Page 2745 of 4402
\f\fDescrip\fion
Ev\bpor\btor\finlet\fline\f-\ffront\f\bir\fconditioning\fsystem\f
Ev\bpor\btor\finlet\fline\f-\ffront\f\bir\fconditioning\fsystem\f
Ev\bpor\btor\finlet\fline\f-\f\bddition\bl\f\bir\fconditioning\fsystem\f
Ev\bpor\btor\foutlet\fline\f-\f\bddition\bl\f\bir\fconditioning\fsystem\f
Air dis\fribu\fion - addi\fional air condi\fioning s\bs\fem
\f\f
Descrip\fion
Housing\f-\f\bddition\bl\f\bir\fconditioning\fsystem\f
Auxili\bry\fclim\bte\fcontrol\fmodule\f
Air\fducts.\f
I\fem 1
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3
4
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2
3
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Page 2746 of 4402
Air\foutlet\fvents\f
4
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Page 2747 of 4402

Auxiliar\b Clima\fe Con\frol - Elec\fric
Boos\fer Hea\ferS-MAX/G\bl\bxy\f2006.5\f(02/2006-)\fPrint \f
Descrip\fion and Opera\fion
Elec\fric boos\fer hea\fer
In
\fdiesel\fvehicles\fwhich\fgive\foff\flittle\fresidu\bl\fhe\bt,\f\b\fbooster\fhe\bter\fis\fused\fto\fhe\bt\fthe\f
p\bssenger\fcomp\brtment\fr\bpidly\fin\fthe\fc\bse\fof\flow\f\bmbient\ftemper\btures.\f
If\fthe\finterior\ftemper\bture\fis\fset\fto\f"HI"\fon\fthe\fcontrol\f\bssembly\fof\fthe\fclim\bte\fcontrol\for\f
the\fhe\bter\fcontrols\f\bre\fset\fto\ftheir\fhighest\fsetting\fthen\fthe\fDEATC\f(electronic\ftemper\bture\f
control)\fmodule\fsends\f\bn\f"electric\fbooster\fhe\bter\fON"\frequest\fsign\bl\fvi\b\fthe\fMS\fCAN\fbus\fto\f
the\fgeneric\felectronic\fmodule\f(GEM).\fIf\f\b\fm\bnu\bl\f\bir\fconditioning\fsystem\fis\finst\blled,\fthe\f
sign\bl\fis\ftr\bnsmitted\fvi\b\f\b\fconvention\bl\fc\bble\fconnection.\f
The\fGEM\fswitches\fthe\felectric\fbooster\fhe\bter\f\bccording\fto\fthe\f\bv\bil\bble\f\bltern\btor\fc\bp\bcity.\f
The\felectric\fbooster\fhe\bter\fconsists\fof\fthree\findividu\bl\fhe\bting\felements,\fwhich\f\bre\f
incorpor\bted\finto\f\b\fsingle\fhousing.\f
The\felectric\fbooster\fhe\bter\felectronics\f\bctiv\btes\fthree\foutput\fst\bges\fdepending\fon\f\b\fpulse\f
width\fmodul\bted\fsign\bl\f(PWM)\fgener\bted\fby\fthe\fGEM.\fThe\foutput\fst\bges\fswitch\fthe\fthree\f
he\bting\felements\fof\fthe\felectric\fbooster\fhe\bter\fON\for\fOFF\findividu\blly,\fwhereby\fthe\fhe\bting\f
periods\fof\fthe\findividu\bl\felements\fc\bn\foverl\bp.\fDue\fto\fthe\fv\bri\bble\fswitch-on\fdur\btion,\f
continuously\fv\bri\bble\ftemper\bture\fcontrol\fis\fpossible.\fThe\fover\bll\fhe\bting\fpower\fof\fthe\f
three\fhe\bting\felements\fis\fline\brly\fproportion\bl\fto\fthe\fPWM\fsign\bl.\fIf\fthe\fPWM\fsign\bl\fis\f
below\f10%\for\f\bbove\f95%,\fthe\felectric\fbooster\fhe\bter\fis\fnot\f\bctiv\bted.\f \f\f
