Bosch Compress 3400i AWS Installation Manual
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Bosch Compress 3400i AWS Installation Manual

Outdoor unit of air to water heat pump
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Installation Manual
Outdoor Unit of Air to Water Heat Pump
Compress 3400i AWS
CS3400iAWS 4 OR-S | CS3400iAWS 6 OR-S | CS3400iAWS 8 OR-S | CS3400iAWS 10 OR-S

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Summary of Contents for Bosch Compress 3400i AWS

  • Page 1 Installation Manual Outdoor Unit of Air to Water Heat Pump Compress 3400i AWS CS3400iAWS 4 OR-S | CS3400iAWS 6 OR-S | CS3400iAWS 8 OR-S | CS3400iAWS 10 OR-S...

  • Page 2: Table Of Contents

    Operating range of the outdoor unit ....20 Refrigerant circuit ......21 Compress 3400i AWS – 6721825369 (2021/11)

  • Page 3: Explanation Of Symbols And Safety Instructions

    ▶ Isolate all poles of the mains voltage and secure For operation, follow the instructions of the user against reconnection. manual. ▶ Make sure the mains voltage is disconnected. ▶ Observe the wiring diagrams of other system Table 2 components as well. Compress 3400i AWS – 6721825369 (2021/11)

  • Page 4: Refrigerant

    • EN 378 (Refrigerating systems and heat pumps - Safety and ignition sources are kept way from the working area. environmental requirements) Ensure that the installation area is adequately • PED, 2014/68/EU (Pressure equipment directive) ventilated. ▶ Do not pierce or burn. Compress 3400i AWS – 6721825369 (2021/11)

  • Page 5: Product Description

    The data plate is located on the rear side of the outdoor unit. It contains Radiators information on the output, part number, serial number, date of Minimum flow 15l/min manufacture, type and amount of refrigerant. Table 5 Minimum volume and flow for outdoor unit CS3400iAWS 6-10 OR-S Compress 3400i AWS – 6721825369 (2021/11)

  • Page 6: Control Principle

    Dimensions of outdoor unit model CS3400iAWS 4 OR-S 0010036139-001 Fig. 2 Dimensions of outdoor unit CS3400iAWS 4 OR-S Liquid side service valve Gas side service valve Feet for anchorage Compress 3400i AWS – 6721825369 (2021/11)

  • Page 7: Or-S

    Dimensions of outdoor unit models CS3400iAWS 6 OR-S, CS3400iAWS 8 OR-S and CS3400iAWS 10 OR-S 0010036142-001 Fig. 3 Dimensions of outdoor unit model CS3400iAWS 6 OR-S, CS3400iAWS 8 OR-S and CS3400iAWS 10 OR-S Liquid side service valve Gas side service valve Feet for anchorage Compress 3400i AWS – 6721825369 (2021/11)

  • Page 8: Minimum Clearances

    Fig. 5 Package with marked centre of gravity [1] Front view [2] Top view [3] Top view with sound hood (dashed line) [a] Air inlet [b] Air outlet [*] Recommended in locations with heavy snow Compress 3400i AWS – 6721825369 (2021/11)

  • Page 9: Installation Locations

    ▶ Build a shelter above the outdoor unit to protect it from rain or snow. Be careful not to obstruct the air flow around the unit. 0010036758-001 Fig. 6 Concrete Floor/wall brackets (accessory) Outdoor unit feet Rubber pads Bolts Compress 3400i AWS – 6721825369 (2021/11)

  • Page 10: Assembly Of Wall Mounted Outdoor Unit

    Do not install on a light structure wall. If the access to the outdoor unit is via a ladder, do not install the outdoor unit more than 3m from the ground level. Compress 3400i AWS – 6721825369 (2021/11)

  • Page 11: Assembly Of Floor Standing Outdoor Unit

    2. Connect a 16mm drain hose to the drain connector, the drain hose should be installed downwards to allow smooth flow of draining water. 0010036819-001 Fig. 10 Installation of drain connector Rubber washer Drain connector Drain hose (not supplied with the outdoor unit) Compress 3400i AWS – 6721825369 (2021/11)

  • Page 12: Refrigerant Pipe

    1) Check for the (1) marked in Fig. 11 2) Check for the (2) marked in Fig. 11 3) Oil traps are required every 3 meters Table 6 Pipe length, elevation and refrigerant charge Compress 3400i AWS – 6721825369 (2021/11)

