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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Chromalox SDRA-RG, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.
What is an instruction?
The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Chromalox SDRA-RG one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.
Unfortunately, only a few customers devote their time to read an instruction of Chromalox SDRA-RG. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.
What should a perfect user manual contain?
First and foremost, an user manual of Chromalox SDRA-RG should contain:
- informations concerning technical data of Chromalox SDRA-RG
- name of the manufacturer and a year of construction of the Chromalox SDRA-RG item
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- safety signs and mark certificates which confirm compatibility with appropriate standards
Why don't we read the manuals?
Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Chromalox SDRA-RG alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Chromalox SDRA-RG, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Chromalox service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Chromalox SDRA-RG.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Chromalox SDRA-RG item, and its use of respective accessory, as well as information concerning all the functions and facilities.
After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.
Table of contents for the manual
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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[...]
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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[...]
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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 [...]
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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[...]
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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[...]
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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 [...]
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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[...]
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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.[...]