Digital Aquatics ReefKeeper Lite, Руководство пользователя

Страница: 28 / 30

50
ReefKeeper Lite User Guide
Support
Appendix B: Function Examples
Controller Function Examples
These examples have been designed to give a brief description of the settings required to gener-
ate an intended result using the controller function.
Example Settings for a Heater
This example covers the basic function of turning on a heater when the temperature has
reached a low point.
Device iTemp (any temp probe can be used)
Set Point 78.0
On When Below
Hysteresis 0.1
* 0.1 is a the smallest usable hysteresis that can be set for temp and is
suggested.
No alarms or standby are needed to operate a heater.
Example Settings for a Fan or Chiller
This example covers the basic function of turning on a chiller when the temperature has
reached a high point.
Device iTemp (any temp probe can be used)
Set Point 78.0
On When Above
Hysteresis 0.1
* 0.1 is a the smallest usable hysteresis that can be set for temp and is
suggested.
No alarms or standby are needed to operate a fan or chiller.
Example Settings for a pH Controller
This example covers raising pH and it should be noted that an SL1 is needed to monitor pH.
Device pH
Set Point 8.25
On When Below
Hysteresis 0.05
No alarms or standby are needed to operate a fan or chiller.
ReefKeeper Lite User Guide
51
Support
Example of Hysteresis
This example shows a temperature graph for a common setup utilizing the controller function
to turn on and off a heater. When using the Controller function for a heater, the function set-
ting for “On When” should be set to “Below”. Hysteresis is abbreviated by H.
Set Point + H
Set Point - H
Set Point
On when less than or equal to Set Point - H
Off when greater than or equal to Set Point + H
Temperature