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Keltech CNA-36 Installation Manual
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5Installation CNA-Series Tankless HeaterKeltech • 215-1814 Rev. C; ECN 150010 7/13/2015Mounting Heater1WARNING HIGH VOLTAGE SHOCK. Disconnect power supply before performing any work insidethe heater enclosure.For best results, install heater as close as possible to the point of use.Installation is to be performed by licensed trades people.Long pipe runs are not recommended. A heat loss of 1°F for every 10ft (3 meters) of uninsulatedpipe can occur.When determining a mounting location, give consideration to the location of the main electricalpanel and ensure accessibility of the enclosure door and other plumbing for service/maintenance.36" minimum in front of the cabinet enclosure and 48" minimum above the cabinet enclosure arerequired.Bottom View - Leg Mounting Holes30" (762mm)12"(305mm)2"(51mm)4"(102mm)8"(204mm)6-7/8"(175mm) 16-1/4"(413mm)3-7/8"(99mm)3/4" x 7/16" Slot(6) PlacesIf heater is installed where freezing can occur, specify Keltech's ENHT Freeze Protection option. Keltech's ENHToption must be purchased at the time of order. Do not install in areas where freezing can occur without the ENHToption listed in the model number.ASet the heater in a vertical, uprightposition with the water outlet locatedat top Use the floor mounting templateon the side of the crate to help withalignment of the leg mountingB Secure heater by bolting each leg to thefloor using 3/8” anchor boltsCInstall the pressure and temperature reliefvalve on hot water outlet immediatelyfollowing the unionNOTICE! Valve must empty into adrain.Rectangle outline on template is not actual size ofheater.Template may require cutting to fit into tight areas.Holes are for alignment purposes and may notrepresent actual drill size for mounting hardware. |
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