Webasto BlueCool S Series Installation Instructions

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Marine self-contained airconditioning systems

Installation Instructions

BlueCool S Series

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BlueCool S Series

Improper installation or repair of Webasto cooling and heating systems can lead to serious injury or death.

To install and repair Webasto cooling and heating systems you need to have completed a Webasto training course and have the appropriate technical documentation, special tools and special equipment.

Only genuine Webasto parts may be used. See also accessories catalogue and spare parts lists.

NEVER try to install or repair Webasto cooling and heating systems if you have not completed a Webasto training course, you do not have the necessary technical skills and you do not have the technical documentation, tools and equipment available to ensure that you can complete the installation and repair work properly.

ALWAYS carefully follow Webasto installation and repair instructions and heed all WARNINGS.

Webasto rejects any liability for problems and damage caused by the system being installed by untrained personnel.

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BlueCool S Series

Table of Contents

1 About This Document . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

2 Important Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

2.1 Safety precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

2.2 Statutory regulations governing installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

2.3 Additional documentation to be used . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

3 Delivery Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

4 Information on Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

4.1 Proper use. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

4.2 Comformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

4.3 Variants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

4.4 Type label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

4.5 Unit description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

4.6 Dimensions and minimum distances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

4.7 Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

5 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

5.1 General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

5.2 Installation location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

5.3 Installation example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

5.4 Transporting unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

5.5 Mounting unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

5.6 Installing condensed-water drain line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

5.7 Installing sea water circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

5.7.1 Installing through-hull fitting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

5.7.2 Installing sea water pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

5.7.3 Installing sea water strainer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

5.7.4 Installing sea water outlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

5.7.5 Installing sea water lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

5.8 Installing air ducts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

6 Electrical Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

6.1 General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

6.2 Installing electrical box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

6.3 Connecting unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

6.4 Mounting digital display and cabin temperature sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

6.5 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

6.5.1 Infrared remote control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

6.5.2 PC diagnosis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

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BlueCool S Series

7 Wiring diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

8 Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

8.1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

8.2 Operating levels for operator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

8.3 Setting levels for installer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

8.4 Switching on system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

8.5 Switching off system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

8.6 Switching on cooling mode/heating mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

8.7 Setting setpoint temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

8.8 Set the fan speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

9 Commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

9.1 Checking connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

9.2 Checking operation of condensed-water drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

9.3 Filling sea water pump head. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

9.4 Test run . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

10 Overview of Programming Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

10.1 Entering setting levels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

10.1.1 Entering Setting level 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

10.1.2 Entering Setting level 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

10.1.3 Entering Setting level 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

10.2 Description of programming codes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

10.2.1 Operating level and Setting levels 1, 2 and 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

10.3 Explanation of parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

10.3.1 Operating level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

10.3.2 Setting level 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

10.3.3 Setting level 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

10.3.4 Setting level 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

11 Inspection and Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

11.1 Air filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

11.2 Sea water circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

11.3 Electrical wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

11.4 Checklist for inspection and maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

12 Decommissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

13 Faults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

13.1 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

13.2 Faults displayed on digital display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

13.3 Faults not displayed on digital display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

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BlueCool S Series 1 About This Document

1 About This Document

Special aspects are pointed out with the following symbols:

CAUTION

Particular danger of injuries or fatal accidents

ATTENTION

Particular danger of damage to components

FLAMMABLE

Particular danger of fire and explosion

Environmental Information

Note on environmental protection

Technical Information

Reference to further sources of information

Note

Not on a special technical feature

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2 Important Notes BlueCool S Series

2 Important Notes

2.1 Safety precautions

CAUTION Moving parts!

Danger of injury, damage to air-conditioning system.

 Only operate the air-conditioning system

when installed.

CAUTION Hot surfaces!

Danger of burns.

 Do not touch the air-conditioning unit during

operation.

ATTENTION Danger from escaping refrigerant!

If you perceive a hissing noise and mist, refrigerant may have escaped and the airconditioning system may be defective. Please proceed as follows:

 Ventilate and leave room, interrupt power

supply and secure against switching on again;

 Go on deck;  Contact Webasto Service Centre or shipyard.

Please read this information carefully before you begin with the installation!

FLAMMABLE Ignition of surrounding gases or highly flammable liquids by sparking of the airconditioning system!

Danger of fire and explosion of ship or of petrol station.

 The air-conditioning systems must ALWAYS

be switched off during refuelling or while in a petrol station area.

ATTENTION

Defective operation or damage to the components of the air-conditioning system and the ship.

 Observe these installation instructions when

installing the electrical lines, sea water system, the electrical box and the air ducts.

If you require additional information about special applications in the marine sector or are unsure about an application option, please contact your authorised Webasto Marine dealer or phone us directly at the following number:

– Webasto Thermo & Comfort SE

+31-(0)38-3371160 (Netherlands)

– Webasto Product N. A., Inc.

1-800-555-4518 (USA) or 1-800-667-8900 (Canada).

Use the following phone number to learn the location of the Webasto Service Centre nearest you: – International: +31-(0)38-3371160 – USA: (800) 860-7866 (toll-free)

or visit our website at the following Internet address: – www.webasto.com or – www.webasto.us

2.2 Statutory regulations governing installation

NOTE

It is the responsibility of the person carrying out the installation to ensure that the installation meets all relevant local regulations. These include, for example, EU directives, regulations of the American Boat & Yacht Council and the American Coast Guard and general standards of the Air Conditioning and Refrigeration Industry (ARI). In addition, all relevant regulations for official approval (if available) with regard to the installation and use of auxiliary heaters in ships must be complied with.

Among other things, be sure to observe the following regulations and guidelines:

• Legal regulations for accident prevention

• Legal regulations for environmental protection

• The applicable safety conditions of the standard DIN EN ISO 12100

• Directive 97/23/EC of the European Parliament and of the Council to approximate the laws of the Member States concerning pressure equipment

• Directive 2004/108/EC of the European Parliament and of the Council to approximate the laws of the Member States concerning electromagnetic compatibility

• Directive 2006/95/EC of the European Parliament and of the Council to approximate the laws of the Member States concerning electrical equipment for use within certain voltage ranges

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BlueCool S Series 2 Important Notes

• Directive 2002/95/EC of the European Parliament and of the Council of 27 January 2003 on the restriction of the use of certain hazardous substances in electrical and electronic devices

• DIN EN 387 (refrigeration systems and heat pumps - safety-related and environmentallyrelevant requirements)

• DIN EN 60335-2-40 (safety of household and similar appliances - Safety - Part 2-40: Particular requirements for electrical heat pumps, airconditioners and dehumidifiers)

• Electrical systems in accordance with small-craft directive 94/25/EC (EN ISO 10133, ISO 13297 73/ 23/EC, 93/68/EC (Article 13), EN ISO 9097)

• Other local regulations.

2.3 Additional documentation to be used

Technical documentation for BlueCool S is also available at http://dealers.webasto.com.

For the operator:

• Operating instructions

For the installer (password-protected):

• Maintenance Instructions

• Troubleshooting Guide

• Validation Report

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3 Delivery Scope BlueCool S Series

1 2

10 4

5 6 7 9 8

3 Delivery Scope

The delivery scope contains:

1 = Electrical box 2 = Fixation brackets/ L clamp (4x) 3 = Air-conditioning unit 4 = Installation instructions 5 = Operating instructions 6 = Digital display 7 = Digital display bezel 8 = Cabin temperature sensor 9 = Digital display cable 10 = Air filter (already installed)

Fig. 1 Delivery scope

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BlueCool S Series 4 Information on Unit

4 Information on Unit

4.1 Proper use

The air-conditioning system is used to air-condition ships.

The BlueCool S has been built according to the current state of technology and the recognised safety rules. Nevertheless, in case of improper or in appropriate use, danger to the life and limb of the user or others and impairments of the unit and other property may result.

Any other use of the BlueCool S is not permissible. Any other use of or changes to the product, including as part of assembly and installation, will result in any and all warranty claims being voided.

4.2 Comformity

We, as the manufacturers, herewith declare that this product conforms with the basic directives for marketing in the EU.

97/23/EC Pressure Equipment Directive in accord-

ance with DIN EN 387 2004/108/EC Electromagnetic Compatibility (EMC) 2006/95/EC Electrical equipment (Low Voltage Direc-

tive) in accordance with DIN EN 60335-2-

40 2002/95/EC RoHS

4.3 Variants

Marine selfcontained air-conditioning unit (230 V):

– S8-R-230V-REV-R410a – S10-R-230V-REV-R410a – S13-R-230V-REV-R410a – S16-R-230V-REV-R410a – S20-R-230V-REV-R410a – S27-R-230V-REV-R410a

Fig. 2 Declaration of Conformity

Example: S20-R-230V-REV-R410a

S: Self-contained unit

20: Cooling capacity in kBTU/h

R: Rotary Compressor

(S: Scroll Compressor)

230 V: Rated voltage

REV: Reverse Cycle cooling and heating

(COOL: cooling only)

R410a: Refrigerant

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4 Information on Unit BlueCool S Series

1 = Fan outlet 2 = Type label 3 = Sea water outlet 4 = Fan motor 5 = 4-way reverse valve (cooling/heating)

6 = Sea water inlet 7 = Condensate tray (stainless steel) 8 = Air filter 9 = Compressor 10 = Evaporator

4.4 Type label

The type label is located on the evaporator of the unit (see Fig. 4). You will find the output, order number and registration data there.

