2� Getting Started; 2�1 Inserting The Cartridge - Honeywell Impact Series Operating Instructions And Maintenance Manual

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