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+44 (0)23 8052 8777 MV Hydro 55 Diesel Powered Water Heater Instruction Manual Ed. 1.00 MV Heating UK Ltd Unit 6 Second Avenue Business Park Millbrook Southampton SO15 0LP MV Heating UK Ltd...
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This instruction book describes the structures, working principles, installation and operation of the MV Hydro 55. For correct use of the heater please, please read this instruction book carefully before installation and use. The instruction book should be saved in a convenient place for later reference.
It can be applied to various heating purposes, whether its hot water heating for easier living or engine pre- heating and demisting. For both vehicle and marine markets the Hydro 55 is a great way to efficiently meet your heating needs. This kit includes everything necessary for installation excluding plumbing to the radiators and calorifier.
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+44 (0)23 8052 8777 Included in your Hydro 55 Kit is: Hydro 55 Part Quantity Heater on bracket with water pump Fuel standpipe Fuel pump on antivibration mount Fuel pipe Rubber coolant hose Water pipe connections Clips & Fixings Various...
Scope of application marine craft for cabin warming, demisting and low temperature start up of the engine. Circulation Pump Parameter WP-1000/2 WP-1000/1 Flow rate at 0.1 bar 10001/h rated voltage Rated Power Overall dimensions (mm) 168x55x73 Weight 0.4g MV Heating UK Ltd...
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7. Pipe shears [for plastic & rubber water pipe]. Important Information: The heater must not be installed: ➢ In the immediate vicinity of hot parts ➢ In areas exposed to splashing water (vehicle tyres for example) ➢ Below the wading line of a vehicle MV Heating UK Ltd...
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+44 (0)23 8052 8777 Mounting the heater The Hydro 55 is ideally installed in the engine room away from any water that may interfere with the system whilst still being low enough to allow automatic bleeding of the heater and circulation pump. This is particularly important as the circulation pump is not self-priming.
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13. Switch for vehicle heating fan 14. Fuse bank in vehicle 15. Timer 16. Fuel pickup 17. Intake silencer, combustion air 18. Exhaust muffler intake line 19. Circulation pump 20. Fuel metering pump Connecting to the vehicle’s cooling system MV Heating UK Ltd...
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Take care not to over tighten the clips. A torque setting of 2.0+0.5 Nm is ideal. Secure hose clips on the heater between the flared neck and the heater. MV Heating UK Ltd...
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Take care to ensure that the water flows through the heater in the right direction (water outlet at the top and inlet at the bottom) the heater will malfunction if this isn’t done. Figure V Installation Positions MV Heating UK Ltd...
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50mm). The total length of the line shouldn’t be less than 500mm or larger than 3m and make sure the exhaust doesn’t point in the direction of travel. Figure VI MV Heating UK Ltd...
(see Figure VII.) The pickup is ideally fitted so that any air bubbles are discharged in the direction of the fuel tank (see Figure III). MV Heating UK Ltd...
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➢ Air bubbles will likely occur in fuel lines with an inside diameter greater than 4mm ➢ Secure unsupported fuel lines to prevent sagging ➢ Install away from high temperatures and road debris MV Heating UK Ltd...
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It is advised to install the fuel pump on its anti vibration mount near the fuel pump in a cool place away from the engines radiated heat, use a heat shield if applicable. Figure IX shows its ideal installation position to guarantee effective automatic bleeding. MV Heating UK Ltd...
78˚C, at which point the fuel pump will stop. The heater motor will continue until the heater cools down. This process takes around 4 minutes. The heater will automatically switch itself back on when water temperature falls below 65˚C. MV Heating UK Ltd...
Any voltage below 10v or above 19v (on a 12v model) or below 15v and above 32v (on the 24v version) will be considered abnormal and the indicator will flash the relevant code. For the sake of protection the heater will also switch itself off. MV Heating UK Ltd...
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Ensure the wiring harness is well away from direct heat and possible water sources and that there are no loose plugs and fittings. Figure XI: Circuit Diagram MV Heating UK Ltd...
+44 (0)23 8052 8777 5B. Fault Finding Diagnostic code Short pulse: Light duration and interval between pulses is 0.25 seconds Long Pulse: Light duration and interval between pulses is 1 second MV Heating UK Ltd...
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