Carrier WeatherExpert 48LC Series Installation Instructions Manual page 52

Single package rooftop gas heat/electric cooling unit with puron (r-410a) refrigerant
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d. Press ▼ (Down Arrow) twice to reach the following
display:
1—1* Motor Selection
1—2* Motor Data
e. Press OK; the following display appears:
1-20 Motor Power
[9] 1.5kW - 2 hp
NOTE: The number in the bracket may be different from what is
shown above.
f. Press OK and then use the ▲ and ▼ (Up and Down
Arrow) keys to scroll to the proper motor horsepower.
Press OK again to set the selected hp.
g. Press ▼ (Down Arrow) once, the following display
appears:
1-22 Motor Voltage
230V
h. Press OK to highlight the voltage value. Use the ▲ and
▼ (Up and Down Arrow) keys to select the nameplate
voltage. Press OK again to set the selected voltage.
i.
Press ▼ (Down Arrow) once to display the following:
1-23 Motor Frequency
60Hz
j.
Press OK to highlight the Frequency value and then use
the ▲ and ▼ (Up and Down Arrow) keys to select the
nameplate Hz. Press OK again to set the selected Hz.
k. Press ▼ (Down Arrow) once to display the following:
1-24 Motor Current
6.61A
l.
Press OK to highlight the Current value and then use the
▲ and ▼ (Up and Down Arrow) keys to select the Max
Amps value provided. Press OK again to set the selected
Max Amps.
NOTE: The Max Amps is greater than the nameplate value.
Check the VFD Unit Parameters (see Tables 26-28 on pages
55-58) and use the value listed for the given unit in the column
labeled "Motor Current Must-Hold Amps".
m. Press ▼ (Down Arrow) once to display the following
1-25 Motor Nominal Speed
1740rpm
n. Press OK to highlight the rpm value and then use the ▲
and ▼ (Up and Down Arrow) keys to select the name-
plate rpm. Press OK again to set the selected rpm.
6. Entering Parameters for 1-71, 1-73, 1-82, and 1-90:
a. Press the Menu key to move the ▼ (triangle icon) so it is
positioned over Main Menu. The display shows the fol-
lowing:
0—** Operation / Display
1—** Load and Motor
b. Press ▼ (Down Arrow) once to highlight the bottom
row.
c. Press OK, the display changes to:
1—0* General Settings
1—1* Motor Selection
d. Press ▼ (Down Arrow) until the following display
appears:
1—6* Load Depen. Setting
1—7* Start Adjustments
e. Press OK, the following display appears:
1-71 Start Delay
2.0s
f. Press OK to highlight the number and then use the ▲
and ▼ (Up and Down Arrow) keys to select the number
provided in Tables 26-28. Press OK again to set the
selected value.
g. Press ▼ (Down Arrow) twice, the following display
appears:
1-73 Flying Start
[1] Enabled
h. Press OK to highlight the number in the bracket and then
use the ▲ and ▼ (Up and Down Arrow) keys to select
the number provided in Table 26-28. Press OK again to
set the selected value.
i.
Press the Back key once, the following display appears:
1—6* Load Depen. Setting
1—7* Start Adjustments
j.
Press ▼ (Down Arrow) once, the following display
appears:
1—7* Start Adjustments
1—8* Stop Adjustments
k. Press OK, the following display appears:
1-80 Function at Stop
[0] Coast
l.
Press ▼ (Down Arrow) once, the following display
appears:
1-82 Min Speed for Functio...
1.0 Hz
m. Press OK to highlight the number and then use the ▲
and ▼ (Up and Down Arrow) keys to select the number
provided in Tables 26-28. Press OK again to set the
selected value.
n. Press the Back key once, the following display appears:
1—7* Start Adjustments
1—8* Stop Adjustments
o. Press ▼ (Down Arrow) once, the following display
appears:
1—8* Stop Adjustments
1—9* Motor Temperature
p. Press OK, the following display appears:
1-90 Motor Thermal Prote...
[4] ETR trip 1
q. Press OK to highlight the number in the bracket then use
the ▲ and ▼ (Up and Down Arrow) keys to select the
number provided in Tables 26-28. Press OK again to set
the selected value.
7. Setting References:
a. Press the Menu key to move the ▼ (triangle icon) so it is
positioned over Main Menu. The display shows the fol-
lowing:
0—** Operation / Display
1—** Load and Motor
b. Press ▼ (Down Arrow) three times, the following dis-
play appears:
2—** Brakes
3—** Reference / Ramps
52

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