Bosch Compress 2000 AWF Installation And Operating Instructions Manual
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Bosch Compress 2000 AWF Installation And Operating Instructions Manual

Bosch Compress 2000 AWF Installation And Operating Instructions Manual

Air to water heat pump
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Installation and operating instructions
Air to water heat pump
Compress 2000 AWF
CS2000AWF 4-30 R-S/T

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Summary of Contents for Bosch Compress 2000 AWF

  • Page 1 Installation and operating instructions Air to water heat pump Compress 2000 AWF CS2000AWF 4-30 R-S/T...

  • Page 2: Table Of Contents

    5.8.3 Sizes CS2000AWF 18 R-T to CS2000AWF 30 R-T ..35 CS2000AWF 16 R-T ......56 Compress 2000 AWF – 6721859133 (2023/11)
  • Page 3 Unit ON/OFF ....... . 100 10.8 Controls OFF/ON ......100 Compress 2000 AWF – 6721859133 (2023/11)

  • Page 4: Explanation Of Symbols And Safety Instructions

    To perform the operations use the following protective equipment: ▶ Verify that the power network characteristics are in compliance with • gloves data indicated on the serial number label of the unit. • goggles Compress 2000 AWF – 6721859133 (2023/11)

  • Page 5: Maintenance

    • electrical data Table 2 Volume of refrigerant charged at the factory • type of refrigerant • refrigerant charge • manufacturer's logo and address The serial number label is not to be removed for any reason. Compress 2000 AWF – 6721859133 (2023/11)

  • Page 6: Description Of The System

    Air vent valve Source exchanger: finned coil 4-way valve Main board [10] Water side heat exchanger [11] Water circulator [12] LP pressure switch [13] Compressor inverter [14] Gas-liquid separator [15] Water pressure relief valve Compress 2000 AWF – 6721859133 (2023/11)

  • Page 7: Sizes Cs2000Awf 8 R-S To Cs2000Awf 10 R-S

    Pressure sensor 4-way valve HP pressure switch Source exchanger: finned coil Fan motor [10] Main board [11] Water circulator [12] Water side heat exchanger [13] Gas-liquid separator [14] LP pressure switch [15] Compressor inverter Compress 2000 AWF – 6721859133 (2023/11)

  • Page 8: Sizes Cs2000Awf 12 R-S/Cs2000Awf 12 R-T To Cs2000Awf 16 R-S/Cs2000Awf 16 R-T

    Water flow switch Air vent valve Water pressure relief valve Source exchanger: finned coil [10] Fan motor [11] Main board [12] Water circulator [13] Water side heat exchanger [14] LP pressure switch [15] Compressor inverter Compress 2000 AWF – 6721859133 (2023/11)

  • Page 9: Sizes Cs2000Awf 18 R-T To Cs2000Awf 30 R-T

    [19] Expansion tank The pictures in this manual are provided for illustrative purposes only. The appearance of your appliance may differ slightly from the illustrations shown here. Refer to the actual characteristics of the unit. Compress 2000 AWF – 6721859133 (2023/11)

  • Page 10: Hydraulic Module

    Sizes CS2000AWF 4 R-S to CS2000AWF 6 R-S Automatic air vent valve Expansion tank Refrigerant gas pipe Temperature sensors Refrigerant pipe Flow switch Pump Plate heat exchanger Water outlet pipe [10] Pressure relief valve [11] Water inlet pipe Compress 2000 AWF – 6721859133 (2023/11)

  • Page 11: Sizes Cs2000Awf 8 R-S To Cs2000Awf 16 R-S/Cs2000Awf 16 R-T

    Sizes CS2000AWF 8 R-S to CS2000AWF 16 R-S/CS2000AWF 16 R-T Automatic air vent valve Expansion tank Refrigerant gas pipe Temperature sensors Refrigerant pipe Flow switch Pump Plate heat exchanger Water outlet pipe [10] Pressure relief valve [11] Water inlet pipe Compress 2000 AWF – 6721859133 (2023/11)

  • Page 12: Sizes Cs2000Awf 18 R-T To Cs2000Awf 30 R-T

    Automatic air vent valve Expansion tank Circulation pump Pressure relief valve Pressure gauge Flow switch Refrigerant gas pipe Refrigerant pipe Plate heat exchanger [10] Water outlet pipe [11] Water inlet pipe [12] Electric heating tape Compress 2000 AWF – 6721859133 (2023/11)

  • Page 13: Technical Data

    F 30 Electrical details Power supply 230 V 1 N AC 50 Hz 400 V 3 N AC, 50 Hz IP rating IP24 Fuse rating for supplying the heat pump directly via the building connection Compress 2000 AWF – 6721859133 (2023/11)

  • Page 14: Operating Range

    CS2000AWF 4-6 R-S, CS2000AWF 8 -10 R-S, CS2000AWF possible risks and suggestions to limit them. 12-16 R-S/T Heating / DHW in heat pump only Heating / DHW Back-up / additional with boiler Back-up / additional with electric heater Compress 2000 AWF – 6721859133 (2023/11)

  • Page 15: Capacity Curve Of The Circulation Pump

    (T4) 0010052017-002 Fig. 11 CS2000AWF 18 -30 R-T Maximum temperatures of components not supplied System 75 °C 95 °C Table 8 Maximum temperatures of components not supplied 4.3.3 Capacity curve of the circulation pump Compress 2000 AWF – 6721859133 (2023/11)

