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Adjust control differential on iGS-020, iGS-030 and iGS-040
To modify the differential
on iGS-020, iGS-030 and iGS-040
The control differential is an imposed range around the user chosen set point, to avoid that the equipment turns ON and OFF often when the controlled parameter value is getting close to this set point.
To modify the differential (iGS-020)
|
Action |
Expected Result |
|
|
Step 1 |
In reading mode, press dial and keep pressed while turning one whole turn RIGHT and one whole turn LEFT (all LEDs are supposed to turn OFF), then release dial. |
All LEDs and display will stay off for at least one second after dial has been released. When OP mode and NIGHT LEDs are flashing (0.5 second ON, 0.5 second OFF), you are in differential mode. |
|
Step 2 |
Modify the value on display (±1.8°F to ±9°F or ±1°C to ±5°C) by turning the dial (each bar is ±1.8°F), then press dial and keep pressed until OP mode and NIGHT LEDs stay on (about 3 seconds) to save modifications. |
Controller will go back in reading mode. Modifications have been saved. |
|
Or press dial and keep pressed less than 3 seconds to exit without saving modifications. |
Controller will go back in reading mode. Modifications have not been saved. |
|
To modify the differential (iGS-030)
|
Action |
Exepected Result |
|
|
Step 1 |
In reading mode, press dial and keep pressed while turning one whole turn RIGHT and one whole turn LEFT |
All LEDs and display will stay off for at least one second after dial has been released. When OP mode and NIGHT LEDs are flashing (0.5 second ON, 0.5 second OFF), you are in differential mode. |
|
Step 2 |
Modify the value on display (±2.5% to ±12.5% humidity) by turning the dial (each bar is ±2.5% relative humidity), then press dial and keep pressed until OP mode and NIGHT LEDs stay on (about 3 seconds) to save modifications. |
Controller will go back in reading mode. Modifications have been saved. |
|
Or press dial and keep pressed less than 3 seconds to exit without saving modifications. |
Controller will go back in reading mode. Modifications have not been saved. |
|
To modify the differential (iGS-040)
|
Action |
Expected Result |
|
|
Step 1 |
In reading mode, turn dial to select the parameter to modify (temperature or humidity). |
Reading is displayed and the DAY or NIGHT mode LED of this parameter is flashing (1/16 second each 2 seconds). |
|
Step 2 |
Press dial and keep pressed while turning half a turn to the RIGHT and half a turn to the LEFT (all 4 LEDs are supposed to turn ON), then release dial. |
All LEDs will stay on about one second after dial has been released and then will turn OFF. When all LEDs will turn OFF, you are in differential mode. |
|
Step 3 |
Modify the value on display for temperature (±1.8°F to ±9°F or ±1°C to ±5°C), for humidity (±2.5% to ±12.5% RH) by turning the dial (each bar is ±1.8°F or ±2.5% relative humidity), then press dial and keep pressed at least 3 seconds to save modifications. |
Controller will go back in reading mode. Modifications have been saved. |
|
Or press dial and keep pressed less than 3 seconds to exit without saving modifications. |
Controller will go back in reading mode. Modifications have not been saved. |
|
Last updated on : July 31, 2010
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