I. Introduction
This manual provides installation instructions, operation guidelines, and maintenance information for the VEVOR Air Heater models KW 2.0, 5.0, and 8.0 (XL-AIRD3, XL-AIRD5).
1. Application Fields of Heater
The air heater is designed for installation in various vehicles and environments where heating is required, and is not affected by the engine. It is suitable for:
- Various types of automobiles and trailers
- Construction machinery
- Agricultural machinery
- Ships and boats
- RVs
2. Purpose of Heater
The primary purposes of the heater include:
- Preheating and defrosting the glass
- Heating and insulating specific areas such as:
- Cab, working cabin, ship cabin
- Cargo warehouse
- Personnel or team carriers
- RVs
3. Prohibited Use Cases
The heater is not suitable for the following applications:
- Long-time and continuous heating in living rooms, garages, or home ships.
- Direct heating for living beings (people or animals) in IV direct heating mode.
- Blowing hot air directly into containers without proper ventilation.
4. Installation and Operation Safety Instructions
- Setting of Heater: Prevent the heater from high temperature or damages.
- Exhaust Gas System: Ensure the exhaust gas outlet does not direct into the vehicle's ventilation system, hot air inlet, or windows.
- Air Inlet of Combustion Air: Do not draw combustion air from the passenger compartment. Ensure the air inlet is not blocked.
- Inlet of Heating Air: The heating air should be fresh or recycled air drawn from a clean area. The inlet pipeline should be protected with a safety fence.
- Outlet of Heating Air: Ensure the hot air pipeline is placed in a location where it cannot be contacted by personnel or materials, preventing damage.
- Exhaust System: When placing the exhaust pipe, ensure the outlet avoids combustible materials and prevents heating or burning of the ground or cargo.
Safety Instructions for Installation and Operation
The following actions are prohibited:
- Modifying key parts of the heater.
- Using parts from other manufacturers without company permission.
- Operating or installing the heater contrary to the specifications in this manual.
- Using non-original accessories and fittings.
- Operating the heater in areas where flammable vapor or dust may be present (e.g., fuel depots, carbon storage warehouses, wood material warehouses, granaries).
Fueling: The heater must be turned off when fueling. If fuel leaks from the heating equipment, it must be returned for maintenance. Do not stop the heater by powering it off during operation.
II. Product Information
1. Complete Sets of Equipment and Installation Components of Heater
III. Installation
1. Installation Position
Fasten the heater securely on the vehicle's bottom or wall using four screws. Ensure sufficient space is reserved around the air inlet and for dismantling the ignition plug and controller.
- Within the truck: Positions include front of co-pilot, between driver's seat and co-pilot seat, under the undersurface, under the back seat, and in the luggage compartment.
- Within the RV: Positions include room or luggage, or fastened on the vehicle bottom (protected from water spraying).
- In car/large car: Positions include foot of co-pilot, back wall of driving cab, back of driver's seat, in the toolkit, and in the luggage.
- In the driving cab of excavator: Positions include the box at the driver's seat, back wall of driving cab, and in a protection case. If fastening under the vehicle, protect from water spraying.
2. Installation Angle and Fastening
The heater should be installed at a normal angle. It may incline up to 30° (downward flow) or rotate 90° around the long axis depending on installation conditions. The ignition plug should be upward.
Assembly and Fastening: The mounting face of the heater legs should be flat. Ensure adequate space between the heater and the vehicle bottom. Check that ventilation wheels operate freely. The assembly surface should be flat, and a sealing gasket should be used. The vehicle wall should be flat, and a reinforcement plate may be used if necessary. Secure with spring sheets and M6 hexagon nuts.
3. Installation of Combustion Air Duct and Exhausting Device
Guiding Device of Combustion Air: Use the provided flexible combustion air hose (inner diameter 25mm). The length can be adjusted (30cm to 1m). Fasten with a hose clamp and secure the other end to prevent shaking.
- Ensure the combustion air duct orifice is unblocked.
- Prevent waste gas from being used as combustion air.
- The suction inlet should not align with the driving direction.
Exhausting Device: Use the provided exhaust pipe (inner diameter 24mm). Length can be adjusted (30cm to 1m). Fasten with a hose clamp and support.
