BOSCH CS5800i Air Water Heat Pumps Installation Guide

BOSCH CS5800i Air Water Heat Pumps

Product Specifications

• Model: CS5800i
• Outdoor Unit Noise Level: 40dB(A)
• Refrigerant: R290 (low global warming potential score of 3)
• Indoor Unit Water Tank Capacity: 180 liters
• Control System: HMI 800 controller with intuitive touchscreen
• Heating Capacity: High performance

Product Usage Instructions

Outdoor Unit Installation and Features The CS5800i outdoor unit is designed for easy installation and quiet operation.

Follow these steps

1. Choose a suitable location with flexible seating options.
2. Connect rear-facing connectors for F-Gas-free fitting.
3. Securely install the unit using the monobloc design.
4. Access control box and main components by removing a few screws.

Indoor Unit Setup The freestanding indoor unit provides all-in-one heating and hot water solutions. Here’s how to set it up:

1. Pre-fit hydraulic system components for an easier installation process.
2. Utilize the built-in water cylinder that stores 180 liters of domestic hot water.
3. Connect the unit to the Bosch HomeCom Easy app for interactive control.

Frequently Asked Questions

Q: Is the CS5800i outdoor unit suitable for both renovation projects and new builds?

A: Yes, the CS5800i outdoor unit is perfect for both renovation projects and new builds due to its compact design and compatibility with various indoor units.

Q: How can I access the control box of the outdoor unit?

A: Simply remove a few screws to access the control box and main components of the CS5800i outdoor unit for maintenance or adjustments.

Q: Can customers control heating using the Bosch HomeCom Easy app?

A: Yes, customers can easily control heating settings via the Bosch HomeCom Easy app when connected to the CS5800i tower unit with the Connect-Key K30.

• Welcome to the future of heat pump technology.
• A world of modern design, responsible heating, and easy installation.
• A world where home heating looks, sounds, fits, and performs better than ever before.
• Designed for Irish homes, the brand new CS5800i range is designed for new build and renovation projects alike – making it easier than ever to bring responsible heating solutions to your customers.

Quieter, smaller, easier

• Our easier-on-the-eye outdoor unit
• A brand new heat pump for a brand new age, the CS5800i outdoor unit brings a more sustainable future to home heating.
• With space-saving features, a compact footprint, modern design, and easy installation all built in – it’s a compact heat pump with a big impact.
• It makes your life easier through its monobloc design, so you can access the control box, condenser, and evaporator easily – and carry out your installations quickly.
• Your customers can relax too, knowing the CS5800i is our quietest heat pump ever and barely makes as much noise as their kitchen refrigerator.
• Add to this a low global warming potential and the CS5800i outdoor unit is something to get pumped about.
• For full terms and conditions please visit Worcester-bosch. ie/guarantee-terms-and-conditions .

Key features

• Ultra quiet
  • With integrated diffuser
• Compact
  • Stunning modern design and simple to install
• High performance
  • Flow temperatures up to 75°C for a wider range of Irish homes & SCOP up to 4.65
• Responsible
  • R290 refrigerant has a low global warming potential score of only 3
• Flexible
  • Perfect for renovation projects and new builds, with a range of compatible indoor units
• Design
  • All the style and maximum reliability you’ve come to expect from Bosch.

CS5800i outdoor unit Features

Our quietest outdoor unit ever

• With a built-in sound diffuser and insulated fan, the volume of this outdoor unit is almost unnoticeable.
• Producing just 40dB(A)*, somewhere between birdsong and the quiet hum of a refrigerator, your customer and their neighbors won’t even know there’s a heat pump hard at work.
• And with the sleek new design, it will compliment its surroundings too.
• Easy to fit
  • F-Gas-free fitting, with rear-facing connectors and monobloc design meaning easier and much quicker installation.
• Flexible siting
  • Choose the best place for the unit, with flexible installation options and compatibility with most homes and heating systems, no matter the age.
• Easy to access
  • Just remove a few screws to get to the control box and main components.
• High-performance refrigerant
  • R290 refrigerant delivers high performance and is a future-proof choice with a global warming potential of only 3.

Compact, connected, complete. All-in-one freestanding indoor unit

• Our CS5800i heat pump tower unit combines heating and hot water storage in a single, sleek, freestanding solution.
• With no separate water tank needed and no wall hanging required, this indoor unit brings space-saving style into any size of home.
• Easy to install and with everything your customers need built-in, the CS5800i tower unit makes everybody’s lives a little easier.
• There’s enough in the tank for a 4-bed home and, for extra peace of mind on those really cold nights when the heat pump needs to work harder, the backup booster packs a punch.

Key features:

• Easy installation
  • Hydraulic system components come pre-fitted for a simpler set-up
• All-in-one heating
  • Single unit solution – with air vent, circulation pump, diverter valve, booster heater, expansion vessel, and hot water storage all built-in
• Built-in water cylinder
  • Stores 180 litres of domestic hot water, without a separate tank
• Connected and interactive
  • With an intuitive color touchscreen and compatible with Connect-Key K30 and Bosch HomeCom Easy app, your customers are in control.

