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Service and maintenance
Intended use
The device may be used only if it is in full working order and in a safe state.
It must not be operated in the following situations:
• Unauthorized modifications or repairs
• Disassembly or bypassing of safety features
• Use of spare parts that are not original spare parts from SIEMENS AG
• Mounting of the device with mounting clamps not originally supplied by SIEMENS AG
• Use of expansion modules not originally supplied by SIEMENS AG
• Use of SIEMENS components not approved or recommended for use with PAC4220
PAC4220
Equipment Manual, L1V30827278B-01
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