6
the setting will be finished
Pre-heating setting is in the “Power off” status and the LCD display “---”。
1、Press“HEAT ”，and enter to Pre-heating setting status, and the LCD flashes of “ON OFF”.
2、Press“OPEN ”，can turn on the pre-heating setting ( by opposite, if press“CLOSE ”, it will turn off the
pre-heating)，and at this time, “ONOFF”on LCD will turn to “ON”， and will not flash（if press“CLOSE ”
to turn off pre-heating，LCD will display“OFF”which do not flash there）。 When the system enter into time
setting of pre-heating, the setting time will flash on the LCD (this time is the pre-heating time which will start)，
at this moment, only “MIN ”and“HOUR ”are available to change the time。
It will add 1 minute when pressing“MIN ”each time and the minutes could be added the continually
when pressing the “MIN ”without stop。The adjustment range is 0~59。
It will add 1 hour when pressing
“HOUR ”each time，and the hours could be added the continually when
pressing the “HOUR ”without stop。The adjustment range is AM 0~PM 11。
And after time setting of pre-heating，you could go on to next step。
3、Press “SET
VOL+
”to continual time setting of pre-heating，it will show the minimum continue time is 10
minutes on the LCD，and this time will not flash。It will add 10 minutes by pressing“MIN ”each time，
and it will add 1 hour when pressing“HOUR ”each time，please note that the maximum of continual time
is 19 hours and 50 minutes。When you set up well of the continual time ，you could go on to the next step。
4、Press “SET
VOL+
”again to the temperature setting of pre-heating。It will show“SET”label on the LCD
panel，press “TEMP ”and button could change the temperature setting. The range of temperature
setting is 25~45℃。
5、When everything is setting well，Press“HEAT ”again，the system will quit the pre-heating setting status。
*** Notice ***
1、all setting of pre-heating must be in Power OFF status, just connect the spa with
the power supply. and the LCD display “---”。
2、please note that it shows "on" or "off" on the LCD, "on" means pre-heating is
turn on, when the time of pre-heating is the same as currently time, the heater
will start working. "off" means the heater can't start-up anytime。
3、Circulation PUMP and HEATER are not working while all setting time。
(6) Pre-heating：
When the time of real time and pre-heating time is consistent，meanwhile，there is water in the bathtub
and the pre-heating button is“on”， the system will start the pre-heating and circulation pump and auto-constant
temperature system will work at the same time。Then LCD will show count down time （the two middle spot will
not flash any longer）and corresponding working status。In the pre-heating process，till cont down time
