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 3 page image

1WARNINGS................................................................2SECTION A Before Installation ..............................3Product Receipt .......................................................3Model Identification ................................................3Ratings and Certifications........................................3Installations at Elevation .........................................4Component Locations..............................................4General Information ................................................4SECTION B Hot Water Supply General Safety .....5Time/Temperature Relationships in Scalds .............6SECTION C Installation...........................................7Installation Codes ....................................................7Equipment Base.......................................................7Clearances................................................................7Combustion and Ventilation Air..............................9Water Piping..........................................................11Gas Supply.............................................................17Electrical Power Connections................................19Venting ..................................................................21Controls .................................................................28Wiring Diagrams ...................................................38SECTION D Start-up..............................................41Pre Start-up............................................................41Start-Up .................................................................42SECTION E Operation...........................................47Lighting Instructions .............................................47To Turn Off Gas To Appliance .............................47SECTION F Troubleshooting .................................49UDB Fault History ................................................50SECTION G Maintenance......................................51Suggested Minimum Maintenance Schedule.........51Preventive Maintenance Schedule.........................52SECTION H Appendix ...........................................53Inside Air Contamination ......................................53Table of Contents