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Heating system

1. Brief Introduction

The heating system is used to provide a warm comfortable

environment for passengers in the bus and provide a good view for

the driver in cold weather. By the source of heat, the heating system is

classified into two types: independent heating system and dependent

system.

The independent heating system refers to a heating mode that

the fuel burns in a special mechanism to heat and circulate the water.

The dependent heating system refers to a heating mode that the

residual heat of engine is used to heat and circulate the water.

By the installation mode of radiator, the heating system is

classified into wall-mounted type and box type. By the method of

radiation, the radiator is classified into natural radiation and forced

radiation.

Содержание Higer A30

Страница 1: ...er s Instructions and keep the operating instructions within the vehicle Correct operation and maintenance can result in good performance and longer service of the coach and lower operating costs This driver s instruction is edited on basis of the products before delivery from the factory Higer Bus Company Limited reserves the right to modify the specification or change the parts or components of ...

Страница 2: ...4 Driver s area 5 Passenger door 6 Safety equipment 12 Rocker switch 19 Driver s seat 29 Rear view mirror 32 Passenger area 34 Electronic clock 36 Microphone amplifier 39 DVD 40 LCD 69 Reverse monitor 70 Air conditioning 72 Heating system 81 Defroster 84 Electrical part 87 ...

Страница 3: ...Vehicle Identification Vehicle Identification Nameplate The coach body nameplate is riveted on the RHS door entrance panel of the front passenger door entrance 1 ...

Страница 4: ...er door Out swing Roof hatch 2 Window Double glazing front windshield the rest is tempered glass Electrical apparatus 24V negative grounded A C system Type Roof mounted condenser and evaporator Cooling power kw 30 Refrigerant R134A Inner equipment Media player 2 ...

Страница 5: ...Specification Inner equipment Front headlamps xenon headlamps halogen headlamps Daylight lamp LED night lamp Floor leatheroid domestic floor leatheroid Composite floor Guardrail CAN 3 ...

Страница 6: ...Body structure Body structure 1 Front fog lamp 6 Rear view mirror 2 Headlamp 7 Passenger door 3 Decoration panel 8 Front wheel 4 Windscreen wiper 9 Luggage compartment 5 Windscreen 10 Rear wheel 4 ...

Страница 7: ...3 Media player 14 Brake pedal 4 Reverse monitor 15 Accelerator pedal 5 Vent 16 Rocker switch L panel 6 Rocker switch 17 Rear view mirror control button 7 Combination switch 18 Microphone 8 Steering wheel 19 A C control panel 9 Ignition switch 20 Parking brake 10 Instrument cluster 21 Driver s seat 11 Rocker switch and Headlamp knob 5 ...

Страница 8: ... by 90 and then release it The handle will automatically turns back by 90 and the lock pin extends out Turn the key counterclockwise by 90 and then withdraw the key Rotate the lock cover to cover the key slot Lock the door Rotate the lock cover by 180 to expose the key hole Insert the key and turn clockwise by 90 Turn the handle with the key counterclockwise by 90 and then release it The handle wi...

Страница 9: ...te control Press the button to unlock the door Press the button to lock the door Replace the battery in the remote control when the indicator light becomes dim or the control distance is reduced drastically The upper buttons control the front passenger door the lower switch control the middle passenger door Each remote control is coded to ensure its uniqueness Each new coach is delivered equipped ...

Страница 10: ...stem is within the normal range 2 The spare remote control should be kept in a safe location 3 Do not throw or mishandle the remote controller 3 Rocker switch on dashboard The battery master switch if turned on by pressing the lower edge will connect to bulk of the electrical system to the battery The driver can control the door with the rocker switch on the instrument cluster 1 switch control the...

Страница 11: ...ency switch Position of the outside emergency switch of front door The switch is installed close to the front door Position of the outside emergency switch of middle door The switch is installed close to the middle door Operation In an emergency rotate the red emergency knob clockwise to release the air pressure in the pump The door can then be opened manually by pushing pulling Reset the red emer...

