Raypak MVB 504A Installation & Operating Manual page 2

Rev. 2 reflects the following:
Changes to: Table A on page 6, "Outdoor Installation" on page 9, "Applications and Modes" on page 16, Table J on
page 22, "Electrical Power Connections" on page 22, Table K on page 28, "High Limits" on pages 36-37, Wiring Diagram
on page 44, "Blower Check" on page 47, Table U on page 47, Filter Maintenance on page 55
Additions: "Motorized Combustion Air Dampers or Louvers" on page 11, "Flushing/Cleaning of System Piping" on
page 13, "Extractors, Draft Inducers, and Motorized Flue Dampers on page 28, Note on page 32, Fig. 47 on page 46.
Deletions: None
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