Webasto Thermo Top E Manuale dell'operatore
Water Heater
Installation documentation
Ident. No.: 1313385D_EN Fee Euro 10.00 © Webasto AG
Renault Laguna / - Grandtour / - GT / - Coupe
(international)
Diesel
from model year 2008
Left-hand drive vehicle
Automatic air-conditioning
Feel the drive
WARNING!
Hazard warning:
Incorrect installation or repair of Webasto heating systems may cause a fire or result in the
emission of carbon monoxide, which can be fatal. Serious or fatal injuries can be caused as
a result.
Specialist company training, technical documentation, specialised tools and equipment are
required to install and repair Webasto heating and cooling systems.
Only original Webasto parts must be used. For this, also see the catalog of air and water heat-
er accessories from Webasto.
NEVER attempt to install or repair Webasto heating or cooling systems if you have not
successfully completed the company training and thereby acquired the required tech-
nical skills, or if you do not have access to the required technical documentation, tools
and equipment needed to carry out correct installation and repairs.
ALWAYS follow all Webasto installation and repair instructions and observe all warnings.
The initial startup is to be executed with the Webasto Thermo Test Diagnosis.
Webasto does not accept any liability for defects and damage that are attributable to installa-
tion by untrained staff.
Thermo Top E Parking Heater
e1
00 0003
Thermo Top C Parking Heater
e1
00 0002
Renault Laguna / - Grandtour / - GT / - Coupe
1313385D_EN 2
Table of Contents
Validity
Vehicle and engine types, equipment variants and national specifications not listed in this installation
documentationhavenot beentested. However,installationaccordingtothis installationdocumentation
may be possible.
The installation location of the digital timer should be confirmed with the end customer before installa-
tion.
Manufacturer Model Type EG-BE No./ABE
Renault Laguna T e2 * 2001 / 116 * 0363 * ...
Engine type Engine model Output in kW Displacement in cm³
M9R Diesel 110 1995
M9R Diesel 131 1995
M9R Diesel 127 1995
Validity 2
Heater/Installation Kit 3
Foreword 3
General Instructions 3
Special Tools 3
Explanatory Notes on Document 4
Preliminary Work 5
Heater installation location 5
Preparing electrical system 6
Electrical system 7
Fan controller 8
Remote option Telestart 12
Preparing heater 13
Preparing installation location 13
Installing heater 15
Coolant circuit up to Model 2010 16
Coolant circuit from Model 2011 20
Combustion air 23
Fuel 24
Exhaust gas 27
Final Work 29
Operating Instructions for End Customer 30
Renault Laguna / - Grandtour / - GT / - Coupe
1313385D_EN 3
Heater/Installation Kit
Heater recommended for the respective vehicle class:
The selection of the heater is based on the passenger compartment size of the vehicle and the level of
comfort required by the customer.
Foreword
This installation documentation applies to the Renault Laguna / - Grandtour / - GT / - Coupe Diesel
vehicles - for validity, see page 2 - from model year 2008 and later, assuming technical modifications
to the vehicle do not affect installation, any liability claims excluded. Depending on the vehicle version
and equipment, modifications may be necessary during installation with respect to this installation doc-
umentation.
However, the stipulations in this "installation documentation", "operating instructions" and the "installa-
tion instructions" for the Thermo Top C/E must always be observed.
The corresponding rules of technology and any information from the vehicle manufacturer should be
observed during the installation work.
General Instructions
Installation should be carried out according to the general, standard rules of technology. Unless spec-
ified otherwise, fasten hoses, lines and wiring harnesses to original vehicle lines and wiring harnesses
using cable ties.
Sharp edges should be fitted with rub protection (cut-open fuel hose).
Spray unfinished body areas, e.g. drilled holes, with anti-corrosion wax (Tectyl 100K, Order No. 111329).
When installing an IPCU, check or adjust the corresponding settings before installation.
Special Tools
- Torque wrench for 2.0 - 10 Nm
- Hose clamping pliers
- PC Diagnostics (Thermotest)
Quantity Description Order No.:
1 Retail accessories with desired heater control See price list
1 Installation kit for Renault Laguna / - Grandtour / - GT / - Cou-
pe Diesel international 1313384C
Vehicle Heater
Compact car Thermo Top E
Mid-size car, estate car Thermo Top C
Renault Laguna / - Grandtour / - GT / - Coupe
1313385D_EN 4
Special features are highlighted using the following symbols:
The arrow in the vehicle icon indicates the position on
the vehicle and the viewing angle.
Specific risk of injury or fatal accidents.
Specific risk of damage to components.
Specific risk of fire or explosion.
Referenceto generalinstallationinstructions ofWebas-
tocomponentsortothemanufacturer'svehicle-specific
documents.
Reference to a special technical feature.
All dimensions are in mm!
Tightening torque of hose clamps = 2.0 + 0.5 Nm!
Tightening torque of Ejot screws, Ejot studs = 10 Nm!
Mechanical system
Electrical system
Coolant circuit
Fuel
Exhaust gas
Combustion air
Explanatory Notes on Document
To provide you with a quick overview of the individual working steps, you will find an identification mark
on the outside top right corner of the page in question.
