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MV Heating MV Airo 4, Instruction Manual, Page: 2 / 48

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+44 (0)23 8052 2345

 

 

 

 

2 

MV Heating UK Ltd 

Preface 

Thank you for purchasing the MV Airo 4 diesel heater (hereinafter referred to 

as ‘the heater’). This manual will attempt to describe the structure, working 

principle, installation and operation of the heater. For future reference please 
keep this manual in a safe and convenient place. 

Note 

•

 

This instruction booklet is subject to revision without notice but the 
instruction book is in conformity to the purchased product. 

•

 

The manual will attempt to answer any and all questions the user 
may have. If you have and further questions or find anything 
incorrect within this manual, please contact us directly. 

•

 

Please check that the heater is not damaged when first unpacking it 
and contact the dealer immediately if any problems are found. 

•

 

If any problems or faults arise during installation or operation, please 
contact us directly or any other customer service station authorised 
by our company. We shall do our best to offer you our full support. 

 

 

 

 

 

 

 

Summary of Contents for MV Airo 4

Page 1: ...44 0 23 8052 2345 1 MV Heating UK Ltd MV Airo 4 MV Airo 4 Diesel Powered Air Heater Instruction Manual Ed 2 01 MV Heating UK Ltd Unit 6 Second Avenue Business Park Millbrook Southampton SO15 0LP...

Page 2: ...ice but the instruction book is in conformity to the purchased product The manual will attempt to answer any and all questions the user may have If you have and further questions or find anything inco...

Page 3: ...ngle 12 Wiring Harness Connector Positions 13 Installation Mounting 14 Installation Ducting and Pipework 16 Exhaust System 17 Combustion Air Intake 18 Installation Fuel Lines 19 Fuel Line Connectors 2...

Page 4: ...lt Information 33 Remote Operation 34 Installation Fuel Priming Feature 34 LCD Digital 7 Day Timer 35 Changing Language 36 Changing the Date and Time 37 Manual On Off 38 Switching to Thermostatic Mode...

Page 5: ...industrial and machinery sectors to leisure craft like yachts and motor homes The heater is best uses for heating various cabins and compartments engine preheating and glass defrosting It is not reco...

Page 6: ...hat the air intakes and exhaust do not get blocked by other objects Take care to ensure that the exhaust outlet is installed in a way that prevents fumes entering the vehicle or in the direction of th...

Page 7: ...eat Power W 4000 Fuel Diesel Output W 900 4000 Fuel Consumption l h 0 11 0 51 Run Time Power Consumption w 8 40 Working Temperature 40 C 20 C Weight kg 4 5 Variable Output Current Draw Position Amps P...

Page 8: ...44 0 23 8052 2345 8 MV Heating UK Ltd Kit Contents The kit includes everything necessary for installation Figure I...

Page 9: ...15 Combustion air pipe fixing clamp 16 Exhaust pipe fixing clamp 17 Grill 18 Outlet Cover 19 Temperature probe optional 20 Hose clip optional 21 Hot air ducting optional 22 Out vents optional MV Airo...

Page 10: ...In front of the passenger seat 2 Between the passenger and driver s seat 3 Under the vehicle floor 4 Under the rear seat 5 Inside the boot Minivan Figure III 1 In front of the passenger seat 2 Between...

Page 11: ...23 8052 2345 11 MV Heating UK Ltd Crane Figure IV 1 In seat box 2 On the rear wall 3 In a protective case Lorry Figure V 1 In passenger footwell 2 On the cabin rear wall 3 Under the bed 4 In the tool...

Page 12: ...n of air flow Figure VI Figure VI shows the ideal installation position of the heater with exhaust pointing downward Depending on its location it can be tilted by 30 with the air flow and hot air outl...

Page 13: ...er by lifting up the two front flaps near the air inlet You can then lift out the entire innards of the heater heat exchanger to fan motor and all removing the cable from the rubber securing bush and...

Page 14: ...lts It is a good idea to mount the heater on the supplied mounting bracket particularly if the original mounting surface is thinner than 1 5mm A Mounting Gasket B Mounting Plate Figure VII Note The mo...

Page 15: ...wheel spins freely and 2 Ensure that the mounting surface is that there is sufficient clearance between the flat and smooth heater and the vehicle floor 3 The mounting gasket supplied must be fitted 4...

Page 16: ...eater body 3 Hot air outlet on heater body 4 80 90mm hose clip 5 90mm APK ducting 6 Directional outlet vent Figure X A Heater s hot air outlet B 90 80mm reducer optional C 80 90mm hose clip D 80mm APK...

Page 17: ...depending on the installation parameters Route the exhaust pipe from the heater to a suitable outlet ensuring that is securely fitted to the heater using the clamp supplied in the kit As the exhaust g...

Page 18: ...the combustion air intake can be shortened to up to 20cm or lengthened to no more than 2m again depending on installation conditions Some models can also be fitted with a combustion air silencer to r...

Page 19: ...tion or repair Cut any fuel line with a sharp knife to ensure a clean cut free from crushes and burrs Make sure the pipe from the fuel pump to the heater is on a gradual rise Ensure fuel pipes are fas...

Page 20: ...event air bubbles from forming in the fuel line as shown in Figure XII Figure XII A fuel filter must be fitted for all diesel heaters Make sure that it is installed the correct way according to fuel f...

Page 21: ...k 2 Fuel Standpipe 3 Fuel connector hose clip 4 Fuel Line 5 Rubber fuel line connector 6 Fuel Filter 7 Fuel pump with anti vibration mount 8 Damper optional 9 Heater body Figure XIV shows how to insta...