4.5 Unit description

Fig. 3 Example of type label

Fig. 4 Unit BlueCool S

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BlueCool S Series 4 Information on Unit

>50

(100)

>40*

(100)

>50** (100)

>40

(100)

>20

(150)

The BlueCool S is an air-conditioning system with its four basic components, i.e. compressor, condenser, evaporator and throttle element.

Evaporator (air heat exchanger)

Refrigerant vapourises at low pressure and a temperature below the ambient temperature of the evaporator. It absorbs heat from the ambient air in the process.

Compressor (refrigerant compressor)

The refrigerant vapour extracted from the evaporator at low pressure is compressed to a higher pressure, and therefore to a higher temperature. In the process, additional heat is fed to the refrigerant.

Condenser (sea-water heat exchanger)

The compressed, heated refrigerant vapour is condensed at a temperature which is above the sea water temperature. In the process, the entire heat absorbed in the evaporator and compressor is given off to the sea water.

Throttle element (capillary tube)

The refrigerant at condensing pressure is expanded to the evaporation pressure in the throttle element.

NOTE

The heating mode is inefficient if the sea water temperature drops below approx. 6 °C, as it is not possible to extract sufficient heat from the cold sea water. The interior air cannot be heated sufficiently.

4.6 Dimensions and minimum distances

Cooling mode of operation

The air-conditioning system absorbs heat form the room air in the evaporator and cools it down by approx. 15°K. The cooled air is blown into the room with the fan.

The compressor now compresses the refrigerant vapour, which is then condensed to a liquid when flowing through a condenser cooled with sea water. The heat released is emitted to the sea water. The condensed refrigerant is routed through the throttle element and expanded to wet steam when flowing into the evaporator. The liquid portion of the refrigerant is now evaporated and absorbs heat from the room air again. As a result, the refrigerant circuit is closed.

NOTE

With all Webasto air-conditioning systems, sea water flows through the condenser, which is sucked in via a pump. This ensures the cooling process. If the sea water temperature is above 35 °C, the cooling capacity of the airconditioning system drops, as the heat absorbed can not longer be sufficiently transferred.

Heating mode

Heat can also be generated with the BlueCool S airconditioning system. A 4-way reverse valve is installed in the system for this purpose. As a result, the condenser becomes an evaporator and vice versa. The sea water heat exchanger (not the evaporator) withdraws available heat from the sea water, which is then fed to the refrigerant. The air heat exchanger becomes the condenser and gives off the condensation heat to the room air and heats it to approx. 45/50 °C.

Fig. 5 Dimensions and minimum distances

> xxx: Minimum distance (yyy): Recommended distance >40* and >50**: Exception S27, see table in Chapter 4.7

To remove and clean the air filter, a distance of > 100 mm above the system should be maintained if the cover plate cannot be removed.

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4 Information on Unit BlueCool S Series

4.7 Technical Data

Model S8-R-230V-

REV-R410a

Cooling capacity [BTU/ h] *1

Cooling capacity [kW] *12.4 2.9 3.8 4.7 5.9 7.9

Rated voltage [V] 230

Frequency [Hz] 50

Current draw (running) [A] *2

Current draw (start) [A] *3

Current draw - effective value RMS40 [A] *4

Current draw with blocked rotor LRA [A]

Recommended supply line circuit breaker [A]

Air flow

/h] *5

Air flow [162 cfm/h] *5

ø Sea water connection [mm] - [inches]

Minimum sea-water flow rate [l/min]

Recommended sea water pump *6

8,000 10,000 13,000 16,000 20,000 27,000

2.4 - 3.5 2.6 - 4.0 3.6 - 6.3 4.9 - 7.2 5.9 - 8.9 7.0 - 10.5

9.7 10.3 14.3 21.8 21.8 46.5

20 20 27.3 38.7 45.6 63.3

18.7 18.7 24 37 43 62

16 16 16 16 16 20 (compressor

275 400 500 625 625 2x 550

162 235 294 368 368 2x 324

8 1012141721

WB350 WB350 WB350

S10-R-230VREV-R410a

S13-R-230VREV-R410a

WB500G

S16-R-230VREV-R410a

19 - 3/4”

WB500 WB500G

S20-R-230VREV-R410a

WB500 WB500G

S27-R-230VREV-R410a

only)

WB1000 WB1000G

max. permissible ambient temperature [°C]

Net weight per unit [kg]

Dimensions (LxDxH) [mm] Also see Fig. 5.

Dimensions (LxDxH) [inches] Also see Fig. 5.

Minimum distance (recommended distance), on right. Also see Fig. 5.

Minimum distance (recommended distance), on left. Also see Fig. 5.

+40

20 22 27 31 34 46

313x400x301 310x475x310 355x500x320 360x540x330 340x590x370 510x570x390

12.3x15.7x11.9 12.2x18.7x12.2 14.0x19.8x12.6 14.2x21.3x13.0 13.4x21.3x14.6 20.1x22.4x15.4

50 (100) 40 (100)

40 (100) 50 (100)

Page 13

BlueCool S Series 4 Information on Unit

Model S8-R-230V-

REV-R410a

Minimum distance (recommended distance), at front Also see Fig. 5.

Minimum distance (recommended distance), at rear. Also see Fig. 5.

Minimum distance (recommended distance), at top. Also see Fig. 5.

ø of air outlet [mm] - [inches]

Min. ø of air duct [mm] - [inches]

Supply air grille [cm

Return air grille [cm2] 490 550

Refrigerant quantity R410a [g]

Min. sea water temperature in heating mode [°C]

Max. sea water temperature in cooling mode [°C]

] 235 250

250

S10-R-230VREV-R410a

100 - 4” 125 - 5” 2x 125 - 2x 5”

280

S13-R-230VREV-R410a

380

S16-R-230VREV-R410a

40 (100)

20 (150)

50 (100)

400 580

S20-R-230VREV-R410a

390

800

S27-R-230VREV-R410a

650

1,600

670

*1 BTU/h and electrical data are based on 7 °C evaporation temperature and 38 °C condensation temperature *2 Amperage values for core unit depending on compressor load. Maximum values under tropical conditions at 230V/50Hz. *3 Starting amperage RMS (Root Mean Square) for core unit for the first 300 ms *4 Starting amperage RMS (Root Mean Square) for core unit for first 40 ms *5 Air flow free blowing *6 Recommendation only. The pump size shall be adapted to the application in order to always ensure minimal sea water flow.

Page 14

5 Installation BlueCool S Series

5 Installation

5.1 General information 5.2 Installation location

NOTE

To ensure proper operation, the following must be observed:

• Air outlets must be installed above below the ceiling to ensure sufficient mixing and cooling or heating of the room air.

• Avoid a cold air short-circuit between the air outlet and the air inlet. These must be mounted with a sufficient distance from each other.

• The cabin temperature sensor may not be mounted on the air outlet, as otherwise the controller cannot detect the actual temperature in the room.

• All components must be positioned and installed in accordance with their installation instructions.

• A noise reduction can be achieved if desired by insulating the area around the system.

FLAMMABLE Danger of ignition of explosive gases!

Danger of ship exploding.

 Do not install air-conditioning system in rooms

with highly flammable liquids or gases.

CAUTION The air-conditioning system can intake and distribute escaping carbon monoxide and other gases!

Danger of poisoning and suffocation.

 Never install the air-conditioning system in the

machine room of the ship's engine or in any other room in which harmful gases can be sucked in.

BlueCool S air-conditioning systems are generally installed in the living area.

Requirements for the installation location:

• Sufficient space must be available to ensure access to the refrigerant, sea water, condensed-water drain and electrical connections. See Chapter 4.6, “Dimensions and minimum distances”.

• The system must be accessible for service and maintenance purposes.

• The air-conditioning unit must be installed on a flat, horizontal surface.

• As condensed water results during operation of the airconditioning unit, a drain line must be provided on the condensate tray.

Page 15

BlueCool S Series 5 Installation

A) BlueCool S air-conditioning unit B) Digital display C) Return air grille D) Flexible air duct E) Transition box F) Supply air grille G) Sea water inlet H) Sea water strainer

I) Sea water pump J) Sea valve K) Sea water outlet L) Sea water hose M) Electrical box N) Power supply O) Cable for digital display

5.3 Installation example

The illustration below shows an example of a typical installation of a BlueCool S air-conditioning system.