- The exhaust pipe opening should not be blocked by dirt or snow.
- The opening should not direct towards the driving direction.
Safety Instructions for Exhausting Device
- All parts of the waste gas exhaust device will be hot during operation.
- The outlet of exhaust air must be placed outside the vehicle.
- The waste pipe should not extend beyond the vehicle's boundary.
- The exhaust pipe should be placed downward to facilitate condensate discharge.
- Ensure sufficient spacing between the exhaust pipe and heat-sensitive components (fuel pipe, wires, brake hoses).
- Fasten the exhaust pipe stably (recommended spacing 50cm) to prevent vibration and damage.
- Do not use discharged waste gas as combustion air.
- Do not operate in areas where the exhaust guiding device is located during heating.
- After operation, close the heater and allow parts to cool before handling. Wear protective gloves if necessary.
- Do not inhale exhaust gas.
4. Installation Notes for Heating Air Duct
The installation components include a flexible pipe (diameter 75mm).
Safety Instructions
- Avoid direct contact with the heating air guide tube or hot air outlet due to high thermal radiation. Do not blow hot air onto humans, animals, or sensitive materials.
- The thermal air conduit will be hot during operation. Avoid contact. If access is required, turn off the heater and allow it to cool completely before wearing protective gloves.
- The heater and air conduit should not be trampled, covered, or pressed, as this can cause injury, fire, or damage.
Notes
- When placing the suction inlet of heating air, ensure waste gas from the engine/heater is not drawn in, and that heating air is not contaminated by dust or salt fog.
- When using circulating air, ensure heating air is not directly drawn in.
- Local thermal air temperature can reach 15°C, and surface temperature can reach 90°C before shutdown. Use the high-temperature air hose provided.
- After operating for about 10 minutes, the discharged heat air temperature at 30cm from the outlet should not exceed 110°C (with an air suction temperature of 20°C).
5. Fuel Supply
Installation Angle of Dose Oil: The nozzle should be upward. The installation angle should be greater than 15°, with 15°-35° preferred.
Connection of Oil Pipe: Connect the oil pipe to the heater oil nozzle, pump oil nozzle, oil taker, and T-shaped TEE oil nozzle. Ensure connections prevent air bubbles in the oil channel to avoid noise and combustion issues.
IV. Operation and Control Mode
1. Fuel Filling
After installing the heater, oil circuit, and electric circuit, use the fuel oil infilling function. Otherwise, the heater may fail to start due to lack of fuel.
Procedure:
- Connect the power line.
- Press the rocker switch 8 times continuously (1-second on, 1-second off).
- The heater will begin fuel oil heating procedures for 5 minutes, sending pulses to the fuel metering pump. The indicator will flicker, and a buzzer will beep.
- Monitor the fuel oil level. When it approaches the heater oil inlet (about 10cm), turn off the rocker switch.
Notes:
- The vertical height 'a' (oil pump below oil tank) should not exceed 3m.
- The vertical height 'b' (oil pump above oil tank) should not exceed 1m (for diesel oil).
- The vertical height 'c' (oil pump to heater, pump below heater) should not exceed 2m.
2. Control Mode
The heater offers different control modes. Refer to specific sections for detailed operation.
3. Circuit
1. Wiring of Heater
Electrical connections must comply with electromagnetic compatibility principles.
Safety Instructions
- Avoid damaging the power line insulation (abrasion, breakage, clamping, thermal influence).
- Use blind plugs for unoccupied waterproof plug cavities.
- Ensure electric connection and grounding are firm and corrosion-free.
Notes
- Keep wiring and switches away from overheating parts.
- Do not fix wiring to moving or vibrating components to prevent tensile failure.
- Do not lengthen positive and negative electrodes without permission.
V. Fault, Maintenance and Service
1. Maintenance Instructions
- In summer or months when the heater is not used, start it for 10 minutes periodically.
- Perform a pilot run before the main using period.
- If dense smoke, abnormal combustion noise, fuel smell, or overheating occurs, close the heater immediately.
- Remove the fuse and seek advice from the installation company for inspection.
2. Service
For technical problems or equipment malfunctions, contact the sales installers promptly.
