Webasto Thermo Top C Installation Instructions Manual

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Manual is about: Typ BW50 (Benzin/Petrol/Bensin) Typ DW50 (Diesel)

Summary of Thermo Top C

  • Page 1

    Doc p/n 5000778c kit p/n 5000777b printed in usa webasto thermo & comfort n.A., inc. Coolant heater thermo top series legend 1 electrical harness sockets 2 coolant outlet 3 fuel inlet 4 exhaust 5 coolant inlet 6 coolant circulation pump 7 combustion air intake special tools – hose clamping pliers – ...

  • Page 2

    • webasto heating and cooling systems require qualified and/or professional instal- lation and repair technicians. Warranty shall be void if not installed by a certified or trained installer/repair technician who has successfully completed the factory training course for installation and repair of w...

  • Page 3

    3 thermo top c 1 foreword webasto heating and cooling systems require qualified and/or professional installation and repair technicians. Warranty shall be void if not installed by a certified or trained installer/repair technician who has successfully completed the factory training course for instal...

  • Page 4

    4 thermo top c 1.3 symbol identification 1.3.1 symbols that define sections in manual mechanical preparation electrical coolant general symbol descriptions warning caution flammable or combustible fuel exhaust combustion air intake refer to webasto or manufacturer manual attention line of sight/item...

  • Page 5

    Thermo top c 5 1.4 general references – bare body parts, for example around drilled holes, must be treated with anti-corrosive coating. – secure hoses, cables and wiring harnesses with cable ties and fit protective hoses around them at chafing points. – fit edge protectors (opened fuel hose) to shar...

  • Page 6

    6 thermo top c 2 electrical overview attention ensure wiring and wiring harnesses are securely fastened to the vehicle. If not described differently, securing of wiring is done with cable ties to the vehicle’s own wiring harnesses. 2.1 universal electrical harness description legend for figure 1 fig...

  • Page 7

    Thermo top c 7 2.2 electrical harness attention remove cable tie holding the negative-side blower control harness from the main harness and set aside. This harness will be mounted near the vehicle blower motor. Mount heater electrical components on supplied mounting bracket with hardware provided. S...

  • Page 8

    8 thermo top c 2.5 timer installation caution check behind panels for obstructions before drilling holes. Attention before installing the timer, please confirm the installation location with the customer. Affix supplied template to panel. Drill 10 mm (25/64 in.) and 2.5 mm (3/32 in.) holes where ind...

  • Page 9

    Thermo top c 9 2.6.2 3-relay hvac harness connec- tions note: it is permissible to cut excess length from webasto hvac wiring harnesses to fit the application. Cut motor wires where indicated by “ x ” – (1) chassis ground – (2) splice green wire to green wire – (3) strip and crimp red wire to contro...

  • Page 10

    10 thermo top c 3 heater mounting 3.1 recommended locations refer to figure 10 for the location of heater connections and dimensions, this will aid in determining the best mounting site. Caution the heater must not be installed in the immediate vicinity of hot vehicle parts or in the direct splash-w...

  • Page 11

    Thermo top c 11 attention observe torque specifications. Install heater mounting bracket with three ejot screws. Tighten ejot screws to 10 nm (88.5 lb.-in.). – (1) heater mounting bracket – (2) ejot screws drill a 7mm (17/64 in.) hole through front bumper support as shown in figure 14. Locate the 7m...

  • Page 12

    12 thermo top c 3.1.2 sample heater installation (ford f-150) attention the webasto auxiliary coolant heater is to be installed behind left front head lamp assembly affixed to the front core support as shown in figure 17. – (1) webasto coolant heater and bracket. Attention bend heater mounting brack...

  • Page 13

    Thermo top c 13 attention remove heater and drill the four previously marked hole locations using a 6.5 mm (1/4 in.) bit. Attention prior to heater installation, the following components must be mounted to heater: – (1) combustion air intake tube – (2) heater bracket – (3) coolant inlet hose – (4) c...

  • Page 14

    14 thermo top c 4 fuel system 4.1 fuel extraction 4.1.1 standpipe installation position the installation position of the fuel extractor is shown in figure 23 and depends on the relevant vehicle-specific installation conditions. General instructions the following details are supplied in the installat...

  • Page 15

    Thermo top c 15 4.1.2 vent line adapter this standpipe version utilizes the fuel tank filler vent tube to access the fuel supply. The standpipe must extend into the fuel tank far enough to provide an adequate fuel supply to the heater. Ideally, the end of the standpipe should sit 25-50 mm (1-2 in.) ...