Fig. 6 Installation example

Page 16

5 Installation BlueCool S Series

5.4 Transporting unit

CAUTION The unit is heavy and can be carried incorrectly!

Danger of injury, damage to the system and oil or refrigerant loss caused by dropping and carrying incorrectly.

 Only carry the unit by the condensate tray, by

the fan or by the upper pipe elbows of the condenser. Never grasp and carry the unit by other pipes. See Fig. 7.

 The fins of the evaporator bend easily. When

installing, make sure that bent fins are correctly aligned again to ensure proper air feed.

5.5 Mounting unit

ATTENTION Do not remove covers, caps or fittings!

Danger of damage to the electrical components and refrigerant loss.

 Do not remove covers, caps or fittings used to

protect the electrical wiring or to seal off the refrigerant.

ATTENTION Water damage can occur!

Danger of water damage to furniture, devices, etc.

 Do not damage the insulation of the conden-

sate tray to avoid condensed-water from forming on the outside of the condensate tray.

 Lift unit and position it at the installation location.

 Fasten the unit using the "L" clamps provided.

Fasten the unit so that secure seating is ensured, however the unit can be removed again later for maintenance purposes if necessary.

Fig. 7 Transport the unit.

5.6 Installing condensed-water drain line

NOTE

Danger of water damage.

 Route the condensed-water drain line with a

downhill slope and without water pockets to ensure sufficient emptying of the condensate tray and to prevent damage by backed-up condensed water.

The condensed-water drain line must match the diameter of the condensed-water drain fitting on the condensate tray. The condensed-water drain line must be of a sufficient size if several air-conditioning units are connected.

 Connect the condensate tray to the bilge or other

condensed-water or water-connecting points via the condensed-water drain line. No counter-pressure may prevail in the condensed-water drain line. For example, never connect the condensed-water drain line to the sea water line of the air-conditioning system. If necessary, create a new water collection point, complete with a pump, level switch and drain line.

Page 17

BlueCool S Series 5 Installation

5.7 Installing sea water circuit

NOTE

The sea water components must be installed with a continuous uphill slope from the throughhull fitting to the strainer and pump to the airconditioning unit. This ensures that no air bubbles collect in the sea water circuit which can lead to a malfunction of the pump.

1 = Through-hull fitting with sea valve 2 = Sea water strainer 3 = Sea water pump 4 = Bleeding valve 5 = Air-conditioning unit 6 = Sea water outlet

Fig. 8 Sea water circuit

Page 18

5 Installation BlueCool S Series

5.7.1 Installing through-hull fitting

CAUTION Sea water enters when installed incorrectly!

Boat can sink; danger of drowning.

 Suitable measures must be taken to install the

through-hull fitting in order to prevent an unchecked entry of sea water.

NOTE

• The sea water inlet must be mounted at the lowest possible point below the water line and below the sea water pump.

• Through-hull fittings must be installed with the openings in the direction of travel to produce supporting back-pressure in the intake line

• Sailboats: install the through-hull fitting near the centre of the hull

• Fast motor boats: install through-hull fitting in rear section of hull.

The sea valve on the through-hull fitting is used for safety and maintenance purposes.

If one sea water pump supplies several air-conditioning units, a water distributor and pump relays are required. For information on this topic, see Fig. 18, “BlueCool S (several units, 1 pump)”.

A shut-off valve must be provided for each air-conditioning unit.

Self-priming sea water pumps

If a self-priming pump is installed above the water line, the pump head must be pre-filled during initial start-up or after longer times at standstill to enable self-priming.

Pump characteristics

The pump characteristics enable the selection and dimensioning of the sea water pump depending on expected pressure losses in the entire system. Operation of the pumps outside the pump characteristic can result in pump damage due to motor overloading or cavitation. Damage which occurs due to improper operation is excluded from the warranty.

 Install through-hull fitting, seal off with sealant and check

for leak-tight seating.

5.7.2 Installing sea water pump

NOTE

• We recommend installing the sea water pump at least 0.25 m below the water line.

• If installation below the water line is not possible, a self-priming pump must be used.

Selecting sea water pump

To increase the operating safety, we recommend the use of self-priming pumps. These are considerably less subject to the collection of air which, for example, can enter the system when manoeuvring in reverse or when heeling.

Cascading of several BlueCool S Series systems supplied via one sea water pump and one sea water inlet is possible. However, the maximum number should be limited to four SSeries systems.

Installation

 Install the sea water pump.

Make sure that the pump is accessible for maintenance work.

 It is urgently recommended that a vent be installed directly

behind the outlet opening of the sea water pump. This especially applies to the pumps WB250/350/500/1000. See Fig. 8.

Each system requires a separate sea water outlet to check the respective minimum flow rate and to enable an operating check of the system. To adjust the flow rates, throttles in the form of cross-sectional reductions may be used if necessary.

Page 19

BlueCool S Series 5 Installation

5.7.3 Installing sea water strainer

NOTE

• Match the size of the sea water strainer to the sea water quality. If a great deal of dirt is to be expected, then a strainer of the corresponding size should be chosen.

• The sea water strainer must be installed between the through-hull fitting and the sea water pump.

• Comply with specified direction of flow.

• Make sure that the sea water strainer is accessible for maintenance work.

 Install the sea water strainer in accordance with the ma-

nufacturer's specifications.

5.7.4 Installing sea water outlet

NOTE

• The sea water outlet must be installed approx. 0.10 m above the water line.

• Do not install the sea water outlet in the bow area of the ship to prevent back flow.

The sea water outlet may not be mounted below the waterline. Although this results in reduced operating noises, it does increase the counter-pressure in the system, considerably lowering the flow rate. Then a simple test of the flow rate is no longer possible.

Each air-conditioning unit requires a separate sea water outlet to ensure and to check the required supply with cooling water.

5.7.5 Installing sea water lines

CAUTION Sea water enters when installed incorrectly!

Boat can sink; danger of drowning.

 Install double hose clamps on sea water lines.

NOTE

• Observe the minimum diameter of the sea water lines (see Chapter 4.7, “Technical Data”).

• Only use reducers when this serves the specific distribution of the volume flows when several systems are connected to one pump.

• The sea water lines must be installed as follows: – As short as possible – Kink-free – Without water pockets – Protected against rubbing.

• On the intake side of the pump, it is advisable to use a line with overdimensioned cross-section, as soiling can occur here most frequently, resulting in an unintentional reduction of the flow rate.

 Install the intake line(s) with a light upward incline from

the sea water inlet to the air-conditioning unit.

 Install delivery line(s) to the air-conditioning unit and the

sea water outlet.

5.8 Installing air ducts

ATTENTION Condensed water can form on the outer surfaces of the cold air ducts!

Danger of water damage.

 Completely insulate the air ducts, as otherwise

condensed water will result on the outside of the air duct and drip water will form.

ATTENTION Damage to objects behind installation surfaces during sawing, drilling and screwing work!

Danger of damage to furniture, devices, hoses, electrical wiring, etc.

 When producing the openings for the return

air grille and the supply air grille, take the objects located behind these areas into account.

Page 20

5 Installation BlueCool S Series

NOTE

• Prevent a restriction of the air supply due to excessively tight bending radii of the air ducts or due to accidental deformations.

• Install the air ducts as short as possible (< 2.5 m). Excessively long air ducts result in a reduction in the air flow, and therefore in a decrease in the cooling/heating capacity of the system.

• The return air grille should be mounted offset so that the air flowing in does not flow directly into the evaporator inlet. This enables the intake noises from the fan to be considerably reduced. See Fig. 9.

Table 1 Requirements for air duct

Fig. 9 Mount return air grille offset.

Minimum cross-section of return air and supply air grille

The minimum cross-sections of the return air and supply air grille and the air ducts must be taken into account for a satisfactory functionality of the air-conditioning system.

Model BlueCool S

8,000 BTU/h 1x 235 cm² 1x 490 cm² 100 mm 125 mm

10,000 BTU/h 1x 235 cm² 1x 490 cm² 100 mm 125 mm

13,000 BTU/h 1x 250 cm² 1x 550 cm² 125 mm 150 mm

16,000 BTU/h 1x 390 cm² 1x 800 cm² 125 mm 150 mm

20,000 BTU/h 1x 390 cm² 1x 800 cm² 125 mm 150 mm

27,000 BTU/h 2x 650 cm² 2x 1,600 cm² 2 x 125 mm 2 x 150 mm

Duct type

When flexible air ducts are used, they must be of a high quality and must be sufficiently reinforced with steel or plastic coils to prevent accidental crushing. Flexible air ducts should be pulled out to their maximum length to offer the smoothest possible inside surface. For extremely long air duct sections, rigid ducts (e.g. made of PVC) should be given preference. These ducts are much smoother than flexible air ducts, and therefore also have a considerably lower inside resistance.

