Pentair XLS800, XLS1000, CP12, XLS600 Common Mechanical Timer, SET Thermostat to Maximum

TIME CLOCK SETTING	Read your particular timer manufacturers instructions
Now that all the filters are clean and the pump is run-	to identify the one you have. Do not attempt to adjust
	the timer unless you have read these instructions.
ning with a full prime, you will need to set the pool
circulation pump timer. Set the filter pump time clock	COMMON MECHANICAL TIMER
for a long enough period of time to heat the pool or spa.
			ON Tripper Peg
The heater will not operate unless there is water run-	24 Hour Clock Face
ning through the heat exchanger supplied by the circu-
lation pump. Therefore, your pool will only heat dur-
ing the period set on the timer. When setting the timer,
be sure that you shut off the pool circulation pump cir-
cuit breaker. Then follow the timer manufacturers in-
structions to prevent electrical shock. Consult your
dealer first.
INITIAL HEAT UP TIME (HEATERS)
You should start by letting the circulation pump run 24
hours a day until the pool reaches the desired tempera-
ture. Once the pool is up to your desired temperature
you should reset the timer for a cycle of 6 to 18 hours
per day during the hottest part of the day. Heat up time		Time of Day
and operational time will vary with pool size, exposure	OFF Tripper Peg		ON/OFF
		Indicator
and weather conditions. Spas will require considerably			Switch
	NORMAL RUNNING TIME
less time to reach temperature, usually in a matter of
hours if a cover is used.	The heat pump system extracts the heat from the out-
INITIAL COOL DOWN TIME	side air and delivers it to your pool. Therefore it pro-
	duces more BTU's (heat) the warmer it is outside. So
(HEAT & COOL MODELS)	take advantage of the higher air temperatures during
You should start by letting the circulation pump run 24	the day by setting the timer for the warmest hours. Win-
	ter operation (during cold fronts) may require longer
hours a day until the pool reaches the desired tempera-
	run times up to 16 hours daily.
ture. Once the pool is down to your desired tempera-
ture you should reset the timer for a cycle of 6 to 18	SET THERMOSTAT TO MAXIMUM
hours per day during the coldest part of the day. Cool
down time and operational time will vary with pool size,	Turn the thermostat dial all the way to the right. You
exposure and weather conditions.	will turn the thermostat back to a lower position later,
	as described on the next page. The fan should now be
ADJUSTING THE TIMER	turning.
Timer styles vary, read the manufacturers instructions	There is a compressor start time delay and generally it
before attempting to reset timer. Make sure the plastic	will not start for about 5 to 7 minutes. Cooler air will
guard is in place. On this type of timer, note the On	come from the fan when the compressor is running.
and OFF trippers located on the clock face. If you	Become familiar with the compressor sound and remem-
loosen the lock screw on the tripper you can move it to	ber the compressor time delay.

a new time. Make sure the time of day is correct.
To run the 24 hours needed for the initial heat up, just	Scroll compressors may not start on the first try. Allow
remove the "OFF" tripper. When the pool reaches tem-
	Scroll type compressors several starts and time delay
perature, replace the tripper and set timer to run the water
	cycles before the compressor starts. This condition is
pump during the hottest part of the day.
	most common to new compressors or when starting

10during colder air temperatures.