54
f. Press the Back key until the following display
appears --
3--- 0* Reference Limits
3 --- 1 * R e f e r e n c e s
g. Press B(Down Arrow) once to move the high-
light to the bottom row and then press OK.The
following display appears --
3-10 Preset Reference
[0]0.00%
h. Press OK once to highl ight the number in the
bracket. Press OK aga in; the highlight moves to
the current percent value.
Use the Y and B (Up and Down Arrow)keys
and the table below to enter the required Preset
Refere nce values.
[0]0.00% Stop
[1]LL.LL% Low Speed (see Table 17, column
labeled “Preset References 3---10[1]”
for the proper % for each unit)
[2]MM.MM% Medium Speed (see Table 17, column
labeled “Preset References 3---10[2]”
for the proper % for each unit)
[3]100% Override (High Speed)
[4]100% High Speed (100% or close to 100%
to achieve the required CFM at high
speed)
[5]0.00% Stop
[6]0.00% Stop
[7]0.00% Stop
8. Setting the Ramp Time:
a. Press the Back key until the following display
appears --
3--- 0* Reference Limits
3 --- 1 * R e f e r e n c e s
b. Press B(Down Arrow) twice, the followin g
display appears --
3 --- 1 * R e f e r e n c e s
3 --- 4 * R a m p 1
c. Press OK, the following display appears --
3-41 Ramp 1 Ramp up Time
3.00s
d. Press OK again to highlight the bottom row and
use the Y and B (Up and Down Arrow)keys
to select 10.00s. Press OK again to set the select-
ed Ramp up Time.
e. Press B(Down Arrow) once, the follow in g
display appears --
3-42 Ramp 1 Ramp Down Time
3.00s
f. Press OK again to highlight t he bot tom row and
use the Y and B (Up and Down Arrow)keysto
select 10.00s. Press OK again to set the selected
Ramp Down Time.
9. Setting Limits:
a. Press the Back key until the following display
appears --
2 --- * * B r a k e s
3---** Reference / Ramps
b. Press B(Down Arrow) once, the followin g
display appears --
3---** Reference / Ramps
4--- ** Limits / Warnings
c. Press OK, the following display appears --
4--- 1* Motor Limits
4 --- 4 * A d j . W a r n i n g 2
d. Press OK again, the following display appe ars --
4-10 Motor Speed Direct ion
[2] Both Directions
e. Press B(Down Arrow) once, the follow in g
display appears --
4-12 Motor Speed Low Limi…
0.0Hz
f. Press B(Down Arrow) again, the following
display appears --
4-14 Motor Speed High Limi…
65.0Hz
NOTE:PressOK to highlight the Hz value and then use
the Y and B (Up and Down Arrow) keys to enter the
required val ues.
g. Press B(Down Arrow) once, the followin g
display appears --
4-18 Current Limit
110%
NOTE:PressOK to highlight the % value and then use the
Y and B (Up and Down Arrow) keys to enter the required
value. See T able 17 for proper selection of the value for this
parameter then pres s OK to set the selected value.
h. Press B(Down Arrow) once, the followin g
display appears --
4-19 Max Output Frequency
65.0Hz
NOTE:PressOK to highlight the Hz value and then use
the Y and B (Up and Down Arrow) keys to enter the
required val ues.