Specialist company training, technical documentation, specialized tools and equipment are required to install and repair Webasto heating and cooling systems. 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 technical skills, or if you do not have access to the required technical documentation, tools and equipment needed to carry out correct installation and repairs.
Renault Scenic / Grand Scenic / Megane Table of Contents Validity Preparing installation location Delivery scope Preparing heater unit Foreword Installing heater unit General Instructions Coolant connection Special Tools Fuel Connection Explanatory Notes on Document Combustion air Preliminary Work Exhaust system Heater unit installation location Final Work Preparing electrical system...
Megane from 2003 Diesel Heater unit recommended for the respective vehicle class: Vehicle Heater unit Compact car Thermo Top E Mid-size car, station wagon Thermo Top C Full-size car, van, offroader Thermo Top P The selection of the heater unit is based on the passenger compartment size of the vehicle and the...
Specific risk of damage to components. Specific risk of fire or explosion. Reference to general installation instructions of Webasto components or to the manufacturer's vehicle- specific documents. Reference to a special technical feature. The arrow in the vehicle icon indicates the position on the vehicle and the angle.
Renault Scenic / Grand Scenic / Megane Preliminary Work WARNING! - Depressurize the 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.
Renault Scenic / Grand Scenic / Megane Preparing electrical system For all vehicles approx. 160° 1 Perforated bracket Bending perforated 90° bracket Only with automatic air-conditioning Cutting additional green/ gn/ws white (gn/ws) wire to length Complete fuse F4 1 A as shown in wiring diagram and install on fuse holder.
Renault Scenic / Grand Scenic / Megane Electrical Connections Fuse holder, K3 relay with manual air Fuse holder, K3 relay with automatic air- conditioning conditioning 1 6.5 mm hole, perforated bracket, M6x12 bolt, 1 6.5 mm hole, perforated bracket, M6x12 bolt, flanged nut on battery trim flanged nut on battery trim 2 Retaining plate of fuse holder, K3 relay,...
Renault Scenic / Grand Scenic / Megane Fan controller for manual air conditioning Until 02/2006 Expose horizontally running, original vehicle wiring harness behind A/C control panel. Con- Produce connections as shown in wiring nection to diagram. resistor group 1 Yellow/brown (ge/br) wire from fuse 4 Red (rt) wire to K3/87a 2 Yellow/brown (ge/br) wire to resistor group 3 Black (sw) wire from K3/30...
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Webasto Renault rt/ws Wiring diagram for manual air con- A1 A2 A3 A4 ditioning p1 p2 Webasto components Renault components Colors and symbols Heater unit TT-C/E Fan motor 6-pin connector Fuse 30A white 25 A fan fuse Resistor group black...
Renault rt/ws Automatic ge/br air-con- ditioning circuit diagram St A gn/ws gn/ws Webasto components Renault components Colors and symbols Heater unit TT-C/E Fan motor 6-pin connector Fuse 30A white 25 A fan fuse 15 A fuse black 1 A additional fuse...
Renault Scenic / Grand Scenic / Megane Remote option (Thermo Call) Installation location of Thermo Call receiver 1 is dependent on equipment. Installation location shown (here on underside of center console 2 ) is a recommendation. Fasten receiver 1 with suitable screws.
Renault Scenic / Grand Scenic / Megane Preparing installation location Remove control unit for auxiliary heater 1 (will be remounted offset later); flanged nuts will be reused. Disconnect electrical connections on auxiliary heater [4x] and earthing strap. Removing 2 Remove bracket of control unit for auxiliary bracket heater 1 Control unit for auxiliary heater...
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Renault Scenic / Grand Scenic / Megane Cut out plastic molded part 1 as shown (on markings). Installing rivet nut 1 Drill 9.1 mm dia. hole; install rivet nut Installing rivet nut Loosely fasten retaining plate 2 with M6 bolt 1 on rivet nut and copy hole pattern to position 3 on frame side member.
