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Volts kW Overall Length Heated Length RADD-2164 120 or 240 1.6 24-3/8 16-1/2RADD-2164V 208 or 275 RADD-3224 120 or 240 2.2 30-5/8 22-3/4RADD-3224V 208 or 275 RADD-3264V 208 or 275 2.6 35-7/8 28-5/16RADD-3264 240 or 480 RADD-4364V 208 or 275 3.6 46-5/8 38-1/2RADD-4364 240 or 480 RADD-5434V 208 or 275 4.3 53-7/8 45-7/16RADD-5434 240 or 480 RADD-5504V 208 or 275 5.0 61-3/8 53-3/8RADD-5504 240 or 480 RADD-6544V 208 or 275 5.4 65-7/8 58-1/4RADD-6544 240 or 480 RADD-6604V 208 or 275 6.0 73-3/4 65-3/4RADD-6604 240 or 480 RADD-7674V 208 or 275 6.7 79-7/8 72-1/4RADD-7674 240 or 480 RADD-7724V 208 or 275 7.2 85-3/4 78RADD-7724 240 or 480 RADD-8904V 208 or 275 9.0 106 97-1/2RADD-8904 240 or 480 RADD-7604X10 240 or 480 8.0 114-1/8 106 RADD-7604X13 240 or 480 10 141 132 RADD-7604X9A 240 or 480 11 160-5/8 150 RADD-7724X38 240 or 480 13 185-5/8 174 ! (Supersedes PG412-9)PG412-10RADD161-026681-001DECEMBER, 20084RENEWAL PARTS IDENTIFICATIONInstallation, OperationandDATESALESREFERENCEDIVISIONSECTIONChromalox® SpecificationsThe Safety Alert Symbol is used to indicate a risk of per- sonal injury. A B Model No. Volts kW Overall Length Heated Length RADD-2164 120 or 240 1.6 24-3/8 16-1/2RADD-2164V 208 or 275 RADD-3224 120 or 240 2.2 30-5/8 22-3/4RADD-3224V 208 or 275 RADD-3264V 208 or 275 2.6 35-7/8 28-5/16RADD-3264 240 or 480 RADD-4364V 208 or 275 3.6 46-5/8 38-1/2RADD-4364 240 or 480 RADD-5434V 208 or 275 4.3 53-7/8 45-7/16RADD-5434 240 or 480 RADD-5504V 208 or 275 5.0 61-3/8 53-3/8RADD-5504 240 or 480 RADD-6544V 208 or 275 5.4 65-7/8 58-1/4RADD-6544 240 or 480 RADD-6604V 208 or 275 6.0 73-3/4 65-3/4RADD-6604 240 or 480 RADD-7674V 208 or 275 6.7 79-7/8 72-1/4RADD-7674 240 or 480 RADD-7724V 208 or 275 7.2 85-3/4 78RADD-7724 240 or 480 RADD-8904V 208 or 275 9.0 106 97-1/2RADD-8904 240 or 480 RADD-7604X10 240 or 480 8.0 114-1/8 106 RADD-7604X13 240 or 480 10 141 132 RADD-7604X9A 240 or 480 11 160-5/8 150 RADD-7724X38 240 or 480 13 185-5/8 174 ! Please familiarize yourself with these instructions before attempting to install or operate this Radiant Heater. Type RADD Electric Radiant Heaters B A Before Installing: 1. Open carton and remove heater at the place of installation. Mounting clamps are in parts bag in carton. 2. Check nameplate volt and watt rating against your power supply voltage and heating requirements of your installation. This nameplate is located on one end of the heater. The system designer is responsible for the safety of this equipment and should install adequate back-up controls and safety devices with their electric heating equipment. Where the consequences of failure could result in personal injury or property damage, back-up controls are essential. INSTALLATION ELECTRIC SHOCK HAZARD. Disconnect all power before installing or servicing heater. Failure to do so could result in personal injury or property damage. Heater must be installed or serviced by a qualified person in accordance with the National Electrical Code, NFPA 70. 1. These radiant heaters are designed for indoor installation only. 2. Mounting Clamps — Mount heaters by using the mounting clamp and 3/8” bolt assembly. (Interlocking ConnectorsDiscontinued) Figure 1 — Heater Parts and Dimensions Clamp assembly may be attached to heater by sliding over end or by snapping over top of extruded frame section at any point along its length. (see Fig. 2) For proper heater support, the maximum distance between clamps must not exceed 48”. On extra-long heaters, more than two clamps are furnished. 3. Mounting Holes — When heaters are mounted adjacent to each other in the same plane, note that distance between mounting holes on framing to support heaters will be 3-11/16” minimum. When heaters are not in the same plane, i.e., set at an angle to one another, distance between mounting holes in framing will be either greater or less than 3-11/16”. 4. Framing — Where an extensive installation is being made, the use of continuous slot metal framing manufactured by several concerns will be of assistance in saving time and money. The framing is reusable. Figure 2 © 2010 Chromalox, Inc. INSTALLATION (cont’d.) 5. Reflector Spacer Sheets — Where heaters are not mounted side by side (see Fig. 2), reflector spacer sheets can be used between heaters. These reflector spacer sheets and companion reflectors consisting of an extruded aluminum housing with reflector sheet and mounting clamps are available. Check factory. FIRE HAZARD: Since Radiant heaters are capable of developing high temperatures, extreme care should be taken to: A. Keep combustible materials at least 6” away form sides and back of heater housing and its supporting brackets and spaced far enough in front of heater (heating element side) so thermal radiation from the elements will not ignite combustible materials. B. If combustible materials are being processed, stoppage of process should initiate immediate heater shutdown and interception of residual heat from radiant heaters (use radiation baffles or move heate...