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Airstream TC4-2N6F User Manual

Airstream TC4-2N6F
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20
TC4-2N6F.rev.07
TO RESET THE MINIMUM AND MAXIMUM
TEMPERATURES (CONTINUED)
Turn the adjustment knob clockwise (or counterclockwise) by
one notch and leave it in this position. The minimum (or
maximum) temperature first appears flashing on the display.
After 10 seconds, the display stops flashing and the room
temperature again appears on the display, indicating that the
reset is completed.
NOTE : To avoid resetting the minimum et maximum temperatures
while recalling them, be sure to return to the room temperature
display within the 10 second delay.
Room Set Point / Temperature Curve
There are two ways to specify the target room temperature:
Adjust the room set point to the desired value and do not activate the
temperature curve. The controller will operate according to this target
room temperature as long as the temperature curve remains deactivated.
Program a temperature curve comprised of six points and activate the
temperature curve. For each of the six points, you must specify a day
number and a room set point for this day number. The controller will
automatically change the target room temperature every hour in a linear
fashion between two consecutive points. When the last point is reached,
the temperature curve becomes deactivated. The controller continues to
operate according to the last room set point until you activate the
temperature curve once again or specify a new room set point. You can
also deactivate the temperature curve before the last point is reached.
33
TC4-2N6F.rev.07
Stage 2 Fans
Description of operation ( Refer to figure 2 on next page)
When the room temperature rises to
"room set point + band width 1 + 0.5°F
(0.3°C)"
(point 3), the stage 2 fans start to run at minimum speed and in-
crease in speed proportionally to the room temperature. When the room
temperature rises to
"room set point + band width 1 + 0.5°F (0.3°C) + differ-
ential 2"
(point 4), the stage 2 fans reach full speed. Above this temperature,
the controller continues to supply full speed voltage. However, a latch switch
should cut off power to the stage 2 fans as the zone A or zone B curtains
open for natural ventilation.

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Airstream TC4-2N6F Specifications

General IconGeneral
BrandAirstream
ModelTC4-2N6F
CategoryController
LanguageEnglish

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