If Sun  -020/020      Then ACT ON 
If Sun  000/000       Then LT1 ON 
If Sun  020/-020      Then LT2 ON 
If Sun  040/-040      Then LT3 ON 
If Sun  060/-060      Then NL1 OFF
If Sun  060/-060      Then NL2 OFF
If Sun  060/-060      Then LTF OFF
If Moon 000/000       Then MON ON 
If Temp < RT+-0.2     Then HT1 ON 
If Temp > RT+0.0      Then HT1 OFF
If Temp > 84.0        Then LT1 OFF
If Temp > 85.0        Then LT2 OFF
If Temp > 86.0        Then LT3 OFF
If Temp < 86.0        Then UVS ON 
If pH   > 08.50       Then LT1 OFF
If pH   > 08.55       Then LT2 OFF
If pH   > 08.50       Then LT3 OFF