Renault Scenic / Grand Scenic / Megane Preparing heater unit Saw off two long tabs on bracket 1 as shown (watch hole pattern). Bend remaining short tabs upward by 90° as shown. Preparing bracket Ejot stud, tightening torque 10 Nm. 1 90°...
Renault Scenic / Grand Scenic / Megane Installing heater unit Mount heater unit with Ejot stud on retaining plate. Copy hole patterns to positions 1 on bumper mount. Remove heater unit. Drill 9.1 mm hole in bumper mount at position 1 and mount rivet Installing nut.
Renault Scenic / Grand Scenic / Megane Coolant connection WARNING! Tighten all hose clamps to 2.0 + 0.5 Nm. Any coolant running off should be collected using an appropriate container! Install hoses so that they are kink-free. Unless specified otherwise, always fasten using cable ties. Position hose clamps and spring band clamps so that no other hose can be damaged.
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Renault Scenic / Grand Scenic / Megane Scenic/Grand Scenic 1.9 dCi a = 460 mm Discard section X Cutting Megane 1.5 dCi coolant hoses to a = 540 mm length Discard section X Slide braided protection hoses onto hose A and cut to length.
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Renault Scenic / Grand Scenic / Megane All vehicles Remove hose section 1 on electric auxiliary heater; spring clip will be reused. Con- nection on heater unit Cut off hose section 2 at marking. 1 Discard cut-off sections Cutting hose to length 1 Original vehicle spring clip 2 Prepared hose section...
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Renault Scenic / Grand Scenic / Megane Megane 1.5 dCi Route hose A through original vehicle pass through to heater unit. 1 Original vehicle hose from heater Con- exchanger outlet nection on heat exchanger outlet All vehicles Before connecting, fill the coolant hoses with coolant.
Renault Scenic / Grand Scenic / Megane Fuel Connection CAUTION! Open the vehicle's fuel tank cap, ventilate the tank and then re-close the tank lock. Catch any fuel running off with an appropriate container. Install fuel line and metering-pump wiring harness so that they are protected against stone impact. Unless specified otherwise, always fasten using cable ties.
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Renault Scenic / Grand Scenic / Megane Connect fuel line from heater unit 1 to pressure side of metering pump [end with connector]. 2 Hose section, 10 mm dia. hose clamps [2x] 3 Wiring harness of metering pump, single- Con- wire seal, tab connector, connector necting housing...
Renault Scenic / Grand Scenic / Megane Combustion air 1 Combustion air pipe a = 260 mm Cutting Discard section X com- bustion air pipe to length 2 Combustion-air intake pipe 3 27 mm dia. hose clamp 1 Cable tie Installing intake pipe 1 Retaining clip in prepared hole...
Renault Scenic / Grand Scenic / Megane Exhaust system 1 Exhaust pipe a = 240 mm 2 Exhaust end section b = 200 mm Preparing exhaust Discard section X pipe Bending perforated bracket 1 ! approx. 60° 67 mm Bending perforated bracket approx.
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Renault Scenic / Grand Scenic / Megane Cut off tab 1 completely and discard. 2 Underride protection 3 42 mm dia. hole Cutting out underride protection Mount underride protection 2 . Insert exhaust end section 3 and red rubber isolator 1 in hole.
- Attach the "Switch off additional heater before refueling" sticker to the left-hand B-pillar. Feel the drive Webasto AG Postfach 80 - 82132 Stockdorf, Germany - Hotline +49- (0)1805-932278 Hotfax +49-(0)395-5592-353 - http://www.webasto.de Printed in Germany 06/07Printed by: Steffen...
Renault Scenic / Grand Scenic / Megane Operating Instructions for End Customer Please remove page and add to the vehicle operating instructions. Rule of thumb for operating additional heater: driving time = heating time! Before parking the vehicle, make the following settings: 1 Set fan to level "2"...
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