CS5800i DHW tower unit Features

• Connected controls
  • The built-in color intuitive touchscreen allows for easy configuration with the option to control heating via the Bosch HomeCom Easy app with the Connect-Key K30.
• Back-up heater
  • The CS5800i tower unit cylinder comes with a built-in 3kW electric heater, giving customers a fail-safe backup when the weather is at its coldest.
• Integral hot water cylinder
  • Save space with this unit which despite containing a 180-litre cylinder only uses the same floor space as a washing machine.
• Fast to install
  • This indoor solution is designed with installers in mind, to make installations quicker with integrated cylinder, micro-buffer, diverter valve, pumps, and back-up heater.

Quicker, easier, connected. All-in-one pre-plumb cylinder

• The all-new CS5800i pre-plumb cylinder is a complete ‘plug and play’ indoor solution, built with simple installation and your busy schedule in mind.
• With technology and ease of use at its core, the cylinder control unit comes with Connect-Key K30 connectivity as standard – meaning easy setup and the option to control heating via the Bosch HomeCom Easy app.
• Designed and built in the UK, specifically with Irish homes in mind, this cylinder can handle a wide range of domestic hot water volumes in any home – new or old and is available in a slimline variant for air cupboard installation.

Key features:

• Easy install
  • Faster installation with integrated micro-buffer, diverter valves, pumps, and backup heater
• Compact
  • Space-saving, easy installations in Irish homes
• Flexible
  • Full range of cylinder volumes for flexibility with renovations or new builds
• Connected
  • With an intuitive color touchscreen and compatible with Connect-Key K30 and Bosch HomeCom Easy app, your customers are in control
• UK-made
  • Designed and manufactured in the UK.

CS5800i pre-plumb cylinder Features

Easy installation

• This ‘plug and play’ indoor solution is designed with installers in mind, to make installations quicker.
• Install faster with integrated micro-buffer, diverter valve, pumps, and backup heater.
• Install anywhere with a kit designed to suit new-build and renovation project installations.
• Install easier with pre-fitted and accessible components.
• Install smaller with all components connected to the cylinder for one compact installation.

Back-up heater

• The CS5800i pre-plumb cylinder comes with a built-in 3kW electric heater, giving customers a fail-safe backup when the weather is at its coldest.

Flexible hot water solutions

• Fit-out homes of any size or shape, with a range of cylinders available
• 150L slimline*
• 180L slimline
• 180L standard*
• 210L standard
• 250L standard
• 300L standard*
• Available 2024

Connectivity

• Give your customers complete control wherever they are, by plugging in the Connect-Key K30 included with the CS5800i.
• Download the Bosch HomeCom Easy app to control their heating directly.

Connected, compact, flexible. Our stylish wall-hung unit

• The all-new CS5800i wall-hung unit brings simplicity and technology perfectly together, providing an alternative solution to the pre-plumbed cylinder.
• Incorporating Bosch’s modern design alongside accessibility – with easy access, installation, and integration with existing home-heating systems – this one has the beauty and the brains.
• And, with the Connect-Key K30 built in, the wall-hung CS5800i has the option to control the heating via the Bosch HomeCom Easy app.

Key features:

• Easy access
  • The engineer-focused design allows immediate access to the control box
• Flexible design
  • Ability to use third-party cylinders and components
• Interactive
  • Built-in color intuitive touchscreen for easy use

CS5800i wall-hung unit Features

Modern design

• Designed and engineered to be stylish and reliable – wherever it’s installed. Give efficient heating pride of place, even in the most modern customer homes.
• The CS5800i also comes with a built-in color intuitive touchscreen, for easy configuration inside the home.

Connectivity

• Give your customers complete control wherever they are, by plugging in the Connect-Key K30 included in this unit. Download the Bosch HomCom Easy app to control their heating directly.

Back-up heater

• The CS5800i wall-hung unit comes with a built-in 3kW electric heater, which provides a fail-safe backup when the weather is at its coldest.

Easy to access

• For servicing and installation, it’s just a removal of screws to get to the control box and the other main components.

Connected and in control Intelligent controls range

Control from anywhere with Connect-Key K30

• Included as standard, simply slot in the key, download the Bosch HomeCom Easy app, and connect to the wifi.
• Simple to control, there’s a choice of digital thermostats to suit your customer’s needs.

Optional accessories

CR20RF

• Wireless room thermostat, which works alongside the Connect-Key K30 plugged into the CS5800i pre-plumb cylinder or wall-hung unit:
• Flexible installation with wall-mount or tabletop stand
• Wireless and battery-powered thermostat
• Easily operated via the LCD with 5 touch buttons, or with the Bosch HomeCom Easy app
• Humidity sensor.

RT800

• Wired room thermostat, for the easiest and most immediate heating control at home:
• Direct control, no wifi required
• High-quality 2.4″ color display with 7 touch buttons
• Access system information at the touch of a button, or with the Bosch HomeCom Easy app
• Humidity sensor.

CS5800i training

Are you ready for the responsible heating revolution?