Supply air grille

Cross-section

Return air grille

Cross-section

Diameter of air

duct

<2m long

Diameter of air

duct

<5m length

Fan outlet

Flexible air ducts mounted directly on the fan outlet and then bent at right angles must always be avoided, as they considerably restrict the air flow. All Webasto fans can be mounted in several positions to enable a straight outlet out of the fan. An example of proper installation is shown in Fig.

10.

Fig. 10 Fan outlet turned (on right)

Turning fan

The fan must be removed to turn it.

 Remove the black insulation off the fastening screws of

the fan motor on the back of the fan.

Page 21

BlueCool S Series 5 Installation

 Screw out the screws of the fan motor and carefully remo-

ve the fan without bending the impeller. The power cable to the fan can remain connected when doing so.

 The fastening screws of the fan housing are now acces-

sible through the opening of the fan motor. Screw out the screws, remove the fan housing and remount it in the desired position.

 Remount the fan motor.

Transition boxes

The transition boxes behind the supply air grilles are used as a compensation volume for the air flow and therefore reduce the noise level of the air flowing through the grille. Therefore, the depth of the transition box has a major effect on the distribution of the air flow.

 Install the return air grille.

 Install the transition box and the supply air grille.

 Install the insulated air ducts from the air-conditioning

unit to the transition box.

 Fix the air ducts in place so that they do not move even at

higher fan speeds.

Page 22

6 Electrical Connections BlueCool S Series

214

239

254

6 Electrical Connections

6.1 General information

CAUTION Connection of electrical system carries 230 V!

Danger of injuries or fatal accidents and damage to the air-conditioning system or other electrical devices.

 Work on electrical systems which carry 230 V

may only be carried out by persons certified accordingly for this purpose.

 Before working on the electrical system, the

system must be disconnected from the power supply.

The entire air-conditioning system must be protected by external circuit breaker in the supply line.

With the BlueCool S27, not only the power supply of the PCB, but also a separate power supply for the compressor must be provided, which must also be protected externally. See Fig. 17.

The minimum cable cross-section must be taken into account.

6.2 Installing electrical box

 Install the electrical box.

Make sure that the fastening screws are accessible for opening and removal.

Any desired installation position may be chosen for the electrical box if no requirements are placed on the IP protection class. However, for Protection Class IP22 and higher, the connections for the digital display and cabin temperature sensor and the USB connection must be directed downward.

Make sure that the maximum permissible ambient temperature (see table in Chapter 4.7) is not exceeded.

Fig. 11 Electrical box dimensions

6.3 Connecting unit

Many electrical connections are already preassembled on the models S8 and S20. Only the sea water pump and a power supply must be connected. Please observe the wiring diagrams in Chap. 7 when doing so.

A separate mains supply for the compressor with a 20 A circuit breaker is required for model S27. The use of a relay is required for this purpose. No external relay is required when using the Soft Start with an integrated relay.

S8 to S20 without Soft Start

 Connect the sea water pump.

Guide the connection cable through the PG cable gland

and connect in the cable terminal (Fig. 14, No. 10). When operating several BlueCool S Series units with one sea water pump, observe Fig. 18, “BlueCool S (several units, 1 pump)”.

Page 23

BlueCool S Series 6 Electrical Connections

 Establish the mains connection.

Guide the mains cable through the PG cable gland. Slide the ferrite over the mains cable in the electrical box and secure it with cable ties. Plug the mains cable with the phase and neutral conductor into the cable terminal (Fig. 14, No. 2) on the PCB. Connect the earthing cable on the earthing terminal to the electrical box housing.

S27 without Soft Start

 Connect the sea water pump.

Guide the connection cable through the PG cable gland and connect in the cable terminal (Fig. 14, No. 10). When operating several BlueCool S Series units with one sea water pump, observe Fig. 18, “BlueCool S (several units, 1 pump)”.

 Establish the mains connection.

 Connect the compressor.

Guide the mains cable for the compressor through the PG cable gland and connect the phase and neutral conductor to the external relay. The mains connection for the compressor must be established via a separate supply line (fusing with 20 A). Connect the earthing cable on the earthing terminal to the electrical box housing.

S27 with Soft Start

 Connect the sea water pump.

Guide the connection cable through the PG cable gland and connect in the cable terminal (Fig. 14, No. 10). When operating several BlueCool S Series units with a sea water pump, observe Fig. 18, “BlueCool S (several units, 1 pump)”.

 Establish the mains connection.

Guide the mains cable through the PG cable gland. Slide the ferrite over the mains cable in the electrical box and secure it with cable ties. Connect the mains cable with the phase in a 4x cable terminal and from there to the Soft Start (Comp. Com), compressor and cable terminal (Fig. 14, No. 2) on the PCB. Connect the neutral conductor to the Soft Start (Active) and from there connect the extra cable to the cable terminal (Fig. 14, No. 2) on the phase. Connect the earthing cable on the earthing terminal to the electrical box housing.

 The compressor is connected via the Soft Start as shown

in the wiring diagram, Fig. 17, “BlueCool S27, with Soft Start”. The control connection of the Soft Start is only carried out via the neutral connector of the cable terminal (Fig. 14, No. 11).

S8 to S20 with Soft Start

 Connect the sea water pump.

 Establish the mains connection.

 The compressor is connected via the Soft Start as shown

in the wiring diagram, Fig. 16, “BlueCool S8 to S20, with Soft Start”.

Page 24

6 Electrical Connections BlueCool S Series

Cool

Auto

Heat

123

6.4 Mounting digital display and cabin temperature sensor

NOTE

Direct sunlight and other heat sources can impair the operation of the system.

Installation location

The temperature measured by the cabin temperature sensor should realistically represent the actual room temperature. DO NOT mount the digital display or the cabin temperature sensor into the immediate vicinity of a supply air grille. Select an installation location which is free from external influences if possible. Among other things, the following external influences should be avoided:

• Exposure to direct sunlight

•Radiators

• Kitchen cooker

• Light sources

• Compressor radiation

•etc.

It is advisable to mount the cabin temperature sensor in the area of the return flow, e.g. on the back of the return air grille.

 Mount the cabin temperature sensor at the desired in-

stallation location.

 Connect the sensor cable to the electrical box from the

outside. See Fig. 14.

 Connect the connector of the cable for the digital display

on the back of the digital display. See Fig. 12. Connect the cable for the digital display from the outside to the electrical box. See Fig. 14.

NOTE

Only use the original Webasto BlueCool cable for the digital display. Standard network cables are not suitable.

 Fasten the digital display.

 Mount the bezel on the digital display.

Fig. 12 Installing digital display

6.5 Accessories

6.5.1 Infrared remote control

An infrared remote control is available as an option.

The infrared remote control is based on the standard protocols also used by television sets and other household appliances. Although the Webasto control elements are designed so that interference with most TV models is avoided, the user should note that interactions with television sets or other household appliances can occur in certain cases.

NOTE

It is generally advisable not to install the Webasto digital display near other devices with infrared receivers.

Page 25

BlueCool S Series 6 Electrical Connections

Fig. 13 Infrared remote control

To activate the remote control, Parameter 1 from the chapter 10.2.1, Table 4 must be activated in the system programming. The parameter shows the display "1.x" on the digital display. The parameter is to have the value 1 for the activated remote control.

6.5.2 PC diagnosis

PC diagnostic software is available for the BlueCool S Series. Please see the corresponding documentation for additional information on this subject.

