Chromalox SDRA-RG manual

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Table of contents for the manual

  • Page 1

    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. Specifications – T able 1 GENERAL IMPOR T ANT : SA VE THESE INSTRUCTIONS RISK O[...]

  • Page 2

    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. T o avoid burns, do not let bare skin touch hot surfaces. If provid[...]

  • Page 3

    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 vs Duct Length 48 kW 100 60 40 20 0 0 100 75 50 25 125 150 175 Duct Length in Feet T emperature Rise ˚F 120 140 160 1800 RPM 2200 RPM 1500 RPM 80 T [...]

  • Page 4

    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. 3. Remove the rear grille by removing the (4) 1/4” bolts and nuts. 4. Remove the belt cov[...]

  • Page 5

    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 Enclosure Blk Wht Run these Wires Through 1" Conduit Contactor Motor Relay Toggle Switch L1 L2 L3 Motor P4 P5 P6 T3 T1 T2 T9 T8 T7 T4 T6 T5 Inlet Thermo[...]

  • Page 6

    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 11 11 12 12 Front of Heater View Showing Element Placement and Routing of Thermostat Capillary and Mounting of Bulb (30-1/4) T wist Wire (20-1/2) 38 [...]

  • Page 7

    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. Blow out or vacuum away any dirt or debris that ma[...]

  • Page 8

    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 .chromalox.com/customer -service/policies/termsofsale.aspx.[...]