Siemens Maxum Edition II - Cable Connections

3.5 Cable Connections
The simplified diagram below shows power and signal wiring into the analyzer. Conduit may or
may not be required to meet local codes and safety rules.
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Figure 3-5 Simplified cable connection diagram - no APU
When an Automatic Purge Unit (APU) is used, described in detail in Maxum II Explosion
Protection Safety Standards Manual (https://support.industry.siemens.com/cs/document/
42017542/), both power and signal wiring enter the analyzer through separate disconnect
relays that are controlled by the APU.
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Figure 3-6 Simplified cable connection diagram - with APU
Installation Steps
3.5 Cable Connections
Installation Manual
Installation Manual, 12/2019, 2000595 Rev 1 19