Страница 12: ...e in the pneumatic pipelines Inner emergency switch Position of the inner emergency switch The valve is installed above the front or middle door in the coach Operation In an emergency rotate the red emergency knob clockwise and push open the door by hands Rotate the red emergency knob counterclockwise to its initial position before reverting to normal control 10 ...

Страница 13: ...Passenger door Note The rocker switch controlling the door on the dashboard and the remote control will be disabled when the emergency switch is been turned on 11 ...

Страница 14: ... Insert the tongue of the belt into the buckle at the cushion as indicated in the above picture A click sound will ensure that the tongue is safely locked in the buckle 2 To release press the RED button at the side of the buckle as shown in the above picture This will unfasten the belt 3 The three point belt should extend to the chest and hip instead of 12 ...

Страница 15: ...ction 2 Emergency switch of passenger door In an emergency turn the red emergency switch clockwise to release the air pressure from the pump The door can then be pushed open by hand Rotate the switch counterclockwise to its initial position before reverting to the normal door control Refer to the related passenger door for details Warning Do not operate the emergency switch other than during an em...

Страница 16: ...ally from the top middle by directing the hammer hitting tip at an angle Continue hitting until cracks appear and the glass is broken The heels of female shoes can also be used for the purpose if there is a lack of hammers The thinner the heel the more effective it will be in breaking the glass Note Check to ensure all the hammers are at the right positions before driving each day 14 ...

Страница 17: ...ion 1 Pull out the safety pin completely from the handle 2 Press the handle directing nozzle towards the fire to extinguish the fire Note 1 Ensure that the fire extinguisher is with a valid certificate 2 Keep the nozzle away from the skin to avoid any injury 3 Ensure that the fire extinguishers are secured at right positions before operating the coach each day 15 ...

Страница 18: ...o open one side of the roof hatch for ventilation 2 Pull the black handle downwards to close it 3 In an emergency pull the emergency handle away from the hatch horizontally along the ceiling until the elastic lock pins release the roof hatch Push open the hatch upwards for passengers to escape 16 ...

Страница 19: ...one side of the roof hatch for ventilation 2 Pull the protruding handle downwards to close it 3 In an emergency pull the red emergency handle downwards on both sides and lift the hatch until it can be opened completely for passengers to escape Warning Do not open the roof hatch completely unless during an emergency 17 ...

Страница 20: ...Safety equipment 6 Using the correct amperage fuse When replacing fuses it is important not to use over rated fuses as it may cause overheating and fire 18 ...

Страница 21: ...tch Remove cover and move lever upwards Actuate only when the vehicle has been brought to a stop Headlamp knob Knob with three positions 0 position marker lamps and headlamps The marker lamps and the headlamps will be powered off if the knob is 19 ...

Страница 22: ...osition in order to attract other drivers attention Battery master switch The battery master switch if turned on by pressing the lower edge will connect to bulk of the electrical system to the battery Instrument cluster controls button 1 Setting for information sign display time setting 2 Setting for information sign display reset 3 Setting for information sign display decrease value 4 Setting for...

Страница 23: ...will this switch functions switching on the rear fog lamp Passenger door switches These two switches control the front and middle passenger doors press the upper or lower side of the switch will open or close the relevant passenger door respectively The number on the two switches 1 controls the front door and 2 controls the middle door 21 ...

Страница 24: ...s is a switch with 2 levels for different of light intensity required for the ceiling lights Press the lower edge with symbol of the switch lightly will light up 50 of the ceiling lights and pressing further to the 2nd level will illuminate all the ceiling lights Warning light switch on disabled passengers getting on Before disabled passengers getting on the bus press the side with mark of the roc...

Страница 25: ...r switch controlling all the individual passenger reading lights The button near to each light allows for individual controls of the reading light for each passenger Night illumination light switch Press the side with mark of the rocker switch to turn on the night illumination light press the other side of the switch to turn off the light 23 ...

Страница 26: ...ide of the switch to turn off the light School bus warning light switch Press the side with mark of the rocker switch to turn on school bus warning light press the other side of the switch to turn off the light Horn shift switch The horn reset switch allows the driver to either opt for the use of air or electric horn Ventilator switch 24 ...

