Raypak HD401 Installation & Operating Instructions Manual page 2

Rev. 5 reflects the following:
Changes to: Table C on page 9, Figs. 7 and 8 on page 10, "Direct Combustion Air" on page 11, "Recovery
Water Connections" on page 13, Figs. 10-12 on page 15, "Piping-Heating Boilers" on page 16, Table G on
page 18, Table I on page 22, Table K on page 25, Table L on page 27, Table M on page 29, Table N on page
30, Fig. 27 on page 34, Table P on page 43, Figs 37-38 on page 45, Fig. 39 on page 46.
Additions: "System Design" on page 14, Wiring Diagrams on pages 36-39, Table Q on page 43
Deletions: None
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