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Page 2748 of 4402

Auxiliar\b Clima\fe Con\frol - Fuel Fired
Boos\fer Hea\ferS-MAX/G\bl\bxy\f2006.5\f(02/2006-)\fPrint \f
Descrip\fion and Opera\fion
Principles of Opera\fion
Th
e\ffuel-fired\f\bddition\bl\fhe\bter\fprovides\fextr\b\fhe\bt\fto\fthe\fp\bssenger\fcomp\brtment\fif\fthe\f
he\bt\femitted\fby\fthe\fengine\fis\fnot\fsufficient\f(boost\fhe\bter\ffunction).\f
By\fburning\ffuel,\fthe\ffuel-fired\f\bddition\bl\fhe\bter\fgener\btes\fhe\bt\fwhich\fis\fconveyed\fvi\b\fthe\f
cool\bnt\fcircuit\fto\fthe\fengine\f\bnd\fthe\fp\bssenger\fcomp\brtment.\f
If\f\b\ffuel-fired\fbooster\fhe\bter\fis\ffitted,\fthere\fis\fno\felectric\fbooster\fhe\bter\f
Schema\fic represen\fa\fion - vehicles wi\fh non-programmable addi\fional hea\fer
\f\f
Descrip\fion
Vehicle\fengine\f
Fuel\fpump\fmodule\f
Fuel\ft\bnk\f
He\bt\fexch\bnger\fwith\fblower\fmotor\f
Auxili\bry\fHe\bters\f
Exh\bust\fpipe\f
Air\finlet\f
Schema\fic represen\fa\fion - vehicles wi\fh programmable addi\fional hea\fer I\fem
1
2
3
4
5
6
7
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Par\f Number -
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Стр. 1 из 9
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Page 2749 of 4402
\f\fDescrip\fion
Vehicle\fengine\f
Fuel\fpump\fmodule\f
Fuel\ft\bnk\f
He\bt\fexch\bnger\fwith\fblower\fmotor\f
Fuel\ffired\fbooster\fhe\bter\f
Air\finlet\f
Exh\bust\fpipe\f
W\bte\fpump\f
Overview - Fuel-fired addi\fional hea\fer I\fem
1
2
3
4
5
6
7
8
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Page 2750 of 4402
\f\fDescrip\fion
Combustion\f\bir\fblower\f
Glow\fplug\f
W\bter\foutlet\f
W\bter\fingress\f
Temper\bture\fsensor\f
Overhe\bt\fSensor\f
Burner\f
He\bter\fcore.\f
Venturi\fburner\f
Exh\bust\fg\bs\fle\bk\bge.\f
Fuel\fentry\f
Combustion\f\bir\fentry\f
Electronic\fControl\fUnit\f
Addi\fional hea\fer opera\fion (diesel vehicles onl\b)
Wh e
n\fthe\fengine\fis\frunning,\fthe\ffuel-fired\f\bddition\bl\fhe\bter\f\bssists\fthe\fengine\fin\fhe\bting\fup\f
the\fp\bssenger\fcomp\brtment\f\bt\flow\f\bmbient\ftemper\btures,\fif\fthe\fvehicle\fh\bs\f\bn\fengine\fth\bt\f
gives\foff\fonly\f\b\fsm\bll\f\bmount\fof\fhe\bt.\f I\fem
1
2
3
4
5
6
7
8
9
1 0
1
1
12
13
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Par\f Number -
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Стр. 3 из 9
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Page 2751 of 4402

When\fthe\fcool\bnt\ftemper\bture\fre\bches\f\b\fminimum\fv\blue,\fthe\fcontrol\funit\ftr\bnsmits\f\b\f
switch-on\fsign\bl\ffor\fthe\fp\bssenger\fcomp\brtment\fblower\fvi\b\fthe\fCAN\fbus\fin\fvehicles\fwith\f
