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Bosch Compress 3000 AWES 2-6 Installation Manual

Indoor unit for air to water heat pump
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Installation manual
Indoor unit for air to water heat pump
Compress 3000 AWES
AWES 2-6 | 8-15



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  Summary of Contents for Bosch Compress 3000 AWES 2-6

  • Page 1 Installation manual Indoor unit for air to water heat pump Compress 3000 AWES AWES 2-6 | 8-15...
  • Page 2: Table Of Contents

    Table of contents 6.4.1 Operating temperatures ......18 Table of contents Maintenance ........18 Explanation of symbols and safety instructions .
  • Page 3: Explanation Of Symbols And Safety Instructions

    Explanation of symbols and safety instructions H Intended use Explanation of symbols and safety instructions This product is intended for use in sealed heating systems in residential buildings. Explanation of symbols Any other use is considered unsuitable. Liability will Warnings not be assumed for any resulting damage.
  • Page 4: Water Quality

    Product description Water quality Only use additives to increase the pH value and keep the water clean. Water quality in the heating system Heat pumps work at lower temperatures than other heating systems, Water quality Limit values for the heating system which is why thermal deaerating is less effective and the remaining Hardness <3 °dH...
  • Page 5: Information On The Indoor Unit

    Product description Information on the indoor unit Product overview The AWES indoor units are intended for installation inside the building and connection to the outdoor unit. Possible combinations: AWES Outdoor unit (ODU) 8-15 8-15 11s/t 8-15 13s/t 8-15 15 s/t Table 3 Selection table for wall mounted heat pump indoor units AWES AWES is equipped with an integrated electric booster heater.
  • Page 6: Product Dimensions And Minimum Clearances

    Preparing for installation Product dimensions and minimum clearances Mount the indoor unit high enough so that the control unit is easy to use. In addition, take into account pipes and connections under the indoor unit. Fig. 4 Dimensions and connections Pipe dimensions Pipe dimensions (mm) AWES...
  • Page 7: Functional Principle

    Installation Functional principle situations, the electric booster heater can be activated to ensure complete defrosting. This depends on the available radiator surface The function is based on the demand-actuated control of the compressor area. output by switching in the integrated auxiliary heater via the indoor unit. The control unit controls the outdoor unit depending on the set heating Heating system with 1 heating circuit without mixer and 1 heating curve.
  • Page 8: Insulation

    Installation If it is envisaged that the cooling operation be carried out below the dew CAUTION: point, all connections and cables must be appropriately insulated in accordance with the valid regulations (minimum insulation thickness Risk of injury! 13 mm). During transport and installation there are a risk of crushing injury. During maintenance internal parts of the appliance can become hot.
  • Page 9: Checklist

    Installation Fig. 6 Cable feeds (view from below) Cable feed for sensor, CAN-BUS and EMS BUS Cable feed for power input Checklist Each installation is different. The following checklist contains a general description of the recommended installation steps. The refrigerant line should be connected before the hydraulic connections as a recommendation.
  • Page 10: Connection

    Installation Connection 2. Connect heat transfer medium pipes from the heat pump to [2] fig. 5.6.1 Connecting the indoor unit with integrated electric booster 3. Connect heat transfer medium pipes to the heat pump [1] fig. 7. heater 4. Connect the return from the heating system to [7] fig. 7. Install the following connections at the indoor unit: 5.
  • Page 11: Heating Pump (Pc0)

    Installation Fig. 8 Indoor unit with integrated immersion heater and heating system [Z1] Heating system (without mixing valve) unit of the indoor unit for the given heating system ( instructions of the Heat pump, outdoor unit control unit). Manual air vent valve The pump speed is automatically adjusted for optimum operation.
  • Page 12: Electrical Connection

    Installation Electrical connection 5.7.2 CAN-BUS NOTICE: DANGER: Malfunction due to faults! Electrical shock! High-voltage lines (230/400 V) near communication lines can cause the The heat pump components conduct electricity. indoor unit to malfunction. ▶ Before working on the electrical system, disconnect the components ▶...
  • Page 13: Handling Printed Circuit Boards