Страница 27: ...switch and the front one exhausts air and the rear one intakes air When the switch is in the middle position the two ventilators stop working Aisle light switch Turning on this switch will light up the aisle lamps Water pump switch Press the side with mark of the rocker switch to start the heating system water pump Rear view mirror defrost switch Defrosting of the rear view mirrors is through this...

Страница 28: ...he vehicle Fuel heating switch This switch controls the fuel heating system Test the external lighting switch This bulb check switch enables the driver to test all the external light ings proper functioning Cruise control switch This switch controls the vehicle cruise at predetermined speed 26 ...

Страница 29: ... white smoke limiter Traction control switch This switch allows the wheels to rotate at different speed ECAS kneeling switch This switch controls the vehicle kneeling and restore vehicle to normal height ECAS total raising total lowering switch This switch controls the vehicle raising and lowering 27 ...

Страница 30: ...Rocker switch ECAS predetermined height normal height switch This switch controls the vehicle to predetermined height and restore vehicle to normal height 28 ...

Страница 31: ...tion 1 Horizontal adjustment Pull lever and move seat forward backward Release the lever to lock the seat 2 Slope adjustment Pull lever and adjust the slope by loading unloading the front seat cushion area 3 Seat cushion adjustment 29 ...

Страница 32: ...pension characteristics of the seat can be optimally adapted to every roadway and every driver Lever up minimum damper force Lever down maximum damper force 7 Height adjustment Pull or push lever and adjust the seat in desired height 8 Integrated pneumatic system IPS Press button to vent and bleed the corresponding air chamber This enables an optimal adoption of the backrest to your body s shape 9...

Страница 33: ...features 2 Keep the operating instructions within the vehicle 3 The ISRI seat has to be installed or repaired by specialists under consideration of the specific country s regulations 4 We point out that this seat is a safety component Any modifications to the seat and disregard of the instruction manual may result in an accident 5 Due to reasons of road safety the driver seat must only be adjusted...

Страница 34: ...efrosted electrically 2 Outside rear view mirror adjustment switch The ignition switch should be turned to ON before this knob can function The left rear view mirror can be adjusted when the white mark points to L and the right one can be adjusted when the white mark points to R The mirrors are adjustable in four directions up down left and right 32 ...

Страница 35: ...d only when the ignition switch is at the ON position Press the lower edge with symbol of the switch to defrost the rear view mirror and to switch off press the upper edge Caution Switch off the defroster as soon as the mirror is already defrosted in order to avoid damaging to the defrosting element 33 ...

Страница 36: ...w i t ches get off l oudspeaker Reading light control When the reading lights master switch is turned on the passengers can press the button and t o ope rate the relevant reading lights Air flow regulator The passengers can adjust the air flow direction and quantity of air conditioning by rotating the regulator and 34 ...

Страница 37: ... Get off When the STOP button is activated an alarm and flashing of indicator on the instrument cluster will be initiated to let driver be aware Radiator vent The radiator vent is located under the passenger seats 35 ...

Страница 38: ...me accuracy The annual error ratio is less than 1minute 5 The meterage range for temperature and humidity are 0 C 40 C 10 95 RH The limits for temperature readings are 9 C 55 C If the temperature is between 9 C 0 C or 40 C 50 C the error range will be larger If the humidity is higher than 95 RH the humidity sensor will be covered with dew 6 Temperature accuracy 1 C at 30 80 RH 0 40 C 7 Humidity ac...

Страница 39: ...e Use H M S buttons to modify the clock time Press H to modify hour When you press the button the hour will plus one by one Press M to modify minute The operation is as same as 1 Press S to reset or transform the option of the clock Caution When setting the time the digit displaying the second will not flash It will continuously flash one second after you cease the time setting Press the S button ...

Страница 40: ...ng date will be displayed for 10seconds and time will be for 35 seconds The temperature and humidity will be displayed for 15 seconds each You may choose to change the displayed information on the clock by pressing the S button however the clock will revert to it s default to continue its own automatic displaying of the different information upon releasing the S button To protect the temperature a...