Fault and Handling
The heater may fail to start or operate abnormally. The following table outlines common issues and solutions.
| Fault | Cause of Failure | Solutions | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| The heater cannot start upon startup: Shutdown, Restart after shutdown. | The heater still does not start, the following should be checked: |
| ||||||||||||||
| The heater is likely to be out of order when the heater is used abnormally. The general using conditions, faults and disposing methods will be listed below. |
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| Please contact with the sales persons or manufacturers when the heater still fails to be normally started or steadily operated on the premise that the foregoing contents are normal. |
Note: Supposing that the heater is changed by others or due to unknown installed components, or the heater is destroyed without normal operation due to artificial factors, customers will lose the power to ask manufacturers for repairing.
3. After-sales Warranty
Dealer: [Dealer Name]
User's name: [User Name]
Contact No.: [Contact Number]
Date: MM/DD/YY
VI. Fault Code Description
The following table describes fault codes displayed on the digital panel and their corresponding solutions.
| Machine fault | Status display (LCD/Digital Panel) | Solution |
|---|---|---|
| Undervoltage power source | E-01 | Raise the power supply voltage. |
| Overvoltage power source | E-02 | Reduce the power supply voltage. |
| Ignition plug fault | E-03 | Check whether the ignition plug is open-circuit or short-circuit. |
| Oil pump fault | E-04 | Check whether the oil pump is disconnected or short-circuit. |
| Machine overheat | E-05 | Check the temperature sensor on the shell, or check whether the fan revolution speed is abnormal. |
| Motor fault | E-06 | Check the polarity of the magnet and the position of the Hall sensor. |
| Disconnection fault | E-07 | Check the connecting plug to the panel, and verify whether the connection of the blue communication line is abnormal. |
| Flame extinguishment | E-08 | Check whether the oil circuit has air or blockage, check whether the shell temperature sensor is malfunctioning, or whether the contact of the socket terminal is abnormal. |
Note: The table contents apply to digital panels. Faults for panels with remote control functions are identical, but the display mode may differ (e.g., blinking indicators).
Rotary Knob Panel Instructions
Introduction of keys:
- ON: Startup
- OFF: Shutdown
- Rotary knob: Temperature adjustment and wind speed control.
Lighting instructions:
The lighting below the ON/OFF key helps visibility in dark environments. The outer lights of the rotary knob indicate temperature value and failure state.
Key function introduction
- ON: Press gently when working voltage is satisfactory.
- OFF: Press gently when the machine is in working state.
- Rotary knob: Clockwise rotation increases temperature (red indicators increase). Anti-clockwise rotation decreases temperature (red indicators decrease).
Fuel Filling by Hands
With the rotary knob clockwise under OFF state until red indicators are on, press the OFF button for over 3 seconds to start manual oil pumping. Press OFF gently to stop when air is removed from the oil circuit.
Fault state description
| Machine fault | State display | Treatment method |
|---|---|---|
| Under-voltage of power supply | 1 indicator flickers. | Boost the voltage of power supply. |
| Overvoltage of power supply | 2 indicators flicker. | Reduce the voltage of power supply. |
| The ignition plug is out of order. | 3 indicators flicker. | Check whether the ignition plug has suffered from open circuit or short circuit. |
| Oil pump fault | 4 indicators flicker. | Check whether the oil pump has suffered from broken line or short circuit. |
| The machine is overheating. | 5 indicators flicker. | Check the temperature sensor on the shell or whether the fan has the abnormal rotation speed. |
| Motor fault | 6 indicators flicker. | Check the magnet polarity, the Hall sensor location or the looseness conditions of wiring terminal. |
12V-24V Common Digital Panel Operation Instruction
1. Indicators
- Status: Permanently on upon startup, blinking upon initialization of shutdown, off upon completion of shutdown.
- Time: Permanently on when displaying time or setting timed startup/shutdown, off under other statuses.
- Voltage: Permanently on when displaying voltage or setting parameters in relation to voltage, off under other statuses.
- Temperature: Permanently on when displaying ambient temperature or setting operating temperature, off under other statuses.
2. Key Function
- ▲: Under setting status, raises parameter. Under non-setting status, raises operating temperature.
