HP Designjet 9000s Series, User Manual

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8 User´s Guide
III 55 Warnings ffor m maintenance
The APS must be switched off for maintenance, and be secured against being switched on again
unexpectedly, by:
•
the APS must be switched off at the ON/OFF switch and then
•
the power plug must be removed from the wall power socket.
Do not put your hand in the cover grid of the fan during fitting, assembly or service work.
– After switching off /shutdown of the APS wait until the fan stops.
To avoid electric shocks do not open any electrical parts and casing and covers.
It is recommended to use protective gloves (disposable gloves made of polyethylene, latex or
Nitrile®) before carrying out the filters replacement and/or the suction hoses.
Replace filter elements at the stated intervals. Always tightly rescrew screw connections
loosened.
Do not use any aggressive agents or cleaning agents which contain solvents. Use lint-free
cleaning cloths.
Only use mild water-based cleaning agents. Do not use any organic solvents, as there is a risk
of fire and explosion!
Ensure ssafe aand eenvironmentally-ffriendly ddisposal oof m materials aand ssupplies.
III 66 Protective eequipment
The APS is equipped with safety interlocks to protect the user and is constructed and produced
in accordance with state-of-the-art- technology to meet operational safety regulations. In order
to ensure safe and environmentally-responsible operation, the following safety features have
been installed:
– The fan is secured by a protective plate or grid, which may only be removed using tools.
– All elements of the control systems will move into a safe status for operators, APS and
the environment in the case of power cut or reported disturbances. An unexpected
restart is not possible after this.
– All electrical parts carry the CE mark for low voltage and/or EMV.
– A potential compensation (Ø > 1.5 mm²) of all conducting components is installed to
ground the APS.
– The APS is designed according to protective type IP 20.