cooling MITSUBISHI I-MIEV 2011 User Guide

Important operation tips for the
air conditioning E00708301020
l Park the vehicle in the shade.
Parking
in the hot sun will make the vehicle
inside extremely hot, and it will require more
time to cool the interior.
If it is necessary to park in the sun, open the
windows for the first few minutes of air con-
ditioning operation to expel the hot air.
l Close the windows when the air conditioning
is in use.
The entry of outside air through open win-
dows will reduce the cooling efficiency.
l Too much cooling is not good for the health.
Keep the difference between the vehicle inte-
rior temperature and outside temperature to 5
to 6 °C.
l When operating the system, make sure the
air intake, which is located in front of the
windscreen, is free of obstructions such as
leaves and snow. Leaves collected in the air-
intake plenum may reduce air flow and plug
the plenum water drains.
l Too much cooling/heating can affect the cruis-
ing range, so maintain an appropriate temper-
ature to extend the cruising range.
Air conditioning system refrigerant
and lubricant recommendations
If the air conditioning seems less effective than usu-
al, the cause might be a refrigerant leak. We recom-
mend you to have the system inspected.
The air conditioning system in your vehicle must
be charged with the refrigerant HFC-134a and the
lubricant POE MA68EV. Use of any other refrigerant or lubricant will cause
severe
damage which will result in the need to re-
place your vehicle’s entire air conditioning system.
The release of refrigerant into the atmosphere is
not recommended.
The new refrigerant HFC-134a in your vehicle will
not harm the ozone layer.
We recommend you to recover and recycle the re-
frigerant for reuse.
During a long period of disuse
The air conditioning should be operated for at least
five minutes each week, even in cold weather. This
is to prevent the compressor from seizing and to
maintain the air conditioning in the best operating
condition. Air purifier
E00708400561
An
air filter has been incorporated into the air con-
ditioning so that pollen and dust are cleaned from
the air.
Replace the air filter periodically as its ability to
clean the air will be reduced as it collects pollen
and dirt. For the maintenance interval, refer to the
“SERVICE BOOKLET”.
NOTE
l Operation in certain conditions such as driv-
ing on a dusty road and frequent use of the
air conditioning can lead to reduction of serv-
ice life of the filter. When you feel that the
air flow is lower than normal or when the
windscreen or windows start to fog up easily,
replace the air filter.
We recommend you to have it checked. For pleasant driving
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Connect one end of the other jumper cable to
the
negative (-) terminal of the booster bat-
tery, and the other end to the designated loca-
tion of the vehicle with the discharged bat-
tery at the point farthest from the battery. WARNING
l Make
sure you observe the following or-
der when connecting the cables: → →
→
l
Make sure you make connection to the
correct

designated location (as shown in
the illustration). If the connection is made
directly to the negative (-) side of the dis-
charged battery, flammable gases gener-
ated from the battery might catch fire
and explode. WARNING
l When
connecting the jumper cables, do
not connect the positive (+) cable to the
negative (-) terminal. Otherwise sparks
might cause explosion of the battery. CAUTION
l
Take
care not to get the jumper cable
caught in the cooling fan or other rotat-
ing part in the bonnet room or engine com-
partment.
l Use the proper cables suitable for the bat-
tery size to prevent overheating of the ca-
bles.
l Check the jumper cables for damage and
corrosion before use.
8. Start
the engine in the vehicle which has the booster battery, let the engine idle a few mi-
nutes, then start the electric motor unit in the
vehicle with the discharged battery.
9. Check that the ready indicator illuminates.

[When the ready indicator illuminates]
Stop

the engine of another vehicle, discon-
nect the cables in the reverse order and
charge the auxiliary battery for more than 30
minutes.
After the auxiliary battery is charged, contin-
ue the process from step 16.

[When the ready indicator does not illuminate]
Both the auxiliary battery and the traction bat-
tery have gone flat at the same time.
Charge the auxiliary battery and the traction
battery by the following procedures (from
steps 10 to 14).