\butom\btic\f\bir\fconditioning.\fWhen\fthe\fcool\bnt\ftemper\bture\fdrops,\fthe\fblower\frem\bins\fon\f
until\fthe\ftemper\bture\fre\bches\f\bround\f20\f°C\fwhereupon\fit\fis\fde\bctiv\bted.\fOn\fvehicles\fwith\f
m\bnu\bl\f\bir\fconditioning,\fthe\fdriver\fmust\fswitch\fthe\fblower\fon.\f
The\ffuel\ft\bnk\fmust\fbe\ffilled\fto\f\bt\fle\bst\f14%\ffor\fthe\fsystem\fto\fbe\fswitched\fon.\fIf\fthe\ffuel\f
level\fdrops\fbelow\f8%\fthen\fthe\fsystem\fis\fswitched\foff.\fIn\fboost\fmode,\fthe\ffuel-fired\f\bddition\bl\fhe\bter\fis\fonly\fswitched\fon\fif\f\bll\fof\fthe\f
following\fcriteri\b\f\bre\fmet:\f
Engine\fspeed\f\bbove\f500\frpm\fThe\ffuel-fired\f\bddition\bl\fhe\bter\fis\fnot\f\bllowed\fto\fst\brt\fup\f
wh
ile\fthe\fengine\fis\fbeing\fcr\bnked;\fthis\fprevents\f\b\fshut-down\fdue\fto\flow\fvolt\bge\fif\fthe\f
b\bttery\fch\brge\fis\flow.\f\f
Ambient\ftemper\bture\fbelow\f5\f°C\f\f
Fuel\flevel\f\bbove\f14%\fof\ftot\bl\fc\bp\bcity.\f\f
Switch\fis\f\bt\f"on"\fposition\fon\fthe\ftrip\fcomputer\fmenu.\f
One\fof\fthe\ffollowing\fconditions\fis\fsufficient\fto\fswitch\foff\fthe\f\bddition\bl\fhe\bter\fin\fboost\f
he
\bt\fmode:\f
Engine\fspeed\fbelow\f500\frpm.\f\f
Ambient\ftemper\bture\f\bbove\f11\f°C.\f\f
Switch\fis\f\bt\f"off"\fposition\fon\fthe\ftrip\fcomputer\fmenu.\f\f
Fuel\flevel\fbelow\f8%\fof\ftot\bl\fc\bp\bcity.\f
Fuel powered boos\fer hea\fer wi\fh addi\fional parking hea\fer func\fion
Th
e\ffuel\fpowered\fbooster\fhe\bter\fwith\f\bddition\bl\fp\brking\fhe\bter\ffunction\fh\bs\ftwo\fmodes\fof\f
oper\btion:\fimmedi\bte\fst\brt-up\f\bnd\fprogr\bmmed\fst\brt-up.\f
The\fhe\bter\fst\btus\fis\fdispl\byed\fon\fthe\finstrument\fcluster\fdispl\by.\fThe\fp\brking\fhe\bter\fmode\f
is\fcontrolled\fvi\b\f\b\fmenu\fon\fthe\fdriver\finform\btion\fsystem.\fThe\ffuel-fired\f\bddition\bl\fhe\bter\f
c\bn\fbe\f\bctiv\bted\f\bnd\fde\bctiv\bted\fvi\b\fthe\fdriver\finform\btion\fsystem.\f(If\fset\fto\f'"Auto"\fthe\f
system\fis\f\bctiv\bted,\fif\fset\fto\f"Off"\fthe\fsystem\fis\fcompletely\fde\bctiv\bted.)\fThe\fsystem\fis\f
oper\bted\ffrom\f\b\fcontrol\fmenu\fon\fthe\fsteering\fwheel.\f
Immedia\fe s\far\f-up of \fhe fuel powered boos\fer hea\fer
This\ffunction\fen\bbles\fthe\ffuel-fired\f\bddition\bl\fhe\bter\fto\fbe\fswitched\fon\fm\bnu\blly\fwhen\fthe\f
e n
gine\fis\fnot\frunning.\fThe\ffunction\fis\f\bctiv\bted\fusing\fthe\fsteering\fwheel\fcontrol\fmenu\fin\f
the\fdriver\finform\btion\fsystem.\f
The\fignition\fkey\fmust\fbe\fin\fthe\f"II"\fposition\fbefore\fthis\fmenu\fc\bn\fbe\fused.\fThe\ftimer\f
function\ffor\fthe\ffuel\fpowered\fbooster\fhe\bter\frem\bins\f\bctive\fwhen\fthe\fignition\fkey\fis\fin\f
position\f"0".\f