• Wherever you are in your low-carbon heating journey, from starting to adding to your heat pump expertise we can support you with these solutions.
• Installing heat pumps doesn’t need a specific qualification, but our complementary product training will help you get hands-on experience and understand all the features and benefits, specifications, installation, and servicing.

Explore our product training

Accessories & technical data

__**Accessories __**

Part Number| Description
8738206696| Alarm buzzer
7716161061| 50l buffer
7735500777| 120l buffer
8738214739| INPA Short (200mm – 400mm)
8738214740| INPA Long (500mm – 10000mm)
7747204698| Dew point sensor
8738214741| Floor stand small
8738214742| Small stand covers
8738205073| Bracket kit for MM100
8750743753| Wall-mount small
7738110140| MM100 Mixer
8738206183| CANbus cable 15m
8738206184| CANbus cable 30m
8738214748| Condensation heating cable 2.5m
8738214749| Condensation heating cable 3.5m
8738214750| Condensation heating cable 5.5m
7738112943| CR20RF controller
7738112961| RT800 controller
7738112314| CR10H Thermostat
8738214418| DHW tower hot water circulation pipe
7735502289| DHW cylinder sensor R60
7736601142| Pump Group HS25/6 s BO
---|---
7736601144| Pump Group HS25/6 BO
7736601148| Pump Group HSM25/6 BO
7736601151| Pump Group HS25/6 MM100 BO
7736601155| Pump Group HSM25/6 MM100 BO
Pre-plumb cylinders

Model| Part number| Dimensions WxHxD
180L Slim| 7731600271| 653mm x 1708mm x 645mm
210L| 7731600272| 674mm x 1561mm x 747mm
250L| 7731600273| 674mm x 1806mm x 747mm
Clearances: Front: 50mm (600mm wall), Left/Right: 150mm, Top: 200mm, Rear: 50mm
Wall hung unit

Model| Part number| Dimensions WxHxD
CS5800i 12 E G3| 8738214990| 400mm x 720mm x 297mm
Clearances: Front: 800mm, Left/Right: 50mm, Top: 550mm
Tower unit| |
---|---|---
Model| Part number| Dimensions WxHxD
CS5800i 12 M SST| 8738214735| 600mm x 1782mm x 600mm

System options/Output kW/Pre-plumb cylinders/Optional controls

CS5800i ODU| Wall Hung Unit| PP Cylinder 180L Slim| PP Cylinder 210L Slim| PP Cylinder 250L Slim| RT800| CR20 RF
---|---|---|---|---|---|---
4| Y| Y| Y| N| Y| Y
5| Y| Y| Y| Y| Y| Y
7| Y| Y| Y| Y| Y| Y
__**CS5800i outdoor units __**

Model| CS5800i 4 OR-S| CS5800i 5 OR-S| CS5800i 7 OR-S
Part number| 8738213464| 8738213465| 8738213466
Power supply| 230v| 230v| 230v
Dimension (WxHxD) mm| 1100 x 800 x 540| 1100 x 800 x 540| 1100 x 800 x 540
Weight (Kg)| 143| 143| 143
Clearances| Front: 2m (800mm*)

Left/Right: 1m (2m to wall or 400mm*)

Rear: 400mm (200mm*)

*Minimum distance: The clearance can be reduced to the minimum clearance on one side and either the front or rear. There must be no house openings (windows, doors, light shafts) and electrical sources of ignition (sockets, lamps, electric switches) within the protected area.

Sound Power (ERP – A7/W55)| 40| 42| 42
Fuse (A)| 16| 16| 16
Refrigerant| R290| R290| R290
Max flow temperature| 75°C| 75°C| 75°C
SCOP @ 35°C (MCS)| 4.53| 4.53| 4.54
SCOP @ 45°C (MCS)| 3.82| 3.90| 3.96
SCOP @ 55°C (MCS)| 3.03| 3.28| 3.29
Max output @-7/35 [kW]| 3.92| 5.42| 6.71
COP max output @-7/35| 2.89| 2.51| 2.36
Max output @7/35 [kW]| 4.99| 6.8| 7.97
COP max output @7/35| 3.59| 3.16| 3.07
Nominal output @7/35 [kW]| 2.84| 2.84| 2.84
COP nominal output @7/35| 4.85| 4.85| 4.85

Share

• We would love to see your installations!
• @WorcesterBosch
• Worcester Bosch Professional
• @WorcesterBoschProfessional
• Worcester Bosch Group
• Bosch Home Comfort
• Cotswold Way
• Warndon
• Worcester
• WR4 9SW
• worcester-bosch.ie
• This brochure is accurate at the date of printing but may be superseded and should be disregarded if specifications and/or appearances are changed in the interest of continued improvement.
• The statutory rights of the consumer are not affected.
• IRE CS5800i B 03/2024

Documents / Resources

| BOSCH CS5800i Air Water Heat Pumps [pdf] Installation Guide
CS5800i Air Water Heat Pumps, CS5800i, Air Water Heat Pumps, Water Heat Pumps, Heat Pumps, Pumps
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References

• New Boilers | Worcester Bosch
• New Boilers | Worcester Bosch

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