10. Keep connecting the jumper cable to each ve- hicle, turn the electric motor switch of your
vehicle to the “LOCK” position.
NOTE l The jumper cable needs to be connected to
the auxiliary battery when you start charging
the traction battery because the on board
charger etc. operate with a power source of
auxiliary battery.
11. Charge the traction battery by regular charg- ing. (Refer to “Regular charging” on page
1-04.)
12. When the charging indicator on the instru- ment cluster is illuminated, stop the engine
of another vehicle, disconnect the cables in
the reverse order. For emergencies
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To add coolant
The
cooling system is a closed system and normal-
ly the loss of coolant should be very slight. A no-
ticeable drop in the coolant level could indicate leak-
age. If this occurs, we recommend you to have the
system checked as soon as possible.
If the level should drop below the “LOW” level on
the reserve tank, open the reserve tank cap (E) and
add coolant. WARNING
l Do
not open the reserve tank cap (E)
while it is hot. The coolant system is un-
der pressure and any hot coolant escap-
ing could cause severe burns.
Anti-freeze
The
coolant contains an ethylene glycol anti-corro-
sion agent. Some parts of the electric motor are
cast aluminium alloy, and periodic changing of the
electric motor coolant is necessary to prevent corro-
sion of these parts.

Use “DIA QUEEN SUPER LONG LIFE COOL-
ANT PREMIUM” or equivalent*.
*: similar high quality ethylene glycol based non-
silicate, non-amine, non-nitrate and non-borate cool-
ant with long life hybrid organic acid technology

MITSUBISHI Genuine Coolant has excellent pro-
tection against corrosion and rust formation of all
metals including aluminium and can avoid block-
ages in the radiator, heater, etc. Because of the necessity of this anti-corrosion
agent,

the coolant must not be replaced with plain
water even in summer. The required concentration
of anti-freeze differs depending on the expected am-
bient temperature.

Above -35 °C: 50 % concentration of anti-freeze
Below -35 °C: 60 % concentration of anti-freeze CAUTION
l
Do
not use alcohol or methanol anti-
freeze or any engine coolants mixed with
alcohol or methanol anti-freeze. The use
of an improper anti-freeze can cause cor-
rosion of the aluminium components.
l Do not use water to adjust the concentra-
tion of coolant.
l Concentrations exceeding 60 % will re-
sult in a reduction of both the anti-freeze
and cooling performance.
l Do not top up with water only.
Water by itself reduces the rust-protec-
tive and anti-freeze qualities of the cool-
ant and has a lower boiling point. It can
also cause damage to the cooling system if
it should freeze. Do not use tapwater, as it
can cause corrosion and rust formation.
During cold weather
If
the temperatures in your area drop below freez-
ing, there is the danger that the coolant in the elec-
tric motor, on board charger/DC-DC converter or
radiator could freeze and cause severe damage to
the electric motor, on board charger/DC-DC con-
verter and/or radiator. Add a sufficient amount of
anti-freeze to the coolant to prevent it from freezing. The concentration should be checked before the
start

of cold weather and anti-freeze added to the
system if necessary. Vehicle care and Maintenance
8-10
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Auxiliary battery
E08402300011
The
condition of the auxiliary battery is very impor-
tant to keep the vehicle’s electrical system working
properly. Regular inspection and care are especial-
ly important in cold weather.
Removing and installing the auxiliary
battery upper cover E08402400012
To remove 1. Turn
the plastic nut (A) anticlockwise, and
then remove the auxiliary battery upper cov-
er (B). NOTE
l Be

careful not to lose the removed plastic nut. To install
1. Install
the auxiliary battery upper cover (B)
onto the auxiliary battery, and then push the
plastic nut (A) in the direction shown by the
arrows to secure the cover. CAUTION
l
Be sure to install the auxiliary battery up-
per

cover. Otherwise, the battery electro-
lyte may spill and cause a malfunction.
l When installing the auxiliary battery up-
per cover and plastic nut do not touch the
cooling fan or other moving parts in the
bonnet room.
Be especially careful that the cables, your
clothing or hair, etc., do not get caught in
the cooling fan or other moving parts.
NOTE l Be

sure to install the plastic nut in the correct
direction. Checking auxiliary battery electrolyte
level
E08402500013 Before checking the auxiliary battery electrolyte lev-
el, remove the auxiliary battery’s upper cover.
The

electrolyte level must be between the specified
limit on the outside of the auxiliary battery. Replen-
ish with distilled water as necessary.
The inside of the auxiliary battery is divided into
several compartments; remove the cap from each
compartment and fill to the upper mark. Do not top
up beyond the upper mark because spillage during
driving could cause damage.
Check the electrolyte level at least once every 4
weeks, depending on the operating conditions.
If the auxiliary battery is not used, it will discharge
by itself with time.
Check it once every four weeks and charge with
low current if necessary. Vehicle care and Maintenance
8-12
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