  • Page 16: System Solutions

    230/400 VAC 230/400 VAC 6 721 847 272-01.1T Fig. 14 Outdoor unit with one or many heating circuits, electric backup heater, DHW tank and solar (CS2000AWF 4-6 R-S, CS2000AWF 8 -10 R-S, CS2000AWF 12-16 R-S/T) Compress 2000 AWF – 6721859133 (2023/11)
  • Page 17 Description of the system System with heating circuit FHL1 FHL2 FHLn 230/400 VAC 6 721 847 344-01.1T Fig. 15 Outdoor unit with one or many heating circuits (CS2000AWF 4-6 R-S, CS2000AWF 8 -10 R-S, CS2000AWF 12-16 R-S/T) Compress 2000 AWF – 6721859133 (2023/11)
  • Page 18 FHL1 FHL2 FHLn 230/400 VAC 6 721 847 345-01.1T Fig. 16 Outdoor unit with one or many heating circuits, underfloor heating and fan coil (CS2000AWF 4-6 R-S, CS2000AWF 8 -10 R-S, CS2000AWF 12-16 R-S/T) Compress 2000 AWF – 6721859133 (2023/11)
  • Page 19 RADn FHL1 FHL2 FHLn 230/400 VAC 6 721 847 346-01.1T Fig. 17 Outdoor unit with one or many heating circuits, underfloor heating and radiators (CS2000AWF 4-6 R-S, CS2000AWF 8 -10 R-S, CS2000AWF 12-16 R-S/T) Compress 2000 AWF – 6721859133 (2023/11)
  • Page 20 Description of the system System with heating circuit FHL1 FHL2 FHLn 230/400 VAC 6 721 847 349-01.1T Fig. 18 Outdoor unit with one or many heating circuits (CS2000AWF 18 -30 R-T) Compress 2000 AWF – 6721859133 (2023/11)
  • Page 21 System with heating circuit, DHW and solar FHL1 FHL2 FHLn 230/400 VAC 230/400 VAC 6 721 847 350-01.1T Fig. 19 Outdoor unit with on or many heating circuits, DHW tank and solar (CS2000AWF 18 -30 R-T) Compress 2000 AWF – 6721859133 (2023/11)
  • Page 22 FCU2 FCUn FHL1 FHL2 FHLn 230/400 VAC 230/400 VAC 6 721 847 351-01.1T Fig. 20 Outdoor unit with one or many heating circuits, electric backup heater, DHW tank and solar (CS2000AWF 18 -30 R-T) Compress 2000 AWF – 6721859133 (2023/11)
  • Page 23 230/400 VAC 230/400 VAC 6 721 847 352-01.1T Fig. 21 Outdoor unit with one or many heating circuits, external auxiliary heater, DHW tank and solar (CS2000AWF 4-6 R-S, CS2000AWF 8 -10 R-S, CS2000AWF 12-16 R-S/T) Compress 2000 AWF – 6721859133 (2023/11)
  • Page 24 System with heating circuit, external auxiliary heater and DHW FHL1 FHL2 FHLn 230/400 VAC 230/400 VAC 6 721 847 353-01.1T Fig. 22 Outdoor unit with one or many heating circuits, external auxiliary heater and DHW tank (CS2000AWF 18 -30 R-T) Compress 2000 AWF – 6721859133 (2023/11)
  • Page 25 System with heating circuit, external auxiliary heater and DHW FHL1 FHL2 FHLn 230/400 VAC 230/400 VAC 6 721 847 354-01.1T Fig. 23 Outdoor unit with one or many heating circuits, external auxiliary heater and DHW tank (CS2000AWF 18 -30 R-T) Compress 2000 AWF – 6721859133 (2023/11)
  • Page 26 System with heating circuit, underfloor heating and radiators (double zone) FCU1 FCU2 FCUn FHL1 FHL2 FHLn 230/400 VAC 6 721 847 355-01.1T Fig. 24 Outdoor unit with one or many heating circuits, underfloor heating and radiators (CS2000AWF 18 -30 R-T) Compress 2000 AWF – 6721859133 (2023/11)
  • Page 27 RAD1 RAD2 RADn 230/400 VAC 6 721 847 356-01.1T Fig. 25 Outdoor unit with one or many heating circuits and external auxiliary heater (CS2000AWF 4-6 R-S, CS2000AWF 8 -10 R-S, CS2000AWF 12- 16 R-S/T) Compress 2000 AWF – 6721859133 (2023/11)
  • Page 28 FHLn 230/400 VAC 230/400 VAC 230/400 VAC 230/400 VAC 6 721 847 357-01.1T Fig. 26 Outdoor unit with one or many heating circuits, external auxiliary heater, DHW tank and cascading (CS2000AWF 18 -30 R-T) Compress 2000 AWF – 6721859133 (2023/11)
  • Page 29 P_c: Circulation pump zone 2 [FHL] Floor heating loop (no. 1...n) [FCU] Fan coil unit (no. 1...n) [RAD] Radiator (no. 1...n) [RT1] Low voltage room thermostat [RT8] High voltage room thermostat 1) Field supply Compress 2000 AWF – 6721859133 (2023/11)

  • Page 30: Explanation Of Symbols

    Water filter Magnetite separator Water sink Heat meter Air separator Heat. circ. ∏ DHW outlet Automatic air vent valve Underfloor heating circuit Relay Expansion joint Low-loss header Immersion heater Table 9 Hydraulic symbols Compress 2000 AWF – 6721859133 (2023/11)

  • Page 31: Before Installation

    Any disputes must be made within 8 days from the date of the delivery. Complaints after this period are invalid. Handling ▶ Check if all the handling equipment complies with local safety regulations (crane, forklifts, ropes, hooks, etc.). Compress 2000 AWF – 6721859133 (2023/11)

  • Page 32: Lifting

    ▶ Gradually bring the lifting belts under tension, making sure they are Lifting with space bar positioned correctly. Aligning the barycenter to the lifting point ▶ Before starting the handling, make sure that the unit is stable. Compress 2000 AWF – 6721859133 (2023/11)

