If required, the flame pipe can be removed from the heat exchanger. The control unit and electric motor are attached under the burner hood on the burner flange. The fuel pump forms an integral part of the burner casing. If the temperature rises too quickly because the water flow rate is insufficient , the heater will automatically switch itself off and the delayed shutoff will commence, following which the cycle starts up again.
This will ensure that the heater and water pump are automatically ventilated. Other installation positions are also permitted as long as they comply with the installation requirements stated in these Installation Instructions. When choosing where to install the heater, care must be taken to ensure that there is sufficient space to disassemble the hood mm and the flame pipe mm.
All openings towards the outside must be splash-proof. For this purpose 3 year numbers are printed on the appropriate area of the rating plate. The applicable year must be indicated by removing the years which are not applicable. If this is not the case, a duplicate containing the same information as the original rating plate can be attached. The duplicate is affixed to the hood in a manner which enables it to be taken off. It is recommended that a hood with a hose connection is mounted for the combustion air intake.
The combustion air is then drawn in outside of the case via a flexible hose. In this way it is possible for the combustion air to be drawn from an area where the temperature is within the permitted range and protection is provided against dirt accumulation. Place a protective grille on the flexible hose. Factory no. To do this, transfer the 4 fastening holes and the through-hole for the exhaust outlet - as shown in the diagram - to the mounting surface and drill.
Compact model - must be installed in level position with the deviations shown in the diagram. Transfer the four fastening holes for the water pump holder to the mounting surface - as shown in the diagram - and drill. Attach the water pump to the vehicle with the holder. Bus water pump Principal measurements and permissible installation positions Delivery curve Template for holes Delivery curve Drawing 11 Please note!
Drain holes are permitted. These must convey the fluid through the interior in sealed pipes to the outside. Danger of combustion and poisoning! Fitting exhaust gas piping The exhaust gas piping can be laid out as shown below. Mount an end sleeve with crossbars on the exhaust pipe. The exhaust gas piping can be bent a max. To enable the condensate to flow out, drill a hole 5 mm dia. If required, these exhaust pipes must be obtained from a specialist shop.
Drawing 13 If the hood with hose connection is not used, the combustion air must be drawn in through an air vent with an effective minimum cross- section corresponding to a pipe of 60 mm dia. Combustion air intake through a louvred plate Combustion air intake with a flexible hose, 60 mm dia. Water circulation system They must be positioned in such a way that in the event of a fire the exits are not directly endangered.
Danger of fire, explosions and poisoning! This applies also where fuel can be detected only by its characteristic smell. Cuts must not be pressed in or have any burr. Where lines cross, make sure there is always sufficient space separating the hot parts, and if necessary apply heat protection sheets. Connection of intake and return pipes to the heater The fuel is taken from the vehicle fuel tank or from a separate fuel reservoir.
Any of the normal fuel hoses or pipes used in vehicle manufacturing, e. Fuel hoses and fuel pipes are available as additional equipment - see pages 8 and 9 or the Additional Equipment Catalogue.
FuelPlease note! Electrical system Regulation! All lines leading from heaters to the outside must be laid so that they are splash-proof at the opening. Release of control unit when locked Release of the control unit following locking is described on pages 26 to Test equipment The following test equipment can be used for troubleshooting and repair.
For details of the flashing code signals and the corresponding faults, see table on page For information regarding the connection and operation of the diagnostic unit, see page To connect the diagnostic unit, an adapter cable is required. For fault code table, see pages 30 to For information regarding the connection and operation of the ISO adapter, see page To connect the ISO adapter, an adapter cable is required. For information regarding operation of the modular timer, see page ISO adapter 22 89 00 00 Cat.
The function or type of fault is output by the control unit as a flashing code and displayed by an LED with series resistor. The remedial measures are described in the fault code tables on pages 30 to 33 under the appropriate fault code. Additional variant from control unit 25 53 00 00 Apply positive for approx. Light duration - long pulse: 2,0 sec. Interval between the pulses: 0. Period of a flashing sequence: 8.
Operation without fault Flame monitor Fault code 16, 51, 58 Safety time overshoot Fault code 50 , 52 Flame loss Fault code 54 Overheating Fault code 12, 15 Burner motor Fault code 32, 33 Undervoltage cutout Fault code 11 Overvoltage cutout Fault code 10 Temperature sensor Fault code 14, 60 ,61, 71, 72 Connection fault Fault code 20, 21, 25, 37 - 39 44 - 49, 80 - 83 Control unit Fault code 90 - 97 Previous faults are transferred to memory locations F2 - F5; if necessary, the content of memory location F5 is overwritten.
Connect the diagnostic unit to the adapter cable at the cable harness, as shown in the diagram. Adapter cable Cat. In heaters up to factory no. With heaters from factory no. It is essential that the correct installation sequence is followed.
Cancel control unit locking and simultaneously clear fault memory Condition: An electrical connection exists between Terminal 15 ignition and the timer, pin connector, compartment Measure the voltage between PIN 15 red 2. The measured value and the voltage at the battery should not deviate. See values in the Technical Data. Control unit unlocked by clearing the fault memory see pages 26 to Generator voltage too low. Fuel pump is blocked. If necessary, replace the burner. High voltage High voltage Apply max.
Control unit unlocked by clearing the fault memory with modular timer, diagnostic unit or KD see pages 26 to High voltage Take care when checking the ignition spark generator! Remove battery charger or other source of interference voltage. Exception: Where existing exhaust gas extraction is directly at the exhaust pipe entrance. The coolant circuit must then be bled. Beware danger of injury!
The fuel lines should remain connected. If necessary, lengthen the fuel lines. Please observe the operating instructions for the test unit for burner head. Wait for the electric motor to run for seconds. Following installation, check the position of the ignition electrodes and adjust as necessary. The points of the electrodes should be touching the square-shaped surfaces of the reference gauge. If necessary, carefully bend the electrode points until they are touching the square surfaces of the reference gauge.
High voltage It is imperative to exercise caution when checking the ignition spark generator! During installation of the heater, lay the cable sections as shown in Figure If it does not, replace solenoid valve.
During installation, insert the catch of the flame pipe into slot on the heat exchanger. If the measured values do not agree with the diagram or table of characteristic values, then replace the temperature sensor or safety thermal cutout sensor. Test for ground leakage: There must be no electric connection between the sensor connections and the casing. We were established in , originally to introduce diesel fuelled independent heating systems into the UK and Eire for car, commercial vehicle and marine markets and to create a nationwide network of dealers, to provide a quick and efficient service to our growing customer base.
The development is still within Ringwood, which the company was keen to achieve, because it wanted to retain its highly skilled workforce.
The Right Temperature for Every Requirement The ideal climate in vehicles thanks to perfect thermal management. Extend the camping and outdoor season as long as you like! Military Applications. Learn more about our wide ranging products. Watch EasyStart video.
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