Heating Element for AHU B41.jpg

This image contains technical specification labels and identification plates for an electric heating unit. The upper plate displays operational parameters including maximum and minimum voltage ratings, control specifications, and safety requirements such as minimum clearance to combustible materials and electric heater installation specifications. The plate indicates the unit was manufactured in the USA and references charge system installation instructions, with a serial number 99NA502293.

The lower plate provides details on additional accessory heaters compatible with the main unit, specifically models 40RT90010 and 40RT90110, listing their respective voltage ratings (240V and 480V), phase (3), frequency (60 Hz), and amperage specifications (48 and 26 amps). The primary unit model number is identified as 40RR024530. A notation instructs installers to mark spaces for heater models used and to stamp unused heater blocks in the technical documentation. The equipment is labeled as thermally protected with three-phase motor protection for primary single-phasing conditions.