Страница 41: ...the microphone amplifier if turned off the DVD stops working as well 2 VOL2 turn the knob to adjust the volume of guide microphone behind the front passenger door 3 MIX turn the knob to adjust reverberation 4 VOL1 turn the knob to adjust the volume of MIC1 and driver s microphone 5 MIC1 socket of MIC1 Microphone Slide the switch of driver s MIC to on position to use the microphone 39 ...

Страница 42: ...ock or laser beam exposure If you have parked the car for a long time in hot or cold weather wait until the temperature in the car becomes normal before operating the unit Keep the volume at a level at which you can hear outside warning sound horns sirens etc Do not open covers and do not repair them by yourself Consult the dealer or an experienced technician for help In addition to ordinary CDs t...

Страница 43: ...r outward with a cleaning cloth Never use solvents such as benzine or alcohol This unit cannot play 3 inch 8cm discs Never insert a 3 inch disc contained in the adapter or an irregularly shaped disc The unit may not be able to eject it 41 ...

Страница 44: ...ux in 4 Radio local distant 5 Rotate the control to adjust volume level and press to be flush with the panel 6 Radio station auto preset 7 Band switch FM1 FM2 FM3 MW1 MW2 Radio mode 8 Remote sensor 9 Track playback 1 button Play Pause 2 button Intro play 10 sec 3 button Track repeat play 4 button Track random play 5 button Video system NTSC PAL 60 PAL AUTO Folder down MP3 6 button DVD audio VCD au...

Страница 45: ...in 11 USB port 12 Panel open 13 Short press to select audio menu and rotate the knob to adjust level Long press to enter into setting menu then each press changes the mode 14 Short press to switch to clock display press again to exit Long press to enter clock setting 15 Loudness 16 FM mono stereo 43 ...

Страница 46: ...ls Power on off Press to turn on off the unit 1 Zoom DVD VCD only 2 Title DVD only 3 Power on off 4 Setup 5 Menu cursor 6 Enter 7 Program 8 Digit area 9 Short press to select audio menu and rotate the knob to adjust 44 ...

Страница 47: ...serted Aux in 15 Repeat 16 Repeat A B 17 Stop Return 18 Play Pause 19 Goto search 20 DVD menu PBC for VCD 2 0 or up 21 OSD On screen display AMS Radio preset scan Radio auto preset 22 DVD audio VCD audio L R ST 23 Short press to switch to clock display press again to exit Long press to enter clock setting Return to previous menu setting menu 24 Angle DVD only 25 Video system NTSC PAL 60 PAL AUTO R...

Страница 48: ...trol becomes short or no function replace the lithium battery with a new one Make sure the battery polarity replacement is correct 1 Pull out the battery holder while pressing the stopper 2 Insert the button type lithium battery with the mark facing upward Insert the battery holder into the remote control 46 ...

Страница 49: ...unit s memory Clock Display Press DISP on the panel or on the remote control to display clock time and press DISP again to exit Clock Setting 1 Press DISP more than 2 seconds minute display blinks then rotate the knob to set minute 2 Press the knob once hour display blinks then rotate the knob to set hour 3 Press DISP again to exit Audio Setting Press MENU to select audio menu VOL BAS TRE BAL FAD ...

Страница 50: ...t s audio output signal Rotate the knob to select EQ sound effect FLAT CLASSIC ROCK POP JAZZ USER With the equalizer function activated if bass or treble is adjusted the EQ Mode will revert to Off When the equalizer function is activated the most recently selected bass treble levels cannot be adjusted When the equalizer function is not active the unit will return to the most recently selected bass...

Страница 51: ...dio mode Choose radio distant or local General Operation DX Stations with strong and weak signals can be broadcast LOCAL Only station with strong signal can be broadcast MONO STEREO Selectable when the current source is Radio mode This option allows you to select radio FM mono stereo AREA SET This option allows you to select the appropriate frequency spacing for your area Rotate the knob to choose...

Страница 52: ...tons again to move the radio frequency number up or down one step Note During manual seeking if the pause between two operating steps is longer than 5 seconds when you continue to press the or buttons the unit will enter auto seeking During manual seeking when you press and hold the or buttons the unit will seek continuously Preset Mode Six numbered preset buttons store and recall stations for eac...

