: The unit can be used solely as a fan without engaging the burner. Safety Warnings

: The unit should be secured on an even surface (unevenness < 1mm) using the provided gasket. Always replace the gasket if the heater is reinstalled. Operating Instructions

: The control unit activates the glow plug to heat the combustion chamber. Once the porous structure is hot, fuel and air are introduced. Once the flame sensor detects stable combustion, the glow plug is deactivated. Operating Modes :

The 4D-24 is characterized by its high thermal output and efficient fuel consumption. Specification Heating Power 1.5 kW (Min) – 4.0 kW (Max) Fuel Consumption 0.19 L/h (Min) – 0.50 L/h (Max) Air Flow Rate 60 m³/h (Min) – 140 m³/h (Max) Power Consumption 18 W (Min) – 40 W (Max); 100 W during startup Fuel Type Diesel (GOST 305) Installation Requirements Proper installation is critical for safety and longevity.

: Operates at a constant user-selected power level.

: The exhaust pipe must lead outside the vehicle. A 10mm longitudinal slit should be made at the connection point for a tighter seal with the heater’s nozzle.