New Viking Hot Tub

[Waterbug]

  I recently purchased a Viking Royale hot tub.  Our previous tub was a Hot Springs.  I realize that I went from a Cadillac to a Chevy.  My issue/concern is that the Viking has a minimum preset cycle time of 2 hours every 12 hours.  It can be increased, but not decreased.  Since it has a 5 Hp pump, which I would assume be 2.5 Hp at low speed, 4 hours a day to filter a 300 gallon tub seems excessive.  Most in-ground pools cycle about that long. The only alternative that I see, to decrease the cycle time, is to disconnect the power completely.  Anyone have any other ideas or solutions.  It is on a 50 amp/240 VAC GFI.

[Jet Sitter]

Waterbug - Yes that is probably more filter time than you need but the extra pump time should not be too costly in terms of electricity.  My advice - don't worry about it.

[Dr. Spa™ Ret.]

Low speed is typically 1/8 of high speed ( not 1/2 as you assume).

[Waterbug]

Low speed is typically 1/8 of high speed ( not 1/2 as you assume).

  My bad !!  I just assumed that it was working at 120VAC instead of 240VAC.  Another lesson relearned: " Never ASSUME anything. "

[Dr. Spa™ Ret.]

NOT voltage, horse power

[Waterbug]

NOT voltage, horse power

P=I X E.   Power = Current X Voltage.   Watts= Amps X Volts.   1 Horse power = 746 watts.  746w/240V = 3A.  746w/120V = 6A.  Voltage IS NOT horse power, but if you half the voltage and maintain the same current, you half the horse power.   If you maintain the same voltage and half the current, you half the horse power.
  I mistakenly "assumed" that they halved the applied voltage to half the output horse power and thus run the pump at half  speed.