- Set: Enters setting status to adjust parameters and change machine operating status.
- On/Off: Short press to start up (status indicator permanently on). Long press for 2 sec to shut down (status indicator blinking).
- OK: Under setting status, confirms current setting and proceeds to next parameter. Under non-setting status, views machine status.
- ▼: Under setting status, reduces parameter. Under non-setting status, reduces operating temperature.
Description of Setting Parameters (Press the Set Key to Enter)
| # | Parameter | Description |
|---|---|---|
| 1. | Time setting | Use up/down keys to adjust parameter. Press OK key to consecutively set Hour (24-hour system) and Minute, then press OK key to proceed to next parameter. |
| 2. | Timed startup and shutdown setting | Defaults to OFF. Press up arrow key to activate ON (displays 1-ON). Press OK key to consecutively set startup/shutdown time values (hour and minute) for the first and second groups, then press OK key to proceed. |
| 3. | Pump oil volume setting | Press up/down arrow keys to modify minimum pump volume. Press OK key when required value is set. For maximum pump oil volume, use up/down keys to modify and press OK key to proceed. |
| 4. | Fan revolution speed setting | Press up/down arrow keys to modify minimum fan revolution speed. Press OK key when required value is set. For maximum fan revolution speed, use up/down keys to modify and press OK key to proceed. |
| 5. | Operating voltage setting | Main board operating voltage adjustable only under shutdown status. Press up/down arrow keys to switch between 12V (U-12) and 24V (U-24) systems. Before startup, ensure oil pump, motor, and ignition plug are compatible. |
| 6. | Revolution speed signal selection | Press up/down arrow keys to set speed signal. Select 1 if the vane wheel has two magnets with opposite polarity or one magnet. Select 2 if two magnets have the same polarity. Incorrect selection may cause 1-fold speed error. |
| 7. | Admin password modification | Defaults to OFF status. Press OK to skip modification. Press up arrow key to enter modification status (ON), then input a 4-digit password and press OK to save. |
Description of Machine Status Query
Under non-setting status, press the OK key to view cyclically:
- Time display
- Ambient temperature display
- Set temperature display (automatic control) / set pump oil volume display (manual control)
- Historical fault code display
- Power supply voltage display
Manual Fuel Filling Description
Under non-setting status, press and hold the down arrow key, then press OK key simultaneously to enter manual oil pumping interface. If H-OF is displayed, release OK, then down arrow. Press up arrow key to activate H-ON; you will hear oil pumping noise. Press down arrow or Set key to deactivate.
Timed Startup/Shutdown Description
After setting run time, press OK key to enter timed startup/shutdown setting. Defaults to OFF. Press up arrow to activate ON. Set hour/minute values for startup, then for shutdown. Can set two groups of values. Timing function is performed once per setting and requires reactivation.
Temperature Control Mode Switchover Description
Under non-setting status, press and hold up arrow key, then press Set key simultaneously. Panel displays P-xx (pump oil volume) for manual control, or xx °C (temperature) for automatic control. Automatic mode allows reaching maximum set pump oil volume for higher heat; manual mode limits pump oil volume to current setting for controlled heat.
Instructions on the LCD panel
Warnings:
- The fixed backboard must be sealed from vehicle sheet metal during installation to prevent injury from combustion gas.
- Exhaust pipe length must be at least 30cm.
- Exhaust gas outlet must be placed in an empty space.
- Exhaust pipe outlet must not face the driving direction.
Recommendations: Apply sealant to block installation gaps.
Instructions for Use of 12V-24V General LCD Panel
1. Button function
- ◄: In setting state, increase parameter; in non-setting state, increase working temperature or oil mass.
- On/Off: Short press to start up (displays ), long press 3 seconds to shut down (displays ).
- ►: In setting state, decrease parameter; in non-setting state, decrease working temperature or oil mass.
- Set: Enter setting state, adjust parameters, change working status.
- Confirm: In setting state, confirm current value and enter next parameter. In non-setting state, view machine state.
