1. Product Overview
The Hcalory HC2S Diesel Parking Heater is a versatile and efficient heating solution designed for various applications including RVs, camping, boats, and homes. It features an 8KW power output, supports multiple voltage inputs (12V/24V DC, 110~240V AC), and incorporates advanced control methods for optimal comfort and energy efficiency.
Key Features:
- Energy Saving: Optimized aluminum body and algorithms reduce fuel consumption by 28%.
- Precise Temperature Control: Automatic start-stop function monitors ambient temperature and maintains a comfortable range without continuous full-load operation.
- Multiple Control Methods: Bluetooth APP, Remote Control, and LCD Panel for convenient operation.
- Smart APP Functions: Includes timer, thermostat control, temperature adjustment, automatic Start-Stop, Altitude Mode, Fan Mode, and Gear Setting.
- Dual-Altitude Mode: Optimized air-fuel ratio for full combustion in high-altitude conditions (2500m/5000m).
- Safety Protections: Short circuit, reverse connection, overvoltage, and overheat protection (≥270 °C/518 °F).
- Wide Application: Suitable for RVs, camping, carpentry houses, vans, and more.
Package Contents:
The package includes the main Air Diesel Heater unit and the following accessories:

- 1 x Air Diesel Heater (Host)
- 1 x Remote Control
- 1 x AC Power Adapter
- 1 x User Manual
- 1 x Wire Harness
- 1 x Exhaust Silencer
- 1 x Exhaust Pipe
- 1 x Intake Pipe
- 1 x Air Outlet Pipe
- 1 x Air Filter
- 1 x Vents
- 1 x Fixture Accessories Set
- 1 x Extension Cord (1.5m)
- 1 x Controller (LCD Switch)
2. Setup and Installation
Proper installation is crucial for the safe and efficient operation of your Hcalory HC2S Diesel Parking Heater. Please follow these steps carefully. For a visual guide, refer to the installation video below.
2.1. Extension Cord Installation (Optional)
If you need to install an extension cord for the control panel, follow these steps:
- Unscrew the side panel of the heater.
- Disconnect the existing control panel cable.
- Connect the 1.5m extension cord between the heater's internal connector and the control panel.
- Carefully route the extension cord and reattach the side panel.

2.2. Floor Mat Installation
Attach the floor mats to the bottom of the heater using the provided screws for stability.

2.3. Vent Elbow Pipe Installation
Secure the vent elbow pipe to the designated exhaust port on the heater using the provided clamps and screws.

2.4. Heater Air Inlet Installation
Connect the air inlet pipe to the heater's air intake, securing it with a clamp.

2.5. Intake Pipe Installation
Insert the intake pipe into its designated port on the heater, ensuring a snug fit.

2.6. Silencer Installation
Attach the silencer to the exhaust pipe and secure it with a clamp.

2.7. Vent Pipe Installation
Connect the vent pipe to the heater's exhaust outlet and tighten the clamp.

2.8. Heater Air Outlet Installation
Attach the air outlet pipe to the heater's air output port and secure it with a clamp.

2.9. Electrical Circuit Installation
Connect the AC power adapter to the heater's power input. For DC operation, connect the red wire to the positive terminal and the black wire to the negative/ground terminal of your 12V or 24V power source.

2.10. Fueling the Heater
Open the diesel tank cap and carefully pour diesel fuel into the 3.5L tank. Ensure not to overfill.


Safety Precaution:
During operation, keep flammable or explosive materials clear of the exhaust pipe area to prevent ignition of combustible materials and potential fire hazards.
3. Operating Instructions
Your Hcalory HC2S heater offers multiple ways to control its operation, ensuring convenience and precise temperature management.
3.1. Control Methods

- LCD Panel Control: Use the integrated LCD panel on the heater for direct control.
- Remote Control: Operate the heater wirelessly from a distance of up to 30 meters.
- Smart APP Control (Bluetooth): Connect via Bluetooth to your smartphone for control within a 10-meter range.
3.2. Temperature Control and Settings
The heater features precise temperature control to maintain your desired comfort level.

- 10 Gear Options: Adjust the heating intensity from H1 to HH10 to find your most comfortable temperature.
- Automatic Start-Stop: Set your target temperature, and the heater will automatically start and stop to maintain it, optimizing fuel consumption and comfort.

