CR7
www.moduliaggiuntivi.com
POWER BOX CR7
Installation manual
CNTECH CR7 is a power box fully digital microprocessor controlled. llows
the increase in performance of turbodiesel vehicles with supercharged
common rail injection system. The increase in power and torque can
reach 30% compared to the original values. The installation aborts the
approval of vehicles intended for road use, as happens following the
installation of any device which alters the engine power, so a modified
vehicle with add-on module can circulate only in private spaces such race
tracks.
PRELIMINARY CHECKS
Before installation, check that the engine and all of its components (mainly the turbine and its
pneumatic circuit) is in good condition and that the sensors, in particular M F (Flowmeter) and
M P (Boost pressure sensor), work in appropriately. Without these two conditions, it is possible
that the CR7 provides no increase or even cause output irregularities .
CONNECTING
The CR7 comes with dedicated cabling for engine installation , so all connections are made
quickly without disturbing the original system of the car. The wiring must be connected in
series to the original one of car on the fuel pressure sensor located on the flute high pressure
(R IL). To locate the sensors refer to the supplied photographic instructions.
Feel free to contact us if you are not sure about locating the connectors.
In order to prevent ignition warning indicators when restarting the engine, it is advisable to
remove the key from the ignition and lock the car with the engine compartment open, wait 10
minutes to allow the unit to power off the engine management and only then proceed with the
extraction of the original connector and insertion of the CR7 cabling.
Because of the difficult availability of some connectors, it is possible that they can also
insert in the opposite direction to the correct one. Be VERY careful to insert them
correctly in order to avoid additional problems to the unit or to the injection system.
Example of location of the fuel pressure sensor. Note that the sensor is located directly to the
RAIL duct, from which protrude piping intended to injectors.
08/09/13 CR7-Cablaggio-Istruzioni_vC 1