  • Page 33: Removing Packaging

    ▶ Remove the screws [2]. ▶ Remove the bracket [3] used during transport to avoid stressing the compressor. 0010051727-001 Fig. 29 Removing packaging Coil protection 0010051728-001 Fig. 30 Removing the transport bracket Front panel Screws Bracket Compress 2000 AWF – 6721859133 (2023/11)

  • Page 34: Dimensions And Weights

    Table 10 Sizes CS2000AWF 4 R-S to CS2000AWF 6 R-S 5.8.2 Sizes CS2000AWF 8 R-S to CS2000AWF 16 R-S/CS2000AWF 16 R-T 0010051730-001 Fig. 32 Sizes CS2000AWF 8 R-S to CS2000AWF 16 R-S/CS2000AWF 16 R-T Compress 2000 AWF – 6721859133 (2023/11)

  • Page 35: Sizes Cs2000Awf 18 R-T To Cs2000Awf 30 R-T

    CS2000AWF 22 R-T CS2000AWF 26 R-T CS2000AWF 30 R-T Height [A] 1557 1557 1557 1557 Width [B] 1120 1120 1120 1120 Depth [C] Weight Table 12 Sizes CS2000AWF 18 R-T to CS2000AWF 30 R-T Compress 2000 AWF – 6721859133 (2023/11)

  • Page 36: Installation

    • Clean and protected areas so that the unit cannot be used as a refuge for small animals. Contact between these animals and electrical components can cause malfunctions or fires. Standard installation 0010051747-001 Fig. 34 Standard installation for CS2000AWF 4 R-S ~ CS2000AWF 30 R-T ≥ 300mm Compress 2000 AWF – 6721859133 (2023/11)

  • Page 37: Installation In Extreme Weather Conditions

    • Interruption of operation due to high or low pressure alarm. When a strong and continuous wind blows against the front of the unit, the fan may start to rotate very fast until it breaks. Compress 2000 AWF – 6721859133 (2023/11)

  • Page 38: Unit Exposed To Direct Sunlight

    ▶ Provide a raised base on which to install the unit. The base must be high enough to prevent the unit from being covered with snow. It is advisable to leave at least 100mm above the maximum height in the event of heavy snowfall. Compress 2000 AWF – 6721859133 (2023/11)

  • Page 39: Ground Assembly

    ▶ Leave a space of at least 150 mm under the unit. 6× M12 (mm) 0010051755-001 Fig. 40 Ground assembly Compress 2000 AWF – 6721859133 (2023/11)

  • Page 40: Dimensions For Ground Fixing

    Table 15 Dimensions for ground fixing The recommended height of the top protruding part of the bolts is 20 mm. It is important to secure the unit with foundation screws, as shown in the following drawing. Compress 2000 AWF – 6721859133 (2023/11)

  • Page 41: Wall Assembly

    Support base in concrete h ≥ 100mm Wall assembly Two kits are available to secure the unit to the wall: bracket kit; fixings in detail A are included, wall fixings are provided by the customer antivibration mount kit. Compress 2000 AWF – 6721859133 (2023/11)
  • Page 42 Installation 0010053154-001 Fig. 43 Wall assembly Interlocking assembly (B) Brackets fixings supplied (A) Compress 2000 AWF – 6721859133 (2023/11)

  • Page 43: Handling

    If the unit's drainage holes are covered by the installation base or floor ▶ Reassemble following the removal procedure in reverse order. surface: ▶ Raise the unit to leave a gap of at least 120 mm under the unit. Compress 2000 AWF – 6721859133 (2023/11)

  • Page 44: Dhw Tank

    ▶ Consider the possibility of installing heating cables with an antifreeze function. To prevent the water downstream of the drain from freezing: ▶ Install the pipe below the frost line ( Figure 48, [5]). Compress 2000 AWF – 6721859133 (2023/11)
  • Page 45 Cavitation of circulation pump might occur, which can result in damaging the circulation pump. Calculations must be performed if the system solution designed for the installation site exceeds the recommended circulation characteristics, stated in the installation manual. Compress 2000 AWF – 6721859133 (2023/11)

  • Page 46: Water Connections

    The unit has supply and return connections for connection to a water distribution system. Connection to the system must be carried out by authorised technicians and must comply with current laws and regulations. 0010051807-001 Fig. 51 Water connections Compress 2000 AWF – 6721859133 (2023/11)

  • Page 47: Preliminary Check

    ▶ Replace the expansion vessel. ▶ Check the heating system for leaks. A system separation with the help of a heat exchanger may be required if the limits in table 17 can not be achieved. Compress 2000 AWF – 6721859133 (2023/11)

  • Page 48: Water Quality For Potable Water (Dhw)

    Designed to trap sludge and ferrous residues. Before connecting the water to the unit: ▶ Clean the system thoroughly with specific and effective products to remove residues or impurities that could affect operation. Compress 2000 AWF – 6721859133 (2023/11)

  • Page 49: Magnetic Dirt Separator Filter

    The freeze protection function is only disabled when the MIN outdoor Glycol Correction factors temperature concentration Cooling capacity Power input Water resistance Water flow 0 °C –5 °C 0.984 0.998 1.118 1.019 Compress 2000 AWF – 6721859133 (2023/11)

  • Page 50: Using Automatic Frost Protection Valves

    ▶ Carefully set it at least 2 °C higher than the minimum allowed (minimum default cooling setpoint = 5 °C; recommended minimum setpoint with freeze protection valves = 7 °C) to prevent the valves from draining the system when it is operating in Cooling mode. Compress 2000 AWF – 6721859133 (2023/11)