2. Query machine status (keep short press of the Confirm button to switch one state at a time to make it display cyclically)
- Time display
- Ambient temperature display
- Setting temperature display (automatic control) / setting oil mass display (Manual control)
- Supply voltage display
- History fault code display
- Altitude display
3. Description of fuel filling in manual mode
Under shutdown state, press down-regulation button and On/Off button simultaneously to conduct fuel filling manually (displays ). After releasing, press up-regulation button (displays ), oil pump starts. Listen for pump working and watch oil pump icon. Press down-regulation button to display , exit fuel filling. Monitor air evacuation; stop when oil reaches inlet. Excessive oil may cause black smoke.
4. Description of temperature control mode switching
Press up-regulation button and On/Off button simultaneously. Manual mode displays oil mass (t); automatic mode displays temperature. Automatic mode allows maximum pump oil amount for higher heat; manual mode limits pump oil to current setting.
5. Description of remote control code matching
In shutdown state, long press down-regulation button on LCD panel. Press power button and confirm button on remote simultaneously. Remote control and switch enter matching process. Success exits to normal parameters. Failure results in no start-up state. Timeout exits if no remote control code is received.
6. Description of parameter setting procedure (press Set button to enter setting state)
1. Time setting
Press up/down buttons to adjust parameters. Set hour (24-hour system) and minute, then press Confirm to enter the next item.
2. Timed start-up setting
Defaults to Closed (displays ). Press up-regulation button to start up (displays ), then press Confirm button to enter. Set hours and minutes for timing (countdown, max 99 min 59 sec).
3. Timed shutdown setting
Defaults to Closed (displays ). Press up-regulation button to start up (displays ), then press Confirm button to enter. Set hours and minutes for timing (countdown, max 99 min 59 sec).
4. Setting of pump oil amount
Press up/down buttons to modify minimum pump oil amount. Press Confirm to enter maximum oil mass setting. Press up/down buttons to modify maximum pump oil amount, then press Confirm to enter the next item.
5. Fan speed setting
Press up/down buttons to modify minimum fan speed. Press Confirm to enter maximum speed setting. Press up/down buttons to modify maximum fan speed, then press Confirm to enter the next item.
6. Operating voltage setting
Main board operating voltage adjustable under shutdown state. Press up/down buttons to switch between 12V ( ) and 24V ( ) systems. Check compatibility of oil pump, motor, and ignition plug before startup.
7. Selection of speed signal
Press up/down buttons to set speed signal. Select 1 for two magnets with opposite polarity or one magnet. Select 2 for two magnets with same polarity. Incorrect selection causes 1-fold speed error.
8. Selection of ignition power
When displays , press up/down buttons to modify numbers (135W, 240W, 345W, 480W, 585W, 690W). Default is 5. Recommended to use default values or modify after verification.
9. Administrative password modification
Displays . Press Confirm to skip and save. Press up-regulation button to modify, then press Confirm to enter password modification state. Press up/down buttons to adjust. Enter 4-digit password correctly, press Confirm for next digit. Save new password and adjusted parameters to exit.
Precautions: For clock time, set timing and it takes effect immediately. After setting all parameters including admin password, press Confirm until item 9 to exit and save. Quitting midway loses data. Check new password carefully.
Instructions for use of 12V-24V General LCD Panel
1. Button function
- ◄: In setting state, increase parameter; in non-setting state, increase working temperature or oil mass.
- On/Off: Short press to start up (displays ), long press 3 seconds to shut down (displays ).
- ►: In setting state, decrease parameter; in non-setting state, decrease working temperature or oil mass.
- Set: Enter setting state, adjust parameters, change working status.
- Confirm: In setting state, confirm current value and enter next parameter. In non-setting state, view machine state.
2. Query machine status (keep short press of the Confirm button to switch one state at a time to make it display cyclically)
- Time display
- Ambient temperature display
- Setting temperature display (automatic control) / setting oil mass display (Manual control)
- Supply voltage display
- History fault code display
- Altitude display
3. Description of fuel filling in manual mode
Under shutdown state, press down-regulation button and setting button simultaneously to conduct fuel filling manually (displays ). After releasing, press up-regulation button (displays ), oil pump starts. Listen for pump working and watch oil pump icon. Press down-regulation button to display , exit fuel filling. Monitor air evacuation; stop when oil reaches inlet. Excessive oil may cause black smoke.