Страница 53: ...d then select a station 2 Press and hold a preset button numbers1 6 on the front panel or remote control 3 The preset number and station is displayed and highlighted Recalling a Station 1 Select a band if needed 2 Press a front panel or remote control preset button numbers 1 6 to select the corresponding stored station 51 ...

Страница 54: ...read the file of the card automatically 2 Take out SD MMC Card Push SRC button to non SD mode press the SD MMC card to pop out 3 Load USB Device Insert USB device into the USB jack The unit will read the file in the USB device automatically 4 Take out USB Device Press the SRC button to non USB mode and take out the USB device 52 ...

Страница 55: ...e artist album 32 byte support 6 Multi card reader not support 7 USB 1 1 support Not all kinds of USB devices are compatible with the unit Accessing Disc Mode If a disc is already in the disc slot but is not playing press the SRC button on the front panel or on the remote control to switch to the DISC source To play files from an SD or USB that is already inserted choose the CARD or USB source The...

Страница 56: ...e Folder 6 Video Folder Insert a Disc Press to flip down the panel Insert the disc into the slot and the unit will change to disc mode automatically Note Please confirm whether there is a disc in the unit before you insert another one The unit will exit current playing source and enter DVD mode when 54 ...

Страница 57: ...inserted display shows LOAD For MP3 or disc with mixed files reading time may exceed 1 minute 2 ERROR will be displayed if error found in disc operation 3 For VCD CD VCD or CD icon will appear on the display 4 While MP3 WMA files playback MP3 WMA icon will appear on the display 5 For DVD DVD icon will appear on the display and TITLE appears Press ENTER or to play File Type Supported Audio file MP3...

Страница 58: ...h DRM Open session discs Audio Picture Video File Playback When AUDIO PICTURE VIDEO file is played Category Folder File list will be displayed on the screen and file folder name being played will be displayed on top Current selected item will be highlighted Category Select Use to select Press ENTER to confirm Folder Select Use to enter folder list and use to select desired folder press ENTER to co...

Страница 59: ...rting audio files into MP3 WMA formats Nero or Roxio easy CD creator are recommended This unit can play MP3 MPEG1 2 2 5 Audio Layer 3 However the MP3 recording media and accepted formats are limited Entering ID3 Tag This unit supports ID3 tag version 2 0 Character codes refer to the table as below Entering File and Folder Names Names using the code list characters are the only file names and folde...

Страница 60: ... playing files and folders Folder Search File Search or Folder Select are accessed in the order in which they are written to the media As a result the order in which they are expected to be played may not match the order in which they actually played You may be able to set the order in which MP3 WMA files are to be played by assigning file names beginning with play sequence numbers such as 01 to 9...

Страница 61: ... Select Desired Track Press or to skip to the next track Use 1 9 and 0 10 buttons on the remote control to select desired track number Fast Forward Backward During Playback Press or for more than 2 seconds once or more to select X2 X4 X8 X20 to fast backward or forward track during playback During the fast forward or backward operation press briefly to playback again During the fast forward or bac...

Страница 62: ...the display 2 Press RDM again to select normal playback Repeat During playback press REPEAT or RPT once or more RPT icon will appear on the display For VCD CD Display appears RPT ONE RPT ALL RPT OFF For DVD Display appears RPT CHAPTER RPT TITLE RPT OFF For File disc Display appears RPT ONE RPT DIR RPT ALL RPT OFF Note If you do not select RPT on when the entire disc or TITLE playback has finished ...

Страница 63: ...ress A B once again to exit Display shows A B CANCEL Pause During playback press to pause playback The sound will be muted Display PAUSE in the TV screen display and blink PAUSE on the panel display Press again to continue playback PBC Playback Control for VCD Only 1 If you insert a VCD with PBC playback starts from the beginning of the 1st track automatically 2 Press MENU PBC to show menu and use...

Страница 64: ... Use to select desired item Use digit button to select number Press ENTER to confirm Program Press PROG to enter program list Use or cursor and digit button to enter number For DVD and File disc select title and chapter number For VCD and CD select track number Press to play or move the cursor to select PLAY and press ENTER to play If you want to delete the list move the cursor to CLEAR then press...