  • Page 51: Protection Of Domestic Hot Water Storage Tank

    When serving systems with a high water content, the expansion tank volume may not be sufficient and the pre-charge pressure must be adjusted or an additional expansion tank must be provided. Compress 2000 AWF – 6721859133 (2023/11)

  • Page 52: Filling / Topping Up With Water

    ▶ Open the air purge valve, turn at least 2 full turns anticlockwise to discharge air from the system. SYST 0010051917-001 Fig. 57 Example 1 Compress 2000 AWF – 6721859133 (2023/11)

  • Page 53: Electrical Connections

    • Install the necessary fuses or circuit breakers. • Power and signal cables should be routed as separately as possible to avoid possible interference. Where ducted in parallel, for convenience observe the following distances: 300 mm for rated Compress 2000 AWF – 6721859133 (2023/11)

  • Page 54: General Diagram

    Domestic hot water pump control cable If the current required for a single load is greater than 0.2 A, insert a [10] 2-way valve control cable/3-way valve control cable contactor for control. [11] 3-way valve control cable Compress 2000 AWF – 6721859133 (2023/11)

  • Page 55: Control Box

    Fig. 63 Sizes CS2000AWF 4 R-S to CS2000AWF 6 R-S Hole for high voltage cable (power supply) Hole for low voltage cable (control and signal cables) Hole for drain pipe Water outlet Water inlet Compress 2000 AWF – 6721859133 (2023/11)

  • Page 56: Sizes Cs2000Awf 8 R-S To Cs2000Awf 16 R-S/Cs2000Awf 16 R-T

    ▶ Remove the service panel from the control box. ▶ Wait 10 minutes for the DC bus condensers of the compressor’s inverter to discharge. Warning: ▶ Secure cables with cable ties. ▶ The external backup heater requires a dedicated electric circuit. Compress 2000 AWF – 6721859133 (2023/11)

  • Page 57: Electrical Connections

    ▶ When making connections, use cables with the required specifications, carry out the connection procedures thoroughly, and secure the wires avoiding external pressure on the terminal connectors. Compress 2000 AWF – 6721859133 (2023/11)
  • Page 58 ▶ Do not connect two power supply cables with different diameters to the same power supply terminal. If it is not possible to use the circular wiring terminal with the insulating sleeve: ▶ Make sure it cannot be used. Compress 2000 AWF – 6721859133 (2023/11)

  • Page 59: Electrical Connection Specifications

    CS2000AWF 14 R-S/CS2000AWF 14 R-T CS2000AWF 16 R-S/CS2000AWF 16 R-T Table 24 Size FLA (A) Maximum tripping of Cable cross-section (mm protections (A) CS2000AWF 12 R-S/CS2000AWF 12 R-T 3~ CS2000AWF 14 R-S/CS2000AWF 14 R-T 3~ Compress 2000 AWF – 6721859133 (2023/11)

  • Page 60: Connection Terminal Block

    Fig. 72 Connection Terminal Block Ref. Terminal block CN11 Ref. Terminal block CN11 SV2 3-way zone valve Solar input 2OFF Room thermostat (220V) pump P_c (zone2) pump P_o (zone1) SV1 DHW 3-way valve 1OFF Compress 2000 AWF – 6721859133 (2023/11)
  • Page 61 Remote ON/OFF Table 29 Other terminal blocks Temperature probes additional heat source CN24 Tbt1 hydraulic separator CN16 Tbt2 not used CN13 DHW boiler CN15 mixed zone supply CN18 Tsolar solar thermal Table 30 Temperature probes Compress 2000 AWF – 6721859133 (2023/11)

  • Page 62: Terminal Block Connection Specifications

    NC (normally closed) and NO (normally open) valves. Before connection: ▶ Read the 3-way valve use and installation manual carefully and install the valve as shown in the figure 77. ▶ Pay attention to the connection terminal numbers. Compress 2000 AWF – 6721859133 (2023/11)

  • Page 63: Terminal Block Cn7

    Enabling on dip-switch; configuration on HMI board of indoor unit 8.6.2 Terminal block CN7 Unit in operation signal 0010052061-001 Fig. 84 Zone 2 mixing pump, type 2 control signal [P_c] Pump 0010052068-001 Fig. 88 Unit in operation signal Type2 control signal Compress 2000 AWF – 6721859133 (2023/11)

  • Page 64: Smart Grid - Photovoltaic Management

    Fig. 90 Antifreeze heater for pipes SMART GRID - Photovoltaic management 0010052072-001 Fig. 92 SMART GRID - Photovoltaic management Description EVU Photovoltaic signal SG Smart grid The unit operates normally The unit is switched off Compress 2000 AWF – 6721859133 (2023/11)

  • Page 65: Dip-Switch Setting

    3: ON: the unit is a back-up Master, OFF: the unit is not a back-up Master 4: Reserved Configuration of units in cascade: • Slave = 1 Off, 2 Off • Master = 1 On, 2 On Table 32 Dip-switch setting Compress 2000 AWF – 6721859133 (2023/11)

  • Page 66: User Interface

    ▶ Do not cut the shielded cable to connect it to an extension lead. Use a terminal block if necessary. ▶ Do not use a megger to check the insulation of the signal wire when the connection is completed. Compress 2000 AWF – 6721859133 (2023/11)
  • Page 67 Fig. 94 User interface installation Name Quantity Notes Wired controller Over-tightening the screw will buckle the back cover. Phillips round head wood For wall assembly screw 0010053115-001 Fig. 95 Positioning of the cable outlet Compress 2000 AWF – 6721859133 (2023/11)
  • Page 68 2 holes for M4X25 screws, for installation of electric al box 86 Back cover Signal cables Prevent water from entering the wired controller, use siphons and mastic to seal the wire connectors during installation. Compress 2000 AWF – 6721859133 (2023/11)
  • Page 69 ▶ Do not crush the communication wire during installation. The sensor must not be exposed to humidity. ▶ Install the back cover correctly and attach the front cover firmly to it (otherwise the front cover may fall off). Compress 2000 AWF – 6721859133 (2023/11)

