Webasto Cool Top 140 User manual

Operating Instructions
Air Conditioning
Cool Top 110 | 140 | 190 | 220 | 250 | 300 | 360 RT-C
English
Deutsch Bedienungsanweisung
Français Notice d’utilisation
Italiano Istruzioni per l’uso
Español Instrucciones de uso
°C
SP
A/C
M

Cool Top
2
Content
1 About this document 3
1.1 Purpose of the document 3
1.2 Using this document 3
1.3 Use of symbols and highlighting 3
1.4 Warranty and liability 3
2 Safety 3
2.1 General safety 3
2.2 Intended use 3
3 Operation 4
3.1 Control element 4
3.2 Buttons 4
3.3 Display symbols 4
3.4 Switch system ON 4
3.5 Switch system OFF 4
3.6 Temperature set during operation 4
3.7 Ventilation speed regulation 4
3.8 Recirculated or fresh air mode 5
4 User menu settings 5
4.1 Set temperature unit (°C / °F) 5
4.2 Adjust display back-light 5
5 Error codes 5
6 Technical data 5
7 Technical support and customer service 6
8 Disposal 6
9 Maintenance 6

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1 About this document
1.1 Purpose of the document
The operating instructions are part of the product and provides
the user with information on the safe operation of the unit.
1.2 Using this document
XRead these operating instructions before operating the unit.
XKeep these operating instructions ready to hand.
XHand these operating instructions on to the following owner or
user of the unit.
1.3 Use of symbols and highlighting
Explanation

Action to be taken

Requirements for the following necessary action
Note on a special technical feature
Separate information is available
Possibility on property damage
Possibility on a severe or mortal injury
1.4 Warranty and liability
Webasto shall not assume liability for defects or damage that are
the result that the installation and operating instructions as well as
the instructions contained therein being disregarded.
This liability exclusion particularly applies for:
■improper use
■repairs not carried out by a Webasto service workshop
■use of non-genuine parts
■conversion of the unit without permission from Webasto
■mechanical damage to the equipment
■failure to comply with inspection and maintenance instructions
2 Safety
2.1 General safety
Please note that the configuration of the insulation/cooling affects
the storage capacity of the vehicle. When making use of the maxi-
mum storage capacity and the seats, also comply with the permis-
sible axle load.
2.2 Intended use
The system is designed for cooling the passengers compartment
of commercial vehicles while driving.
ATTENTION
Misuse as a result of failure to comply with the
operating instructions
Result: damage to the A/C system
XFollow the operating instructions.
The performance values of your application are closely
related to ambient conditions, vehicle insulation, etc.
The actual temperature may therefore deviate from the
set value.
The A/C system only operates with the vehicle engine
running.
In the case of vehicles fitted with automatic start-stop
control, the function must be switched off while ope-
rating the A/C system. For information on the control
and function of the automatic start-stop control, please
read the operating instructions for your vehicle.

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3 Operation
3.1 Control element
°C
SP
A/C
M
Fig. 01: Display
3.2 Buttons
A/C Manual cooling ON or OFF
Start A/C in Auto mode
Recirculated air mode ON / OFF
Up
■Increase values
Down
■Decrease values
On/Off
■Switches the A/C system ON / OFF
3.3 Display symbols
Symbol Description
Cooling ON and compressor OFF
Cooling and compressor ON
A/C running in automatic mode
A
Ventilation runs in automatic speed control
M
Ventilation runs in manual speed control
Fresh air closed
Fresh air opened
°C / °F Celsius / Fahrenheit
SP Set-point
!
Warning
Tbl. 01: Display symbols
3.4 Switch system ON
3Screen in OFF mode
Press "On/Off" button
– The compressor and the fan will
start up.
3.5 Switch system OFF
During a short vehicle stoppage, e.g. during loading / unloading,
you do not need to switch the system off using the control ele-
ment. The system will start up automatically the next time you
start the engine.
3Screen in ON mode
Press "On/Off" button
°C
SP
A/C
A
3.6 Temperature set during operation
3System is switched ON
XPress button “Auto mode” to switch
between temperature setting and
Fan speed regulation. °C
SP
A
A/C
XPress button “Up” to increase the
temperature value
XPress button “Down” to decrease the
temperature value
°C
SP
A
A/C
The temperature value is stored in the control element.
The temperature range is limited between 18°C and 28°C
The display shows:
■“Lo” when temperature is set lower than 18°C
– The A/C system runs at maximum cooling capacity
■“Hi” when temperature is set higher than 28°C
– The A/C runs at maximum heating capacity (Only if heating kit
is installed)
3.7 Ventilation speed regulation
XPress button “Auto mode” to switch
between temperature setting and
ventilation speed regulation.* °C
SP
A
A/C
XPress button “Up” to increase the
ventilation speed
XPress button “Down” to decrease the
ventilation speed
°C
SP
A/C
M
* Ventilation in manual mode: The ventilation speed is fixed.
* Ventilation in auto mode: The ventilation speed depends on the
difference between temperature setting and the actual measured
temperature.

