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

Bosch Compress 3400i AWS 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 3400i AWS
CS3400iAWS 10 M

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Summary of Contents for Bosch Compress 3400i AWS

  • Page 1 Installation manual Indoor Unit for Air to Water Heat Pump Compress 3400i AWS CS3400iAWS 10 M...

  • Page 2: Table Of Contents

    Maintenance ........23 Compress 3400i AWS – 6721829798 (2023/08)

  • Page 3: Explanation Of Symbols And Safety Instructions

    ▶ Avoid skin or eye contact with refrigerant. manual. ▶ Seek medical attention if you get refrigerant on your skin or in your For operation, follow the instructions of the user eyes. manual. Table 2 Compress 3400i AWS – 6721829798 (2023/08)

  • Page 4: Refrigerant

    ▶ Check the pH value after > 3 months of operation. Ideally at the first – Earth bonding continuity is ensured. service. ▶ Do not connect any electrical supply to the circuit if a fault that can compromise safety is detected. Compress 3400i AWS – 6721829798 (2023/08)
  • Page 5 ≤ 10 μS/cm. therefore it is not advisable to use it. Instead of water treatment, system separation with a heat exchanger, directly after the heat generator, can be provided. Compress 3400i AWS – 6721829798 (2023/08)

  • Page 6: Product Description

    Table 5 Recommendation for hard domestic water (underfloor heating). Product description Supplied parts 0010035809-002 Fig. 2 Supplied parts Indoor unit Compress fitting Ø 22for DHW (domestic hot water) Adjustable feet Safety assembly Documentation Outdoor temperature sensor Jumpers for 1-phase installation Compress 3400i AWS – 6721829798 (2023/08)

  • Page 7: Information On The Indoor Unit

    45 °C (approximately), the outdoor unit is automatically turned off and is unable to produce any heat. In this case, the integrated electric booster heater of the indoor unit adopts the heating and DHW mode. Compress 3400i AWS – 6721829798 (2023/08)

  • Page 8: Product Overview

    Cable conduit for power circuit cables (230V/400V) [10] Domestic cold water connection [11] Domestic hot water (DHW) connection [12] Refrigerant in from outdoor unit (gas) [13] Cable feed for Connect-Key K 30 RF (accessory) Compress 3400i AWS – 6721829798 (2023/08)

  • Page 9: Product Dimension And Minimum Clearances

    The unit should ideally be installed in front of an external wall or an insulated partition. 1800 > 0010035878-001 Fig. 5 Dimensions (mm) 0010039955-01 Fig. 4 Minimum distance (mm) 10040235-001 Fig. 6 Connection dimensions, view from top Compress 3400i AWS – 6721829798 (2023/08)

  • Page 10: Connection Dimensions

    Minimum Recommended Underfloor/fan coils Radiators Minimum flow 15l/min Table 9 Minimum volume and flow for outdoor unit CS3400iAWS 6-10 OR-S Compress 3400i AWS – 6721829798 (2023/08)

  • Page 11: Installation

    ▶ Keep foreign bodies from entering the pipework. ▶ Do not leave pipe parts and connections directly on the ground. ▶ When deburring, make sure that no residue remains in the pipe. Compress 3400i AWS – 6721829798 (2023/08)

  • Page 12: Removing The

    Removing the front cover of the indoor unit To remove the front cover of the indoor unit: 1. Remove the screw located at the top of the indoor unit. 2. Slide the cover upwards. Compress 3400i AWS – 6721829798 (2023/08)

  • Page 13: Connection

    See the outdoor unit manual for guidance on connecting the refrigerant ▶ Connect the heating circuit pipes to the appliance (B). pipes. ▶ Connect the bypass if installation do not meet the required flow and pressure loss (C). Compress 3400i AWS – 6721829798 (2023/08)

  • Page 14: Connecting The Indoor Unit To The Heating System, Outdoor Unit And Dhw

    Connections on the indoor unit to the heating system and DHW SC1: Particle filter (connection from the heating system return) Flow to heating system Refrigerant out to outdoor unit (liquid) Refrigerant in from outdoor unit (gas) Domestic cold water connection DHW connection Compress 3400i AWS – 6721829798 (2023/08)

  • Page 15: Filling The Indoor Unit

    7. Close the drain valve VA0 and hot water taps. 8. Close the filling valve VW2 when operating pressure at GC1 reaches 2 bar. 9. Remove the hose from VA0. 10.Vent the system (chapter 6.2). Compress 3400i AWS – 6721829798 (2023/08)

  • Page 16: Electrical Connection

    ▶ Insert the power circuit cables trough the power circuit cables conduit marked with 230V/400V on the top of the appliance (see Fig. 3). Lead the cables all the way until they reach the front of the appliance. Compress 3400i AWS – 6721829798 (2023/08)