After\f\bn\fimmedi\bte\fst\brt-up\fof\fthe\ffuel\fpowered\fbooster\fhe\bter\fit\fis\fswitched\foff\f\bg\bin\f\bfter\f
30\fminutes\f(or\fif\fthe\ffuel\flevel\fin\fthe\ffuel\ft\bnk\fdrops\fbelow\f8%).\fThe\ffuel\fpowered\fbooster\f
he\bter\fstops\fwithin\f2\fminutes\fof\fthe\fengine\fst\brting.\fThis\fle\bves\fenough\ftime\fto\fcheck\f
whether\fthe\fswitch-on\fconditions\ffor\fboost\fhe\bt\fmode\fh\bve\fbeen\fmet,\fthus\fpreventing\fthe\f
fuel\fpowered\fbooster\fhe\bter\ffrom\fh\bving\fto\fswitch\foff\f\bnd\fswitch\fb\bck\fon\f\bg\bin.\fThe\fhe\bter\f
c\bn\fbe\fswitched\foff\fm\bnu\blly\f\bt\f\bny\ftime\ffrom\fthe\fmenu.\f
Programmed s\far\f-up of \fhe fuel powered boos\fer hea\fer
The\fdriver\fc\bn\fuse\f\b\fmenu\fto\f\bdjust\fthe\ftime\f\bt\fwhich\fthe\fvehicle\fis\fto\fbe\fpre-
he
\bted.\fThe\ffollowing\foptions\f\bre\f\bv\bil\bble:\f
Time\fsetting.\fOne\for\ftwo\ftimes\fc\bn\fbe\fprogr\bmmed\ffor\fe\bch\fd\by\fof\fthe\fweek.\fIt\fis\f
po
ssible\fto\fprogr\bm\fd\bys\feither\findividu\blly\for\ftogether\fin\fgroups\f(Mon-Sun/Mon-
S\bt/Mon-Fri).\f\f
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Page 2752 of 4402

Time\f\bnd\fd\bte\fsetting\f
With\fthe\ffirst\foption,\fthe\ffuel-fired\f\bddition\bl\fhe\bter\fwill\fst\brt\frepe\btedly\fwithout\fneeding\fto\f
be
\freprogr\bmmed.\fHowever,\fif\fthe\fengine\fh\bs\fnot\fbeen\frunning\fsince\fthe\fl\bst\fprogr\bmmed\f
st\brt,\fthe\ffuel\fpowered\fbooster\fhe\bter\fwill\fnot\fst\brt\fup\f\b\fsecond\ftime\fto\fprevent\fthe\fb\bttery\f
from\fbeing\fdisch\brged.\f
The\flength\fof\ftime\frequired\fto\fpre-he\bt\fthe\fvehicle\fis\fc\blcul\bted\fin\fthe\fcontrol\funit\fof\f
the\ffuel-fired\f\bddition\bl\fhe\bter\f\bnd\fis\fb\bsed\fon\ftwo\ftemper\bture\fv\blues:\f
Ambient\f\bir\ftemper\bture:\fthis\fmess\bge\fis\ft\bken\ffrom\fthe\fGeneric\fElectronic\fModule\f
(GE
M)\fvi\b\fthe\fCAN\fbus.\f\f
Cool\bnt\ftemper\bture:\fthis\fis\fdetermined\fvi\b\f\bn\fintern\bl\fsensor\fin\fthe\ffuel-fired\f\bddition\bl\f
he
\bter.\f
The\fm\bximum\fhe\bting\ftime\fis\f30\fminutes\f\bt\f\bn\foutside\f\bir\ftemper\bture\fof\f-10°C\for\flower.\f
Th
e\fhe\bting\ftime\fdecre\bses\fproportion\blly\f\bs\fthe\f\bmbient\ftemper\bture\fincre\bses\funtil\fthe\f
\bmbient\ftemper\bture\fis\f+15°C.\fThen\fthe\fminimum\fhe\bting\ftime\fis\f10\fminutes.\fThe\fp\brking\f
he\bter\fis\fde\bctiv\bted\f\bt\ftemper\btures\f\bbove\f+15°C.\f
The\fsequence\ffor\f\b\fprogr\bmmed\fst\brt\fof\fthe\ffuel\fpowered\fbooster\fhe\bter\fis\f\bs\f
follows:\f
Two\fminutes\fbefore\fthe\fst\brt\fof\fthe\fm\bximum\fhe\bting\ftime\fthe\fdriver\finform\btion\f
sy
stem/instrument\fcluster\fsends\f\bn\f\bctiv\btion\fmess\bge\fto\fthe\ffuel-fired\f\bddition\bl\fhe\bter\f
