MKS HPQ3, Hardware Manual

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MKS Instruments UK Ltd
HPQ3 Hardware Manual – SP101019.101 October 2012
14
Additional Installation Maintenance and Operating Instructions
In order to comply with European regulations, the following procedures must be followed:
A) INSTALLATION
1. The installation procedures given in the operating and technical manuals must be followed in
addition to these instructions.
2. The mains power cable must conform to local regulations and must have a protective earth (PE)
conductor securely connected to the power plug protective earth contact.
3. The short earthing braid supplied with some products, must be fitted between the terminal on the
RF head and one of the CF40 vacuum flange bolts.
4. Only cables supplied with the equipment may be used for interconnections. If extension cables
are required to obtain a greater separation between control unit and RF head, or if longer serial
communications cables are required, they must be supplied by MKS Instruments Ltd.
5. Cables attached to all other ancillary signal and control ports must have a length of less than 3
meters. If greater length is required, MKS Instruments Ltd. must be contacted for technical
guidance on possible EMC and safety issues.
6. The vacuum system on which the analyser/RF head is mounted must be earthed, to a protective
earth, preferably to the same protective earth as the control unit.
B) OPERATION
1. The equipment is not authorised for use as a critical component in a life support or safety critical
system without the express written approval of MKS Instruments Ltd.
2. All instructions given in the operating manual must be followed.
3. Adjustments are strictly limited to those accessible from the control panel and computer
keyboard and only when running software supplied by MKS Instruments Ltd.