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March 2016

Edition 1

PLANAR

Contents

1 Technical Specifications ................................................................................................. 4

2 Safety ............................................................................................................................... 5

3 Troubleshooting. ............................................................................................................. 5

4 Heater Dismounting and Disassembly. ......................................................................... 11

5 Heater Components - Repair and Replacement. ........................................................... 14

5.1

Functions, Removal and Replacement of Glow Plug.

............................................. 14

5.2

Functions, Removal and Replacement of Glow Plug Screen

.................................. 15

5.3

Functions, Removal and Replacement of Overheat Sensor.

................................... 16

5.4

Functions, Removal and Replacement of Temperature Sensors (PLANAR-8DM).

5.5. Functions, Removal and Replacement of Flame Indicator.

.................................... 20

5.6

Functions, Removal and Replacement of Air Blower.

............................................ 21

5.7

Functions, Removal and Replacement of Control Unit.

......................................... 22

5.8

Functions, Removal and Replacement of Combustion Chamber.

......................... 23

5.9

Functions, Removal and Replacement of Heat Exchanger.

.................................... 25

5.10 Functions, Removal and Replacement of Fuel Pump.

............................................ 25

5.11 Functions, Removal and Replacement of Controller.

............................................. 26

5.12 Functions, Troubleshooting and Replacement of Cabin Sensor

............................. 27

6 Tools and Equipment for Maintenance and Repairs. .................................................... 28

7 Heater Check after Repair. ............................................................................................ 29

Содержание PLANAR 2D

Страница 1: ...s Department www autoterm ru 7 846 270 68 64 270 65 09 E mail sales autoterm ru Service Department Servisnaya Kompaniya Russia 443100 Samara Lesnaya Str 11 7 846 266 25 39 266 25 41 7 846 266 25 42 26...

Страница 2: ...lacement of Temperature Sensors PLANAR 8DM 19 5 5 Functions Removal and Replacement of Flame Indicator 20 5 6 Functions Removal and Replacement of Air Blower 21 5 7 Functions Removal and Replacement o...

Страница 3: ...ns as parts of the heater recommendations for their maintenance and repair main distinctions of different models Principles of operation main parts and components of the standard air heater are descri...

Страница 4: ...tage Table 1 PLANAR 2D 4DM2 44D 8DM Rated voltage V 12 24 12 24 12 24 12 24 Fuel diesel fuel depending on ambient temperature Heating output kW at max min mode 2 0 8 3 1 4 1 6 3 2 7 5 3 2 Hot air flow...

Страница 5: ...cal connectors of the heater when the power is ON 3 Troubleshooting During operation the air heater may malfunction A malfunction is identified by the code displayed on the controller panel see Table...

Страница 6: ...ng 5 min purging before startup or overheating of the control unit during operation Check the intake and outlet of the heating unit for unobstructed entry and exit of air and re start the heater to co...

Страница 7: ...sensor item5 4 12 Shut down overvoltage more than 30V for 24V or more than16V for12V Faulty voltage regulator Faulty battery Check battery terminals and wiring Check the battery charge it or replace i...

Страница 8: ...mperature sensor was not cooled down Time for ventilation was exceeded During5 min purge before start up temperature sensor was not sufficiently cooled Check the intake and output of the heater for un...

Страница 9: ...the clamps on the fuel lines Check combustion air intake and exhaust pipe Check the amount of fuel supplied by the fuel pump and replace it if necessary see item 5 10 If the heater starts check flame...

Страница 10: ...d in wrong location and gives wrong signal Check location of temperature sensors Checksensors item5 4 only PLANAR 8DM 35 Flame failure Supply voltage drop Check the battery wiring Voltage drop may occ...

Страница 11: ...sassembly of PLANAR 2D remove the heater from VEH remove the upper and lower casings Casing should be removed as follows a Remove clips To remove clip use screwdriver with a thin tip to pry the clip o...

Страница 12: ...R 4DM2 remove heater from VEH remove fastening screws of the plug cover remove fastening screws of casing remove casing halves disconnect glow plug connector and other connectors from control unit rem...

Страница 13: ...ount intermediate unit together with CC remove screws fastening CC to intermediate unit 4 4 Dismounting and Disassembly of PLANAR 8DM remove heater from VEH remove fastening screws of glow plug cover...

Страница 14: ...r The supply voltage should be 9 12 18V depending on the model If the voltage readings do not match replace the CU If after the replacement of the CU the heater is operational the replaced CU is consi...

Страница 15: ...replaced In most cases removed screens get damaged and are not re usable Install the screen using mandrel Fig 6 according to Fig 5 all the way in until the screen touches the evaporator in the combust...

Страница 16: ...er shuts down at heat exchanger s temperature below 250 C or for the reasons set out in Table 2 If you receive the error Overheating at starting or during operation then 1 Check the integrity of senso...

Страница 17: ...e sensor is mounted on the heat exchanger and made in a form of ring with an inbuilt thermocouple with two conductors For heaters PLANAR 2D it performs the functions of overheat sensor and flame indic...

Страница 18: ...ooth If the temperature changes suddenly or it shows the initial value the sensor is damaged In this case after cooling the open circuit fault may disappear 2 Disconnect the sensor from the heater and...

Страница 19: ...ltage will increase by 10mV Compare the room temperature and the corresponding voltage outputted by the sensor If the sensor gives incorrect voltage it is necessary to replace the sensor To avoid mist...

Страница 20: ...he flame indicator connect its contacts to the multimeter to the terminals of temperature measurement and heat the sensor for instance with a cigarette lighter The observed temperature rise should be...

Страница 21: ...es through the radiators of the heat exchanger when the heater is in operation is heated and the heated air enters the vehicle cabin or other interior spaces of the vehicle Troubleshooting the air blo...

Страница 22: ...h the new AB check the CU 5 7 Functions Removal and Replacement of Control Unit CU provides control of the heater together with the controller CU performs the following functions initial assessment ch...

Страница 23: ...d condition reduced heat output burnout of the housing or internal parts of the camera flameout Inoperable CC needs to be replaced Partially dismantle the heater and evaluate the state of the CC for d...

Страница 24: ...n Camera in PLANAR 4DM2 Fig 15 Combustion Camera in PLANAR 8DM Heaters PLANAR 2D had combustion cameras of two types 1 type till January 2015 screen is attached directly to the CC 2 type after January...

Страница 25: ...o the use of a poor fuel Inspect the inside of the heat exchanger clean it from soot and carbon black if necessary When replacing the heat exchanger assembly is performed in reverse order If during th...

Страница 26: ...und the fuel pump is working check the tightness of the fuel line all the way from the tank to the FP and from the FP on to the heater If all of the above mentioned problems are resolved it is necessa...

Страница 27: ...igure 18 is used to measure air temperature in the area of its installation and it allows to maintain desired temperatures within 1 30 C The performance of installed sensor can be determined by the op...

Страница 28: ...heaters after repairs Key features and work procedures on the stand are described in the operation manual for DV1105 000 Fig19 Test Stand Note This stand allows you to perform quick and high quality r...

Страница 29: ...perature and carbon monoxide CO content Temperature difference between inlet and outlet should be at least 70 90 Exhaust gas temperature should be not more than 500 The carbon monoxide CO content shou...

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