![Phason NVC-2-12 Manual Download Page 17](http://html1.mh-extra.com/html/phason/nvc-2-12/nvc-2-12_manual_1536698017.webp)
Phason
Natural Ventilation Control
33440000
17
There is a three-second delay when switching between Open and Close. This is
to allow the motor to stop before switching directions.
The NVC remains in override mode until you exit; it does not timeout or exit
automatically.
To exit manual mode
1.
Press
Up
or
Down
until the display shows the item you want (
C u r t
for curtain or
h e a t
for
heater).
2.
Press
Select
.
The relay LED(s) blink rapidly and the display shows
O v r d
.
3.
Press
Up
or
Down
until the display shows
A u t o
.
4.
Press
Select
.
The display shows
C u r t
or
h e a t
, 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 heater
1.
Press
Up
or
Down
until the display shows
H e a t
.
2.
Press
Select
.
The
Heat
LED blinks rapidly.
If you are in automatic mode, the display shows
A u t o
.
If you are in override mode, the display shows
O v r d
.
3.
Press
Up
or
Down
until the display shows
O v r d
.
4.
Press
Select
.
The display shows
o n
(on).
5.
Press
Up
or
Down
to switch between
o n
and
o f f
(off).
6.
Press
Select
.
The control returns to the main menu and the display shows
C u r t
.
7.
Press
Up
or
Down
to select a different menu item, or press
Back
to return the main display.