  • Page 70: Zone Thermostat

    The hydraulic module is connected with two external temperature Method B controllers: One zone system with zone thermostat managing only ON/OFF, user • Zone 1 On-Off from input H - L1 interface managing the unit's mode change. Compress 2000 AWF – 6721859133 (2023/11)

  • Page 71: Units Connected In Cascade

    Master to the Backup Master will only take place in the event of major system alarms and only the state (ON/OFF), Mode (Hot/Cold) and setpoint operation parameters are copied. The remaining user setting parameters are not transferred to the system in case of problems. Compress 2000 AWF – 6721859133 (2023/11)

  • Page 72: Configuration

    Only the master unit can connect the master controller. accessories installed and the Customer's usage preferences. User interface 9.1.1 Keypad The HMI has a touch keypad with the following buttons: Compress 2000 AWF – 6721859133 (2023/11)

  • Page 73: Display And Icons

    BACK To return to the previous level or page ▶ Long button press to return straight to the home page Table 35 Keypad 9.1.2 Display and icons The HMI display has the following icons: Compress 2000 AWF – 6721859133 (2023/11)
  • Page 74 [11] Heating mode [26] Disinfect (anti-legionella) function on [12] Cooling mode [27] Switch off [13] Automatic mode [28] Switch on [14] Additional heat source [29] DHW storage tank temperature [15] Electric heater [30] Additional heat source Compress 2000 AWF – 6721859133 (2023/11)

  • Page 75: First Switch-On And Language Selection

    The FOR SERVICEMAN section contains the settings that can be adjusted by the Technician when starting the unit for the first time. Once the appropriate section has been selected from the main menu, an access password will be requested: Compress 2000 AWF – 6721859133 (2023/11)

  • Page 76: For Serviceman

    Water supply temperature setpoint After exiting, the unit will shut down. Room air temperature, detected by the probe in the 9.1.6 Terminology used The terms related to this unit are shown in the table below Compress 2000 AWF – 6721859133 (2023/11)

  • Page 77: Initial Unit Setting (Requires A Specialised Technician)

    A DHW request ends when T5 ≥ T5S or when T5 reaches the maximum temperature for DHW in the heat pump T5stop, which is parameterised according to the outdoor temperature T4. Compress 2000 AWF – 6721859133 (2023/11)
  • Page 78 DHW mode. Activation logic of heat pump and TBH storage tank heater in DHW mode. The activation logics of the DHW storage tank heater (TBH) are automatically managed by the unit. Compress 2000 AWF – 6721859133 (2023/11)
  • Page 79 T5S_DISINFECT in the DISINFECT (anti-legionella) function. During operation in DHW mode, the heat pump switches to Heating/ Cooling mode once the DHW setpoint has been reached or after the minutes in t_DHWHP_MAX have elapsed. Compress 2000 AWF – 6721859133 (2023/11)

  • Page 80: Cooling Mode Settings

    The heat pump starts when T1 ≥ T1S + dT1SC and stops when T1 ≤ T1S. shown in the graph. 2.8 T1SetC1 (standard: 10 - settable: 5/25) Sets the maximum water supply setpoint for the customisable climate curve in Cooling mode. Compress 2000 AWF – 6721859133 (2023/11)

  • Page 81: Heating Mode Settings

    3.4 T4HMIN (standard: -15 - settable: -25/30) Defines the minimum minutes between compressor shutdown and Defines the minimum outdoor air temperature for which the unit can subsequent restart in Heating mode. operate in Heating mode. Compress 2000 AWF – 6721859133 (2023/11)

  • Page 82: Automatic Mode Settings

    HMI. 3.14 t_DELAY_PUMP (standard: 2 - settable: 0.5/20) Sets the minutes of delay between compressor switch-off and pump switch-off. 9.2.4 Automatic mode settings ▶ MENU > FOR SERVICEMAN > 4.AUTO MODE SETTING Compress 2000 AWF – 6721859133 (2023/11)
  • Page 83 With control based on the supply water temperature (T1) and Zone 2 with control based on the room air temperature (Ta): ▶ Set parameter 5.1 WATER FLOW TEMP. to YES. ▶ Set parameter 5.2 ROOM TEMP. to YES. Compress 2000 AWF – 6721859133 (2023/11)

  • Page 84: Zone Thermostat Settings

    ▶ MENU > FOR SERVICEMAN > 7.OTHER HEATING SOURCE This section is used to adjust the parameters of an additional/backup electric heater on the system (IBH), a boiler (AHS) or a solar thermal system. Compress 2000 AWF – 6721859133 (2023/11)
  • Page 85 ΔT between water setpoint TS1 and unit supply T1 • Too long to reach the setpoint: parameter t_IBH_DELAY or t_AHS_DELAY: the maximum waiting time between compressor start-up and additional source start-up Compress 2000 AWF – 6721859133 (2023/11)
  • Page 86 IBH1 must be set to the power of the first stage. The parameters do not count the power of external elements because the power port is different. Compress 2000 AWF – 6721859133 (2023/11)