Page 26

7 Wiring diagrams BlueCool S Series

1 = Fan motor 2=Power supply 3 = Low-pressure switch 4 = High-pressure switch 5 = Cabin temperature sensor 6 = Digital display

7 = PC diagnosis via USB 8 = Evaporator temperature sensor 9 = 4-way reverse valve 10 = Sea water pump 11 = Compressor (for models S8 to S20)

7 Wiring diagrams

Fig. 14 Electrical wiring

Page 27

BlueCool S Series 7 Wiring diagrams

OLP

crs

OLP

crs

F105 F104

F103

F102

F101

230 V AC switchboard

Sea water pump

4-way reverse valve

Ferrite

Run capacitor

Fan

Low-pressure switch

High-pressure switch

Evaporator

temperature

sensor

USB connection

Digital display

Cabin temperature

sensor

Cable colours

blue

brown

yellow

green

grey

red

black

purple

white

Fuses

F101

F102

F103

F104

F105

PCB

Fan

Compressor

Sea water pump

4-way reverse valve

0.5 A

3.15 A

10 A5A3.15 A

only S27

only S8 to

S20

Fig. 15 BlueCool S, without Soft Start

Page 28

7 Wiring diagrams BlueCool S Series

F105 F104

F103

F102

F101

Comp. common

Start Winding

Switched active

Run Winding

OLP

crs

230 V AC switchboard

Sea water pump

4-way reverse valve

Ferrite

Run capacitor

Fan

Low-pressure switch

High-pressure switch

Evaporator

temperature

sensor

USB connection

Digital display

Cabin temperature

sensor

Cable colours

blue

brown

yellow

green

grey

red

black

purple

white

Fuses

F101

F102

F103

F104

F105

PCB

Fan

Compressor

Sea water pump

4-way reverse valve

0.5 A

3.15 A

10 A5A3.15 A

Soft Start

Fig. 16 BlueCool S8 to S20, with Soft Start

Page 29

BlueCool S Series 7 Wiring diagrams

F105 F104

F103

F102

Mains

F101

Run Winding

Run Cap

Active

Start Winding

Comp. Com

OLP

crs

230 V AC switchboard

Sea water pump

4-way reverse valve

Ferrite

Fan

Low-pressure switch

High-pressure switch

Evaporator

temperature

sensor

USB connection

Digital display

Cabin tempera-

ture sensor

Cable colours

blue

brown

yellow

green

grey

red

black

purple

white

Fuses

F101

F102

F103

F104

F105

PCB

Fan

Compressor

Sea water pump

4-way reverse valve

0.5 A

3.15 A

10 A5A3.15 A

Soft Start with relay

Fig. 17 BlueCool S27, with Soft Start

Page 30

7 Wiring diagrams BlueCool S Series

Shared sea water pump

Pump connection System 1

Power supply for sea water pump

Pump connection System 2

Pump connection System 3

Pump connection System 4

Fig. 18 BlueCool S (several units, 1 pump)

Page 31

BlueCool S Series 7 Wiring diagrams

Sea water pump

Pump connection

Cable colours

blue

brown

FUSE/VOLTAGE SETTING:

Fig. 19 Connection of power supply unit for WB200 sea water pump

Page 32

8 Operation BlueCool S Series

345

1=Display 2 = Plus button for changing setpoint temperature

3 = Minus button for changing setpoint temperature

4 = Fan setting button for controlling fan speed 5 = Function button for setting/programming 6 = “On/Off” button 7 = LED display for heating mode 8 = LED display for automatically switching between

operating modes

9 = LED display for cooling mode

8 Operation

8.1 Description

Fig. 20 Digital display

8.4 Switching on system

After connecting the power supply, first all LEDs and all segments of the numeric display flash for a few seconds, then "INIT" briefly appears on the digital display. The display “50H” or “60H” follows, depending on which voltage the system is operated on, for example 115 V/60 Hz or 230 V/50 Hz. A special case is 230 V/60 Hz.

If the system was switched on before cutting off the power supply, the current room temperature appears on the digital display and the system starts up automatically in the set operating mode. Otherwise the digital display goes dark and the display is in the stand-by mode.

 Switch on the system by pressing the "On/Off" button

(6).

Now the electronic controller assume the step-by-step startup of the air-conditioning system and the standard operation.

The digital display shows the current room temperature of the cabin in which the digital display is mounted or where the cabin temperature sensor is located (if it is in another room). After approx. 20 seconds, the digital display provides information on which operating mode (cooling or heating) the system is started in. The selection is dependent on the setpoint temperature and the room temperature measured by the cabin temperature sensor.

The BlueCool S air-conditioning systems are operated with the digital display. This enables access to all functions for standard operation of the air-conditioning system and the connected accessories (sea water pumps, remote control, etc.).

8.2 Operating levels for operator

The operating level for the operator is accessible without an access code. It shows important information and offers adjustment options which require no special prior knowledge.

8.3 Setting levels for installer

The setting levels for the installer may only be operated with specialist knowledge and are therefore protected with an access code. The installer can adjust the system operating parameters here.

After another approx. 50 seconds, the compressor is switched on and the standard mode begins.

The sea water pump always runs as soon as the system is switched on and the compressor starts up. If only the system is switched on and no change is made on the digital display, the compressor and the sea water pump start up with a delay of 20 sec.

8.5 Switching off system

The system can be switched off by pressing the "On/Off" button (6). The condition for this is that the user is in the start menu with the display of the room temperature. On the programming level, the "On/Off" button (6) is used to confirm the setting and not to switch off the system.

Page 33

BlueCool S Series 8 Operation

8.6 Switching on cooling mode/heating mode

NOTE

The system only cools under the following conditions:

• Room temperature > 15 °C.

• Sea water temperature < 35 °C.

• Setpoint temperature < room temperature.

NOTE

The system only heats under the following conditions:

• Room temperature < 29 °C.

• Sea water temperature > 6 °C.

• Set temperature > room temperature.

 For information on switching on the system, see Chapter

8.4.

Switching over to cooling (heating) means selecting an operating mode which contains cooling (heating).

• F01 = cooling only.

• F02 = only heating (reverse heating operation).

• F03 = automatic toggeling between cooling and heating (via reverse heating operation).

• F07 = dehumidification (when ship is unmanned).

 Confirm the entry by pressing the "On/Off" button (6)

or wait at least 5 seconds so that the entered value is automatically adopted.

8.8 Set the fan speed

 For information on switching on the system, see Chapter

8.4.

 Press the fan setting button (4).

The current fan speed is displayed.

 Press the Plus button (2) or Minus button (3) to

change the fan speed.

If the Plus button (2) is pressed again when the highest speed (5) has already been selected, the automatic fan mode is switched on and “bA” appears on the digital display. Pressing the Minus button (3) exits the automatic fan mode and returns to the manual mode.

 Confirm the entry by pressing the “On/Off” button (6)

or wait at least 5 seconds so that the entered value is automatically adopted.

F01 and F03 are possible for cooling (F02 and F03 for heating).

 Press the function button (5) 3 times until "F x" ap-

pears in the display (1).

 Cooling mode: Press the Plus button (2) or Minus but-

ton (3) repeatedly to change the value “Fx” (opera- ting mode) to “F01” or “F03”. Heating mode:

Change the value “Fx” (operating mode) to “F02” or “F03”. Note: only if no code is activated. Otherwise the code must be initially entered now!

 Confirm the entry by pressing the "On/Off" button

(6).

8.7 Setting setpoint temperature

Set the setpoint temperature in accordance with your own preferences.

 Press the Plus button (2) or Minus button (3).

The setpoint temperature is displayed.

 Press the Plus button (2) or Minus button (3) to

change the setpoint temperature.

Page 34

9 Commissioning BlueCool S Series

345

1=Display 2 = Plus button for changing setpoint temperature

3 = Minus button for changing setpoint temperature

4 = Fan setting button for controlling fan speed 5 = Function button for setting/programming 6 = “On/Off" button

7 = LED display for heating mode 8 = LED display for automatically switching between

operating modes

9 = LED display for cooling mode

9 Commissioning

9.1 Checking connections

 Check all connections:

– Check the electrical connections for firm seating. – Check the lines of the sea water circuit for firm seating

and leaks.

– Check the air ducts for firm seating and leaks.

Make sure the return air grille and supply air grille are not blocked.

9.4 Test run

9.2 Checking operation of condensedwater drain

 Pour water into the condensate tray and check it for pro-

per drainage. Ensure clear passage and that all connections are leaktight.

9.3 Filling sea water pump head

 Self-priming sea water pumps: fill pump head with water.

 Connect the power supply as shown in the wiring

diagram. Switch on the generator if necessary.

 Switch on the air-conditioning system in the cooling mo-

de.

 Check the sea-water flow rate.

Fig. 21 Digital display

Determine the flow rate of the exiting sea water with a catch container and a stop watch. The actual flow rate must be above the required minimum flow rate (see Chapter 4.7, “Technical Data”) to ensure fault-free operation at high sea water temperatures.

If the minimum value is not reached, then all pressure losses in the system must be reduced (e.g. use larger crosssections, fewer elbows, shorter lines) or use a stronger pump.

