20
Low speed starts automatically for 1 minute every 30 min-
utes to detect the spa temperature (polling) and then to
heat to the set temperature if needed. (in READY Mode
only
– see MODE
FUNCTION),
or when a filter cycle is
activated, or when a freeze condition is detected.
PUMP AUTOMATIC TIME-OUT
High speed –
15 minutes
Low speed –
30 minutes
FILTER CYCLES
The system is factory programmed with one filter cycle
that will run in the evening (assuming the time of day is
properly set) when energy rates are lower. The filter time
and duration are programmable. A second filter cycle can
be enabled and programmed as needed. We recommend
you start with as long a filter cycle as possible and over
time, if you wish, you can reduce your filter cycles de-
pending on your usage, chemical program and overall
water quality.
At the start of each filter cycle Pump 2 (if there is one) will
run briefly to purge its plumbing and maintain good water
quality. The factory default is 4 hours per filter cycle.
PROGRAMMING FILTER CYCLES
To change the factory default filter cycle settings
MODE FUNCTION (Ready and Rest)
A combination of keypads is used to change hot tub op-
eration to either
‘READY’ or ‘REST’ mode.
PUMP / JETS FUNCTION
Press this pad to activate pump 1 and
pump 2 (if equipped)
1st press –
turns on low speed (P1 only)
2nd press –
turns on high speed (1st press P2)
3rd press –
turns off pump (2nd press P2)
When low speed is already operating, the 1st press
of the pad puts the pump directly into high speed.
At the main screen, begin by pressing TEMP
READY MODE
READY mode will circulate the water every 30 minutes,
using Pump1 Low, in order to maintain a constant water
temperature, heat as needed, and refresh the tempera-
ture display. This is known as “polling”.
REST MODE
REST mode will only allow heating during programmed
filter cycles. Since polling does not occur , the tempera-
ture display may not show a current temperature until
the heater pump has been running for a minute or two.
PROGRAMMING MODE FUNCTION
Press LIGHT repeatedly until FLTR appears
Press TEMP to advance to the beginning of the
time setting process for filtration. (F1 or F2)
TEMP advances to the first screen to change the
time for F1 or F2. (BEGN will appear)
The hour will flash. Press TEMP to change the hour
Press LIGHT to advance to minutes
Press TEMP to change the minutes
Press LIGHT to set the Run Hours
Press TEMP to begin hour change for F1 or F2
Each TEMP press increments the hours
LIGHT press advances to minutes
Each TEMP press advances the time 15 minutes
Press LIGHT when finished
Press TEMP
Press LIGHT repeatedly until MODE appears
In MODE, TEMP button toggles between SET
READY and SET REST
Choose SET READY or SET REST, then press
LIGHT to set and exit.
SETTING THE CLOCK
At the main screen, begin by pressing TEMP
Press LIGHT repeatedly until TIME appears
Press TEMP at TIME (HRS begin to flash)
Press TEMP keys to change hours
Press LIGHT (minutes begin to flash)
Press TEMP keys to change minutes
Press LIGHT to exit
Summary of Contents for Serenity Hot Tubs
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