Worcester Greensource 9,5 Installation Manual
Worcester Greensource 9,5 Installation Manual

Worcester Greensource 9,5 Installation Manual

Air to water heat pump with domestic hot water distribution unit
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INSTALLATION MANUAL

AIR TO WATER HEAT PUMP WITH DOMESTIC HOT WATER DISTRIBUTION UNIT
GREENSOURCE
6 KW, 7 KW AND 9.5 KW
6 720 641 467-00.1I
UK/IE
For latest prices and delivery to your door visit MyTub Ltd - www.mytub.co.uk - info@mytub.co.uk 0844 556 1818

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Summary of Contents for Worcester Greensource 9,5

  • Page 1: Installation Manual

    INSTALLATION MANUAL AIR TO WATER HEAT PUMP WITH DOMESTIC HOT WATER DISTRIBUTION UNIT GREENSOURCE 6 KW, 7 KW AND 9.5 KW 6 720 641 467-00.1I UK/IE For latest prices and delivery to your door visit MyTub Ltd - www.mytub.co.uk - info@mytub.co.uk 0844 556 1818...
  • Page 2: Table Of Contents

    TABLE OF CONTENTS TABLE OF CONTENTS Control panel display ....27 Explanation of symbols and safety information Control panel function ....27 Explanation of symbols .
  • Page 3: Explanation Of Symbols And Safety Information

    EXPLANATION OF SYMBOLS AND SAFETY INFORMATION EXPLANATION OF SYMBOLS AND SAFETY INFORMATION EXPLANATION OF SYMBOLS SAFETY PRECAUTIONS WARNING SYMBOLS GENERAL B Read the guide carefully and keep it to hand for future Safety instructions in this document are use. framed and identified by a warning triangle which is printed on a grey background.
  • Page 4: Benchmark

    BENCHMARK BENCHMARK Benchmark places responsibilities on both manufacturers and installers. The purpose is to ensure that customers are provided with the correct equipment for their needs, that it is installed, commissioned and serviced in accordance with the manufacturer's instructions by competent persons and that it meets the requirements of the appropriate Building Regulations.
  • Page 5: Building Regulations

    BUILDING REGULATIONS BUILDING REGULATIONS This appliance must be installed and serviced only by a competent person in accordance with the current: IEE Regulations, Building Regulation, Building Standards (Scotland) (Consolidation), Building Regulations (Northern Ireland), local water by-laws, Health & Safety Document 63S (The Electricity at Work Regulations 1989), IS 813 (Eire) and other local requirements.
  • Page 6: Included In The Delivery

    INCLUDED IN THE DELIVERY INCLUDED IN THE DELIVERY GREENSOURCE 6, 7 & 9.5 WITH INTERNAL UNIT HWDU-151 6 720 641 467-79.1I Fig. 1 With heat pump: With unvented air to water kit: Valve with filter Blending valve Circlip pliers DHW expansion vessel Rubber feet High flow rate inlet control set Outdoor sensor T2 with cable (with HWDU)
  • Page 7: General

    GENERAL GENERAL MINIMUM AND MAXIMUM Only qualified installers may carry out the OPERATING TEMPERATURES installation. The installer must follow Maximum operating return temperature: The heat applicable rules and regulations and pump can operate with a maximum return temperature recommendations from the manufacturer. of approx.
  • Page 8: Checklist

    GENERAL CHECKLIST LOCATIONS OF THE TEMPERATURE SENSORS Each heat pump installation is unique. The following checklist will give you a general 5.7.1 GREENSOURCE 6-9.5 WITH INTERNAL UNIT description of how the installation should HWDU-151 be carried out. 5.6.1 GREENSOURCE 6-9.5 WITH INTERNAL UNIT HWDU-151 1.
  • Page 9: Can-Bus

    GENERAL CAN-BUS CAN-BUS cable must not be laid alongside power supply cables. Minimum distance 100 mm between cables. The various circuit boards in the heat pump and hwdu They may be laid alongside sensor cables. are connected by a CAN-BUS communications cable. CAN (Controller Area Network) is a two-wire system for Ensure that the external CAN- BUS cables when routed communication between microprocessor based...
  • Page 10: Handling Circuit Boards

    GENERAL HANDLING CIRCUIT BOARDS A condition for good ESD protection is a ground- connected bracelet when handling electronics. This Circuit boards with control electronics are sensitive to bracelet should be put on before opening the screened discharges of static electricity (ESD – ElectroStatic metal bag/packaging or before exposing an installed Discharge) when handled.
  • Page 11: Appliance Layout

