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Phason

Natural Ventilation Control

33140002

Parts and kits

If the display fails, you can replace it with a display kit. After replacing the display, you will need to
program the control. If the bottom circuit board fails, you can replace it with a control kit.



Display kit model

K331003



Control kit model

K331001

Содержание Natural Ventilation Control

Страница 1: ...emperature ature is below er on ature is abov er off e s 21 7 iew 13 11 ion 11 5 3 nnection 6 10 rview 9 18 Contro NVC 2 is a ng control n ng a curtain m in the Idle ba position bove the Idle uration...

Страница 2: ...d Four character LED display Programming and status LEDs Manual override test mode Power failure settings protection Six foot temperature probe extendable to 500 feet Rain Sensor optional Rugged enclo...

Страница 3: ...and Close LEDs will blink three times and then stay off for one second For the heater if the heater is ON the Heat LED will blink three times and then stay ON for one second if the heater is OFF the L...

Страница 4: ...tpt Adjust the curtain set point Open on duration O on Adjust the curtain open duration Open off duration O off Adjust the open idle duration Close on duration C on Adjust the close duration Close off...

Страница 5: ...Temperature probe terminal connect the temperature probe to this terminal For more information read Connecting on page 7 Display connector make sure the ribbon cable from the display is properly conn...

Страница 6: ...equipment called curtain machines which are sometimes referred to as winches The NVC 2 opens and closes the curtain to let in more air or less air the idea being more air cools the building Connecting...

Страница 7: ...m system can be a siren an alarm panel or an auto dialer See your alarm siren s installation guide for installation instructions and information about the type of system The descriptions for the alarm...

Страница 8: ...rminals 2 Place the cover on the control 3 Switch on the power to the NVC 2 it should display for three seconds the version for example v 00 for three seconds and then the temperature If the display d...

Страница 9: ...holds its position during the close cycle Curtains hold their position while the temperature is within the Idle band of the Set point For example if the Set point is 80 F and the Idle band is 4 F 2 t...

Страница 10: ...t The current setting in seconds displays and the On duration LED flashes 3 Press Up or Down to adjust the setting and then press Select The change is saved and the display shows 0 on 4 Press Down to...

Страница 11: ...nge is saved and the display shows C on 4 Press Down to move to the Close off duration or Back to cancel and return to the main display To program the Close off duration Default 120 seconds range 1 to...

Страница 12: ...Down to move to the High alarm or Back to cancel and return to the main display How hysteresis works Hysteresis is the number of degrees above the set point that a heating stage or relay switches off...

Страница 13: ...open When there is a probe damage or probe short condition the control switches all relays off Alarm messages Message and description Possible cause Possible solution Hi High temperature alarm The am...

Страница 14: ...4 Press Down to move to the Hysteresis or Back to cancel and return to the main display Changing the temperature units The NVC 2 can display temperatures in Fahrenheit or Celsius The default is Fahre...

Страница 15: ...s operate according to their settings and the test temperature This gives you an idea of how your system performs over a full range of temperatures The relays remain operating according to the test te...

Страница 16: ...n override mode For the curtain the Open and Close LEDs will blink three times and then stay off for one second For the heater if the heater is ON the Heat LED will blink three times and then stay ON...

Страница 17: ...4 Press Select The display shows Curt or heat depending which item you chose in step 1 5 Press Up or Down to select a different menu item or press Back to return the main display To override the heat...

Страница 18: ...lts If for some reason the power on method does not work use the power off method To restore the factory defaults using the POWER ON method 1 Press Up or Down until the display shows test 2 Press Sele...

Страница 19: ...ou need is a USB memory stick and a firmware update file You can update the firmware using one of two methods the power on method or the power off method The power on method is the easiest way to upda...

Страница 20: ...then the main temperature display 10 When finished remove the USB drive verify the ribbon cable is properly connected and then fasten the cover to the base To update the firmware using the POWER OFF m...

Страница 21: ...iring The display shows unusually high or low temperature The probe is not a Phason probe Remove the probe and then install a Phason probe The extension cable connected to the temperature probe is pro...

Страница 22: ...40 includes power contactor relay and mounting hardware for easy mounting in an enclosure Power contactor kit 122 1 includes power contactor relay on off auto switch and label snubber filter reduces e...

Страница 23: ...d kits If the display fails you can replace it with a display kit After replacing the display you will need to program the control If the bottom circuit board fails you can replace it with a control k...

Страница 24: ...he product must not have been involved in an accident misused abused or operated or installed contrary to the instructions in our user and or installation manuals Phason s opinion about these items is...

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