Impact / Impact Pro / Impact Pro IR Operating Instructions
16
2� Getting Started
2�1 Inserting the Cartridge
If the instrument is switched on then switch it off by pressing and holding 1.
the button. Note: if a cartridge is already fitted, check that the instrument
clock is correct.
Undo the two cover grille screws (5).2.
If a cartridge is already fitted then remove it by undoing the central 3.
screw.
Insert new cartridge into aperture as shown. Ensure that the point ‘4. O’ is
located correctly in the pump or molding (depending on model).
Gently tighten up the central screw to secure in place.5.
Check the condition of the filter on the cover grille (3), and if necessary, 6.
replace it.
If the unit is fitted with a pump replace the pump seal.7.
Replace the front cover, and retighten the two screws (5). 8.
Wait at least 20 minutes. Then switch the Impact on by pressing the 9.
button and check no faults are reported by the instrument. If fault 4 occurs
refit the cartridge.
Once the new cartridge is fitted the instrument will compare it to the 10.
cartridge fitted previously. The instrument will alert the user with warning
if:
the alarm levels are differenta)
the number of sensors is differentb)
the mix of the sensors is different.c)
Press the OK button to accept the new settings from the cartridge, or press 11.
the button to abort the change.
If the instrument reports a gas alarm, switch instrument off, wait 20 minutes, 12.
and switch unit on again.
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