Raypak 503-2003 Installation And Operating Instructions Manual

Also see for 503-2003: Installation & operating instructions

Raypak 503-2003 Installation And Operating Instructions Manual Manual pdf 6 page image

SECTION A: Before Installation4All Raypak heaters are National Board Approved, anddesign-certified and tested by the Canadian StandardsAssociation (CSA) for the U.S. and Canada. Each heateris constructed in accordance with Section IV of theAmerican Society of Mechanical Engineers (ASME)Heater Pressure Vessel Code and bears the ASME stamp.The heater also complies with the latest edition ofASHRAE 90.1 Standard.WARNING: Altering any Raypak pressure vessel byinstalling replacement heat exchangers, tube bundle head-ers, or any ASME parts not manufactured and/or approvedby Raypak will instantly void the ASME and CSA ratingsof the vessel and any Raypak warranty on the vessel. Al-tering the ASME or CSA ratings of the vessel alsoviolates national, state, and local approval codes.Installations at ElevationRated inputs are suitable for up to 4,500 ft elevation with-out de-rating. Consult the factory for installations ataltitudes over 4,500 ft above sea level. No hardwarechanges are required to the heaters for installations up to10,000 ft (adjustments may be required).Component LocationsPanels omitted for clarityFig. 1: Component Locations - SideTop panel, blower and gas train omitted for clarityFig. 2: Component Locations - TopFig. 3: Component Locations – RearGeneral InformationMBTUHInputGasConn.(NPT)Vent Size(in.)ModelNo.Max. Min.WaterConn.(NPT) N P Flue Intake503 500 125 2 1 1 6 6753 750 188 2 1 1 6 61003 999 250 2-1/2 1-1/4 1 6 61253 1250 312 2-1/2 1-1/4 1 8 81503 1500 375 2-1/2 1-1/4 1 8 81753 1750 438 2-1/2 2 1 8 82003 1999 500 2-1/2 2 1 8 8Table A: Basic Data