  • Page 87: Holiday Away Function Settings

    14, for larger numbers you can select empty cells. 9.2.10 Restore factory settings ▶ MENU > FOR SERVICEMAN > 10.RESTORE FACTORY SETTINGS The parameters can be restored to the factory settings. Compress 2000 AWF – 6721859133 (2023/11)
  • Page 88 • the pump stops, after 60 seconds the 3-way valve closes and the 2- way valve opens 0010052379-002 • after 60 seconds, the unit pump (P_i) and the secondary pump (P_o) switch on Fig. 138 11.5 HEAT MODE RUNNING Compress 2000 AWF – 6721859133 (2023/11)

  • Page 89: Special Function Settings

    Special functions can be used during installation or maintenance to better manage or access the system, e.g. on first start-up to run a radiant floor drying cycle or when the unit is restarted after being OFF for a long period. Compress 2000 AWF – 6721859133 (2023/11)

  • Page 90: Automatic Restart Settings

    CS2000AWF 12 R-S/CS2000AWF 12 R-T - CS2000AWF 14 R-S/CS2000AWF 14 R-T CS2000AWF 16 R-S - CS2000AWF 16 R-T CS2000AWF 12 R-S/CS2000AWF 12 R-T - CS2000AWF 16 R-S/CS2000AWF 16 R-T CS2000AWF 18 R-T 12.5 CS2000AWF 22 R-T Compress 2000 AWF – 6721859133 (2023/11)

  • Page 91: Unit Input Signal Settings

    Enables/disables the silent function for the unit's pump, which reduces the pump output by 5% to make the unit quieter. DFT1/DFT2 (standard: 0 - settable: 0/1) Defines what type of signal contacts DFT1/DFT2 should manage (0 = defrosting; 1 = alarm state). Compress 2000 AWF – 6721859133 (2023/11)

  • Page 92: Default Temperatures

    Fig. 144 Heating mode on systems with radiant distribution supply (T1S) Water The default curve for Heating mode is 3, for ECO mode it is 6. • 8 default curves for Heating mode on systems with terminal distribution Compress 2000 AWF – 6721859133 (2023/11)
  • Page 93 T1SETH1 T1SETH2 CONFIRM T4H1 T4H2 (T4) 0010052427-002 Fig. 146 Customisable curve – outdoor air temperature (T4H1, T4H2) and water supply (T1SETH1, T1SETH2) • 8 default curves for Cooling mode on systems with radiant distribution Compress 2000 AWF – 6721859133 (2023/11)
  • Page 94 • 8 default curves for Cooling mode on systems with terminal Water distribution The default curve for Cooling mode is 4. 0010053204-001 Fig. 148 Cooling mode on systems with terminal distribution supply (T1S) Water Compress 2000 AWF – 6721859133 (2023/11)

  • Page 95: Control

    • To switch on/off the functions in the menu structure UNLOCK ▶ Press the button for 3 seconds to Unlock/Lock the keypad To unlock/lock certain functions such as “DHW temperature control” • To enter a submenu • To confirm entered values Compress 2000 AWF – 6721859133 (2023/11)

  • Page 96: Explanation Of The Display

    Radiator on Alarm Radiator off Smart grid mode Floor heating (radiant panels) on Anti-freeze mode on Floor heating (radiant panels) off Defrosting mode on System water supply temperature (configurable) Holiday away/at home on Heating mode Compress 2000 AWF – 6721859133 (2023/11)

  • Page 97: Menu Structure

    MENU > FOR SERVICEMAN > 6. ROOM THERMOSTAT > ROOM THERMOSTAT = NO ▶ Press ▶ Select temperature type settings > DOUBLE ZONE = YES Thermostat control: MENU > FOR SERVICEMAN > 6. ROOM THERMOSTAT > ROOM THERMOSTAT = DOUBLE ZONE Compress 2000 AWF – 6721859133 (2023/11)

  • Page 98: Home Page

    ON/OFF and mode set • CONSULTATION ONLY DHW settings FOR SERVICEMAN • ENTER PASSWORD • DHW MODE SETTING • COOL MODE SETTING 1) Access by password is reserved for qualified personnel. Changes to parameters may cause malfunctions Compress 2000 AWF – 6721859133 (2023/11)

  • Page 99: Menu Structure

    DEFAULT TEMPERATURES DOMESTIC HOT WATER (DHW) TIME SCHEDULE OPTIONS CHILD LOCK 0010053242-001 CONFIRM Fig. 159 Locked keypad (flashing) MENU SERVICE INFORMATION OPERATION PARAMETERS FOR SERVICEMAN WLAN SETTINGS DIS. SN CONFIRM 0010052480-002 Fig. 157 Menu structure Compress 2000 AWF – 6721859133 (2023/11)

  • Page 100: Unit On/Off

    Switching the unit on or off can be controlled from the interface if the room thermostat is set to NO. ▶ Press  or  on the page and the black cursor will appear. Compress 2000 AWF – 6721859133 (2023/11)
  • Page 101 ▶ Press  or  on the page and the black cursor will appear. 0010053252-001 Fig. 167 Radiant panels ON/OFF On the interface it is possible to switch on or off the unit for domestic hot water production. Compress 2000 AWF – 6721859133 (2023/11)

  • Page 102: Temperature Control

    The black cursor will appear. To select the temperature: ▶ Press the l or , when the cursor is on the temperature. To adjust the temperature: ▶ Press  or , when the cursor is on the temperature. Compress 2000 AWF – 6721859133 (2023/11)

  • Page 103: Select Operation Mode

    1) Automatic change is only possible under certain conditions ( FOR SERVICEMAN >AUTO MODE SETTING). Table 42 Operation mode To control the operation mode with the room thermostat: ▶ See FOR SERVICEMAN > ROOM THERMOSTAT. Compress 2000 AWF – 6721859133 (2023/11)

  • Page 104: Climate Temp. Set. (Climate Temperature Setting)

