Webasto BlueCool V-Series User manual

Operating instructions

BlueCool V-Series

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

Note on a special technical feature

2 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 chiller unit during operation.

ATTENTION

Danger from escaping refrigerant!

If you perceive a hissing noise and mist, refrigerant may

escape and the air-conditioning 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.

FLAMMABLE

Ignition of surrounding gases or highly ﬂammable liquids

by sparking of the air-conditioning 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.

Follow the installation instructions when installing electrical

wiring, sea water piping, cold water lines as well as when

installing the electrical box.

Please read this information carefully before you start up the system!

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 visit our website at the following internet address:

• www.webasto.com or

• www.webasto.us

3 Operation

345

Digital chiller control element

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

The BlueCool V-Series air-conditioning system is operated with the control

element that enables access to all functions for normal operation of the air condi-

tioning system.

3.1 Directly connected air handlers

The central digital chiller control element not only controls the general operati-

on of the chiller unit but can also directly control the air handlers located in the

saloon and/or in the cabin (where the main cabin temperature sensor is located).

This direct air handler control function is not available in all installations.

NOTE!

When an air handler is connected directly to the BlueCool V-Series

chiller it acts as the reference and governs whether the system is to

heat or cool in automatic mode.

The secondary air handlers can only be operated in the same operating mode

(heating or cooling) as the chiller unit as the unit can either only heat or cool at

any one time.

NOTE!

By using electrical heating elements in the secondary air handlers

individual cabins can be heated while the overall system operates in

cooling mode.

3.2 Operation

All fans connected directly to the chiller electrical box are started when the ope-

rating mode LED lights up. The fan control facility checks whether the cold water

circuit is at the required temperature. Example: In cooling mode at a set tempe-

rature of 21°C, the fan speed in automatic operation remains at level 1 until the

temperature in the cold water circuit is lower than 21°C. This prevents the fan

starting up too early if the temperature in the cold water circuit is unsuitable.

The digital chiller control element can completely shut down fan operation, e.g.

at night, while the other air handlers on the boat continue to operate. The fan

control is completely independent of compressor operation.

3.3 Switching on central chiller unit and air handlers

After connecting the voltage supply, ﬁrst all LEDs and all segments of the numeric

display ﬂash for a few seconds, then "INIT" brieﬂy appears on the control ele-

ment. The display “50H” or “60H” follows, depending on which power supply

the air-conditioning system is operated on, for example 230 V/50 Hz or

230 V/60Hz.

If the system was switched on before cutting off the voltage supply, the current

cabin temperature in the reference cabin will appear on the control element and

the system will start up automatically in the set operating mode. Otherwise the

control panel will go dark and the air-conditioning system will assume standby

mode.

• Switch on the system by pressing the "On/Off" button (6).

Depending on the requested operating mode, either the LED indicator for heating

mode (7) or the LED indicator for cooling mode (9) lights up to show the active

mode. The LED indicator for automatically switching between operating modes

(8) shows whether switchover takes place automatically. Automatic switch-over

is dependent on the set temperature and the cabin temperature measured by the

cabin temperature sensor.

After a further 10seconds the 4/2-way reversing valve (that allows the air-condi-

tioning system to operate as a chiller unit (cooling) or as a heat pump (heating))

opens to equalise pressure in the refrigerant circuit. After another 10seconds the

sea water pump starts up followed by the compressor. This is followed by normal

operation.

3.4 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 cabin

temperature. On the programming level (temperature, fan), the "On/Off" but-

ton (6) is used to conﬁrm the setting and not to switch off the system.

3.5 Selecting cooling mode/heating mode

The system selects cooling or heating operating mode depending on the required

temperature. The prerequisite is that the system has been conﬁgured for automa-

tic switch-over between cooling and heating. For information on conﬁguring the

operating modes please contact your authorised Webasto Marine dealer.

3.6 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.

• Conﬁrm the entry by pressing the “On/Off” button (6) or wait at least 5se-

conds so that the entered value is automatically adopted.

3.7 Standby mode

The control element will assume standby mode if no button is pressed for

5minutes. The corresponding operating mode LED will then ﬂash discretely every

20seconds. Press any button to return to the normal display.

3.8 Activating Eco mode

With the Eco mode function it is possible to continuously operate the BlueCool

V-Series under modulating partial load, thus limiting the current consumption of

the system. This makes it possible to operate the system with a lower generator

output, parallel with other large electrical loads such as hot water boiler or with

weak on-shore power supply.

Press the function button to activate Eco mode. Press the plus or minus but-

ton repeatedly to select the maximum output level at which the system is to operate.

• Switching on system

• Press the function button (5) once

• Eco 0 is shown

• Press the button (2) to change the setting to Eco 1 or Eco 2

• Press the button (1) to return to the Eco 0 setting

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

Eco 0: 100% of rated output

Eco 1: 80% of rated output

Eco 2: 45% of rated output

Activated Eco mode is indicated by the display alternately showing Eco1 and Eco2

as well as the set temperature.

Eco mode is never exited automatically but requires operator intervention.

Check the Eco mode setting if you ﬁnd that the cooling output of the BlueCool

V-Series is unsatisfactory.

Refer to Section 4 "Malfunctions" for further information on reduced cooling

output.

3.9 Set the fan speed

• Switching on system.

• 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 has already

been selected, automatic fan mode is switched on and “b A” appears on the

control element. 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 se-

conds so that the entered value is automatically adopted.

3.10 Access code

Further setting options for the BlueCool air-conditioning system are reserved for

the technician and require an access code.

4 Malfunctions

4.1 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.

If malfunctions occur, the system must be switched off.

4.2 Malfunctions that are displayed

The following malfunctions are displayed directly on the digital control element

as a code (e.g. A02). Each time one of these fault codes appears, the system is

stopped for approx. 60 seconds and then a restart is attempted. If a malfunction

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 should have the fault rectiﬁed and then reset

the system by switching it off or by temporarily interrupting the voltage supply to

the system.

4.3 Fault and status codes

Fault

code

Description Possible cause Correction

Display

AAA Undervoltage Switch-off in case

of undervoltage.

Voltage supply be-

low set undervolt-

age value for longer

than 5seconds. The

cause is probably

excessively long

power cable for the

on-shore connec-

tion, overloading

or an insuciently

high power genera-

tor output.

Use a on-shore power

connection with a more

stable voltage supply. Use

a shorter power cable for

the on-shore connection.

Switch off other electrical

loads. Please contact

your authorised Webasto

Marine dealer.

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