Sentry Installation and Operating Instructions

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CONTENTS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PAGE Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2,3 Installation Requirements: Boiler Location. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Boiler Foundation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Chimney Requirements. . . . . . . . . . . . . . . . . . . . . . . . 4 Minimum Clearance. . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Vent Piping. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Vent Damper Installation . . . . . . . . . . . . . . . . . . . . . . . 5 Gas Piping. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Electrical Controls and Wiring. . . . . . . . . . . . . . . . . 6-10 Boiler Water Temperature Control. . . . . . . . . . . . 10-15 Sequence of Operation.

A. INSTALLATION INSTRUCTIONS BEFORE YOU START TO INSTALL 1. Read this installation manual, the "DANGER" plate attached to the top of the boiler, the "WARNING" on the wiring diagrams, vent damper carton and operator cover. 2. Perform pre-installation inspection as required by ANSI specification Z21.66. (See Vent Damper Instructions.) 3.

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