Page 35

BlueCool S Series 10 Overview of Programming Functions

10 Overview of Programming Functions

Table 2 Operating structure

Operating level Setting level 2 Setting level 3

On On On

Display

1-5, A

setpoint

temperature

15-29 °C

b Fan speed

Evaporator

temperature

Access code simultaneously and simultaneously and

Setting level 1 Access code Access code

Setpoint temperature 15 °C,

59 °F

Off Off

Setpoint temperature 29 °C,

85 °F

hd(x)

cd(x)

Temp

Operating

mode

Operating volt-

age

No. of dehu-

midification

cycles

Heating time in

dehumidifica-

tion cycle

Cooling time in

dehumidifica-

tion cycle

Room temper-

ature

0(x)

1(x)

2(x)

3(x)

b5 Fan speed 5 3(x)

b4 Fan speed 4 4(x)

b3 Fan speed 3 5(x)

b2 Fan speed 2 6(x)

Undervoltage

switch-off

Activation or deac-

tivation of IR

remote control

Fan type (AC, EC,

electronic silencer)

Thermostat-con-

trolled fan or per-

manently switched-

on fan

u(x) Temperature unit

0(x)

1(x)

2(x)

Switch-off temperature for compres-

sor cooling

minimum

Switch-off temperature for compres-

sor cooling

Switch-on temper-

ature compressor

cooling

Switch-off temper-

ature compressor

heating

Switch-on temper-

ature compressor

heating

Switch-on/switch-

off hysteresis com-

pressor

Correction value of

displayed room

temperature

Maximum time during which the evap-

oration

b1 Fan speed 1 7(x)

c(x) Access code 8(x) Firmware version

Display of room temperature Display of room temperature

temperature may

be below Parame-

ter 1, “Switch-off

temperature, com-

pressor cooling”

Page 36

10 Overview of Programming Functions BlueCool S Series

10.1 Entering setting levels

10.1.1 Entering Setting level 1

If the air-conditioning system is switched on, Setting level 1 can be reached by repeatedly pressing the function button

First the fan speed “bx” appears, then the evaporator temperature “Exxx”.

If the access code is activated, the display “CodE” appears on the digital display. Those who do not want to begin on Setting level 1 can return to the setting of the fan speed by pressing the function button .

The access code must be entered to begin on Setting level

1. To do this, select the access code by pressing the Plus button or Minus button (factory setting to 64) and confirming with the function key . Then the selection menu for an operating mode “Fx” as the first setting parameter is accessed.

If the access code is deactivated (set to 00), the code entry is skipped and Setting level 1 is accessed directly after the evaporator temperature is displayed.

Pressing the function button again runs through the further steps of Setting level 1. For additional information, see Chapter 10.2.1, Table 3.

Pressing the function button advances one step in the programming process. For additional information, see Chapter 10.2.1, Table 4.

Setting level 2 can be exited at any time with the “On/Off" button . “memo” briefly appears on the digital display to show that the changes have been saved.

10.1.3 Entering Setting level 3

 Switch on the system.

 Set the setpoint temperature 29 °C (or 85 °F).

 Switch off the system by pressing the “On/Off” button

 Press the Plus button and Minus button simul-

taneously for several seconds. If the access code is deactivated, the parameter for the temperature unit appears in the display: “u.x”. If the access code is activated, then the access code must be entered first. Then the parameter for the temperature unit appears: “u.x”.

 The setting values can be changed with the Plus button

or Minus button

Setting level 1 can be exited at any time with the “On/Off” button . “memo” briefly appears on the digital display to show that the changes have been saved.

10.1.2 Entering Setting level 2

 Switch on the system.

 Set the setpoint temperature 15 °C (or 59 °F).

 Switch off the system by pressing the “On/Off” button

 Press the Plus button and Minus button simul-

taneously for several seconds. If the access code is deactivated, the parameter for undervoltage switch-off appears in the display: “0.x”. If the access code is activated, then the access code must be entered first. Then the parameter for undervoltage detection appears: “0.x”.

 The setting values can be changed with the Plus button

or Minus button .

Pressing the function button advances the programming process by one step. For additional information, see Chapter 10.2.1, Table 5.

Setting level 3 can be exited at any time with the “On/Off” button . “memo” briefly appears on the digital display to show that the changes have been saved.

Page 37

BlueCool S Series 10 Overview of Programming Functions

10.2 Description of programming codes

10.2.1 Operating level and Setting levels 1, 2 and 3

NOTE

The parameters from Parameter No. 2 can only be displayed or set after the access code has been entered.

Table 3 Parameter list of programming functions for operating level and setting level 1

Display Parameter Value Range Assignment Factory Set-

b Fan speed 1 to 5, A 1 = Speed 1

... 5 = Speed 5 A = Automatic

E Evaporator temperature - Display of evaporator

Operating level

F Operating mode 01, 02, 03, 07 01 = cooling only

U Operating voltage - Display of operating voltage

Fd. Number of dehumidifica-

tion cycles in 24 hours,

Setting level 1

hd. Heating time in dehu-

Operating mode F07

midification cycle

00 to 03 01 = 1 cycle

01 to 99 01 = 1 min.

temperature in °C or °F

02 = heating only 03 = automatic switching

between cooling and heating

07 = Dehumidification

in V

02 = 2 cycles 03 = 3 cycles

... 99 = 99 min.

See Page

ting

A36

-36

03 36

-36

01 36

cd. Cooling time in dehu-

midification cycle

01 to 99 01 = 1 min.

... 99 = 99 min.

01 36

Page 38

10 Overview of Programming Functions BlueCool S Series

Table 4 Parameter list of programming functions for Setting level 2

Display Parameter Value Range Assignment Factory Set-

ting

0. Undervoltage switch-off 180 to 210 - 195 37

1. Activation or deactivation of IR remote control

2. Fan type (AC, EC, electronic silencer)

3. Thermostat-controlled fan or permanently switched-on fan

b5. Fan speed “5” 25 to 100 0 = 0%

b4. Fan speed “4” 25 to 100 0 = 0%

Setting level 2

b3. Fan speed “3” 25 to 100 0 = 0%

b2. Fan speed “2” 25 to 100 0 = 0%

00 to 01 00 = deactivated

01 = activated

00 to 02 00 = AC

01 = EC 02 = electronic silencer

00 to 01 00 = thermostat-controlled

01 = permanent

100 = 100%

00 37

100 37

60 37

50 37

40 37

See Page

b1. Fan speed “1” 25 to 100 25 = 0%

100 = 100%

c. Access code for setting

levels

00 to 99 - 64 38

30 37

Page 39

BlueCool S Series 10 Overview of Programming Functions

Table 5 Parameter list of programming functions for Setting level 3

Display Parameter Value Range Assignment Factory Set-

u. Temperature unit 00 to 01 00 = °C

01 = °F

0. Switch-off temperature, compressor cooling (minimum)

1. Switch-off temperature, compressor cooling

2. Switch-on temperature, compressor cooling

3. Switch-off temperature, compressor heating

4. Switch-on temperature, compressor heating

5. Switch-on/switch-off

Setting level 3

6. Correction value of dis-

hysteresis compressor

played room temperature

-4 to 15 °C 24 to 59 °F

2 to 18 °C

35 to 65 °F

30 to 55 °C

86 to 131 °F

27 to 50 °C

81 to 122 °F

0.1 to 0.8 °C

0.2 to 1.4 °F

-5.5 to 5.5 °C

-9.9 to 9.9 °F

x=x°C/°F -2°C

28 °F

x=x°C/°F 0°C

32 °F

x=x°C/°F 4°C

39 °F

x=x°C/°F 52°C

126 °F

x=x°C/°F 48°C

118 °F

x=x*0.1°C/°F 0.8°C

1.4 °F

x=x*0.1°C/°F 0°C

See Page

ting

00 39

0°F

7. Maximum time during which the evaporator temperature may be below the “Switch-off temperature, compressor cooling"

8. Firmware version - Display of control unit type - 40

000 to 999 sec x = x s 300 40

Page 40

10 Overview of Programming Functions BlueCool S Series

10.3 Explanation of parameters

10.3.1 Operating level

Parameter b: Fan speed

Setting range: 1, 2, 3, 4, 5, A Factory setting: A

This parameter is used to manually set the fan speed in operation or to activate the automatic fan setting.

1 = Fan speed “1” 2 = Fan speed “2” 3 = Fan speed “3” 4 = Fan speed “4” 5 = Fan speed “5” A = Automatic

Parameter E: Evaporator temperature

Display value of current evaporator temperature in °C or °F.

Display value only

10.3.2 Setting level 1

Parameter hd: Heating time in dehumidification cycle in operating mode F07

Setting range: 01 to 99 Factory setting: 01

This parameter is used to set the heating time in minutes in a dehumidification cycle when the dehumidification mode (F07) in Parameter F is activated.

For example 10 = 10 minutes

Parameter cd: Cooling time in dehumidification cycle in operating mode F07

Setting range: 01 to 99 Factory setting: 01

This parameter is used to set the cooling time in minutes during a dehumidification cycle when the dehumidification mode (F07) in Parameter F is activated.

For example 10 = 10 minutes

Parameter F: Operating mode

Setting range: 01, 02, 03, 07 Factory setting: 03

The operating mode specifies whether the system only cools, or heats or automatically switches between the two operating modes. In addition, the dehumidification mode of the system can be activated.

01 = cooling only 02 = heating only (reverse heating operation) 03 = automatic switching between cooling and heating

(reverse heating operation)

07 = dehumidification (dehumidification of cabin air by

cooling or heating)

Parameter U: Operating voltage

Display value of current operating voltage in V.