Страница 65: ...ect audio language to listen if the DVD has multiple audio languages VCD Audio Select Press R L to select audio channel to listen DVD Subtitle Select Press SUB T to select the subtitle language to show if the DVD has multiple language subtitles 63 ...

Страница 66: ...tle or chapter list use or cursor or digit number to select then press ENTER to play DVD Angle Select Press ANGLE to select different angle to view if the DVD has multiple angle views Zoom Press ZOOM button the picture will be zoomed accordingly 64 ...

Страница 67: ...stem in the setting menu TV TYPE 4 3PS 4 3LB 16 9 Select TV type to watch wide screen movies 4 3 Pan Scan For 4 3 TV left and right edges will be cut 4 3 Letter Box For 4 3 TV black bars will appear on top and bottom 16 9 For 16 9 wide screen TV PASSWORD 1 Press number button 0000 on the remote control then press the ENTER button to confirm 2 Press the desired 4 digit password and then press ENTER...

Страница 68: ...om 1 to 8 1 with the most limits when playing 8 with the least limits when playing Original setting 8 Note The rating can be selected only under the password unlocked status and the limits can be worked only under the password locked status DOWNMIX LT RT STEREO VSS Select composite audio output from 2 channel speaker system DEFAULT RESTORE If this item is selected the unit will return to original ...

Страница 69: ...lected language the dialogues you are listening to will be in the default language You can change the language by pressing AUDIO key of the remote controller SUBTITLE LANG Select one language that you are familiar with to display DVD subtitles If the DVD disc has the subtitle file in the selected language the subtitle will be displayed in the selected language If the DVD disc does not contain the ...

Страница 70: ...layed in the default language DVD Video Setup Use to select and ENTER to confirm BRIGHTNESS Set the brightness of the video output with from 0 to 12 CONTRAST Set the contrast of the video output with from 0 to 12 HUE Set the hue of the video output with from 6 to 6 SATURATION Set the saturation of the video output with from 0 to 12 SHARPNESS Set the sharpness of the video output with from 0 to 8 6...

Страница 71: ...he rocker switch and the LCD begins to rotate after being electrified for three seconds 2 LCD rotate switch Press the side with mark of the rocker switch the LCD unfold press the other side the LCD fold and loosening the switch the LCD stop rotating 69 ...

Страница 72: ...jected to shocks Avoid exposing monitor to direct sun light and other heat source Ensure there is sufficient ventilation for the heat generated Keep magnetic source such as speaker away from monitor as far as possible Turn off the power immediately when monitor is hit by impact or exposed to harmful liquid Allow only qualified mechanic to repair monitor Do not use monitor for any other purpose oth...

Страница 73: ...tons at the same time to restore default settings 8 Rear monitor priority When selecting reverse gear the display will automatically switch into the picture of the rear monitor 3 Common troubleshooting Problem Solution No display Check the power line connection is it polarity correct Check the battery does it work correctly No picture Check the connection of CCD camera line Check connection of vid...

Страница 74: ...ndensation of water will occurs in the evaporator which will result in greater amount of water dripping out of the evaporator drain hoses The filter in the return air grid retains dirt Circulated air adjustment should be chosen in case of dirty gaseous air from outside Elements of the return air grid have to be maintained or replaced according to the stipulated service interval in order to possibl...

Страница 75: ... AC on off Button S2 Return air Fresh air Auto Button L1 Indicator light AC AC ready Thawing frost indicator light S3 Decrease Button L2 LP HP error indicator light S4 Increase Button L3 Room temperature Button S5 Temperature setting Button L4 Required room temperature Button S6 Power on off Button 73 ...

Страница 76: ...ch back to room temperature setting mode The required room temperature adjusted range is from 15 to 32 C Adjust air volume The required air volume can be adjusted low middle and high by pressing S1 The order as follow low middle high middle low middle high Fresh air operation You can switch to fresh air operating mode recirculated air operating mode or automatic operating mode by pressing S2 In th...

