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MV Heating Airo 5 Workshop Manual

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MV Airo 5
W
M
ORKSHOP
ANUAL
E
1.02
D
MV Heating UK Ltd
Unit 6
Second Avenue Business Park
Millbrook
Southampton
SO15 0LP
MV Heating UK LTD
+44 (0)2380 522345

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Summary of Contents for MV Heating Airo 5

  • Page 1 MV Airo 5 ORKSHOP ANUAL 1.02 MV Heating UK Ltd Unit 6 Second Avenue Business Park Millbrook Southampton SO15 0LP MV Heating UK LTD +44 (0)2380 522345...
  • Page 2 Any action you take upon the information in this manual is strictly at your own risk, and MV Heating will not be liable for any losses and damages in connection with the use of this information.

  • Page 3: Table Of Contents

    Note: The following flow charts will refer to the exploded diagrams, or figures as (F:P), where ‘F’ donates the figure, and ‘P’ donates the part in that figure. For example (2:4) would mean ‘Figure 2: Part 4’. MV Heating UK Ltd...

  • Page 4: Heater Removal

    Connect the main wiring harness connector to the E.C.U. and replace the cover (1:3). Reconnect the vehicle’s battery. Fully bleed the fuel supply system, by turning the heater on and off. Ignition failure will occur until the system has been bled. MV Heating UK Ltd...

  • Page 5: Heater Cases Diagram

    +44 (0)23 8052 2345 Heater Cases Diagram Figure 1 1. Inlet Cap 2. Outlet Cap 3. E.C.U. Cover 4. Top Cover 5. Bottom Cover 6. Grill MV Heating UK Ltd...

  • Page 6: Internal Structure Diagram

    Internal Structure Diagram Figure 2 1. Overheat Sensor 2. E.C.U. 3. Air Motor Assembly 4. Air Motor Gasket 5. Burner 6. Glow Pin (& Flame Sensor) 7. Combustion Chamber 8. ‘O’ Ring 9. Heat Exchanger 10. Insulating Bush MV Heating UK Ltd...

  • Page 7: E.c.u. Connections Diagram

    +44 (0)23 8052 2345 E.C.U. Connections Diagram Figure 3 1. Overheat Sensor 2. Glow Pin 3. Fuel Pump 4. Temperature Sensor 5. Main Wiring Harness 6. Empty 7. Air Motor MV Heating UK Ltd...

  • Page 8: Removing And Refitting Of Parts

    All disassembled parts should be Inspected for damage (cracks, distortion, wear, etc.) and replaced as required. You should also regularly inspect all electrical connectors and wiring for corrosion, loose contacts, or wrong crimping, etc. and repair as required. MV Heating UK Ltd...

  • Page 9: Part 1: The Case Assembly

    3) Replace top case (1:4), ensuring that the tabs are locate inside the bottom case correctly. 4) Refit the outlet cap (1:2), ensuring that it is orientated correctly. 5) Refit the inlet cap (1:1), ensuring that it is orientated correctly. MV Heating UK Ltd...

  • Page 10: Part 2: The Overheat Sensor

    Refitting the Overheat Sensor: 1) Replace the overheat sensor onto the heat exchanger. 2) Plug the overheat sensor back into the E.C.U. (2:2), paying attention to its correct orientation. 3) Replace the cases (Part 1). MV Heating UK Ltd...

  • Page 11: Part 3: The E.c.u

    2) Reinstall the E.C.U. securing it in place with the 2 x hex bolts located on top. Tighten to 3.0 ± 0.3 Nm. 3) Reconnect the rest of the connectors (3:1), (3:2), and (3:3), back into their correct connections, paying attention to their orientation. 4) Replace the cases (Part 1). MV Heating UK Ltd...

  • Page 12: Part 4: The Air Motor

    2) Refit the air motor (2:3) back into position. 3) Fit the 8 x hex bolts around the base of the air motor and tighten to 4.0 ± 0.4 Nm. 4) Refit E.C.U. (Part 3) and cases (Part 1). MV Heating UK Ltd...

  • Page 13: Part 5: The Burner And Glow Pin Assembly Removal

    6) Rotate the burner 180° to the right (it will not fully rotate the other way) so the glow pin side faces up, and pull the burner out of the fuel inlet hole. MV Heating UK Ltd...

  • Page 14: Part 5 Cont'd: The Burner And Glow Pin Assembly Refit

    1) Feed the glow pin back through the largest elongated hole on the burner and reinsert it fully into position. 2) Tighten the small Phillips head screw onto the glow pin to 0.8 ± 0.08 Nm to hold it securely in place. MV Heating UK Ltd...

  • Page 15: Part 5 Cont'd: The Burner And Glow Pin Assembly Refit

    5) Feed the glow pin back through the glow pin hole. 6) Fully insert the glow pin grommet into the hole to create a clean seal. 7) Refit the air motor (Part 4), E.C.U. (Part 3), and cases (Part 1). MV Heating UK Ltd...

  • Page 16: Part 6: The Combustion Chamber

    3) Replace and tighten the 4 x hex bolts into the top of the combustion chamber to 4 ± 0.4 Nm to secure it in place. 4) Replace the burner assembly (Part 5), the air motor (Part 4), the E.C.U. (Part 3), and the cases (Part 1). MV Heating UK Ltd...

  • Page 17: Part Numbers

    9) Glow Pin (12V/24V): A5C-014/A5C-014 10) Overheat Sensor: A25Z-016 11) Inlet Cap: A5Z-027 12) Outlet Cap: A5Z-028 13) E.C.U. Cover: A5Z-024 14) Top Cover: A5Z-025 15) Bottom Cover: A5Z-026 16) Grill: A5Z-029 17) Fuel Pump (12V/24V) AHC-023/AHA-023 MV Heating UK Ltd...

  • Page 18: Notes

    +44 (0)23 8052 2345 Notes ……………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………………….. MV Heating UK Ltd...
  • Page 19 +44 (0)23 8052 2345 MV Heating UK Ltd...

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