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Phason 

Natural Ventilation Control 

33440000  

11 

To program the Open off duration 

Default: 180 seconds, range: 1 to 900 (up to 15 minutes) 

1.

 

Press 

Up

 or 

Down

 until the display shows 

0 o f f

2.

 

Press 

Select

The current setting (in seconds) displays and the

 Off 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 o f f

4.

 

Press 

Down

 to move to the

 Close on duration

, or 

Back

 to cancel and return to the main display. 

 

To program the Close on duration 

Default: 30 seconds, range: 1 to 900 (up to 15 minutes) 

1.

 

Press 

Up

 or 

Down

 until the display shows 

C

 

o n

2.

 

Press 

Select

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 

C

 

o n

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 900 (up to 15 minutes) 

1.

 

Press 

Up

 or 

Down

 until the display shows 

C o f f

2.

 

Press 

Select

The current setting (in seconds) displays and the

 Off duration

 LED flashes. 

3.

 

Press 

Up

 or 

Down

 to adjust the setting and then press 

Select

The change is saved and the display shows 

C o f f

4.

 

Press 

Down

 to move to the

 Idle band

, or 

Back 

to cancel and return to the main display. 

 

To program the Idle band 

Default: 2.0°F, range: 1.0 to 10.0°F (0.6 to 5.5°C) 

1.

 

Press 

Up

 or 

Down

 until the display shows 

b a n d

2.

 

Press 

Select

The current setting (in degrees) displays and the

 Idle band 

LED flashes. 

3.

 

Press 

Up

 or 

Down

 to adjust the setting and then press 

Select

The change is saved and the display shows 

b a n d

4.

 

Press 

Down

 to move to the

 Heat set point

, or 

Back

 to cancel and return to the main display. 

Содержание NVC-2-12

Страница 1: ...tion the NV or closes the temperature 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 is a fu our curtain o ature in a roo grammed sett ered...

Страница 2: ...is w temperature one close odel NVC 2 1 odel NVC 2 24 A at 30 VDC A at 120 23 2 HP at 120 4 A at 125 VA 2 A at 125 VA any equipme s For more e A F F P M P T 5 R R w L 2 12 VDC 4 24 VDC C 30 VAC resis...

Страница 3: ...nd 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 LE...

Страница 4: ...oma Select automa Switch the ala Adjust the tes Restore the fa Display the fir Update the firm Adjust the cur Adjust the cur Adjust the ope Adjust the clo Adjust the clo Adjust the Idle Adjust the hea...

Страница 5: ...t a curta n page 6 heater or furna ater on page 6 battery cable to on read Connec nnect the tempe e ribbon cable f n external alarm page 7 nal Rain Sensor memory stick to age 19 5 6 4 ain machine to t...

Страница 6: ...s the cu a being more s fired fur s shown in th es using hot on their name urnace man Gas fired fu Make sure y ol front cover a using the fo rner of the b hine equipment c times referre urtain to let...

Страница 7: ...rm system An alarm 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 descripti...

Страница 8: ...ON the power until you have finished all wiring and verified all equipment is properly connected and free of obstructions Finishing the installation 1 Make sure all wires are properly connected to the...

Страница 9: ...olds 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 the...

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: ...own 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 F...

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

Страница 15: ...lays 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...

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 heate...

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: ...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 update...

Страница 20: ...d 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...

Страница 21: ...wiring 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 p...

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

Страница 23: ...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 Model NVC 2 12 Display kit model K331003 Control...

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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