    GENERAL 5.10 APPLIANCE LAYOUT 5.10.2 INTERNAL UNIT HWDU-151 5.10.1 HEAT PUMP 6 720 641 935-05.1I Fig. 9 Connection chamber, internal unit Pressure gauge (System operating pressure 0.5 – 1.5 bar) Mixing valve 6 720 616 818-08.1I Heat carrier pump (G2) Fig.
  • Page 12: Dimensions, Clearance And Pipe Connections

    DIMENSIONS, CLEARANCE AND PIPE CONNECTIONS DIMENSIONS, CLEARANCE AND PIPE CONNECTIONS HEAT PUMP 6 720 616 817-27.1I Fig. 10 Greensource 6-9.5 dimensions Drain Cable entry Flow to the HWDU (hose, 1" fem. thread) Return from the HWDU (hose, 1" fem. thread) REQUIRED MINIMUM CLEARANCES FOR THE HEAT PUMP A minimum clearance of 1 m is required in front of the...
  • Page 13: Internal Unit

    DIMENSIONS, CLEARANCE AND PIPE CONNECTIONS INTERNAL UNIT B Connect the cold water supply to the outlet marked cold water. B Connect the DHW pipe to the outlet marked DHW. The following connections must be made at the heat pump: B A 32 mm drain pipe from the drain connection to the drain.
  • Page 14: Fitting The Filter Valve

    DIMENSIONS, CLEARANCE AND PIPE CONNECTIONS 6 720 616 817-06.1I Fig. 13 Back and top view of the internal unit Heating return Heating water inlet (from the heat pump) Heating flow Heating water outlet (towards the heat pump) FITTING THE FILTER VALVE The task of the particle filter is to filter out dirt before it can enter the heat pump.
  • Page 15: Heating System Connection

    HEATING SYSTEM CONNECTION HEATING SYSTEM CONNECTION FITTING THE UNVENTED KIT DETAILED G3 DISCHARGE PIPE INSTALLATION REQUIREMENTS 7.1.1 PARTS TO ASSEMBLE The discharge pipework must be routed in accordance with part G3 of schedule 1 of the building Regulations. The tundish should be vertical, located in the same space as the unvented hot water cylinder and be as close as possible and within 600mm of the safety device e.g.
  • Page 16: Tundish (Hwdu)

    HEATING SYSTEM CONNECTION 600 mm maximum 300 mm maximum 6 720 641 467-75.1I Fig. 15 Typical discharge pipe arrangement TUNDISH (HWDU) Safety device (e. g. temperature pressure relief valve) Metal discharge pipe (D1) from temperature relief value to Fit the tundish and straight fitting G1" x 28 mm as shown tundish on the illustration.
  • Page 17: How To Drain The Hot Water Cylinder

    HEATING SYSTEM CONNECTION Deduct the figure below Size of dis- Size of dis- Maximum length of from the maximum length Valve outlet charge pipe- charge pipe- straight pipe (no bends or for each bend or elbow in size work D1 work D2 elbows) the discharge pipe...
  • Page 18: Connecting The Heat Pump To The Heating System

    HEATING SYSTEM CONNECTION CONNECTING THE HEAT PUMP TO THE HEATING SYSTEM B The heating system pipes must be laid so that they withstand temperature differences in the heating water, without the risk of noise or clicking in the heating system. To prevent vibrations between the heat pump and the remaining system: B Install the flexible hoses at the inlet and outlet for the...
  • Page 19: Connection Principle Of The Internal Unit

    HEATING SYSTEM CONNECTION CONNECTION PRINCIPLE OF THE DHW heating has priority. DHW is regulated by means of the actual temperature captured by cylinder INTERNAL UNIT temperature sensor T3. Heating is switched off via the 3- The principle method of operation is based on the way valve when the DHW cylinder is being heated up.
  • Page 20: Filling The Heating System

    HEATING SYSTEM CONNECTION 7.10 FILLING THE HEATING SYSTEM After flushing the heating system the hot water heater must be filled with water. The heating system is then filled. WARNING: The water heater can crack if filling is performed in the wrong order. B Fill and pressurise the hot water heater before the heating system is filled.
  • Page 21: Power Supply

    POWER SUPPLY POWER SUPPLY On the IOB board, there is a thermostat for regulating DANGER: From electric shock! the flow temperature in emergency mode. At the factory, B Prior to connecting the power supply, the thermostat is set to 35 °C. This standard setting isolate the heating system from the applies to systems with underfloor heating.
  • Page 22: Heat Pump