  • Page 17: Connections To Installer Module Of The Indoor Unit

    [FW1] Alarm, inert anode (accessory) Max. load at relay output PK2: 2A, cosϕ > 0.4. Install supplementary [PW2] DHW circulation pump relay with a bigger load outside of the appliance. [PK2] Heating pump cooling buffer/fan convector Compress 3400i AWS – 6721829798 (2023/08)

  • Page 18: Can-Bus

    ▶ Use cable with a minimum cross-section of 0.5 mm ▶ In case of external inductive interferences (e.g. from PV systems), use screened cables. Connect only one end of the cable shield to the nearest ground. Compress 3400i AWS – 6721829798 (2023/08)

  • Page 19: Fitting Temperature Sensors

    The sensor must not be installed directly under the roof. ▶ Connect the outdoor temperature sensor T1 to the terminal T1 on the installer module. 6 720 809 156-23.1I Fig. 14 Position of the outdoor temperature sensor Compress 3400i AWS – 6721829798 (2023/08)

  • Page 20: External Connections

    [1] 400V 3N~10A, power supply to indoor unit 6. Check the operation of the heating system after startup [2] 230V~, controller (EMS modules) accessory (instructions for control unit). [3] 230V~, power supply for heating cable (accessory) Compress 3400i AWS – 6721829798 (2023/08)

  • Page 21: Venting The Indoor Unit

    0.7 bar above the pressure set for the expansion vessel. [13] Check that the outdoor unit is running and that there are no alarms. [14] Also vent the heating system via the other air vent valves (e.g. radiators). Compress 3400i AWS – 6721829798 (2023/08)

  • Page 22: Adjusting The Operating Pressure Of The Heating System

    Check the following figure to better understand how to program the heat different heating systems. pump operation. ▶ With underfloor heating system 5 K as temp.diff. Setting heating. ▶ With radiators 8 K as temp.diff. Setting heating. These settings are optimal for the heat pump. Compress 3400i AWS – 6721829798 (2023/08)

  • Page 23: Operation Without The Outdoor Unit

    The tasks described below must be carried out during an inspection. Display activated alarm ▶ Check the alarm log (instructions for the control device). Function test ▶ Carry out function check ( Chap. 6.4). Compress 3400i AWS – 6721829798 (2023/08)

  • Page 24: Particle Filter

    ▶ Reinstall the strainer (4). For proper assembly, make sure that the guide bumps fit into the recesses in the valve. ▶ Screw the cap back on (hand tight). ▶ Open the valve (5). Compress 3400i AWS – 6721829798 (2023/08)

  • Page 25: Replacing Components

    ▶ Connect the cable on the installation module to terminal EMS-BUS. If a component is already connected to the EMS terminal, establish the connection in parallel to the same terminal according to fig. 21. Compress 3400i AWS – 6721829798 (2023/08)

  • Page 26: Safety Thermostat

    ▶ Turn off the underfloor heating circuits in damp areas (e.g. bathroom and kitchen), and if necessary control via relay output PK2. A prerequisite for using the swimming pool heating is the installation of a swimming pool module (accessory). Compress 3400i AWS – 6721829798 (2023/08)

  • Page 27: Connect-Key K 30 Rf

    ( instructions of control unit). ▶ Make the necessary settings for the swimming pool mode ( instructions for control unit). A WLAN router, internet connection and the Bosch HomeCom Easy app are required to use this product. Installation on the wall: 0010035957-001 Fig.

  • Page 28: Environmental Protection And 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/ Compress 3400i AWS – 6721829798 (2023/08)

  • Page 29: Technical Information

    Table 11 Indoor unit technical specifications 11.2 Primary circulation pump diagram Primary circulation pump diagram (PC0) for the heating system CS3400iAWS 10 M. H [m] Q [m³/h] 0010035861-001 Fig. 25 Capacity curve of the primary circulation pump (PC0) Compress 3400i AWS – 6721829798 (2023/08)

  • Page 30: System Solutions

    Electric booster heater Buffer >15 Direct system bypass On/off valves with no Buffer open circuits No open circuits and Serial buffer differential pressure 1) Buffer size must be more than 35l. Compress 3400i AWS – 6721829798 (2023/08)

  • Page 31: Explanations To The Hydraulic Configuration

    0010038301-001 Fig. 26 Indoor unit with heating circuit and bypass Bypass Flow pipe diameter Return pipe diameter  Fig. 27 Bypass details ( [1] [CS3400iAWS 10 M fig. 26) Minimum bypass length Pipe diameter Compress 3400i AWS – 6721829798 (2023/08)

  • Page 32: System With Integrated Booster Heater, Dhw And Heating Circuit Without Bypass And Mixing Valve

    400V AC IDU AWS M CS3400i AWS 6 720 878 481-01.1T Fig. 29 Outdoor unit with indoor unit and one direct heating circuit [1] Installed in the indoor unit [5] Mounted on the wall Compress 3400i AWS – 6721829798 (2023/08)

