, your household waste disposal service or the retailer where you purchased the product. You can find more information here: www.bosch-homecomfortgroup.com/en/company/legal-topics/weee/ FLOW 8000 D – 6721872703 (2024/07) -
Page 18: Inspection And Service
▶ Connect hose [3] to the drain valve. To drain the heat interface unit: ▶ Open the air vents at the top of the desired circuit. ▶ Close the air vents again after draining! Fig. 31 Drain point connection FLOW 8000 D – 6721872703 (2024/07) -
Page 19: Replacing Components
▶ Replace the gaskets [3] of the connecting plates [4, 5] if required. ▶ Install the new heat exchanger so the arrow points towards the centre of the appliance. ▶ Purge the system correctly and check for leaks. 0010053655-02 0010053655-02 Fig. 33 Clean the strainer FLOW 8000 D – 6721872703 (2024/07) - Page 20 By removing the retaining spring, the spring loses its tension. ▶ To remove the temperature sensor, compress the ends of the retaining spring, but do not remove it. Table 25 Bypass valve positions ▶ Drain DHW circuit completely. FLOW 8000 D – 6721872703 (2024/07)
- Page 21 ▶ Apply silicone lubricant to the seals to ease assembly. ▶ Release locking devices [4, 6] with a thin bladed screwdriver. ▶ Purge the system correctly and check for leaks. ▶ Open the cover [3]. FLOW 8000 D – 6721872703 (2024/07)
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Page 22: Troubleshooting
HIU control unit incorrectly set or temperature too low faulty ▶ Replace if necessary. Room controller incorrectly set or ▶ Adjust room controller. faulty ▶ Replace if necessary. Outdoor sensor positioned ▶ Position outdoor sensor correctly. incorrectly FLOW 8000 D – 6721872703 (2024/07) -
Page 23: Domestic Hot Water Trouble Shooting Guide
▶ Increase the supply differential pressure on the system. Calcified plate DHW heat exchanger ▶ Check heat exchanger. ▶ Replace heat exchanger. Cross leaking DHW plate heat ▶ Replace heat exchanger. exchanger FLOW 8000 D – 6721872703 (2024/07) -
Page 24: Led Displays At The Control Unit
Fault only detected, HIU will keep on trying to supply heat. heating or set DHW temperatures Flow temperature on primary side higher than Control valves will be kept closed and so no function except heating allowed (95°C) pump operation can be executed. FLOW 8000 D – 6721872703 (2024/07) -
Page 25: Fault Display Control Valves
▶ Set the rotary selector for the control valve on the EMS module to the required value. 11.5 Display Error codes heat meter The error message disappears automatically as soon as the source of the error is corrected. FLOW 8000 D – 6721872703 (2024/07) -
Page 26: Data Protection Notice
Data Protection Officer, Information Security and Privacy (C/ISP), pH value range, approx. (heating) 6 – 9.5 Robert Bosch GmbH, Postfach 30 02 20, 70442 Stuttgart, GERMANY. Maximum primary differential pressure 4 (without internal You have the right to object, on grounds relating to your particular... - Page 27 15 l/min 13,7 l/min 24 °C 34 kPa 80 °C 18 l/min 16,9 l/min 25 °C 51 kPa 80 °C 20 l/min 19,6 l/min 26 °C 69 kPa Table 33 Performance data F8000 50 FLOW 8000 D – 6721872703 (2024/07)
- Page 28 F8000 60, 50 kPa pressure loss Temperature range 5...130 °C F8000 60, 70 kPa pressure loss Starting temperature differential 0.125 K Flow measurement cycle with mains supply 1/8 s; with D-cell battery: 1 s Permissible temperature FLOW 8000 D – 6721872703 (2024/07)
- Page 29 F8000 40, 70 kPa pressure loss F8000 50 F8000 50, 50 kPa pressure loss F8000 60 F8000 50, 70 kPa pressure loss F8000 60, 50 kPa pressure loss F8000 60, 70 kPa pressure loss FLOW 8000 D – 6721872703 (2024/07)
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Page 30: Temperature Sensor
F8000 50, 70 kPa pressure loss 72228 15693 F8000 60, 50 kPa pressure loss 54889 12486 F8000 60, 70 kPa pressure loss 42069 10000 32506 8060 25313 8060 Table 38 Outdoor ambient temperature sensor FLOW 8000 D – 6721872703 (2024/07) -
Page 31: Circuit Diagram
[13] Heating control valve [14] DHW control valve [15] Return temperature sensor NTC heating circuit [16] Domestic Hot Water outlet sensor NTC [17] Flow turbine [18] Jumper (electronic summer bypass function) M-Bus connection for heat meter FLOW 8000 D – 6721872703 (2024/07) - Page 32 Bosch Thermotechnik GmbH GB Importer: Junkersstrasse 20-24 Bosch Thermotechnology Ltd. 73249 Wernau, Germany Cotswold Way, Warndon www.bosch-homecomfortgroup.com Worcester WR4 9SW, United Kingdom...
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