  • Page 13: Piping Preparation

    For that consider a Ø 60 mm hole core drill . After pipes are prepared as mentioned in chapter 5.2.3, you can connect them to the outdoor unit. 0010036762-001 Fig. 13 ▶ Wrap the insulated pipe end to prevent water from going inside piping. Compress 3400i AWS – 6721825369 (2021/11)

  • Page 14: Vacuum, Charging And Leakage Test

    3. Connect the centre hose of the charging set to a vacuum pump. 4. Turn on the power switch of the vacuum pump and ensure that the vacuum value will be approximately 30Pa (250 MICRON, 0.3milibar). This ensures that the refrigeration circuit is properly dehydrated. Compress 3400i AWS – 6721825369 (2021/11)

  • Page 15: Electrical Connection

    ▶ Use the correct rating of the fuse and mains circuit for the model to be installed. ▶ Connect the outdoor unit according to the circuit diagram (Chapter 9.4). Never connect any other consumers. Compress 3400i AWS – 6721825369 (2021/11)

  • Page 16: Connecting The Outdoor Unit

    5. Connect one end of the power supply to the outdoor unit (fig. 20 [B]) and the other end to the mains distribution board. 6. Secure the cables with the cable clamps. High 0010036992-001 Fig. 20 Cable connections [A] Communication to indoor unit [B] Power supply Compress 3400i AWS – 6721825369 (2021/11)

  • Page 17: Commissioning

    CS3400iAWS 4 OR-S, 3x2.5mm where you purchased the product. CS3400iAWS 6 OR-S and CS3400iAWS 8 OR-S You can find more information here: CS3400iAWS 10 OR-S 3x2.5mm www.weee.bosch-thermotechnology.com/ Table 8 Cable types Compress 3400i AWS – 6721825369 (2021/11)

  • Page 18: Maintenance

    Fig. 23 Wrist strap The damage is not normally immediately recognisable. A PCB may function perfectly during commissioning and problems often only arise Compress 3400i AWS – 6721825369 (2021/11)

  • Page 19: Pump Down The Refrigerant

    Air and noise data Nominal air flow rate 1800 2600 Sound pressure level at a distance of 1 m dB(A) Sound power dB(A) Max. sound power - day dB(A) Max. sound power - night (silent mode) dB(A) Compress 3400i AWS – 6721825369 (2021/11)

  • Page 20: Operating Range Of The Outdoor Unit

    Fig. 24 Operating range of heat pump in cooling mode [T0] Flow temperature [T1] Outdoor temperature T0 [°C] T1 [°C] 0010035494-001 Fig. 25 Operating range of heat pump in heating mode without auxiliary heater [T0] Flow temperature [T1] Outdoor temperature Compress 3400i AWS – 6721825369 (2021/11)

  • Page 21: Refrigerant Circuit

    Four way valve Service valve Service port [10] Fin tube heat exchanger [11] Fan and motor [12] Filter [13] Electronic expansion valve [14] Water circuit [15] Refrigerant circuit [16] Heating mode [17] Cooling mode Compress 3400i AWS – 6721825369 (2021/11)
  • Page 22 [C] Communication to indoor unit [OAT] Outdoor air temperature [BLU] Blue [OCT] Outdoor coil temperature [BRN] Brown [OMT] Outdoor coil middle temperature [WHT] White [RV] Reverse valve [YEL] Yellow [- - -] Optional [GRN] Green Compress 3400i AWS – 6721825369 (2021/11)
  • Page 23 [EEV] Electronic expansion valve [GND] Ground (earth) [HPS] High pressure switch [M2L] Auxiliary communication [OAT] Outdoor air temperature [OCT] Outdoor coil temperature [OMT] Outdoor coil middle temperature [RV] Reverse valve [- - -] Optional Compress 3400i AWS – 6721825369 (2021/11)
  • Page 24 Bosch Thermotechnik GmbH Junkersstrasse 20-24 D-73249 Wernau www.bosch-thermotechnology.com...

This manual is also suitable for:

Cs3400iaws 4 or-sCs3400iaws 6 or-sCs3400iaws 8 or-sCs3400iaws 10 or-s

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