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www.DaikinApplied.com 89
IM 926-3 • ROOFPAK APPLIED SYSTEMS
Figure 102: Tape Fulcrum Alignment Plate to Vane
9.
Locate and install the fulcrum used in the leveling
a.
Wipe the bottom of the louver door where the
fulcrum will be located so that the duct tape will
stick to it.
b.
Pre-apply duct tape to the top surface of the
bottom portion of the fulcrum, extending it about
one inch beyond the edges on three sides.
c. With the alignment plate taped to the vane and the
vane in the zero airflow position, locate the fulcrum
parallel to and against the alignment plate.
d.
Once the fulcrum is in position, press the duct tape
extensions down to hold the fulcrum in place.
e.
Remove the alignment plate after installing the
fulcrum.
NOTE:
The zero airflow position is when the vane is swung
away from the back wall and gently resting against
its stop.
10. Close and latch the louvered intake door.
11.
Remove the cover from the access opening in the bottom
blade of the outdoor air intake louver (see
12.
Verify that the unit fans are off and that the outdoor air
dampers are closed. If there is a wind, cover the outdoor
air louvers with poly film, cardboard, or other suitable
material to prevent adverse readings due to wind.
13.
Rest the leveling weight assembly on the fulcrum, as
shown in
, so that:
a.
Bottom two thumbscrews rest on the top edge of
the fulcrum.
b. Its top thumbscrew rests against the vertical
alignment mark on the vane.
NOTE:
The alignment mark is located 0.50 inch in from the
bend on the outer edge of the vane. It intersects with
a hole located one inch up from the bottom outer
edge of the vane.
14.
Set up the leveling test as follows:
a.
While holding the weight so it stays on the fulcrum,
manually rotate the vane to the wide-open position,
manually return it to the zero CFM position, and
gently release the vane.
b.
Locate the leveling weight assembly so its contact
point is against the vertical mark on the vane.
c.
While the weight assembly teeters on the fulcrum,
gently rap the base frame to slightly vibrate the
assembly and encourage the vane to seek its
equilibrium point.
15. Read the current
LH Lvl Pos=
(or
RH Lvl Pos=
) parameter
in the DesignFlow Setup menu on the keypad/display.
These parameters vary from 20% to 80% depending on
the position of the DesignFlow vane
16.
If the value indicated by the
LH Lvl Pos=
(or
RH Lvl Pos=
)
parameter is not within the range of 23.64% to 24.08%,
adjust the level of the DesignFlow unit using the procedure
Making Level Adjustments on page 90
17. When the
LH Lvl Pos=
(or
RH Lvl Pos=
) value is in range,
remove the fulcrum and leveling weight assembly and
replace the access opening cover in the louvered door.
D u c t T a p e
V a n e
F u l c r u m
A l i g n m e n t
P l a t e
T h i s E d g e
F l u s h w i t h
B o t t o m o f V a n e
T h e s e E d g e s
F l u s h w i t h
B o t t o m o f
V a n e
D u c t T a p e
Содержание RoofPak RCS Series
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