  • Page 33: System With Integrated Booster Heater, Dhw And Heating Circuit With Or Without Mixing Valve And With Bypass

    Fig. 30 Outdoor unit with indoor unit and one or many heating circuits Installed in the indoor unit. Mounted on the wall. Installed in the indoor unit or mounted on the wall. PC1 and bypass are required in this hydraulic system ( Chapter 5.5.1). Compress 3400i AWS – 6721829798 (2023/08)

  • Page 34: System With Integrated Booster Heater, Buffer, Dhw And Heating Circuit With Or Without Mixing

    Fig. 31 Outdoor unit with indoor unit, buffer, external auxiliary heater, DHW and one or many heating circuits [1] Installed in the indoor unit [4] Installed in the indoor unit or mounted on the wall [5] Mounted on the wall For this hydraulic system PC1 is required ( Chapter 5.5.1). Compress 3400i AWS – 6721829798 (2023/08)

  • Page 35: Valve

    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 Electrical heater Table 14 Hydraulic symbols Compress 3400i AWS – 6721829798 (2023/08)

  • Page 36: Electrical Wiring Diagram

    [PK2] Relay output, cooling mode, 230V [TC3] Condenser temperature sensor [FW1 PWR]230V anode (accessory) [I1] External input 1 [VW1]DHW 3-way valve [I4] External input 4 [PC1] Heating circulation pump [TR3] Refrigerant liquid temperature [PC0] Primary circulation pump [MK2]Condensation sensor(s) Compress 3400i AWS – 6721829798 (2023/08)

  • Page 37: Can & Ems Bus

    Outdoor unit Outdoor unit Outdoor unit terminals Control unit (user interface) Coding switch setting for A and P encoders (A=0, P=1) Installer module Room controller (accessories) EMS module (accessory) Connect-Key K 30 RF (accessory) Compress 3400i AWS – 6721829798 (2023/08)

  • Page 38: Wiring Diagram For 5.85Kw 230V~ Electric Booster Heater, Cs3400Iaws 4-10 Or-S 230V

    11.4.4 Wiring diagram for 5.85kW 400V 3N~ electric booster heater, CS3400iAWS 4-10 OR-S 230V~ 0010036194-003 Fig. 35 Wiring diagram 5.85kW 400V 3N~ Distribution board Indoor unit 5.85kW, 400V 3N~ Outdoor unit 230V~ [PC1] Heating circulation pump [T0] Flow temperature sensor [T1] Outdoor temperature sensor Compress 3400i AWS – 6721829798 (2023/08)

  • Page 39: 400V 3N~ Indoor Unit With 230V~ Outdoor Unit

    The output of the electric booster heater must be limited to a maximum of 3.9kW with the configuration in parallel mode with the outdoor unit. • Electric booster heater in compressor mode: 1.95-3.9kW (K3 blocked) • Only electric booster heater, compressor off: 1.95-3.9-5.85kW Compress 3400i AWS – 6721829798 (2023/08)

  • Page 40: Alternative Connection To The Ems-Bus

    11.4.6 Alternative connection to the EMS-BUS Fig. 37 Alternative connection to the EMS-BUS Star network or serial connection with external coupling box Star network Serial connection Installer module Accessory modules (e.g. room controller, heating circuit module, solar module) Compress 3400i AWS – 6721829798 (2023/08)

  • Page 41: Cable Scheme

    – 10 25800 3070 10001 4372 2084 1070 – 5 19770 2510 8060 3605 1753 15280 2055 6536 2989 1480 Table 19 Outdoor temperature sensor T1 Table 17 Flow temperature sensor T0, TC0, TC1 Compress 3400i AWS – 6721829798 (2023/08)

  • Page 42: System Commissioning Report

    Is the outside temperature sensor T1 on the coldest side of the house? Power supply:  Yes |  No Is the phase sequence of L1, L2, L3, N and PE in the outdoor unit correct? Compress 3400i AWS – 6721829798 (2023/08)
  • Page 43  Yes |  No Has the commissioning been performed correctly?  Yes |  No Does the installer have to perform additional measures? Comments: Installer signature: Customer's signature: Table 20 System Commissioning Report Compress 3400i AWS – 6721829798 (2023/08)
  • Page 44 Middle East and Caucasian Area Bosch Termoteknik Isıtma ve Klima Ticaret A.S. Aydınevler Mah. İnönü Cad. No:20 Küçükyalı Ofispark A Blok 34854 Küçükyalı / Maltepe - İSTANBUL Tel: +90 216 432 08 00 Products manufactured by Bosch Thermotechnik GmbH Junkersstrasse 20-24 73249 Wernau, Germany www.bosch-thermotechnology.com...

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Cs3400iaws 10 m