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3.8 Recirculated or fresh air mode
Function is only available on systems with fresh air kit
installed.
Fresh air mode is optional. Contact Webasto.
Air is drawn in from the outside (fresh air mode) or recirculated in-
side (recirculated air mode).
XPress button “Recirculated air mode”
to switch between fresh air and re-
circulated air.
– Fresh air mode selected
°C
SP
A/C
A
– Recirculated air mode selected °C
SP
A/C
A
4 User menu settings
The user can adjust the following settings
■Temperature unit (°C / °F)
■Display backlight
4.1 Set temperature unit (°C / °F)
+XPress both for 3 sec
Set
or XPress until display shows “Tum”
XPress “Auto mode” to enter
“Tum”
or XPress to switch between Celsius
and Fahrenheit
°C
Set
°F
Set
XPress “Auto mode” to save selection
or XPress until display shows “out”
XPress “Auto mode” to leave the user menu
4.2 Adjust display back-light
+XPress both for 3 sec
Set
or XPress until display shows “Dim”
XPress to enter “Dim”
or XPress to increase or decrease the display
back-light (0 - 10)
XPress “Auto mode” to save selection
or XPress until display shows “out”
XPress “Auto mode” to leave the user menu
5 Error codes
If an error occurs then a warning code is visible
in the screen.
The warning symbol flashes for 3 seconds during
30 seconds
!
A/C
A
Error
code
Description Troubleshooting
30 Warning for overpres-
sure
32 Warning for underpres-
sure
100 Short circuit on one of
the digital outputs
Contact Webasto
118 Over voltage Contact Webasto
120 Water valve error Check Water Valve Connec-
tion
125 Short circuit with sen-
sor.
Check treated external tem-
perature sensor connection
127 Short circuit with sen-
sor
Check internal temperature
sensor connection
129 Short circuit with sen-
sor
Check external temperature
sensor connection
130 Short circuit with sen-
sor
Check In-cabin-aux air tem-
perature sensor connection
132 Short circuit with sen-
sor
Check low pressure trans-
ducer connection
133 Short circuit with sen-
sor
Check high pressure trans-
ducer connection
143 Broken connection with
sensor
Check treated external tem-
perature sensor connection
145 Broken connection with
sensor
Check internal temperature
sensor connection
147 Broken connection with
sensor
Check external temperature
sensor connection
148 Broken connection with
sensor
Check In-cabin-aux air tem-
perature sensor connection
150 Broken connection with
sensor
Check low pressure trans-
ducer connection
151 Broken connection with
sensor
Check high pressure trans-
ducer connection
162 Battery overvoltage Check battery
163 Battery undervoltage Check battery
164 Control element broken Replace control element
6 Technical data
Description Value
Operating voltage range [V] 12-24
Max. output [mA] 500
Output short circuit protection Protected
Polarity reverse protection Protected
Operating temperature range [°C] -40 to +80
Temperature sensor NTC 10 kΩ @ 25°C
Protection IEC-60529 IP54

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7 Technical support and customer service
Do you have any technical questions or problem with the device?
National phone numbers of our representatives are provided on the following website: www.webasto.com.
8 Disposal
When you eventually decommission the system, please dispose of the individual components properly at a recycling centre
9 Maintenance
Component
Item Possible
reason
Period
5,000 km 35,000 km Annual or
100,000 km
Compressor
Compressor belt Wear Change
Belt tension (it is important that the belt is al-
lowed to cool before re- tensioning)
Loose tension Check/Repair Check/Repair
Idle pulley Noise/Blocked Change
Automatic belt tightener (if present) Noise/Blocked Change
Tightening bolts Loose fastening Check/Repair
Compressor Noise/Blocked Check/Repair
Compressor pulley Clutch engagement Check/Repair
Evaporator and Condenser
Drier filter Poor efficiency Change
Condenser fin Dirty/Leakage Check/Repair
Evaporator fin Dirty/Leakage Check/Repair
Condensation drain water Water inside vehicle Check/Repair
Centrifugal blower or axial fan Noise/Blocked Check/Repair
Others
Internal temperature Poor A/C efficiency Check/Repair
A/C system pressure test Poor A/C efficiency Check/Repair
Integrity of wiring connections No work or intermit-
tent operation
Check/Repair
Status of refrigerant pipes and fittings A/C systems empty
Poor A/C efficiency
Check/Repair
Refrigerant R134a charge A/C systems empty
Poor A/C efficiency
Refill
Oil compressor Oil removed during
charging of the refri-
gerant
Refill
Tightening control Blocked Check/Repair

www.webasto.com
Webasto Thermo & Comfort SE
Postfach 1410
82199 Gilching
Germany
Company Address:
Friedrichshafener Str. 9
82205 Gilching
Germany
Internet: www.webasto.com
Ident No. 6241445B • 09/17 •Errors and omissions excepted •© Webasto Thermo & Comfort SE 2017
In multilingual versions the English language is binding. You can request your language if it is missing.
The telephone number of the respective country can be obtained from the Webasto service point flyer or the homepage of your respective Webasto
country representative.
Bei mehrsprachiger Ausführung ist Englisch verbindlich. Sollten Sprachen fehlen können diese angefordert werden.
Die Telefonnummer des jeweiligen Landes entnehmen Sie bitte dem Webasto Servicestellen-Faltblatt oder der Webseite Ihrer jeweiligen Webasto
Landesvertretung.
Dans le cas d’une version rédigée en plusieurs langues, l’anglais est alors la langue qui fait foi. Si des langues devaient manquer, il est possible de les de-
mander.
Pour trouver le numéro de téléphone du pays concerné, veuillez consulter le dépliant des points-service Webasto ou la page web de la représentation
Webasto de votre pays.
In caso di versione multilingue, fare riferimento alla lingua inglese. Nel caso in cui mancassero alcune lingue, è possibile richiederle.
Il numero di telefono relativo al paese specifico è indicato sull’opuscolo del centro servizi Webasto ed è disponibile sul sito web della propria filiale We-
basto.
Este manual esta traducido en varios idiomas, le informamos que sólo la versión en inglés será vinculante. Se pueden solicitar otros idiomas, en caso de
que falte alguno.
Consulte el número de teléfono del país correspondiente en el folleto de los servicios autorizados Webasto, o en la página web de su representante We-
basto.