Instruction/ maintenance manual of the product SDRA Chromalox
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DA TE SALES REFERENCE DIVISION SECTION Chromalox ® (Supersedes PF499-1) PF499-2 SDRA 161-304812-003 AUGUST , 2010 4 RENEW AL P AR TS IDENTIFICA TION Installation, Operation and Portable Industrial Unit Blower Air Heater T ypes SDRA and SDRA-RG © 2010 Chromalox, Inc.
2 IMPOR T ANT INSTRUCTIONS When using electrical appliances, basic precautions should always be followed to reduce the risk of fire, electric shock and injury to persons, including the following: 1. Read all instructions before using this heater . 2. This heater is hot when in use.
3 WIRING (cont’d.) ACCESSORIES T emperature Rise vs Duct Length 30 kW 100 75 50 25 0 0 100 75 50 25 125 150 175 Duct Length in Feet T emperature Rise ˚F 1500 RPM 1800 RPM 2200 RPM T emperature Rise.
F AN SPEED ADJUSTMENTS Changing the Pitch Diameter of the Sheaves: 1. T ools required: 5/32” allen wrench, 3/8” nut driver, 9/16” box wrench and a medium size phillips screwdriver . 2. Remove the lower belt cover by removing the (5) sheet metal screws.
5 WIRING DIAGRAMS SDRA 30kW , 480V , 3PH SDRA 48kW , 480V , 3PH SDRA 60kW , 480V , 3PH Attach all Wires on this Side of Contactor to Auxillary Terminals Blk/Red or Grey Blk Transformer Control Enclosu.
6 P ARTS LOCA TION 19 12 11 11 12 12 11 19 12 11 12 12 12 11 11 12 12 Front of Heater View Showing Element Placement and Routing of Thermostat Capillary and Mounting of Bulb 19 12 11 11 11 12 12 12 11.
7 MAINTENANCE ELECTRIC SHOCK HAZARD. Disconnect heater from power supply before servicing and/or inspecting the heater; failure to do so may result in electrical shock. Replace or repair damaged cords or plugs immediately . Check tight- ness of all electrical connections prior to energizing Dragon.
2150 N. RULON WHITE BLVD., OGDEN, UT 84404 Phone: 1-800-368-2493 www.chromalox.com Limited Warranty: Please refer to the Chromalox limited warranty applicable to this product at http://www .
An important point after buying a device Chromalox SDRA (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Chromalox SDRA yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Chromalox SDRA - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Chromalox SDRA you will learn all the available features of the product, as well as information on its operation. The information that you get Chromalox SDRA will certainly help you make a decision on the purchase.
If you already are a holder of Chromalox SDRA, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Chromalox SDRA.
However, one of the most important roles played by the user manual is to help in solving problems with Chromalox SDRA. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Chromalox SDRA along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