    Installation 5.7.4 Fitting temperature sensors In the default setting, the control unit automatically controls the flow temperature based on the outdoor temperature. A room temperature- dependent controller can be installed for greater comfort. If cooling mode is intended, a temperature controller is absolutely essential. 5.7.5 Flow temperature sensor T0 The temperature sensor is part of the scope of delivery of the indoor unit.
  • Page 14: External Connections

    Installation 6 720 809 156-23.1I Fig. 11 Outdoor temperature sensor positioning 5.7.7 External connections NOTICE: Material damage due to incorrect connection! The electrical components may become damaged if connected to the wrong voltage or current. ▶ Only make connections that are adapted for 5 V and 1 mA to the external connections of the indoor unit.
  • Page 15: Connections Of Sec 20 Installer Module Of Indoor Unit With Electric Heater

    Installation 5.7.8 Connections of SEC 20 installer module of indoor unit with electric heater Fig. 12 SEC 20 installer module of indoor unit with electric heater Continuous line = connection made at the factory [PC0] Heating pump (brine pump) Dotted line = connection made during installation: CAN-BUS to outdoor unit Alarm electric heater/pressure switch (~230 V input voltage) Max load for relay outputs PW2, PK2, VW1, PC1: 2 A, cos φ...
  • Page 16: Connection Alternative For Ems Bus

    Installation 5.7.9 Connection alternative for EMS bus Fig. 13 Connection alternative for EMS bus Star configuration and connection in series with external junction Star configuration Serial connection Installation circuit board Accessory modules (room temperature-dependent controller, heating circuit module and solar module) Compress 3000 AWES –...
  • Page 17: Commissioning

    Commissioning Commissioning Venting the indoor unit Fig. 14 Indoor unit with internal immersion heater and heating system [Z1] Heating system (without mixing valve) 8. Check the pressure on the pressure gauge GC1 and top up with the Heat pump, outdoor unit fill valve VW2 if needed.
  • Page 18: Pressure Switch And Overheating Protection

    Maintenance Pressure switch and overheating protection 6.4.1 Operating temperatures The operating temperature check must be performed in heating mode The pressure monitor and overheating protection are only installed in (not in DHW or cooling mode). indoor units with integrated electric booster heater. For optimum system operation, the flow rate in the heat pump and The pressure switch and overheating protection are connected in series.
  • Page 19: Particle Filter

    Installation of accessories Install power cable Installation of accessories ▶ Check the power cable for mechanical damage. Replace damaged cables. Temperature controller (accessory, see separate Particle filter instructions) The filter prevents particles and contamination from entering the heat pump. Over time, the filter can become blocked and must be cleaned. If the temperature controller is installed after commissioning the system, it must be set in the commissioning menu as control unit for the corresponding heating circuit (...
  • Page 20: Installation Of The Domestic Hot Water Cylinder

    Installation of accessories DHW cylinder temperature sensorTW1 When a DHW cylinder is connected and TW1 is connected to the system, Maximum load at relay outputs: 2 A, cosϕ > 0.4. If the load is higher, it this is automatically actuated upon starting. will be necessary to use an intermediate relay.
  • Page 21: Several Heating Circuits (With Heating Circuit Module)

    Installation of accessories A room temperature-dependent control unit (accessory) must be installed for the cooling mode. Installing room temperature-dependent control units with an integrated humidity sensor (accessory) increases the safety of cooling mode since the flow temperature in this case is automatically controlled by the control unit corresponding to the current dew point.
  • Page 22: Cooling Only With Fan Convectors

    ( instructions of control unit). with a free RJ45 output are necessary. This can lead to additional costs. The Bosch EasyRemote app is required to control the system using a ▶ Make the necessary settings for the swimming pool mode (...
  • Page 23: Operation Without The Outdoor Unit

    Environmental protection is a fundamental corporate strategy of the As electronic devices may contain hazardous substances, it needs to be Bosch Group. The quality of our products, their economy and environmental safety are recycled responsibly in order to minimize any potential harm to the environment and human health.
  • Page 24: System Solutions

    Technical information 11.2 System solutions Some system configurations require accessories (buffer cylinder, 3-way valve, mixing valve, DHW circulation pump). If a heating circuit pump (PC1) is installed, this is controlled by the controller in the indoor unit. The outdoor unit and the indoor unit may only be installed according to the manufacturer's official system solutions.
  • Page 25: 11.2.3 System Solution With Heat Pump And Indoor Unit With Integrated Immersion Heater

