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Webasto 5011815, Instructions Manual, Page: 1 / 32

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Transit 

London

Extreme Climate
Under-body Condenser

Legend

1 London HVAC Unit Assembly
2 Coolant Valve
3 Coolant Pump

Special Tools

– Oetiker pliers 
– Rivnut installation tool
– Hole saw kit
– Refrigerant recovery and recharging machine
– Weather-Pack/Metri-Pack crimping tool 12085270

1

2

3

Ford Transit

2015 - Present 3.5 Liter 

148” wheelbase - All Roof Heights
For kit 5011815

Special instructions for these models

Part locations may differ slightly dependent on 
the vehicle-specific configuration.

DOC P/N 5011865             KIT P/N 5011815             Printed in USA       Webasto N.A., Inc.

Summary of Contents for 5011815

Page 1: ...le saw kit Refrigerant recovery and recharging machine Weather Pack Metri Pack crimping tool 12085270 1 2 3 Ford Transit 2015 Present 3 5 Liter 148 wheelbase All Roof Heights For kit 5011815 Special i...

Page 2: ...r repair Webasto heating or cooling system unless you have the proper certifications technical skills tools and equipment required to properly complete the necessary procedures ALWAYS carefully follow...

Page 3: ...1 3 Scope 8 1 4 Applicability of Manual 8 1 5 Meaning of Warnings Cautions and Notes 8 1 6 Safety 9 1 7 Legal Provisions for Installation 9 1 8 Prohibition on Venting 9 General References 10 Preparat...

Page 4: ...SE 1 5011008B FITTING REFRIGERANT 90 06THD 06HOSE 1 5011028B FITTING REFRIGERANT 45 06THD 06HOSE 1 5011212B FITTING REFRIGERANT 180 06THD 06HOSE 1 5011166A REFRIGERANT HOSE BURGAFLEX H 10 3090 R 46 FT...

Page 5: ...134A 2 7LBS 1 901073 HOSE HEATER 0 3215 ID RUBBER 49 FT 901100 HOSE HEATER 0 75 ID GATES BLUE STRIPE 13 FT 5011594A THREADED PLATE M8X1 25 4 5011595A BRACKET LONDON REAR MOUNT TRANSIT 1 62U003AA093A A...

Page 6: ...death from explosion fire or contact with acid saturated refrigerant or oil mists Webasto recommends that the system be serviced using a flush and purge station such as a Robinair unit or similar equ...

Page 7: ...Applicability of Manual These non binding installation instructions apply to the make model listed on the front cover of this installation manual Due to optional equipment there may be build variation...

Page 8: ...iring the removal of refrigerants be serviced by a certified technician under section 609 of the Clean Air Act and that all refrigerant be reclaimed and recycled Vehicle operation must not be impaired...

Page 9: ...it or any components to the vehicle structure 1 Insert four threaded mounting plates in the locations as shown 2 Install the mounting bracket and London HVAC unit General References Bare sheet metal f...

Page 10: ...anels drill two 1 3 4 inch 45 millimeters holes five inches 127 millimeters apart Remove the material between the holes and protect the cut edge against corrosion and wire chafing 5 Drill two 1 3 4 in...

Page 11: ...t secure the coolant pump to the chassis outrigger next to the fuel tank 7 Install the receiver dryer in the receiver dryer mounting clamp Loosely install the trinary switch in the receiver dryer 8 In...

Page 12: ...r to 4mm 10 Install the condenser reinforcement brackets on the condenser NOTE There are three right angle con denser mounting brackets The long side of the bracket attaches to the condenser assembly...

Page 13: ...ave to drill three holes One may already have the appropriate threaded insert installed 13 Drill four 3 8 inch holes and install the threaded inserts using an appropriate tool NOTE The A C hose is sho...

Page 14: ...h making A C hoses A Using blade type hose cutters cut the hose in one cut The cut edge must be clean and flush B Place two properly sized clips in the clip holder The clips should both be facing the...

Page 15: ...15 Ford Transit London D Lubricate the fitting with PAG oil and insert the fitting until the shoulder of the fit ting is touching the clip holder E Using Oetiker pliers crimp the clips closed...

Page 16: ...nect a hose between the evaporator high pressure port and the outlet of the receiver dryer 16 Using a 6 45 and a 6 90 fitting connect the receiver dryer input port to the condenser outlet port NOTE In...

Page 17: ...service fitting to the low pressure port on the London unit using a 10 90 fitting Install the low pressure switch in a location that allows servicing CAUTION Replace hose clamps as necessary Hose cla...

Page 18: ...alve through the hole drilled in the floor NOTE The following step only applies if you are not using the factory coolant up fitter ports NOTE This is a parallel connection Do not restrict or obstruct...

Page 19: ...5 8 reducers are used 24 Connect the return and supply hoses to the appropriate up fitter ports NOTE A 3 4 in to 5 8 in adapter may nec essary on the input and output sides of the coolant pump 25 Con...

Page 20: ...both sides together with a T fitting 28 Route the drain hose from the London HVAC unit assembly down the left rear corner of the vehicle and through the factory supplied hole in the floor Cut the dra...

Page 21: ...ect the blower motor connector 1 and the thermostat connector 2 31 Connect the low pressure switch 32 Route the wiring harness down the left rear corner of the vehicle Using the provided p clips and t...

Page 22: ...relay strip mounting panel 33 Mount the relay strip and fuse block to a bracket fabricated for that purpose Route the wiring harness over the wheel well 34 Connect the coolant valve electrical connec...

Page 23: ...s 37 Drill a 1 25 inch 32 mm hole in the rear of the left foam panel approximately centered between the two indents Route the control panel wiring harness through the hole and to the top center of the...

Page 24: ...with a 70 amp fuse Reinstall the power distribution center at this time 40 Connect the pink wire to a 12V ignition circuit in the open connector in the battery compartment 41 Connect the positive wire...

Page 25: ...ord Transit London 42 Cut the dome light bezel and panel to accept the control panel Install the control panel in the dome light bezel 43 Connect and install the control panel and install the package...

Page 26: ...nsit 44 Connect the condenser fans and the pressure switch on the receiver dryer 45 Connect the coolant pump 46 Using the supplied connector and the proper crimping tool connect the A C compressor ele...

Page 27: ...leeder valve release trapped air from the system 51 After all the air has been removed from the system fill the reservoir to the proper level 52 While monitoring the system for leaks allow the vehicle...

Page 28: ...28 Ford Transit Wiring Diagram...

Page 29: ...29 Ford Transit...

Page 30: ...the nearest Webasto authorized dealer for warranty service visit http www webasto com or call 800 860 7866 in USA 800 667 8900 in Canada a Limitations Webasto specifically excludes and limits warranty...

Page 31: ......

Page 32: ...Webasto Product N A Inc Technical Assistance Hotline USA 800 555 4518 Canada 800 667 8900 www webasto us www techwebasto com Org 3 2016 Rev 12 2021 P N 5011865...

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