Renault Laguna / - Grandtour / - GT / - Coupe
1313385D_EN 5
Preliminary Work
WARNING!
- Open the fuel tank cap and vent the fuel tank.
- Close the fuel tank cap again.
- Disconnect the battery.
-Depressurisethe cooling system.
- Copy the factory number from the original type label to the duplicate type label.
- Remove years that do not apply from the duplicate label.
- Attach the duplicate label (type label) in the appropriate place.
- Remove the engine cover.
- Detach and remove the right and left-hand wheel well trim.
- Remove the left front wheel.
- Remove the bumper.
- Remove the washer reservoir.
- Remove the underride protection.
- Remove the glove compartment.
- Remove the A-pillar trim in the driver's side footwell.
- Remove the lower instrument panel trim on the driver's side.
- Detach the fuse and relay carrier in the passenger compartment.
Remove page 30 "Operating Instructions for End Customer" and add to the vehicle operating instruc-
tions.
Heater installation location
1Heater
Installa-
tion loca-
tion
11
Renault Laguna / - Grandtour / - GT / - Coupe
1313385D_EN 6
Preparing electrical system
Cutting
black (sw)
wire to
length
Preparing
wires
Note:
For differences between the versions de-
pendingonthe designof theR328connector,
see wiring diagram.
IPCU from Model 2011 is pre-programmed
in the kit.
Duty cycle: 70%
Frequency: 100Hz
Voltage: 11V
Function: Low-side
IPCU up to Model 2010 must be repro-
grammed.
Duty cycle: 46%
Frequency: 100Hz
Voltage: 10V
Function: Low-side
Connectwires toIPCU. IPCUview oncontact
side! Pull wire section 2, 3 and 4into protec-
tive sleeving provided.
Premount-
ing IPCU
1
300
3rt
0,75²
1700
2000
2sw
0,75²
2000
4br
0,75²
5
500
gn/ws
0,75²
2000
2sw
0,75²
2000
4br
0,75²
5
500
gn/ws
0,75²
Renault Laguna / - Grandtour / - GT / - Coupe
1313385D_EN 7
Electrical system
Wiring harness routing
1Wiring harness of heater and metering pump
Digital timer
1Digital timer
Wiring har-
ness rout-
ing
diagram
Fuse holder, K3 relay
1K3 relay
2Angle bracket
3Original vehicle stud bolt, flanged nut
4M5x16 bolt, retaining plate for fuse holder,
washers, flanged nut
Wiring harness pass through
1Wiring harness of digital timer
2Wiring harness of fan controller
3Protective rubber plug
2
1
3
1
Do not install the metering
pump wiring harness until later
together with fuel pipe along
the original vehicle fuel lines in
the corrugated tube on the un-
derbody
4
4
1 32
5
3
1
2
Renault Laguna / - Grandtour / - GT / - Coupe
1313385D_EN 8
Fan controller
Wiring dia-
gram up to
Model 2010
Webasto components Vehicle components Colours and symbols
Legend
HG Heater TT-C/E 1156 Fan motor rt red
X1 6-pin heater connector R328 6-pin connector ws white
F3 25A fuse 1023 Fan controller sw black
K3 Fan relay 419 A/C control unit ro pink
IPCU Pulse width modulator F58 40A fuse gn green
ge yellow
IPCU adjustment values:
Duty cycle: 46%
Frequency: 100Hz
Voltage: 10V XCutting point
Function: Low-side Wiring colours may vary.
Webasto
31
30
15
Renault
F3
86
85 30
87a87
K3
HG
X1 4
R328 4 1 3 6
F58
2 1
1023
2 3 1
85 86
A
E
15
IPCU
sw
ro
ro
1156
M
2 1
419
5 4 15
rt
4²
4²
sw
rt
0,75²
rt
0,75²
0,75²
0,75²
0,75²
rt
3²
rt
3²
gn/ws
0,75²
1
2
3
5
4
Renault Laguna / - Grandtour / - GT / - Coupe
1313385D_EN 9
Wiring dia-
gram from
Model 2011
Webasto components Vehicle components Colours and symbols
Legend
HG Heater TT-C/E 1156 Fan motor rt red
X1 6-pin heater connector R328 6-pin connector ws white
F3 25A fuse 1023 Fan controller sw black
K3 Fan relay 419 A/C control unit ro pink
IPCU Pulse width modulator F58 40A fuse gn green
ge yellow
IPCU adjustment values:
Duty cycle: 70%
Frequency: 100Hz
Voltage: 11V XCutting point
Function: Low-side Wiring colours may vary.
Webasto
31
30
15
Renault
F3
86
85 30
87a87
K3
HG
X1 4
R328 4 1 3 6
F58
2 1
1023
2 3 1
85 86
A
E
15
IPCU
sw
ro
ro
1156
M
2 1
419
5 4 14
rt
4²
4²
sw
rt
0,75²
rt
0,75²
0,75²
0,5²
0,75²
rt
3²
rt
3²
gn/ws
0,75²
1
2
3
5
4
25
ro
0,5² ro
0,75²
15
Renault Laguna / - Grandtour / - GT / - Coupe
1313385D_EN 10
Central electrical box with fuse F58 (rear view)
Central
electrical
box
58
BPT5
rt
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