SWIMMING POOL HEAT PUMP UNIT - hayward-pool-assets.com Download PDF Epub
6.2 Wiring Diagram 17 6.3 Exploded View and Spare Parts List 18 6.4 Warranty 20. 1. PREFACE 1 In order to provide our customers with quality, reliability and versatility, this product has ... • The Swimming Pool Heat Pump Unit heats the swimming pool water and keeps the . •Discharge all water in the water pump and water system so that .
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mills. This type is expensive and pump applica-tions cannot take advantage of its beneﬁts. The most common type of VFD, and the one recom-mended by Flygt, is the PWM – Pulse Width Modulation. Fig 2. Schematic signal from a PWM-type VFD The PWM-type VFD normally uses a constant voltage which is pulsed with integrated bi-polar power .... Reading & Download »
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VFD Savings Example • 30 HP Pump in a constant flow (non-VFD) system runs 250 days a year and has a duty cycle of 80%. • Converting to a VFD and an assumed 60% fan speed and fan running 22 hours /day • Estimated savings = 270.6 Kw/day = $18.94 / day • Savings = $ 4,735.00 (energy at .07 / Kw) • 30 HP VFD List Price = $7500.00. Reading & Download »