Treat XX, CN and MOD 167541-01 as controlled modified identities; verify the exact installed approval and system length.
Important Notice: Confirm the complete 990-10-XX-01-CN MOD:167541-01 identity, installed-system configuration, approved isolation and functional acceptance record before service release.
Important Notice: The first document presents model-specific technical data and engineering questions. The second provides a separate installation, commissioning and acceptance workflow.