3.3. Smart APP Features
The dedicated smartphone application provides advanced control and monitoring capabilities:

- Altitude Mode: Switch between 2500m and 5000m modes for optimal performance at different elevations.
- Temperature Setting: Adjust the desired temperature.
- Multiple Timing Groups: Schedule heating times.
- Fan Mode: Control the fan speed.
- Gear Setting: Fine-tune heating gears.
- Auto Start-Stop: Enable or disable the automatic temperature maintenance feature.


4. Maintenance
Regular maintenance ensures the longevity and optimal performance of your diesel heater.
- Clean Air Filter: Periodically check and clean the air filter to ensure proper airflow and prevent dust buildup.
- Exhaust System Check: Inspect the exhaust pipe and silencer for any blockages, damage, or leaks. Ensure the area around the exhaust is clear of debris.
- Fuel System Inspection: Check fuel lines for leaks or damage. Ensure the fuel tank is clean and free of contaminants.
- General Cleaning: Keep the exterior of the heater clean and free from dust and dirt.
- Storage: When not in use for extended periods, ensure the fuel tank is empty or filled with fresh fuel and store the heater in a dry, safe place.
5. Troubleshooting
If you encounter issues with your Hcalory HC2S heater, refer to the following common troubleshooting tips. For persistent problems, contact customer support.
| Problem | Possible Cause | Solution |
|---|---|---|
| Heater does not start | No power, low fuel, clogged fuel line, faulty glow plug. | Check power connection, refill fuel tank, inspect and clean fuel line, check glow plug. |
| Insufficient heating | Incorrect temperature setting, dirty air filter, exhaust blockage, low power. | Increase temperature setting, clean air filter, check exhaust for blockages, ensure stable power supply. |
| Excessive smoke | Poor fuel quality, incorrect air-fuel mixture, clogged exhaust. | Use high-quality diesel, check altitude mode settings, clear exhaust. |
| Unusual noise | Loose components, fan obstruction, pump issue. | Inspect for loose parts, clear fan area, consult support if pump is suspected. |
| Remote/APP not working | Battery low, out of range, pairing issue. | Replace batteries, move closer to heater, re-pair device. |
6. Specifications
| Attribute | Detail |
|---|---|
| Brand Name | Hcalory |
| Model | HC2-S |
| Power | 8KW |
| Voltage | 12V / 24V DC / 110~240V AC |
| Material | Metal and Plastic |
| Fuel Tank Capacity (Built-in) | 3.5L |
| Fuel Type | Diesel |
| Item Dimensions (L x W x H) | 48cm x 21cm x 41cm |
| Item Weight | 9kg |
| Item Diameter | 7.5cm |
| External Testing Certification | CE |
| Operating Temperature | -40℃~40℃ (-40℉~104℉) |
| Bluetooth APP Control | Supported |
| Remote Control | Supported |
| LCD Panel Control | Supported |
| AC Adapter | Included (100~240V) |
| Plateau Mode Altitude Reference | 2500m/5000m |
| Diesel Consumption | 0.12 L/h - 0.45 L/h |
| Heating Area | 215 sq.ft. - 269 sq.ft. |
| Heating Efficiency | 18% increase |
| Fuel Saving | 18% |
7. User Tips
- Fuel Weight Consideration: When transporting the heater, be mindful of the increased weight once the 3.5L fuel tank is full.
- Power Verification: To confirm the heater's power output (e.g., 8KW), check the product label or the specifications section of this manual. If unsure, consult customer support.
- Ventilation: Always ensure adequate ventilation when operating the heater, especially in enclosed spaces, to prevent carbon monoxide buildup.
- Regular Fuel Checks: Monitor the fuel level regularly to avoid unexpected shutdowns, particularly during prolonged use.
- Altitude Mode: Remember to switch to the appropriate altitude mode (2500m or 5000m) when operating in high-altitude environments for optimal combustion and efficiency.
8. Warranty and Support
For warranty information, technical support, or any questions regarding your Hcalory HC2S Diesel Parking Heater, please contact the retailer or manufacturer's customer service. Keep your purchase receipt as proof of purchase.





