MEDC Ex FernTel IP - Manual (Page 7)

Manual FernTel IP Z2 UL 7
3.2 Care and Maintenance
The telephone is maintenance-free. Still, if the operating area is highly contaminated
by dust, fat, oil etc., the device should be cleaned from time to time.
The device may only be cleaned using a damp cloth in order to avoid electrostatic
charging.
Never use sharp objects for cleaning.
During maintenance, check accessible seals for function, e.g. regarding possible
damage or positioning. If the seals are damaged, operating the telephone is not
allowed. Damaged seals must be replaced.
3.3 Disposal
The complete device should be disposed of as electronic waste. When the device is
disassembled, plastics, metals and electronics components are to be disposed of
separately. In every single case the national requirements and regulations for waste
disposal must be observed.
3.4 Warning and Security Instructions
This device is an explosion and weatherproof telephone especially for use in a harsh
industrial environment.
The following warning and security instructions must be respected:
• The telephone is build up in protection for use in Class 1, Division 2, Groups A,
B, C and D or non-hazardous locations only. It must be connected and used
with the required voltages only. The connection must be done in perfect
order. The connection cable has to be mounted without risk of stumbling.
• It must be paid attention that the telephone, the connection cable, etc. must
not be damaged. In a damaged state the use of the telephone is not allowed.
• For using the telephone the laws and the industrial regulations, the accident
prevention, respectively the electrical regulations must be respected.
• For repairing only original exchange parts are allowed, which have to be
changed professional. Other exchange parts may cause damages and the
warranty will be lost.