Страница 77: ...the cooling system stop working the compressor stop working first and after 5 seconds the fan stop running In ventilation operating mode the cooling system can not work Thawing frost There are 2 sensors for thawing frost In cooling operating mode when any temperature of the sensors is lower than 3 degree the thawing frost start until each temperature of the sensors is higher than 7 degree In thawi...

Страница 78: ... after every pressure test II In case of over and lacking voltage of the power supply you will get a warning sound the control unit is blinking and will shut down all power supply at the same time LE means lacking voltage HE means over voltage Other function Pressing S3 shows one of the evaporator s temperatures Pressing S4 shows the other of the evaporator s temperatures 76 ...

Страница 79: ...on L4 Display S4 Return air Fresh air button L5 error indicator S5 Adjust air volume button L6 Cooling indicator S6 Power on off button L7 Heating indicator S7 Mode selection button L8 Return air fresh air indicator L1 Room temperature indicator L9 Air volume indicator Power switch Press S6 to turn on the aircondition Power will be supplied at the same time and the aircondition will work after 5 s...

Страница 80: ...gh by pressing S1 The order as follow low middle high middle low middle high Fresh air operation You can switch to fresh air operating mode recirculated air operating mode or automatic operating mode by pressing S2 In the automatic operating mode the fresh air operation will run 2 minutes and in the fresh air operating mode per half an hour Cooling ventilation operating mode First turn on the S6 t...

Страница 81: ...Thawing frost There are 2 sensors for thawing frost In cooling operating mode when any temperature of the sensors is lower than 3 degree the thawing frost start until each temperature of the sensors is higher than 7 degree In thawing frost operating mode the fans and compressor stop working In Ventilation operating mode the thawing frost can t start Warning a In case of too low or too high pressur...

Страница 82: ...l get a warning sound the control unit is blinking and will shut down all power supply at the same time LE means lacking voltage HE means over voltage Other function Pressing S3 shows one of the evaporator s temperatures Pressing S4 shows the other of the evaporator s temperatures 80 ...

Страница 83: ...system and dependent system The independent heating system refers to a heating mode that the fuel burns in a special mechanism to heat and circulate the water The dependent heating system refers to a heating mode that the residual heat of engine is used to heat and circulate the water By the installation mode of radiator the heating system is classified into wall mounted type and box type By the m...

Страница 84: ...r the available range is 5 40 When the interior temperature is below 5 the thermostat will turn on automatically when the interior temperature is above 40 the thermostat will turn off automatically Independent heating system Water pump switch Heater switch Temperature adjusting panel It is required to turn on the water pump switch at first and then turn the heater switch clockwise The user could s...

Страница 85: ...set temperature which is 20 original the interior temperature could be reset after 2 seconds If the user wants to reset the temperature press the up down button until the wanted temperature shows up When the interior temperature is 1 higher than the set temperature the thermostat will turn off automatically and vice versa 4 Radiator vent The radiator vent is located under the passenger seats 83 ...

Страница 86: ...ressing to the second level will lead to the higher defrosting intensity Internal External Defroster In case of low temperature in the vehicle it adopts internal circulation mode and increase the air temperature to deice and defrost In case of temperature increase in the vehicle with ample moisture open the external circulation cable see Figure below to let air outside the vehicle come inside to r...

Страница 87: ...e to adopt internal circulation mode and increase the air temperature to deice and defrost When interior temperature increases with ample moisture press the below side to adopt external circulation mode and the air outside the vehicle can come inside to reduce the hot wind moisture for defrosting In this way frost is not easily formed when the air is blown to the front windshield This knob control...

Страница 88: ...Defroster Defroster vent The defroster vent is on the dashboard near the windshield 86 ...

Страница 89: ...ABS ECAS lifting system and other electrical control units for chassis and coach body are located in the Scania electric centre in the front of luggage compartment The electric centre is secured by the red button lock and when not in used should be secured properly 87 ...

Страница 90: ...Electrical part Fuse box The fuse box is in a compartment that under the driver s area 88 ...

Страница 91: ...ition The ceiling wire harness connects with instruments wire harness in the compartment under the auxiliary dashboard The chassis wire harness connects with instrument wire harness under the glove compartment near the front door 89 ...

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