4. Description of temperature control mode switching
Press the up-regulation button and confirm button simultaneously. Manual mode displays oil mass (t); automatic mode displays temperature. Automatic mode allows maximum pump oil amount for higher heat; manual mode limits pump oil to current setting.
5. Description of remote control code matching
In shutdown state, press power button and confirm button simultaneously on remote control first. On LCD panel, long press up-regulation and down-regulation buttons. When HFR is shown, it enters remote control code matching interface. Upon success, it exits to normal working parameters. Failure means it won't enter normal state. Code matching state exits automatically if no remote control code is received over time.
6. Description of parameter setting procedure (press setting button to enter setting state)
1. Time setting
Press up/down buttons to adjust parameters. Set hour (24-hour system) and minute, then press Confirm to enter the next item.
2. Timed start-up setting
Defaults to Closed (displays ). Press up-regulation button to start up (displays ), then press Confirm button to enter. Set hours and minutes for timing (countdown, max 99 min 59 sec).
3. Timed shutdown setting
Defaults to Closed (displays ). Press up-regulation button to start up (displays ), then press Confirm button to enter. Set hours and minutes for timing (countdown, max 99 min 59 sec).
4. Setting of pump oil amount
Press up/down buttons to modify minimum pump oil amount. Press Confirm to enter maximum oil mass setting. Press up/down buttons to modify maximum pump oil amount, then press Confirm to enter the next item.
5. Fan speed setting
Press up/down buttons to modify minimum fan speed. Press Confirm to enter maximum speed setting. Press up/down buttons to modify maximum fan speed, then press Confirm to enter the next item.
6. Operating voltage setting
Main board operating voltage adjustable under shutdown state. Press up/down buttons to switch between 12V ( ) and 24V ( ) systems. Check compatibility of oil pump, motor, and ignition plug before startup.
7. Selection of speed signal
Press up/down buttons to set speed signal. Select 1 for two magnets with opposite polarity or one magnet. Select 2 for two magnets with same polarity. Incorrect selection causes 1-fold speed error.
8. Selection of ignition power
When displays , press up/down buttons to modify numbers (135W, 240W, 345W, 480W, 585W, 690W). Default is 5. Recommended to use default values or modify after verification.
9. Administrative password modification
Displays . Press Confirm to skip and save. Press up-regulation button to modify, then press Confirm to enter password modification state. Press up/down buttons to adjust. Enter 4-digit password correctly, press Confirm for next digit. Save new password and adjusted parameters to exit.
Precautions: For clock time, set timing and it takes effect immediately. After setting all parameters including admin password, press Confirm until item 9 to exit and save. Quitting midway loses data. Check new password carefully.
2018 Main Board Fault Code Description
The following table describes fault codes displayed on the digital panel and their corresponding solutions.
| Machine fault | LCD panel display | Digital panel display | Handling method |
|---|---|---|---|
| Power supply under voltage | E-01 | 1 indicator light flash. | Boost supply voltage. |
| Power supply with over pressure | E-02 | 2 indicator lights flash. | Reduce supply voltage. |
| Ignition plug fault | E-03 | 3 indicator lights flash. | Check whether the ignition plug is in open circuit or short circuit. |
| Oil pump fault | E-04 | 4 indicator lights flash. | Check whether the oil pump is disconnected or short-circuit. |
| The machine is overheating. | E-05 | 5 indicator lights flash. | Check the temperature sensor on the shell or whether the fan has the abnormal rotation speed. |
| Motor fault | E-06 | 6 indicator lights flash. | Check the polarity of the magnet and the Hall sensor location or the looseness conditions of wiring terminal. |
| Broken connection fault | E-07 | 7 indicator lights flash. | Check the connecting plug of the panel, and whether the blue harness connection has become loose or disconnected. |
| The flame is extinguished. | E-08 | 8 indicator lights flash. | Check whether the oil circuit has air or blockage, check whether the shell temperature sensor is malfunctioning, or whether the contact of the socket terminal is abnormal. |
Note: The LCD panel fault display shows graphics and numbers simultaneously; the numeral number is the same as the digital panel content.
Bi-directional Remote Control Operation Instructions
1. Operation instruction of buttons
- OK: Startup/shutdown (press and hold for 2 seconds to turn on, or turn off). View host working status.
