Webasto Cool Top 190 RT-C User Manual

Cool Top 5
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).
X Press 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)
+
X Press both for 3 sec
Set
or
X Press until display shows “Tum”
X Press “Auto mode” to enter
“Tum”
or
X Press to switch between Celsius
and Fahrenheit
°C
Set
°F
Set
X Press “Auto mode” to save selection
or
X Press until display shows “out”
X Press “Auto mode” to leave the user menu
4.2 Adjust display back-light
+
X Press both for 3 sec
Set
or
X Press until display shows “Dim”
X Press to enter “Dim”
or
X Press to increase or decrease the display
back-light (0 - 10)
X Press “Auto mode” to save selection
or
X Press until display shows “out”
X Press “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
033 Empty refrigerant cir-
cuit
Check refrigerant charge. Check
refrigerant leakage. Refill.
118 Short circuit on one
of the digital outputs
Check digital output and relays.
120 Water valve feedback Check water valve and its con-
nections
125 Short circuit with
sensor
Check NTC 2 Supply air tempera-
ture sensor
127 Short circuit with
sensor
Check NTC 1 Internal tempera-
ture sensor
129 Short circuit with
sensor
Check NTC3 External tempera-
ture sensor
130 Short circuit with
sensor
Check NTC4 Internal auxiliary
temperature sensor
132 Short circuit with
transducer
Check low pressure transducer
connection
133 Short circuit with
transducer
Check high pressure transducer
connection
143 Broken connection
with sensor
Check NTC2 Supply air tempera-
ture sensor
145 Broken connection
with sensor
Check NTC1 Internal tempera-
ture sensor
147 Broken connection
with sensor
Check NTC3 External tempera-
ture sensor
148 Broken connection
with sensor
Check NTC4 Internal auxiliary
temperature sensor
150 Broken connection
with transducer
Check low pressure transducer
connection
151 Broken connection
with transducer
Check high pressure transducer
connection
162 Battery overvoltage Check battery. Power supply volt-
age above 16V (12V) or 32V
(24V).
163 Battery undervoltage Check battery. Power supply volt-
age below 9V (12V) or 18V
(24V).
164 Transducers supply
(5V) undervoltage
Check transducers supply line.
Power supply voltage below
4,95V.
167 Overcurrent fresh air
motor
Check motor and its connections.
Current over 1.5A
168 Overcurrent water
valve
Check water valve and its con-
nections. Current over 1.5A
Tbl. 01: Error codes

Webasto Cool Top 190 RT-C Specifications

General

Brand	Webasto
Model	Cool Top 190 RT-C
Category	Air Conditioner
Language	English