    POWER SUPPLY HEAT PUMP 6 720 641 467-73.1I Fig. 23 Greensource 6-9.5 wiring diagram Phase sequence relay Casing heater Optional heater cable Fuse Compressor contactor Compressor MB1 Compressor overload relay 4-way valve Soft starter High pressure switch Low pressure switch Termination switch Hot gas temperature sensor Heating water temperature sensor, out...
  • Page 23 POWER SUPPLY 8.3.1 EXTERNAL HEAT PUMP CONNECTIONS 6 720 641 467-84.1I Fig. 24 External connections POWER SUPPLY Connect the power cable to terminals L1, N and PE chapter 8.4). Ensure connection to the same phase sequence as the internal unit. CAN-BUS Connect the screened communication cable between the internal unit and the heat pump to terminals GND,...
  • Page 24: Internal Unit Hwdu-151

    POWER SUPPLY INTERNAL UNIT HWDU-151 8.4.1 WIRING DIAGRAM 6 720 641 467-71.1I Fig. 25 Wiring diagram Do4 Open Thermostat for emergency operation Do5 Close Flow temperature sensor, heating Electric additional heater 4.5 kW Outside temperature sensor Fuse Cylinder temperature sensor Overheat protection Room temperature sensor (accessory) Impressed current anode inside the DHW cylinder...
  • Page 25 POWER SUPPLY 8.4.2 CONNECTION AT THE HEAT PUMP 6 720 641 467-78.1I Fig. 26 Connection diagram, heat pump - HWDU-151 Heater cable (accessory) Primary heating circuit pump, not connected in the delivered condition Outside temperature sensor Room temperature sensor (accessory) Internal unit Power guard (accessory) Heat pump...
  • Page 26 POWER SUPPLY 8.4.3 EXTERNAL CONNECTIONS – HWDU-151 6 720 614 056-21.1D Fig. 27 External connections – HWDU-151 POWER SUPPLY Connect the power cable to terminals L1, N and PE chapter 8.4). Ensure connection to the same phase sequence as the heat pump. OUTSIDE TEMPERATURE SENSOR (T2) Connect the outside temperature sensor to terminals Ai2 and GND.
  • Page 27: Control Panel

    CONTROL PANEL CONTROL PANEL All settings are made and possible alarms are displayed MENU DISPLAY via the control panel. The control panel enables the control unit to be controlled in accordance with user requirements. If the heat pump is supplied together with an internal unit, control panel and control unit are integrated into the internal unit.
  • Page 28: Menu Levels

    CONTROL PANEL MENU LEVELS • Menu Customer level, the most common functions. • Advanced menu Customer level, other functions. • Installer/Service Basic settings for installers or service representatives. The system user only sees the menu points shown on both user levels. See the operating instructions for a description of these two user levels.
  • Page 29: Installation And Service Menu (I/S)

    INSTALLATION AND SERVICE MENU (I/S) INSTALLATION AND SERVICE MENU (I/S) CAUTION: Changes in the installation and service menu (I/S) can have severe consequences for the system. B Only qualified contractors should make adjustments in the installation and service menu (I/S). 6 720 641 467-02.1I Fig.
  • Page 30: Menu Overview

    MENU OVERVIEW MENU OVERVIEW The Menu and Advanced menu tables show the preset values are listed in tables Factory settings respectively upper level of available menu points. The chapter 15.1). Menu Fast restart of heat pump? (only 400V) Start up Setting the clock Connected extra sensors Air/Water pump in operation...
  • Page 31 MENU OVERVIEW Advanced menu Temperature Lowest outdoor temperature Heating system temperature Room sensor settings (T5) Time limited settings External control heating Heating season Heating, maximum operating time at hot water demand Shut down protection, change over hot water to heating Compressor working area settings Hot water Extra hot water...
  • Page 32 MENU OVERVIEW Advanced menu Setting the clock Set date K, I/S Set time K, I/S Display Contrast K, I/S Brightness K, I/S Alarm Alarm log K, I/S Alarm history Warning log Access level K, I/S Return to factory settings K, I/S Deactivate alarm buzzer Program version K, I/S...
  • Page 33: Commissioning

    COMMISSIONING COMMISSIONING At the time of commissioning, complete all Greensource 6-9,5 kW = 6-11kW relevant sections of the Benchmark Checklist located on the inside back pages of this document. 12.2 START-UP Before commissioning: All functions to carry out the basic settings in the heating B Open all radiators or underfloor heating systems.
  • Page 34 COMMISSIONING 12.2.4 MANUAL OPERATION? 12.2.8 FAN DEFROST INTERVAL AND FAN DEFROST TIME Before commissioning the heating installation, all functions can be checked, by manually starting and Hot air is blown through the fan to defrost it. If the fan is stopping them.
  • Page 35: Other Settings