Page 22: ...amper is only necessary in kits that include one larger kilowatt heaters Always mount the fuel pump with the pressure side rising upward The preferred position is shown in figure XV and should be betw...

Page 23: ...2 2345 23 MV Heating UK Ltd Fuel Tank Head A B C 1 2 3 1 Connection to heater body 2 Maximum fuel level 3 Minimum fuel level Suction height for fuel pump A 3000mm B 1000mm diesel 500mm petrol C 2000mm...

Page 24: ...ndpipe in one of two ways Standpipe 1 Part No AHZ 034 Figure XVII Usually supplied in Marine kits and supplied bent this standpipe is installed like so Drill a hole in the top of the vehicle s fuel ta...

Page 25: ...ipe Drill a 6 0 2mm hole into the sender unit Remove the nut from the standpipe and feed it through the hole ensuring the rubber o ring remains on the standpipe head side Replace the nut on the standp...

Page 26: ...ll the control switch simply remove the rotary knob it is quite stiff and secure in a suitable location with the screw provided then replace the knob back in the correct location Alternatively to fit...

Page 27: ...r Battery X7 Fuel Pump 1 2 3 4 X1 BM Fan Motor 2 1 X8 2 1 X2 GS 2 1 X3 FW 2 1 X4 UeF NTC50K PT1000 Flame temperature Overheating sensor Glow Plug Brown Brown 0 5 Brown 1 0 Brown Brown Brown Brown 1 5...

Page 28: ...he timer control or rheostat control in place They are best installed so that they can be seen and operated easily to identify working conditions and also for easy access The black and clear plugs con...

Page 29: ...m Plug for Timer and Rotary Control Figure XXI Any surplus wires should be kept in good condition and wrapped in electric tape to avoid short circuiting 3 4 1 2 BLACK BLUE RED GRAY 3 4 1 2 BLUE WHITE...

Page 30: ...ol knob Figure XXIII The rheostat or rotary control works by twisting the control knob to the desired heat setting and using the buttons listed to determine the heaters function Variable output is sim...

Page 31: ...ting Icon 5 Down Arrow Key 6 Fixing Screw Hole Figure XXIV Functions Adjustable thermostatic mode from 5 C to 35 C Adjustable 7 step heating mode from 1kW to your heaters full output 24 hour countdown...

Page 32: ...te The dot in the upper right hand corner of the screen means the time was set successfully To cancel press the heating icon Pre setting Starting and Heating Times Step 1 Press the P key in the standb...

Page 33: ...ting mode will display the air inlet temperature or the remote temperature sensor probe s temperature if one is fitted Note The display will show 0 C if the temperature is lower than 0 C The display w...

Page 34: ...llation Fuel Priming Feature ATTENTION Not to be used in normal heater operation Disconnect the fuel line from the heater first to prevent flooding of the heater and place in a suitable receptacle To...

Page 35: ...gure XXV 1 LCD Screen a Days of the week 2 Left Arrow Button b Heating Symbol 3 Right Arrow Button c Fan Symbol later models only 4 Power Back Button d P Timer Symbol 5 OK Button e Clock Symbol 6 Fixi...

Page 36: ...ain 2 Navigate to the clock face symbol at the top of the control by using the arrow keys When it is flashing press both arrow keys simultaneously 3 P1 now appears 4 Press ok and C1 will appear 5 Keep...

Page 37: ...to confirm 4 Finally select the minutes in the same way 5 Once completed the control will return to the home screen displaying the correct time NOTE If the LCD digital timer is disconnected from the...

Page 38: ...ress ok 2 The heater will start automatically 3 Use the arrow keys to adjust the output of the heater from high to low 07 to 01 respectively 4 To switch the heater off simply press the heater button t...

Page 39: ...le output mode simply press and hold the ok button again for 3 seconds and then release it 4 To switch the heater off press the power button to return to the home screen Fan Mode The fan mode works in...

Page 40: ...on after the presetting is finished Press OK to confirm 4 Select the length of time you want the heater to run for by using the arrow keys L800 represents 800 minutes Run time can be selected from 50...

Page 41: ...es simply repeat all the steps but select 2 or 3 instead of 1 see step 2 to set those heating times NOTE To turn any of the preset times off without altering the set times simply go through to step 3...

Page 42: ...iming mode navigate to the clock face using the arrow keys and press both arrow keys simultaneously 2 P1 should appear on the screen 3 Select P2 by pressing any arrow key and confirm with OK 4 The fue...

Page 43: ...1 Check the error using the arrow keys Exit by pressing either OK or the power button 2 Press both arrow keys to display message dEL 3 Press OK to delete all errors or power to go back Once the displa...

Page 44: ...ce on the menu and simultaneously press both arrow buttons 2 P1 should appears on the screen 3 Using the left arrow key select 01 confirm by clicking the OK button 4 The control should now be reset to...

Page 45: ...xternals of the heater Check for corrosion or loose connections of circuits and connectors Check the combustion air inlet and exhaust pipe for damage and or clogs Check the fuel line for leaks and kin...

Page 46: ...er of long flashes Number of Long Flashes Cause of Problem 1 Failure of second start 2 Termination of the third time of combustion 3 Voltage power out of specified range 4 Glow plug temperature increa...

Page 47: ...Check fuel supply blocked supply or fuel pump 1E 30 Voltage too high 1E 31 Voltage too low check battery or voltage drop in supply cable 1E 52 Overheat sensor failure 1E 70 Fuel pump open circuit or...

Page 48: ...44 0 23 8052 2345 48 MV Heating UK Ltd...

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