+44 (0)23 8052 8777
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MV Heating UK Ltd
MV Hydro 55
Diesel Powered Water Heater Instruction Manual Ed. 1.00
Unit 6
Second Avenue Business Park
Millbrook
Southampton
SO15 0LP
Page 1: ...44 0 23 8052 8777 1 MV Heating UK Ltd 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...
Page 2: ...ention This instruction book is subject to revision without notice but the instruction book is in conformity to the purchased product Our effort is to explain all questions the user may have through t...
Page 3: ...8052 8777 3 MV Heating UK Ltd Contents No Content Page No 1 Introduction 4 2 Technical Data 6 3A Installation 8 3B Installation of fuel line 15 4 Operating Instructions 18 5A Maintenance 19 5B Fault F...
Page 4: ...ition and microprocessor control for full temperature regulation Very low servicing costs due to modular construction Simple wiring means a variety of controls are available to operate this heater It...
Page 5: ...tandpipe 1 Fuel pump on antivibration mount 1 Fuel pipe 1 Rubber coolant hose 2m Water pipe connections 4 Clips Fixings Various Wiring harness 1 On off switch with diagnostic light 1 Stainless steel e...
Page 6: ...44 0 23 8052 8777 6 MV Heating UK Ltd 2 Technical Data Figure I...
Page 7: ...combustion chamber gasket 5 Combustion chamber 6 Heat exchanger gasket 7 Housing 8 Combustion air motor 9 Air motor gasket 10 Air fan gasket 11 Combustion air fan 12 Combustion air fan cover 13 Therm...
Page 8: ...40 C 40 C Ideal operating pressure Heat carrier Heat exchanger capacity Minimum capacity of the circulation Minimum flow of the heater CO in exhaust Allowed range Heater dimensions Weight Remote dist...
Page 9: ...rs 4 Metric spanners 8mm to 13mm 5 Flat blade posidrive screwdrivers 6 Sharp knife 7 Pipe shears for plastic rubber water pipe Important Information The heater must not be installed In the immediate v...
Page 10: ...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...
Page 11: ...Engine 5 Water heater 6 Battery 7 Fuse holder 8 Control Unit 9 Relay for vehicle fan 10 Regulating valve for vehicle heating 11 Heat exchanger vehicle heating 12 Vehicle heating fan 13 Switch for veh...
Page 12: ...Heat exchanger 7 Radiator Always use the hoses provided Ensure they are installed without kinks and preferably installed uphill to ensure better bleeding Use hose clips to support the hose connections...
Page 13: ...ons can occur if not bled correctly Relocating the circulation Pump The circulation pump can only be installed in the water installation Take care to ensure that the water flows through the heater in...
Page 14: ...way from splashing water and again above the vehicles wading line Instructions Connect the slotted side of the combustion air intake line max 400mm long to the air intake port of the heater and secure...
Page 15: ...he return line with the special fuel pickup 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 The allowed fuel inflow...
Page 16: ...with combustion If the fuel pump is located inside the tank due to a fuel injection system the fuel can only be withdrawn from the return line Ensure that the return line continues to the bottom of t...
Page 17: ...e IX Figure X Fuel Pump The fuel pump is a combined delivery metering and shutoff system and thus subject to specific installation criteria see Figures VI and IX It is advised to install the fuel pump...
Page 18: ...ll be activated and pre heating will begin Approximately 15 seconds after this the motor and fuel pump will begin The flame sensor will soon detect a stable flame and the glow pins will switch off The...
Page 19: ...the fault code will begin to flash see Fault Finding page 19 If the flame burns out abnormally while the heater is running simply re start it and try again A premature shut down of the heater can be c...
Page 20: ...e make a final check around the installation to ensure that all circuits are well connected fuel lines aren t sagging or leaking and whether any dirt is clogging any parts Ensure the wiring harness is...
Page 21: ...23 8052 8777 21 MV Heating UK Ltd 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 se...