- Confirm button: View host working status.
- Up-regulation button: Increase the oil mass or temperature according to the temperature control method.
- Down-regulation button: Decrease the oil mass or temperature according to the temperature control method.
2. Remote control pairing operation
In shutdown state, long press the down-regulation button on the LCD panel that needs to be paired. When is shown, it enters the remote control code matching interface. Then press the power button and confirm button on the remote control simultaneously. The text "waiting matching remote control" appears. The remote control and switch enter the automatic matching process. After successful code matching, it automatically exits the code interface and displays normal working parameters. If code matching fails, it will not enter the normal state. The code matching state will be automatically exited if no remote control code is received over time.
3. Temperature control mode switching
When the temperature control mode is selected by remote control, press up-regulation and down-regulation buttons simultaneously. It displays temperature for automatic temperature control, and oil mass for manual temperature control.
4. Working status adjustment
Adjust working status anytime via remote control.
- Up-regulation button: Increase pump oil amount (manual control) or raise setting temperature to increase output temperature.
- Down-regulation button: Decrease pump oil amount (manual control) or reduce setting temperature to decrease output temperature.
Instructions for use of bi-directional remote control receiving
Introduction of buttons:
- On/Off: Long press On/Off.
Lighting instructions:
Light under the switch button indicates start-up; flashing indicates a fault.
Introduction of button functions
- Start-up: When operating voltage meets conditions, press ON/OFF for a long time.
Fuel filling in manual mode
In shutdown state, press On/Off button 5 times continuously and quickly for manual oil pumping. Press On/Off gently to stop when air is removed. Observe to avoid excessive fuel and black smoke.
Remote control pairing
In start-up state, press On/Off button 5 times continuously and quickly. Indicator light flashing means pairing waiting state. Press power button and setting button on remote simultaneously for pairing. Wait for auto-completion.
Fault state description
| Machine fault | State display | Handling method |
|---|---|---|
| Power supply under voltage | The indicator light flashes 1 time. | Boost supply voltage. |
| Power supply with over pressure | The indicator light flashes 2 times. | Reduce supply voltage. |
| Ignition plug fault | The indicator light flashes 3 times. | Check whether the ignition plug is in open circuit or short circuit. |
| Oil pump fault | The indicator light flashes 4 times. | Check whether the oil pump has suffered from broken line or short circuit. |
| The machine is overheating. | The indicator light flashes 5 times. | Check the temperature sensor on the shell or whether the fan has the abnormal rotation speed. |
| Motor fault | The indicator light flashes 6 times. | Check the magnet polarity, the Hall sensor location or the looseness conditions of wiring terminal. |
| Broken connection fault | The indicator light flashes 7 times. | Check the connecting plug of the panel, and whether the blue harness connection has become loose or disconnected. |
| The flame is extinguished. | The indicator light flashes 8 times. | Check whether the oil circuit has air or blockage, check whether there is fault on temperature sensor on the shell or whether the connector terminal has become loose. |
| Sensor fault | The indicator light flashes 9 times. | Check whether the sensor plug is loose, broken, or in short circuit. |
| Failure in ignition | The indicator light flashes 10 times. | Check whether the oil circuit is blocked, or the oil transportation is not smooth, the oil pump is stuck, the volatilization net is blocked due to the oil product problem, and other reasons that cause that 2 ignition fails to burn normally. |
Operation instructions for parking heater
- the control panel is shown below
1, overshift key; 2, on/off key; 3, downshift key; 4, setting key; 5, deterministic key; 6, work status symbol; 7, display ambient temperature; 8, timing symbol; 9, plateau symbol; 10, fault symbol; 11, display data parameters; 12, host schematic
二、use operation
1. switching operation
1) boot-up operation: In shutdown state, long press "o" key for 2 seconds, equipment starts up, displays boot status.
2) shutdown operation: On-state, long press "o" key for 2 seconds, equipment enters blow-off cooling process, displays "O". Turn off equipment after cooling. Do not force power off during cooling to prevent damage from high temperature.
3) manual mode operation: Manual mode has six gears (H1-H6), H6 being maximum power. Shows current gear. Add or subtract gears by "+" or "-" buttons.