Parameter Fd: Number of dehumidification cycles in 24 hours in operating mode F07

Setting range: 01 to 03 Factory setting: 01

This parameter is used to set the number of dehumidifying cycles when the dehumidification mode (F07) in Parameter F is activated. The duration of the individual cycles is defined with the parameter hd or cd.

00 = dehumidification mode deactivated 01 = 1 cycle every 24 hours 02 = 1 cycle every 12 hours 03 = 1 cycle every 8 hours

Page 41

BlueCool S Series 10 Overview of Programming Functions

10.3.3 Setting level 2

Parameter 0: Undervoltage switch-off

Setting range: 180 to 210 Factory setting: 195

The undervoltage switch-off is defined for a supply voltage of 230 V. Dropping below the undervoltage threshold for more than 5 seconds switches off the system. The error message AAA is displayed.

ATTENTION

Reducing the value below the factory setting of 195 V can result in damage to the compressor.

Parameter 1: Activation or deactivation of IR remote control

Setting range: 00, 01 Factory setting: 00

To use the optionally available remote control, this value must be set to 01.

Although the Webasto digital displays are designed so that interference with most TV models or household appliances by the remote control is avoided, the user should note that interactions can occur in certain cases.

In this case, the value should be set to 00.

Parameter b5: Fan speed “5”

Setting range: 25 to 100 Factory setting: 100

The speed at fan speed “5” can be set with this parameter. If this value is adjusted, a permanent humming noise can result when using an AC fan. If electronic silencers are used, the speed on the AC fan cannot be changed.

Parameter b4: Fan speed “4”

Setting range: 25 to 100 Factory setting: 60

The speed at fan speed “4” can be set with this parameter. If this value is adjusted, a permanent humming noise can result when using an AC fan. If electronic silencers are used, the speed on the AC fan cannot be changed.

Parameter b3: Fan speed “3”

Setting range: 25 to 100 Factory setting: 50

The speed at fan speed “3” can be set with this parameter. If this value is adjusted, a permanent humming noise can result when using an AC fan. If electronic silencers are used, the speed on the AC fan cannot be changed.

Parameter 2: Fan type

Setting range: 00 to 02 Factory setting: 00

Both AC fan motors (alternating current) and low-noise EC fan motors can be used. If electronic silencers are used, these can also be activated with this parameter.

00 = standard AC fan motor 01 = electronically commutated (EC) fan motor 02 = when optional electronic silencers are used

ATTENTION

If this parameter is changed without the corresponding fan type being connected, malfunctions can occur.

Parameter 3: Thermostat-controlled fan or permanently switched-on fan

Setting range: 00, 01 Factory setting: 00

This parameter defines the behaviour of the fan when the set setpoint temperature is reached in the cabin.

Parameter b2: Fan speed “2”

Setting range: 25 to 100 Factory setting: 40

The speed at fan speed “2” can be set with this parameter. If this value is adjusted, a permanent humming noise can result when using an AC fan. If electronic silencers are used, the speed on the AC fan cannot be changed.

Parameter b1: Fan speed “1”

Setting range: 25 to 100 Factory setting: 30

The speed at fan speed “1” can be set with this parameter. If this value is adjusted, a permanent humming noise can result when using an AC fan. If electronic silencers are used, the speed on the AC fan cannot be changed.

ATTENTION

Decreasing the speed in the fan speeds can result in the fan no longer being able to start up from a stop.

00 = Fan switches off thermostat-controlled when

setpoint temperature is reached.

01 = Fan remains switched on when setpoint temperature

is reached. Only cooling circuit is switched off.

Page 42

10 Overview of Programming Functions BlueCool S Series

Parameter c: Access code for setting levels

Setting range: 00 to 99 Factory setting: 64

The access code for the setting levels is stored in this parameter to prevent accidental changing of the programmed values. The access code can be selected as desired in a value range from 00 to 99. If the value 00 is set, this function is deactivated. The access code is not requested.

Page 43

BlueCool S Series 10 Overview of Programming Functions

10.3.4 Setting level 3

Parameter u: Temperature unit

Setting range: 00, 01 Factory setting: 00

Changing over the temperature display from °C to °F for all temperature values

00 = °C 01 = °F

Parameter 0: Switch-off temperature, compressor cooling (minimum)

Setting range: -4 to 15 °C

24 to 59 °F

Factory setting: -2 °C

28 °F

This parameter is used to set the minimum evaporator temperature. If this temperature value is dropped below during normal operation, then the compressor is switched off immediately.

ATTENTION

Changing this value can result in impairment of operation and damage to the air-conditioning system.

Parameter 1: Switch-off temperature, compressor cooling

Setting range: -4 to 15 °C

24 to 59 °F

Factory setting: 0 °C

32 °F

This parameter is use to set the lower evaporator temperature. If this temperature value is dropped below during normal operation for the time set in Parameter 7, then the compressor is switched off.

ATTENTION

Changing this value can result in impairment of operation and damage to the air-conditioning system.

Parameter 2: Switch-on temperature, compressor cooling

Setting range: 2 to 18 °C

35 to 65 °F

Factory setting: 4 °C

39 °F

This parameter is used to set the evaporator temperature at which the compressor is to be switched on again. If this temperature value is exceeded during normal operation, and if the room temperature also has a corresponding value, then the compressor is switched on.

ATTENTION

Changing this value can result in impairment of operation and damage to the air-conditioning system.

Parameter 3: Switch-off temperature, compressor heating

Setting range: 30 to 55 °C

86 to 131 °F

Factory setting: 52 °C

126 °F

This parameter is used to set the maximum condenser temperature at which the compressor is switched off.

ATTENTION

Changing this value can result in impairment of operation and damage to the air-conditioning system.

Parameter 4: Switch-on temperature, compressor heating

Setting range: 27 to 50 °C

81 to 122 °F

Factory setting: 48 °C

118 °F

This parameter is used to set the condenser temperature at which the compressor is to be switched on again. If this temperature value is dropped below during normal operation, and if the room temperature also has a corresponding value, then the compressor is switched on.

ATTENTION

Changing this value can result in impairment of operation and damage to the air-conditioning system.

Page 44

10 Overview of Programming Functions BlueCool S Series

Parameter 5: Switch-on/switch-off hysteresis compressor

Setting range: 0.1 to 0.8 °C

0.2 to 1.4 °F

Factory setting: 0.8 °C

1.4 °F

This parameter is used to set the switch-on hysteresis of the setpoint temperature at which the compressor is switched on.

In the heating mode, the switch-on temperature is calculated = setpoint temperature minus switch-on/switchoff hysteresis.

In the cooling mode, the switch-on temperature is calculated = setpoint temperature plus switch-on/switch-off hysteresis.

If the switch-on temperature in the cabin is reached in normal operation, and if the condenser or evaporator temperature also reaches a corresponding value, then the compressor is switched on.

ATTENTION

Changing this value can result in impairment of operation and damage to the air-conditioning system.

Parameter 8: Firmware version

Display value of current firmware version.

Resetting setting values to factory setting

This parameter resets to factory settings. In the process, the following procedure must be complied with:

1) Select the display of the firmware version (8.xxx)

2) Continually press function button (5)

3) The firmware display flashes

4) “INIT” appears on the digital display

5) The function button (5) can now be released.

Parameter 6: Correction value of displayed room temperature

Setting range: -5.5 to 5.5 °C

-9.9 to 9.9 °F

Factory setting: 0 °C

0°F

This parameter is used to calibrate the room temperature display. The component tolerances of the sensor and the evaluation electronics can be compensated.

ATTENTION

An incorrectly positioned cabin temperature sensor cannot be adjusted in this way, even by using this parameter.

Parameter 7: Maximum time during which the evaporator temperature may be below Parameter 1, “Switch-off temperature, compressor cooling"

Setting range: 000 to 999 Factory setting: 300

This parameter is used to set the time in which the compressor still remains switched on, although the evaporator has already reached the "Switch-off temperature, compressor cooling".

Page 45

BlueCool S Series 11 Inspection and Maintenance

3 4

11 Inspection and Maintenance

ATTENTION The fins of the evaporator can be damaged!

The finned pipes of the evaporator can easily be bent. If damage to the fins occurs during installation, make sure that they are correctly aligned again to ensure the evaporator is properly supplied with air.

It is recommended that a number of routine checks be carried out at regular intervals and when switching on the air-conditioning system so that the system continues to function properly and maintains its performance level for many years.

At least once a month,

the function of the air-conditioning system must be checked. To do this, the system must be switched on and must run for at least 10 minutes.

11.1 Air filter

At least once a month, the air filter on the evaporator of the air-conditioning system must be checked and cleaned if necessary.

At least once a year

, the sea water circuit including the condenser of the air-conditioning unit must be cleaned. The time interval is dependent on the degree of soiling of the sea water. Soiling of the sea water circuit reduces the sea water flow rate, which decreases the heat dissipation and can result in high-pressure switch-offs. If the condenser is soiled, the cooling or heating capacity of the system decreases. The sea water circuit is only to be cleaned by an expert (installer or Webasto Service Centre).

