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Purpose and usability guideline

Band heaters
-101 12
-101 24

Flow-type in-line heaters
-101 12
-102 24
-201 12
-202 24
Flexible tape heaters
-1 12
-1 24

Heated fuel standpipes
-101 24
-102 24
-201 24
-202 24
-301 24
-302 24
Heated fuel standpipe nozzles
-101 12
-102 24
-201 12
-202 24

Fleetguard FuelPro FH230 and DieselPro FH232 systems
-101 12
-102 24
Mann-Hummel PreLine 270 and PreLine420 systems
-201 24
-202 24

Automated heating systems
-101 12
-201 24

Heated fuel standpipe nozzles -100 and -200 are developed for installation on regular vehicular fuel standpipes to ensure diesel fuel intake from the tank under low temperature conditions when the intake of the frozen and condensed fuel is impossible by standard fuel standpipes. Diesel fuel pre-heating and accordingly its viscosity reduction and dewaxing before engine starting are conducted by the nozzles electric heater operating on car battery (car system) power.

The nozzles -101 (102) and -201 (202) by ͙ have alternate designs for installation on the fuel in-line standpipes with the diameters of the fuel standpipe tubes in 10 and 12 mm under 12 and 24V operating supply voltage. The nozzles consist of a fuel slot-type filter, vibration-resistant fire- and explosion-proof posistor electric heater for the slotted filter and fuel nozzle heating, nozzle attachment device to the end of the fuel standpipe tube.

The nozzles are connected to the vehicular power-supply system with manual heating control or to the automatic heating control system -101 (201).
In the case of manual control a switch with indication is mounted in the cabin within visibility zone from the driver's seat. The switching-on of the heater is conducted by pressing the button of the switch.

The nozzles are designed for the fuel intake up to 420 liters per hour under the temperature from -40C to +45C;
The electric heater has 12V and 24V supply voltage and maintains operating capability at power-supply variation within the range of 75-125% of nominal voltage;
The warm-up time of the slotted filter and fuel in the standpipe tube with electric heater in the pre-starting period until the paraffin melting (dewaxing) temperature is less than 3-5 minutes;
Continuous fuel heating during engine operation is possible under low temperature conditions;
Depending on the operating mode S1, location in the automotive machinery and operating conditions nozzles have the group modification in accordance with the state technical requirements 3940 and climatic modification 2 in accordance with the state technical requirements 15150 at an ambient temperature from -40C up to +45C;
Protection rate of the enclosure contacting with the fuel inside the fuel tank is not less than IP68-level, outside the fuel tank (outer part) is not less than IP67-level in accordance with the state technical requirements 14254;
Mean time between failures is at least 3000 h, the service life is at least 5 years and the storage life is at least 2 years from the date of production and packaging.
Main technical specifications of the heated fuel standpipe nozzles
-101 (102), -201 (202) 100009933.009-2009
Description Model
-101 -102 -201 -202
DC power-supply voltage, V 12 24 12 24
Inlet electric heater resistance, Ohm 2,2 4,7 1,1 3,5
Maximum starting current, , not more 10 7,5 15 10
Nominal electric power, W 70 100 120 150
Maximum diesel fuel consumption, l/h 420
Operating temperature range, climatic modification -40 +45 , 2
Minimal diameter of fuel tank bore for installation of a fuel standpipe with nozzle, mm 39,0
Fuel standpipe tube diameter, mm 10, 12*
Loaded weight, kg, not more 0,13 0,18
Frame material Aluminum alloy Aluminum alloy, heat-resistant and petrol-proof plastics
Heating control Manual, automatic with the connection to the
Operation mode Temporary (5-10 minutes from the battery), continuous from vehicle generator

The delivery set includes:
packed nozzle, wiring kit for connection to the power-supply system or to the , certificate, installation and maintenance manual.

Ordering model designation:

Heated fuel in-line standpipe nozzle
™ -201/12-1 24 100009933.009-2009

where -2 model designation;
01 modification number;
/12 fuel standpipe tube diameter 10 or 12, mm;
- 1 wiring kit for manual control,
or -2 wiring kit for connection to the ;
24 power-supply system voltage, V



Fig. 1. Nozzle assembly on the fuel standpipe

Fig. 2. Single-line schematic electrical diagram of fuel standpipe connection (switch with indication)

Fig. 3. F Single-line schematic electrical diagram of fuel standpipe connection (switch without indication)

Fig. 4 . Double-line schematic electrical diagram of fuel standpipe connection (switch with indication)

Fig. 5. Double-line schematic electrical diagram of fuel standpipe connection (switch without indication)

Fig. 6. Bore for switch mounting

Literal wire marking interpretation:
r () - red or brown
b(p) (()) - blue or purple
y () - yellow or orange
d () - dark grey
y/b (r/b) (/ (/)) - yellow-black or red-black
1 - Posistor heater .
FU1 - Fuse 15
1 - Relay
SA1 - Switch with indication
R1 - Resistor
1 - Plug connection

  • The nozzle is mounted to the standard fuel standpipe tube installed vertically in the fuel tank.

  • At the nozzle assembly on the standard fuel standpipe with a gasket of 1 mm in thickness its standpipe tube should be shortened by 4 mm for the purpose to maintain the depth of immersion into the fuel tank. In this case instead of regular gaskets two supplied pads with grooves are installed in such a position that they form a circular channel for the wires.

  • The nozzle assembly on the fuel standpipe is performed using wired and fixing arrangements of the delivery kit. Before nozzle assembly put insulation tube on the fuel standpipe tube, and thereafter set the nozzle on the same tube until bumping, secure it with two locking screws as shown in Figure 1. At the screws tightening it is required to install their splines in parallel with nozzles circular slots. For the locking screws fixation from self-unfastening set nozzles locking ring into the circular slot. If at the starting ignition the heater is not turned off by pressing the button it automatically shuts off in 10 minutes. Pass the wires through the channels in the rubber gaskets as shown in Figure 1. The wire length from the gasket edge to the male connector should be approximately 150 mm. The wire surplus wrap around the fuel standpipe tube over the insulation tube. Attach the wires with clampbands. The wire fixation to a metal pipe is implemented at insulation tubes location sites. Then attach the fuel in-line standpipe on the tank.

  • WARNING! At wire fixating stress application breaking them away from the nozzle is prohibited.

  • The nozzle connection to the vehicular power-supply system is conducted according to the single-line schematic electrical diagram (see Fig. 2 and Fig. 3) using the wiring kit (wire color marking is shown in the diagram). In this case the wires, connected with the negative pole of the power-supply system, are connected to the vehicle body (cabin, frame, etc.) very close to the connected nodes. The switch and LED with holder are mounted in a convenient for the driver point on the dashboard (bore dimensions for switch mounting are shown in Figure 6 and Ø6,5 mm holes are drilled for the LED holder installation). The relay and fuse are fixed under the cover on the dashboard. The wire from the nozzles connection plug to the cabin is laid along the existing wiring harness and fixed thereto by clampbands. The custom-made nozzles may be connected to the power-supply system according to the double-line schematic electrical diagram (see Fig. 4. or Fig. 5).