INSTRUCTIONS
3
DEADBAND - Press button to set the temperature deadband setting.
HUMIDITY BUTTONS
HUMIDITY SETTING - Press button to set Day and Night humidity Settings.
HUMIDITY MODE - Press button to select the humidification (rH Incr) or de-humidification (rH decr)
mode.
DEADBAND - Press button to set the humidity deadband setting.
CO
2
BUTTONS
CO
2
Mode - Press button to change the CO
2
Mode. Selecting dAYlocK will disable the CO
2
output when
the Cooling output is turned on (exhaust fans are running) Selecting dAYFrEE will allow the CO
2
and
Cooling outputs to be on at the same time. Use this mode if you are using air conditioning to cool.
CO
2
ON time - Press this button to set the amount of time the CO
2
output will be turned ON for. CO
2
will be released or produced during this time.
CO
2
OFF time - Press this button to set the amount of time the CO
2
output will be turned OFF for. The
CO
2
device will remain turned OFF during this time.
NOTE: The CO
2
timer can also be used as a standard DAYTIME recycling timer if it is not used as a
CO
2
timer. (Select dAYFrEE mode)
SPLIT MODE BUTTONS
TEMP/HUMIDITY LOCK - Press button to lock or split the humidity and temperature functions. The
user has the option to run both at the same time or independently.
MIN/MAXIMUM TEMP - Press this button to recall the stored high and low recorded levels for
Temperature. Press and hold the ENTER/RESET button while the recorded value is displayed to reset
the Min/Max values.
MIN/MAXIMUM HUMIDITY - Press this button to recall the stored high and low recorded levels for
Humidity. Press and hold the ENTER/RESET button while the recorded value is displayed to reset the
Min/Max values.
NOTE: To change the temperature reading from F to C, press and hold both the UP and DOWN
buttons simultaneously for 2-3 seconds.
ERROR LEDS
The
APCETHD
is smart enough to monitor the temperature and humidity levels and to alert the user to
a problem with any of the devices connected to the APCETHD. Here is how it works.
As the unit functions normally, the environmental conditions (temp & humidity) will be slowly but
steadily changing. These small changes are detected by the controller.
If the controller does not detect a slight change in one (or more) environmental conditions within a
1-hour period, the unit will de-activate the affected output and the appropriate green error LED will be