11.3 Electrical wiring

At least once a year, the electrical connections must be checked for corrosion of the contacts and firm seating. The mechanical strain reliefs of the lines must also be checked.

 Pull the air filter upward out of the guide rails.

 Clean the air filter with a vacuum cleaner and use water

to flush it if necessary.

 Slide the air filter in to the air-conditioning unit again.

11.2 Sea water circuit

The operation of the sea water circuit must always be checked, especially after a longer absence.

 Check immediately after each switch-on of the air-condi-

tioning system whether sea water flows out of the sea water outlet. The minimum flow rates should be complied with. Immediately switch off the air-conditioning system if no sea water flows out after the compressor starts up.

 At least once a week, check the sea water strainer for

cleanliness. Clean if necessary.

Fig. 22 Graphic for checking wiring

1 = Compressor earthing cable 2 = High-pressure switch 3 = Low-pressure switch 4 = Coil of 4-way reverse valve 5 = Earthing cable of condensate tray

 At least once a month, check the entire sea water circuit

from the through-hull fitting to the sea water outlet for leaks.

 At least once a month, check condensed-water drainage

from the condensate tray and condensed-water drain line for clear passage and leakage.

Page 46

11 Inspection and Maintenance BlueCool S Series

11.4 Checklist for inspection and maintenance

Table 6 Checklist for inspection and maintenance

Date

1 Check the air filter on the evaporator and clean if necessary.

See Chapter 11.1 and Fig. 4, No. 8.

2 Check the flow rate of the sea water circuit at the sea water

outlet. See Chapter 11.2 and Fig. 8, No. 6.

3 Check and clean the sea water strainer. Observe the

specifications of the filter manufacturer for this purpose. See Chapter 11.2 and Fig. 8, No. 2.

4 Check the entire sea water circuit for leaks.

See Chapter 11.2 and Fig. 8.

5 Check the condensed-water drainage from the condensate

tray and condensed-water drain line for clear passage and leaks. See Chapter 11.2.

6 Clean the sea water circuit.

See Chapter 11.2.

7 Check the electrical connections for corrosion to the

contacts and firm seating. See Chapter 11.3 and Fig. 22.

8 Check the shaft seal of the pump and replace it if necessary

(does not apply to magnetically coupled pumps).

Page 47

BlueCool S Series 12 Decommissioning

12 Decommissioning

If the air-conditioning system is to be decommissioned, e.g. during the winter, the following procedure must be complied with:

 Switch off the system by pressing the “On/Off” button

 Disconnect the power supply.

 Close all sea water valves.

 Completely drain the sea water circuit, i.e. sea water lines,

sea water strainer, sea water pump and condenser, or fill it with antifreeze.

Page 48

13 Faults BlueCool S Series

13 Faults

13.1 Troubleshooting

CAUTION Troubleshooting only by professionals!

Troubleshooting requires comprehensive knowledge on the design and operation of the individual components of the air-conditioning system and may only be carried out by authorised professionals trained by Webasto for this purpose.

CAUTION Use only genuine spare parts!

Always use genuine Webasto spare parts to ensure fault-free operation of the airconditioning system.

If faults occur, the system must be switched off.

13.2 Faults displayed on digital display

Certain faults are displayed directly on the digital display as a code. At the same time, the air-conditioning system stops. Each time one of these fault codes appears, the system is stopped for approx. 60 seconds and then a restart is attempted. If the same fault occurs more often than 6 times consecutively within 30 minutes, the system is completely shut down and the fault code is displayed continuously. No further restarts are attempted and the user must reset the system by switching it off or by temporarily interrupting the power supply of the system.

Table 7 Fault codes

Code Designation

AAA: Undervoltage

Switch-off in case of undervoltage. Power supply below set undervoltage value for longer than 5 seconds. Cause is probably excessively long power cable, overloading or an insufficiently high power generator output. Measures: Check setting (default setting: 195 V). Do not set below 195 V to prevent damage to the compressor and subsequently voiding of the warranty. Ensure a better power supply. If necessary, retrofit Soft Starts which result in a lower startup current and therefore a lower voltage drop.

A01: Switch-off of compressor due to low pressure

• Pressure switch defective or power circuit interruption/

• Cooling mode:

• Heating mode:

short circuit. Measures: Check electrical wiring. Replace pressure switch on Schrader valve.

Air supply insufficient Measures: Check air supply. Difference between air inlet/air outlet temperature of evaporator at least 4 K.

Sea water flow rate insufficient or sea water too cold (Temperature below 6 °C). Sea water strainer blocked or no intake. Measures: Check flow rate of sea water circuit at sea water outlet. Difference between inlet-/outlet temperature of evaporator at least 4 K. At sea water temperature < 6 °C: no heating possible in reverse heating operation. Clean sea water strainer and bleed sea water circuit.

AAA Undervoltage

A01 Switching off compressor due to low pressure

A02 Switching off compressor due to high pressure

A09 Fault in cabin temperature sensor

A10 Fault in evaporator temperature sensor

INIT Initialisation procedure or system blocked

tA11 Status code dropping below/exceeding of mini-

mum or maximum evaporator temperature respectively

• Refrigerant shortage. Measures: Check for refrigerant leak.

A02: Switch-off of compressor due to high pressure

• Pressure switch defective or power circuit interruption/ short circuit. Measures: Check electrical wiring. Replace pressure switch on Schrader valve.

• Cooling mode: Sea water cooling insufficient. Sea water strainer soiled or no intake. Measures: Check flow rate of sea water circuit at sea water outlet. The minimum flow rates must be complied with. Clean sea water strainer and bleed sea water circuit.

Page 49

BlueCool S Series 13 Faults

• Heating mode: Air supply insufficient Measures: Check air supply. Difference between air inlet/air outlet temperature of evaporator at least 4 K.

A09: Fault in cabin temperature sensor

Cabin temperature sensor defective, interruption in power circuit/short circuit. Cabin temperature sensor not connected. Measures: Connect cabin temperature sensor or replace.

A10: Fault in temperature sensor of evaporator

Temperature sensor of evaporator defective or power circuit interruption/short circuit. Measures: Check electrical wiring or replace sensor.

INIT: Initialisation procedure or system blocked

Electrical wiring defective, interruption in power circuit/ short circuit. Measures: Check cables and connections of digital display controller. Replace defective cable, digital display or PCB.

tA11: Evaporator temperature setpoint exceeded

Status code tA11 is a reference to the fact that the evaporator temperature has become too low in the cooling mode or too high in the heating mode. The compressor is switched off and, as soon as the evaporator temperature has normalised, is switched on again.

• Check the air ducts/the fan. If the air flow is interrupted with the compressor running, the evaporator can completely freeze, causing the entire air flow to be blocked.

• If the sea water circuit runs too slowly in the heating mode, the sea water can freeze in the condenser and blocking and damaging the system.

• Check the voltage level. Do not operate the system continually with insufficient voltage.

• Check the setting of the fan speeds of the parameters b1 to b5. Correct if necessary.

• if the performance of the system is still unsatisfactory after checking all of the above points, you should check the refrigerant filling.

4. The compressor does run, however it switches off continually before the set setpoint temperature has been reached. The high-pressure and low-pressure switch switch off the compressor due to an excessively high or excessively low working pressure. Check the correct operation of the refrigerant circuit.

5. An incorrect room temperature is displayed. Cabin temperature sensor positioned incorrectly, fault sources are present or display values are falsified. Check whether the cabin temperature sensor is subject to direct fault sources, like direct sunlight or devices radiating heat. Calibrate sensor or replace defective sensor.

NOTE

This status code is a system information and not a fault which must be eliminated. When the temperature for switching on again is reached, the status display automatically disappears.

13.3 Faults not displayed on digital display

1. After switching on, the system does not react. Check the power supply, the supply line circuit breakers, fuses on the PCB, etc.

2. The compressor starts up, however no sea water exits from the sea water outlet.

• Check whether the shut-off valves are opened.

• Check whether the sea water strainer is clogged.

• Check whether the sea water pump is running. If the

pump does not run with the compressor switched on, check the power supply to the sea water pump.

3. The compressor and the sea water pump are running, but neither the heating mode nor the cooling mode function satisfactorily.

• Allow the fan to run in the automatic fan mode.

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13 Faults BlueCool S Series

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Webasto Thermo & Comfort SE Postfach 1410 82199 Gilching Germany

Visitors’address: Friedrichshafener Str. 9 82205 Gilching Germany

Internet: www.webasto.com

Technical Extranet: http://dealers.webasto.com

The telephone number of each country can be found in the Webasto service center leaflet or the website of the respective Webasto representative of your country.