vi\b\fthe\fCAN\fbus.\f\f
The\ffuel-fired\f\bddition\bl\fhe\bter\fc\blcul\btes\fthe\frequired\fhe\bting\ftime\f\bnd,\fif\fnecess\bry,\f
se
nds\f\b\fdel\by\frequest\fon\fthe\fCAN\fbus.\f\f
At\fthe\fc\blcul\bted\ftime,\fthe\ffuel-fired\f\bddition\bl\fhe\bter\fst\brts\fup.\fThe\fconditions\ffor\fst\brt-
up
\f\bre:\fengine\fnot\frunning\f\bnd\ffuel\flevel\f\bbove\f14%\fof\ftot\bl\fc\bp\bcity.\f\f
When\fthe\fcool\bnt\ftemper\bture\fre\bches\f\bround\f+30°C\f,\fthe\ffuel-fired\f\bddition\bl\fhe\bter\f
se
nds\f\b\frequest\fto\fswitch\fon\fthe\fp\bssenger\fcomp\brtment\fblower.\f\f
Eight\fminutes\f\bfter\fthe\fprogr\bmmed\fswitch-off\ftime,\fthe\ffuel\fpowered\fbooster\fhe\bter\f
st
ops\fhe\bting\fmode\f\bnd\fst\brts\f\b\frun-on\foper\btion\fto\fcle\bn\fthe\fsystem's\fsp\brk\fplugs.\f\f
Ten\fminutes\f\bfter\fthe\fswitch-off\ftime,\fthe\fpost-cle\bning\foper\btion\fis\fcomplete.\fThe\f
\bdd
ition\bl\ften\fminutes\frun-on\ftime\fprovides\fsome\fleew\by\fin\fc\bse\fthe\fdriver\fis\fl\bte\f
\brriving.\f
After\f\b\fprogr\bmmed\fst\brt-up\fof\fthe\ffuel\fpowered\fbooster\fhe\bter,\fit\fis\fswitched\foff\f\bg\bin\f
\bfter\fthe\fhe\bting\ftime\fh\bs\fel\bpsed\f(or\fif\fthe\ffuel\flevel\fin\fthe\ffuel\ft\bnk\fdrops\fbelow\f8%).\fThe\f
fuel\fpowered\fbooster\fhe\bter\fstops\fwithin\f2\fminutes\fof\fthe\fengine\fst\brting.\fThis\fle\bves\f
enough\ftime\fto\fcheck\fwhether\fthe\fswitch-on\fconditions\ffor\fboost\fhe\bt\fmode\fh\bve\fbeen\f
met,\fthus\fpreventing\fthe\ffuel\fpowered\fbooster\fhe\bter\ffrom\fh\bving\fto\fswitch\foff\f\bnd\fswitch\f
b\bck\fon\f\bg\bin.\fThe\fhe\bter\fc\bn\fbe\fswitched\foff\fm\bnu\blly\f\bt\f\bny\ftime\ffrom\fthe\fmenu.\f
Whilst\fthe\ffuel-fired\f\bddition\bl\fhe\bter\fis\fin\f\bddition\bl\fhe\bting\fmode\f\bnd/or\fp\brking\fhe\bting\f
mode,\fthe\finstrument\fcluster\freceives\f\b\ffuel\fconsumption\fsign\bl;\fthis\fis\fused\fto\fre-
c\blcul\bte\f
the\fvehicle's\frem\bining\fr\bnge\f\bnd\ffuel\fconsumption\fd\bt\b.\f
Emergenc\b shu\foff
In\fthe\fevent\fof\f\bn\f\bccident\fin\fwhich\fthe\f\birb\bgs\f\bre\fdeployed,\fthe\ffuel\fpowered\fbooster\f
he
\bter\fmodule\freceives\f\b\fmess\bge\fon\fthe\fCAN\fbus\ffrom\fthe\frestr\bints\fcontrol\fmodule\f
(RCM).\fWhen\fthis\fsign\bl\fis\freceived,\fthe\ffuel\fpowered\fbooster\fhe\bter\fsystem\fis\fimmedi\btely\f
de\bctiv\bted\f.\f
The\ffuel\fpowered\fbooster\fhe\bter\fmodule\fde\bctiv\btes\fthe\fsystem\f\bnd\fdoes\fnot\frespond\fto\f
further\fmess\bges\fon\fthe\fCAN\fbus.\fThe\ffuel\fpowered\fbooster\fhe\bter\fmodule\fneeds\fto\fbe\f
\bctiv\bted\fwith\fthe\fdi\bgnostic\funit.\f
Ini\fial opera\fion
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