Carrier WeatherExpert 48LC Installation Instructions Manual page 60

Single package rooftop gas heat/electric cooling unit with puronr (r ---410a) refrigerant size: 07
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[0]0.00%
Stop
[1]LL.LL%
Low Speed (see Table
labeled "Preset References 3--- 10[1]"
for the proper % for each unit)
[2]MM.MM%
Medium Speed (see Table
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* References
b. Press B(Down Arrow) twice, the following
display appears - -
3--- 1* References
3--- 4* Ramp 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 following
display appears - -
3-42 Ramp 1 Ramp Down Time
3.00s
f. 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 selected
Ramp Down Time.
9. Setting Limits:
a. Press the Back key until the following display
appears - -
2--- ** Brakes
3--- ** Reference / Ramps
b. Press B(Down Arrow) once, the following
display appears - -
3--- ** Reference / Ramps
4--- ** Limits / Warnings
c. Press OK, the following display appears - -
4--- 1* Motor Limits
4--- 4* Adj. Warning 2
20,
column
20,
column
NOTE: Press OK to highlight the Hz value and then use
the Y and B (Up and Down Arrow) keys to enter the
required values.
NOTE: Press OK to highlight the % value and then use the
Y and B (Up and Down Arrow) keys to enter the required
value. See Table 20 for proper selection of the value for this
parameter then press OK to set the selected value.
NOTE: Press OK to highlight the Hz value and then use
the Y and B (Up and Down Arrow) keys to enter the
required values.
10. Setting Digital Inputs:
60
d. Press OK again, the following display appears - -
4-10 Motor Speed Direction
[2] Both Directions
e. Press B(Down Arrow) once, the following
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
g. Press B(Down Arrow) once, the following
display appears - -
4-18 Current Limit
110%
h. Press B(Down Arrow) once, the following
display appears - -
4-19 Max Output Frequency
65.0Hz
a. Press the Back key until the following display
appears - -
3--- ** Reference / Ramps
4--- ** Limits / Warnings
b. Press B(Down Arrow) once, the following
display appears - -
4--- ** Limits / Warnings
5--- ** Digital In/Out
c. Press OK, the following display appears - -
5--- 0* Digital I/O mode
5--- 1* Digital Inputs
d. Press B(Down Arrow) once to move the high-
light to the bottom row and then press OK. The
following display appears - -
5-10 Terminal 18 Digital In...
[8] Start
e. Press B(Down Arrow) again. The following
display appears - -
5-11 Terminal 19 Digital In...
[16] Preset ref bit 0

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