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Dual Temperature Ranges (High vs. Low)
This system incorporates two temperature range settings with independent set
temperatures. The specific range can be selected on the Settings screen and is visible
on the Main Screen in the upper right corner of the display.
These ranges can be used for various reasons, with a common use being a “ready to
use” setting vs. a “vacation” setting.
Each range maintains its own set temperature as programmed by the user. This way,
when a range is chosen, the spa will heat to the set temperature associated with that
range.
High Range can be set between 80 °F and 104 °F.
Low Range can be set between 50 °F and 99 °F.
More specific Temp Ranges may be determined by the Manufacturer.
Freeze Protection is active in either range.
Heat Mode – Ready vs. Rest
In order for the spa to heat, a pump needs to circulate water through the heater. The
pump that performs this function is known as the “heater pump.”
The heater pump can be either a 2-speed pump (Pump 1) or a circulation pump.
If the heater pump is a 2-Speed Pump 1, Ready Mode will circulate water every 1/2
hour, using Pump 1 Low, in order to maintain a constant water temperature, heat as
needed, and refresh the temperature display. This is known as “polling.”
Rest Mode will only allow heating during programmed filter cycles. Since polling does
not occur, the temperature display may not show a current temperature until the heater
pump has been running for a minute or two.
When the heater pump has come on automatically (for example for heating) you can
switch between low speed and high speed but you cannot turn the heater pump off.
Circulation Mode (See Pumps, for other circulation modes)
If the spa is configured for 24HR circulation, the heater pump generally runs
continuously. Since the heater pump is always running, the spa will maintain set
temperature and heat as needed in Ready Mode, without polling.
In Rest Mode, the spa will only heat to set temperature during programmed filter times,
even though the water is being filtered constantly when in 24HR circulation mode.
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