Instruction/ maintenance manual of the product 129 Greenheck Fan
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FAN FUNDAMENTAlS 129 Intr oduction to F AN SELECTION This is a guide to the most basic fan sections, all of which enable you to select the right fan for the job.
FAN FUNDAMENTAlS 130 BEL T DRIVE One advantage of choosing a belt drive over a direct drive is that it is capable of adjusting the fan rpm, which enables the fan to move more air if necessary . Motor pulleys are adjusted by loosening the set screw and turning the top half of the pulley (see illustrations at right).
FAN FUNDAMENTAlS 131 Exhaust fan to be sized 8 ft. 40 ft. 30 ft. Louvers to supply Makeup air DETERMINING CFM A ft er th e m od el is kn ow n, th e c fm mu st be de te rm in ed . C on su lt lo ca l c od e r eq ui r em en ts or th e t ab le be lo w f or suggested air changes for pr oper ventilation.
FAN FUNDAMENTAlS 132 ST A TIC PRESSURE GUIDELINES STATIC PRESSURE GUIDELINES Nonducted 0.05 in. to 0.20 in. Ducted 0.2 in. to 0.40 in. per 100 feet of duct (assuming duct air velocity falls within 1000-1800 feet per minute) Fittings 0.08 in. per fitting (elbow, register, grill, damper, etc.
FAN FUNDAMENTAlS 133 Example Solution SOUND LEVELS In ma ny cas es, the so und ge ner at ed by a fa n mus t be co nsid ere d. Fo r th e fan in dust ry , a comm on un it for expressing sound pressur e level is the sone.
An important point after buying a device Greenheck Fan 129 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Greenheck Fan 129 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 Greenheck Fan 129 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Greenheck Fan 129 you will learn all the available features of the product, as well as information on its operation. The information that you get Greenheck Fan 129 will certainly help you make a decision on the purchase.
If you already are a holder of Greenheck Fan 129, 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 Greenheck Fan 129.
However, one of the most important roles played by the user manual is to help in solving problems with Greenheck Fan 129. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Greenheck Fan 129 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