    00:00 25° C ▶ Select MENU > DEFAULT TEMPERATURES > CLIMATE TEMP. SET. 00:00 35° C CANCEL 0010052737-002 Fig. 176 DEFAULT TEMP. - Selecting time slots Compress 2000 AWF – 6721859133 (2023/11)

  • Page 105: Eco Mode

    Fig. 180 Selecting climate curves ( MENU > FOR SERVICEMAN > 5. TEMP. TYPE SETTING). ▶ Use to scroll. When the function is on, appears on the keypad. ▶ Select MENU > DEFAULT TEMPERATURES > ECO MODE. Compress 2000 AWF – 6721859133 (2023/11)

  • Page 106: Domestic Hot Water (Dhw)

    The DISINFECT function is used to eliminate legionella bacteria by raising the storage tank temperature to 65-70 °C). The disinfect temperature is set in DHW MODE ( FOR SERVICEMAN > DHW MODE > DISINFECT). ▶ Select MENU > DOMESTIC HOT WATER(DHW) > DISINFECT. Compress 2000 AWF – 6721859133 (2023/11)

  • Page 107: Fast Dhw

    The FAST DHW function is used to force DHW MODE for domestic hot water production. The heat pump will be switched on together with the storage tank heater and the domestic hot water temperature will be brought to setpoint. Compress 2000 AWF – 6721859133 (2023/11)

  • Page 108: Dhw Pump (Recirculation) If Present

    0010052720-002 The DHW PUMP function recirculates the water in the water system. Fig. 192 DHW PUMP - T1 selected To enable the function: ▶ Select MENU > FOR SERVICEMAN > 1. DHW MODE SETTING. Compress 2000 AWF – 6721859133 (2023/11)

  • Page 109: Time Schedule

    HEAT 28 °C 11:30 13:30 COOL 20 °C 14:30 16:30 HEAT 28 °C 15:00 19:00 COOL 20 °C 18:00 23:30 50 °C Table 45 Example time slots The unit is switched on as follows: Compress 2000 AWF – 6721859133 (2023/11)

  • Page 110: Weekly Schedule

    TIME SCHEDULE WEEK. SCHED. CANCEL TIMER SCHED. CHECK TIMER MON TUE WED THU SAT SUN CONFIRM CANCEL SELECT MON 0010052675-002 Fig. 197 WEEKLY SCHEDULE ▶ Select the days of the week you wish to schedule. Compress 2000 AWF – 6721859133 (2023/11)

  • Page 111: Schedule Check

    If TIMER or WEEKLY SCHEDULE is on, the TIMER icon ( ) or the ▶ Select MENU > SCHEDULE > SCHEDULE CHECK. WEEKLY SCHEDULE icon ( ) will be displayed on the home page. Compress 2000 AWF – 6721859133 (2023/11)

  • Page 112: Options

    • The CLIMATE TEMP. SET. function is not affected when the TIMER or WEEKLY SCHEDULE functions are set. • The DEFAULT TEMPERATURES and CLIMATE TEMP. SET. functions have the same priority and the function that is set last takes precedence. Compress 2000 AWF – 6721859133 (2023/11)

  • Page 113: Holiday Away

    ▶ Press ON/OFF to select ON. operational. Otherwise, it will be switched on according to the time ▶ Use to scroll and adjust the values as shown below. schedule. Setting Value HOLIDAY AWAY FROM 02-02-2024 16-02-2024 Compress 2000 AWF – 6721859133 (2023/11)

  • Page 114: Holiday At Home

    MODE AWAY HOME HEAT appears. CURRENT STATE FROM 02-02-2020 16-02-2020 TIMER CONFIRM ON/OFF ON/OFF 0010052580-002 Fig. 211 HOLIDAY AT HOME ▶ Select CURRENT STATE. Compress 2000 AWF – 6721859133 (2023/11)

  • Page 115: Backup Heater

    0010052583-002 Fig. 216 Password Fig. 214 BACKUP HEATER not available ▶ Press to scroll. If IBH and AHS are enabled by the Dip-switches on the main hydraulic module control board, the following page appears Compress 2000 AWF – 6721859133 (2023/11)
  • Page 116 If you want to switch DHW mode on or off when DHW MODE ON/OFF is locked, the following page appears. If you want to switch COOL/HEAT MODE ON/OFF on or off when it is locked, the following page appears. Compress 2000 AWF – 6721859133 (2023/11)

  • Page 117: Energy Analysis

    ENERGY ANALYSIS item appears in the MENU SERVICE INFORMATION OPERATION PARAMETERS FOR SERVICEMAN WLAN SETTINGS SN VIEW ENERGY ANALYSIS ENTER 0010052787-002 Fig. 223 ENERGY ANALYSIS ENERGY ANALYSIS is available for heating, cooling and domestic hot water mode. Compress 2000 AWF – 6721859133 (2023/11)
  • Page 118 POWER CONSUMED COP/EER COP/EER MONTH YEAR MONTH YEAR 0010052790-002 Fig. 226 ENERGY ANALYSIS ANNALS when the unit starts to the current time. The total energy analysis data is the cumulative data from the first time Compress 2000 AWF – 6721859133 (2023/11)

  • Page 119: Service Information

    In the SERVICE CALL area, the service centre number or a mobile phone 13:20 01 - 01 - 2018 number can be entered. The installer can enter his own telephone number. CONFIRM ▶ See the FOR SERVICEMAN menu. 0010052536-002 Fig. 229 ERROR CODE Compress 2000 AWF – 6721859133 (2023/11)

  • Page 120: Parameter

    The OPERATION PARAMETER menu is used by the installer or the 0010052540-002 technician to check the operation parameters. The values shown on the pages are only indicative. Fig. 232 PARAMETER - Menu page 1/2 On the home page: ▶ Select MENU > OPERATION PARAMETER. Compress 2000 AWF – 6721859133 (2023/11)