  • Page 16

    16 thermo top c 4.2 fuel supply particulars on pressure values permitted to prevail at the point of fuel extraction are contained in the table below. Note: 1 bar = 14.5 psi and 1 psi = .069 bar 4.3 fuel lines the special fuel line supplied in the kit is the only fuel line approved by webasto for hea...

  • Page 17

    Thermo top c 17 attention •ensure the fuel lines are fully seated within the fuel line couplers and any 90 degree bends are not buckled. Refer to figure 29. •tighten all fuel line clamps to 1.0 - 1.4 nm (8.8 - 12.4 lb.-in.) •always cut mecanyl fuel line with a sharp razor knife or razor edged cutter...

  • Page 18

    18 thermo top c attention when selecting a location for standpipe installation, ensure to leave enough room for electrical connections and float arm operation. Drill a 5/16 in. Hole through the fuel sender where shown in figure 32. – (1) fuel sender – (2) 5/16 in. Hole drilled for standpipe 4.5.2 st...

  • Page 19

    Thermo top c 19 5 combustion air supply attention • the combustion air must never be drawn from the occupant area of the vehicle. If the heater is installed in an enclosed housing, a vent hole of at least 3 cm (1.2 in.) is required • ensure the combustion air intake opening on the heater is position...

  • Page 20

    20 thermo top c 6 exhaust system caution keep exhaust tube away from heat sensitive vehicle components. Attention any collection of condensation in the exhaust pipe must be drained immediately; drill a small drain hole at the lowest point of the exhaust pipe. The exhaust gas pipe can have several be...

  • Page 21

    Thermo top c 21 7.1 repositioning the circulation pump the circulation pump can be mounted at the location provided on the heater or be integrated into the coolant circuit, away from the heater. Ensure flow through the heater is correct (coolant outlet at the top / coolant inlet at the bottom) or th...

  • Page 22

    22 thermo top c 8 power and ground connections 8.1 ground connection use existing ground point to attach the control harness ground (brown wire). – (1) existing vehicle ground – (2) control harness ground 8.2 power connection attach the control harness power lead (red wire) to the positive stud or t...

  • Page 23

    Thermo top c 23 9 final inspection initial start-up and concluding work connect battery ground terminal 9.1 final inspection heater mounting complete (yes/no/comments) 1 is the heater installation safely secure / rigid? (ensure that all bracket bolts are tight) 2 is there a safe clearance from heat ...

  • Page 24

    24 thermo top c electrical complete (yes/no/comments) 1 has all wiring been safely secured away from moving components and / or heat sources? 2 check for proper power and ground connections. 3 has blower motor functionality been tested (if applicable)? 4 check for proper fuse tap connection. 5 verif...

  • Page 25

    Thermo top c 25 if you have any questions, contact our technical support team at (800) 860-7866 or via email at: info-us@webasto.Com . Combustion air intake complete (yes/no/comments) 1 is the combustion air intake drawing fresh air from a non-turbulent location? (i.E. Not in direction of travel) 2 ...

  • Page 26: Danger

    26 thermo top c 9.2 initial start-up webasto heaters must be switched “off” when re-fueling at filling stations and/or while loading or unloading flammable materials for transport, to prevent the risk of explosion. Please review owner’s manual for safety and use instructions. Attention the fan speed...

  • Page 27

    Thermo top c 27 10 heater lockout reset procedure the control unit continuously monitors the heater operation. The control unit identifies errors on individual heater components and faults during operation. Should the control unit experience component errors and operational faults, the heater may be...

  • Page 28

    28 thermo top c electrical harness schematic - part 1, heater control.

  • Page 29

    29 thermo top c electrical harness schematic - part 2, hvac blower control.

  • Page 30

    30 thermo top c heater plumbing schematic - inline method.

  • Page 31

    Thermo top c 31 programming the 24 hour digital timer with 3 time settings operation. Operation of the timer is designed so that the symbols flash rapidly in the setting mode. If no button is pressed within 5 seconds, the displayed time will be saved. The display changes at high speed when the and b...

  • Page 32

    32 thermo top c programming the 24 hour digital timer with 3 time settings continued: program start of heating. Press the button. Press the “forward” or “reverse” buttons within 10 seconds until the required time for starting heating operation is displayed. If a different program number is required,...

  • Page 33

    Thermo top c 33 documentation feedback form detailed user feedback is extremely valuable to us in producing accurate, comprehensive, and useful documentation. Please complete the relevant parts of the form below; your comments and suggestions will help us improve our documentation. Thank you. Unsati...

  • Page 34

    34 thermo top c.

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  • Page 36

    Webasto thermo & comfort n.A., inc. Technical assistance hotline usa: (800) 860-7866 outside usa: (810) 593-6000 www.Webasto.Us www.Techwebasto.Com org. 08/2005 rev. 02/2018 p/n 5000778c.