    COMMISSIONING 12.2.10 BLOCK CRANKCASE HEATER AT HIGH 12.2.16 HEAT PUMP SIZE OUTDOOR TEMPERATURE The crankcase temperature is monitored by temperature sensor T12. The crankcase heating inside the compressor stops if the outside temperature exceeds the selected value. The crankcase heater is active when the compressor is idle and the outside temperature falls 6 720 641 467-12.1I below the selected value.
  • Page 36 COMMISSIONING Adjust the heating curve. For example, the heating settings for underfloor heating systems could be below the factory default settings. Set a suitable H and V value. 6 720 616 818-09.1I Fig. 44 The heat pump stops at outdoor temperatures lower than approx -20 °C.
  • Page 37: Post Commision Checking

    COMMISSIONING 12.4 POST COMMISION CHECKING The flow rate in the heating system must be adequate to fully heat all radiators. This maximises the heat radiating To safeguard the optimum system function, check the surface and keeps the flow temperature low. temperature on the hot side of the heat pump.
  • Page 38: Timer Functions

    TIMER FUNCTIONS TIMER FUNCTIONS HEATING, MAXIMUM OPERATING TIME AT HOT WATER DEMAND Displays the remaining time before the maximum time in heating mode is reached if there is a simultaneous hot water requirement. 6 720 641 467-01.1I HOT WATER, MAXIMUM OPERATING TIME AT HEATING SYSTEM DEMAND Fig.
  • Page 39: Alarm Functions And Displays

    ALARM FUNCTIONS AND DISPLAYS ALARM FUNCTIONS AND DISPLAYS 14.2 WARNING LOG After servicing, complete the relevant The alarm log and the warning log stores alarms and Service Interval Record section of the warnings in chronological order. Benchmark Checklist located on the inside back pages of this document.
  • Page 40: Overheating Protection

    ALARM FUNCTIONS AND DISPLAYS illuminate. Emergency mode can also be selected B Refit the filter, locking ring and plug. manually. For this, activate the switch. The lamp inside B Open the valve and start the heat pump via the ON/ the switch extinguishes.
  • Page 41: Alarm Window

    ALARM FUNCTIONS AND DISPLAYS 14.9 ALARM WINDOW POSSIBLE CAUSE 1: AIR IN THE HEATING SYSTEM. B Select Acknowledge. 14.9.1 TRIPPED LOW PRESSURE SWITCH B Check whether air is in the heating system. B Fill the heating system and vent if required. POSSIBLE CAUSE 2;...
  • Page 42 ALARM FUNCTIONS AND DISPLAYS PROBABLE CAUSE 1; TEMPORARY FAULT: Possible cause 1: Overheat protection of the additional heater has tripped. B Wait and see. B Select Acknowledge. PROBABLE CAUSE 2; DEFECTIVE SENSOR OR B Reset the overheat protection on the additional INCORRECT CONNECTION: heater ( Chapter 14.6).
  • Page 43: Warning Window

    ALARM FUNCTIONS AND DISPLAYS B Fill the heating system and vent if required. 14.9.10 HEAT PUMP NOT CONNECTED Communication error between the internal unit and the POSSIBLE CAUSE 2; BLOCKED PARTICLE FILTER: heat pump. B Select Acknowledge. B Check CAN-BUS. B Check filter.
  • Page 44: Information From The Heat Pump

    ALARM FUNCTIONS AND DISPLAYS B Select a higher speed for the primary heating circuit PROBABLE CAUSE 1; THE HEAT SETTING IS SET SO pump (G2). Also set a higher speed for the heating HIGH THAT THE HEATING SYSTEM’S RETURN circuit pump, as it needs to run with the same or a TEMPERATURE IS TOO HIGH: higher speed than the primary heating circuit pump.
  • Page 45 ALARM FUNCTIONS AND DISPLAYS POSSIBLE CAUSE 1: OUTSIDE TEMPERATURE LOWER THAN -20 °C. POSSIBLE CAUSE 2: EXCESSIVE TEMPERATURE DIFFERENTIAL BETWEEN EVAPORATION AND CONDENSING. THE COMPRESSOR PERMITS THE ADDITIONAL HEATER TO SUPPLY THE CORRECT TEMPERATURE IF IT CANNOT DO SO ON ITS OWN. POSSIBLE CAUSE 3: LOW REFRIGERANT LEVEL.
  • Page 46: Technical Information