    Technical information Table 9 Pipe diameter and bypass lengths Fig. 27 Bypass Bypass, straight design Bypass, U-shaped design 11.2.3 System solution with heat pump and indoor unit with integrated immersion heater Fig. 28 Auxiliary heater with mixer and domestic hot water cylinder On the heat/cooling source In the station or on the wall On the wall...
  • Page 26: 11.2.4 Explanation Of Symbols

    Technical information 11.2.4 Explanation of symbols Symbol Description Symbol Description Symbol Description Pipework/cables Flow - heating/solar Brine return DHW circulation Return - heating/solar Potable water Electrical Wiring Brine flow Hot water Electrical wiring with break Mixing valves/valves/temperature sensors/pumps Valve Differential pressure regulator Pump Revision bypass Pressure Relief Valve...
  • Page 27: Wiring Diagram

    Technical information 11.3 Wiring diagram 11.3.1 Overview of electrical connections Fig. 29 Continuous line = connection made at the factory Dashed line = connection made during installation: Installation circuit board SEC 20 Overheating protection (OHP) Relay 1 for electric booster heater (2 kW) Relay 2 for electric booster heater (4 kW) Relay 3 for electric booster heater (3 kW) Terminals...
  • Page 28: 11.3.2 Can & Ems Bus

    Technical information 11.3.2 CAN & EMS BUS Fig. 30 CAN and EMS connections Continuous line = connection made at the factory Dashed line = connection made during installation: indoor unit outdoor unit User interface Coding switch setting AWES 2-6 Coding switch setting AWES 8-15 Installer module SEC 20 Room controller (accessories) EMS module (accessory)
  • Page 29: 11.3.3 230 V/400 V Terminal Connections

    Technical information 11.3.3 230 V/400 V terminal connections Fig. 31 Terminals Delivery condition If 1-phase connection is needed, a cross connector/jumper must be installed between (L1, L2 and L3). If you remove the cross connector/jumper between (N and 1N) at connection 400 V 3 N~.
  • Page 30: 400 V~ 3N Indoor Unit With 230 V~ 1N Outdoor

    Technical information 11.3.4 400 V~ 3N indoor unit with 230 V~ 1N outdoor unit Fig. 32 400 V~ 3N indoor unit with 230 V~ 1N outdoor unit indoor unit [13] 230 V ~1 N power supply for heating cable outdoor unit [14] 230 V ~1 N power supply EMS (accessories) Installer module SEC 20 [15] Outdoor unit terminals...
  • Page 31: 400 V~ 3N Indoor Unit With 400 V~ 3N Outdoor

    Technical information 11.3.5 400 V~ 3N indoor unit with 400 V~ 3N outdoor unit Fig. 33 400 V~ 3N indoor unit with 400 V~ 3N outdoor unit indoor unit [14] 230 V ~1 N power supply EMS (additional) outdoor unit [15] Outdoor unit terminals Installer module SEC 20 [16] outdoor unit...
  • Page 32: Evu/Sg Wiring Diagram For The Indoor Unit With An Integrated Electric Booster Heater

    Technical information 11.3.6 EVU/SG wiring diagram for the indoor unit with an If the PV system has sufficient current for operating the heat pump, it can integrated electric booster heater communicate this information to the heat pump in the form of a start command via a control cable.
  • Page 33 Technical information CAUTION: Physical injury or material damage due to incorrect temperature If sensors with incorrect characteristics are used, the temperatures may be too high or too low. ▶ Make sure that the temperature sensors used comply with the specified values (see tables below). ...
  • Page 34: System Commissioning Report

    System Commissioning Report System Commissioning Report Commissioning date: Customer address: Last name, first name: Postal address: Town: Telephone: Installation company: Last name, first name: Street: Town: Telephone: Product information: Product type: TTNR: Serial number: FD-no.: System components: Receipt/value  Yes |  No Temperature controller ...
  • Page 35 System Commissioning Report  Yes |  No Is the phase sequence of L1, L2, L3, N and PE in the indoor unit correct?  Yes |  No Does the power supply correspond to the installation instructions? Fuse for heat pump and electric booster heater, tripping characteristics? Manual operation: ...

This manual is also suitable for:

Compress 3000 awes 8-15