2Installation ManualContents1. Included Accessories ............................................................................. 42. Optional Accessories.............................................................................. 43. Dimensions ............................................................................................. 54. Component Details Example ................................................................ 75. Quick Connect Multi System Installation ............................................ 96. Before Installation .................................................................................. 107. Specifications ......................................................................................... 118. Choosing Installation Site ..................................................................... 129. Installation Clearances .......................................................................... 1310. Installation ............................................................................................ 1511. Gas Piping............................................................................................... 1612. Water Piping ........................................................................................... 1713. Condensate Piping................................................................................. 1914. Electrical Wiring ..................................................................................... 2115. Remote controller .................................................................................. 2216. Connecting Quick Connect Cord-2 ...................................................... 2417. Maintenance ........................................................................................... 2518. Trial Operation ........................................................................................ 26WATER QUALITY .......................................................................................... 28