4) automatic mode operation: Shows setting of 20 degrees Celsius. Add or subtract temperature values by "+" or "-". Setting range 5-30 degrees Celsius. Switch manual/automatic mode by long pressing "*" keyboard.
2. manual oiling operation
In shutdown state, press "*" and "▲" keys for two seconds simultaneously for manual oil pumping. Release key to stop oiling. Use cautiously.
3. plateau model operation
Press "*" and "OK" keys for 2 seconds to enter plateau mode. "M" displays start plateau mode. Press "*" and "OK" keys for two seconds to exit plateau mode simultaneously. Use cautiously.
4. setting timing switch time operation
Press "OK" and "*" keys for two seconds to enter timing setup interface. Tab "L" flickers, showing time. If it displays OFF, it means setting a timed shutdown time.
- Press "◄" or "►" key to adjust time value (range: 1-24 hours).
- Short press "o" key to switch digital bits.
- Short press "*" key to switch Timed Start-up and Timed Shut-down Time value.
- Short press "OK" key to save settings and exit.
- Press "*" key for 2 seconds to exit without saving.
Fault table
| Fault code | Cause of failure | Solutions |
|---|---|---|
| E-2 | Power supply voltage range (Normal range: 24V (18-32V), 12V (9-16V)) | Check whether the battery or generator is normal and whether the fuse is aging. |
| E-3 | Ignition plug failure | 1) Check whether the ignition plug connector is loose or the wire is short-circuited to the housing. 2) Detect whether the ignition plug is damaged. |
| E-4 | Oil Pump Failure | Check for damage, loosening, oxidation, short circuit and breaking of oil pump connections and connectors. |
| E-5 | High temperature alarm (intake > 50 C; case > 230 C) | 1) Check whether the heating duct is unobstructed. 2) Check whether the fan is working properly. 3) Check whether the temperature sensor is normal. |
| E-6 | Fault of Fan | 1) Check whether the impeller is stuck. 2) Check if the connection plug-in is loose. 3) Excessive gap between magnet on wind turbine and Hall sensor on controller. 4) Whether the line is short-circuit or open-circuit; leakage of motor. |
| E-8 | Flameout | 1) Check for oil shortage, low temperature solidification of oil, blockage of oil pipeline and blockage of oil pump. 2) Check whether the intake and exhaust ducts are unblocked. 3) Check whether the housing temperature sensor is in full contact with the housing and whether the pressure spring is strong. |
| Unsuccessful start | 1) The shell temperature is too high to blow the cooling shell for 3 minutes after starting. 2) There is a lot of white smoke in the exhaust gas. 2.1) Check that the filter beside the ignition plug is clean and not cleaned or replaced. 2.2) Check whether the fuel injection is effective. 2.3) Check whether the ignition plug is aging. 2.4) Is the clearance of the internal wind turbine too large? 2) A small amount of white smoke or no smoke in the exhaust gas. | |
| Sensor failure | E-9 | Whether the temperature sensor connectors and connectors are damaged or loosened, whether the sensor is damaged or not. |
code of use
- It is prohibited to use in high humidity, conductive dust, flammable and explosive gases, dust, materials, corrosive media, strong light, strong magnetic, high voltage and high current equipment nearby.
- Voltage range of power supply: DC24V controller is suitable for (18-32) V; DC12V controller is suitable for (9-16) V; different voltage controllers are not universal, and it is forbidden to use beyond the applicable voltage range.
- The 5KW controller must be used on the 5KW organism; the 2KW controller must be used on the 2KW organism.
- If the controller or external device is damaged, it must be replaced by the prototype device and professionals.
- It is forbidden to open the controller shell privately.
- Equipment must be installed strictly and must be used under safe conditions.
- The company is not responsible for the loss and liability of the controller due to misconnection, short circuit, and damage of external devices and lines.
- At high temperature of the body, the fan cannot operate, so it must be cooled quickly to make its temperature. Cooling air is injected from the combustion inlet to make the body temperature less than 100 °C. Prevent high temperature from burning parts or causing fire.
* Our company is not responsible for any loss or liability caused by failure to install and use according to Article 1 to 6.