  • Page 121: Operation Parameters

    HEAT PUMP CAPACITY 0.00kW P1 COMP. PRESS. 0 kPa COMP. TOTAL RUN TIME 0 HOURS POWER CONSUMPTION 0 kWh ODU SOFTWARE 00-00-2000V00 Ta ROOM TEMP. --°C EXPANS.VALVE OPENING HMI SOFTWARE 24-02-2021V67 0010052529-002 Fig. 236 OPERATION PARAMETER Compress 2000 AWF – 6721859133 (2023/11)

  • Page 122: Modbus Registers

    TBH and IBH cannot be forced together SG operation time 0-24hrs Set the water temperature Water temperature T1s setting for ZONE 1 T1s zone1 Set the water temperature Water temperature T1s setting for ZONE 2 T1s zone2 Table 50 Controls Compress 2000 AWF – 6721859133 (2023/11)

  • Page 123: States

    Solar signal input BIT7 Room thermostat in cooling mode BIT6 Room thermostat in heating mode BIT5 ODU test mode BIT4 Remote ON/OFF (1 : d8) BIT3 Oil return BIT2 Antifreeze BIT1 Defrosting BIT0 Recirculation pump Compress 2000 AWF – 6721859133 (2023/11)

  • Page 124: States Of Units In Cascade

    Tsolar, unit: °C solar temperature; (value read = current value) 1005 Save unit error code Specific error code, refer to the code table. 1006 P6 error Reserved 1007 IDU state 1 Bit3~7 Reserved Bit2 Oil return Bit1 Antifreeze Bit0 Defrosting Compress 2000 AWF – 6721859133 (2023/11)
  • Page 125 1036 DC bus voltage (value read = current value) (unit:V) 1037 ODU current Operating power supply, unit: A (value read = current value) 1038 ODU voltage Unit voltage: V (value read = current value) Compress 2000 AWF – 6721859133 (2023/11)

  • Page 126: Alarms

    (not only L0, L1). For example: L0-L4-L8-L9-L0-L1 signalling in 1 hour, H4 fault signalling. The faults to be checked are L9, L0, L1. Temperature sensor Ta failure DC fan failure Abnormal power supply voltage Compress 2000 AWF – 6721859133 (2023/11)

  • Page 127: Password-Protected Unit Parameters

    Bosch Group. For any changes not permitted or not approved declines any responsibility for malfunctions and/or damage to the unit/system Depending on the configuration of the unit, some parameters are visible and to people.
  • Page 128 Default: 5 °C, range: 2-10 °C, Control range 1 °C dTSC Default:2 °C, range:1-10 °C, Control range 1 °C T4cmax Default: 52 °C, range: 35-52 °C, Control range 1 °C T4cmin Default: -5 °C, range: -5-25 °C, Control range 1 °C Compress 2000 AWF – 6721859133 (2023/11)
  • Page 129 Temperature curve parameters in heating mode, Range setting (-25)-35 °C, default -5 °C T4H2 Temperature curve parameters in heating mode, Range setting (-25)-35 °C, default -7 °C Current limitation scheme, 0= no setting; 1~8= Scheme 1~8, predefined 0 Compress 2000 AWF – 6721859133 (2023/11)

  • Page 130: Maintenance

    ▶ Visually inspect the control box for any obvious defects, e.g. loose connections or faulty electrical connections. ▶ Check that the contactors are working properly with an ohmmeter. ▶ All contactor contacts must be in the open position. Compress 2000 AWF – 6721859133 (2023/11)

  • Page 131: Troubleshooting

    ▶ Check that the backup heater’s contactors are intact. ▶ Be prepared with a backup heater if you think that cold starts may be frequent in these conditions (in case of long winter system shutdowns). Compress 2000 AWF – 6721859133 (2023/11)
  • Page 132 ▶ If AHS (boiler) is available, switch on the boiler first, if the demand for the heat pump switched on is full, the heat pump will switch on. ▶ If TBH and AHS are not available, try changing the position of the T5 probe. Compress 2000 AWF – 6721859133 (2023/11)

  • Page 133: Error Codes

    ▶ The T4 sensor connector is loose. Reconnect it. ▶ The T4 sensor connector is wet or contains water. Expel the water and dry the connector. Apply a waterproof adhesive. ▶ T4 sensor error, replace with a new sensor. Compress 2000 AWF – 6721859133 (2023/11)
  • Page 134 ▶ T2B sensor error, replace with a new sensor. Three P6 protection activations. ▶ See P6. Ta internal temperature sensor error. ▶ Set the Ta sensor on the interface. ▶ If the Ta sensor is faulty, replace the sensor or interface. Compress 2000 AWF – 6721859133 (2023/11)
  • Page 135 ▶ The external heat exchanger is dirty or its surface is obstructed. Clean the heat exchanger or remove the obstruction. ▶ Ensure that functional spaces and proper ventilation are respected. ▶ Check for ventilation faults during operation. Compress 2000 AWF – 6721859133 (2023/11)
  • Page 136 ▶ Usually if F1 trips when the compressor starts, the reason is possibly the motherboard. If F1 trips when the fan starts, it may be due to the inverter board. Compress 2000 AWF – 6721859133 (2023/11)

  • Page 137: Environmental Protection And Disposal

    Data Protection Officer, Information Security and Privacy (C/ISP), Where packaging is concerned, we participate in country-specific Robert Bosch GmbH, Postfach 30 02 20, 70442 Stuttgart, GERMANY. recycling processes that ensure optimum recycling. You have the right to object, on grounds relating to your particular...
  • Page 140 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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