    TECHNICAL INFORMATION TECHNICAL INFORMATION 15.1 FACTORY SETTINGS Menu Level F-value The table displays the factory values (F value) of the _”_\Electrical connection 230V/400V settings that you, as a customer, (K) can change via the _”_\Heat pump size 6-11kW/ customer menus Menu and Advanced menu. 12-17kW The menu points in the installation and service menus (I/ Room temperature setting (T5)
  • Page 47 TECHNICAL INFORMATION Advanced menu Level F-value Advanced menu Level F-value _”_\Heating season _”_\_”_\Time for reached temperature dif- 60 s ference _”_\_”_\Heating season limit 18 °C _”_\_”_\Difference at +10 °C 8 °C _”_\_”_\Delay _”_\_”_\Difference at 0 °C 4 °C _”_\_”_\Direct start limit 10 °C _”_\_”_\Differential at -10 °C 2 °C...
  • Page 48 TECHNICAL INFORMATION Advanced menu Level F-value _”_\_”_\Ramp time increase 20 min. _”_\_”_\Ramp time decrease 10 min. _”_\Mixing valve settings _”_\_”_\Mixing valve delay 20 min. _”_\_”_\Neutral zone 1.0 °C _”_\_”_\Running time extension _”_\_”_\_”_\Increase signal extension _”_\_”_\_”_\Decrease signal extension _”_\_”_\Additional heat maximum temperature _”_\_”_\_”_\Mixing valve limitation start 57 °C temperature...
  • Page 49: Technical Data

    TECHNICAL INFORMATION 15.2 TECHNICAL DATA Heat pump Output/input at +7/35° 5,43 / 1,50 7,27 / 2,20 8,36 / 2,45 Output/input at +2/35° 4,56 / 1,45 6,13 / 2,16 7,14 / 2,41 COP at +7/35º 3,62 3,31 3,41 COP at +2/35º 3,15 2,83 2,96...
  • Page 50: Sound Pressure Level

    TECHNICAL INFORMATION 15.4 TEMPERATURE SENSOR RESISTANCE Internal unit HWDU VALUES Output of the internal unit Temperature ( °C) k Ω Circulation pump rating – 40 154.30 230V 1N~ Power supply – 35 111.70 50Hz – 30 81.70 Maximum power consump- tion –...
  • Page 51: Supplementary Technical Information

    TECHNICAL INFORMATION 15.5 SUPPLEMENTARY TECHNICAL INFORMATION Maximum water supply pressure to the pressure reducing valve 16 bar Operating pressure DHW 3 bar Expansion vessel charge pressure 3 bar Expansion valve setting 6 bar Maximum primary working pressure 2,5 bar Set opening pressure of the combined temperature and pressure relief valve 7 bar / 95°C Expansion vessel, 19 Litres 3 bar...
  • Page 52: Commissioning Report

    COMMISSIONING REPORT COMMISSIONING REPORT Customer/system user: System installer: Type of heat pump: Heat pump serial number: Commissioning date: HWDU serial number: Other system components: Outdoor sensor T2 Room temperature sensor T5 Hot water cylinder temperature sensor T3 Others: Points to be checked prior to commissioning Heating system: Filled Checked Electric heater set to 4.5 kW: Set...
  • Page 53: Benchmark Log Book

    BENCHMARK LOG BOOK BENCHMARK LOG BOOK AIR TO WATER HEAT PUMP COMMISSIONING CHECKLIST This Commissioning Checklist is to be completed in full by the competent person who commissioned the heat pump and associated equipment as a means of demonstrating compliance with the appropriate Building Regulations and then handed to the customer to keep for future reference. Failure to install and commission this equipment to the manufacturer’s instructions may invalidate the warranty but does not affect statutory rights.
  • Page 54 BENCHMARK LOG BOOK Service Record It is recommended that your heating system is serviced regularly and that the appropriate Service Interval Record is completed. Service Provider Before completing the appropriate Service Interval Record below, please ensure you have carried out the service as described in the manufacturer’s instructions.
  • Page 55 BENCHMARK LOG BOOK 6 720 641 467 (2010/01) For latest prices and delivery to your door visit MyTub Ltd - www.mytub.co.uk - info@mytub.co.uk 0844 556 1818...
  • Page 56 Worcester, Bosch Group Cotswold Way, Warndon, Worcester WR4 9SW. Tel. 0844 892 9900 Worcester, Bosch Group is a brand name of Bosch Thermotechnology Ltd. worcester-bosch.co.uk 6 720 641 467 For latest prices and delivery to your door visit MyTub Ltd - www.mytub.co.uk - info@mytub.co.uk 0844 556 1818...

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