Briggs & Stratton 6421 - Page 2

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Transfer Switch Upgrade Kit Contents
Keep this document with the generator operator’s manual after installation is complete.
6421 ACCM (Air Conditioning Control Module) Upgrade Kit Contents:
• ACCM Board (1 ea)
• Wire Harness, ACCM (1 ea)
• Current Transformers (2 ea)
• Spacers (6 ea)
6422 ACCM and Symphony 2 Upgrade Kit Contents:
• ACCM Board (1 ea)
• Wire Harness, ACCM (1 ea)
• Current Transformers (2 ea)
• Spacers (10 ea)
• Symphony
®
II Control Board (1 ea)
Transfers Switch Upgrade Kit Compatibility Chart
Circuit Board Kit Part Number Transfer Switch Model Number Series
6421
071100
071150
071200
100SED
200SED
6422
071100
071150
071200
200SED
100SED
Not for
Reproduction