Carrier WeatherExpert 50LC 07 Series Service And Maintenance Instructions page 48

8. Setting the Ramp Time:
a. Press the Back key until the following display
appears:
3—0* Reference Limits
3—1* References
b. Press ▼ (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 ▲ and ▼ (Up and Down Arrow) keys to select
10.00s. Press OK again to set the selected Ramp up
Time.
e. Press ▼ (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 ▲ and ▼ (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 ▼ (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
d. Press OK again, the following display appears:
4-10 Motor Speed Direction
[2] Both Directions
e. Press ▼ (Down Arrow) once, the following display
appears:
4-12 Motor Speed Low Limi...
0.0Hz
f. Press ▼ (Down Arrow) again, the following display
appears:
4-14 Motor Speed High Limi...
65.0Hz
NOTE: Press OK to highlight the Hz value and then use the ▲
and ▼ (Up and Down Arrow) keys to enter the required values.
g. Press ▼ (Down Arrow) once, the following display
appears:
4-18 Current Limit
110%
NOTE: Press OK to highlight the % value and then use the ▲ and
▼ (Up and Down Arrow) keys to enter the required value. See
Tables 24-27 for proper selection of the value for this parameter,
then press OK to set the selected value.
h. Press ▼ (Down Arrow) once, the following display
appears:
4-19 Max Output Frequency
65.0Hz
NOTE: Press OK to highlight the Hz value and then use the ▲
and ▼ (Up and Down Arrow) keys to enter the required values.
10. Setting Digital Inputs:
a. Press the Back key until the following display
appears:
3—** Reference / Ramps
4—** Limits / Warnings
b. Press ▼ (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 ▼ (Down Arrow) once to move the highlight to
the bottom row and then press OK. The following dis-
play appears:
5-10 Terminal 18 Digital In...
[8] Start
e. Press ▼ (Down Arrow) again. The following display
appears:
5-11 Terminal 19 Digital In...
[16] Preset ref bit 0
f. Press ▼ (Down Arrow) again. The following display
appears:
5-12 Terminal 27 Digital In...
[17] Preset ref bit 1
g. Press ▼ (Down Arrow) again. The following display
appears:
5-13 Terminal 29 Digital In...
[18] Preset ref bit 2
NOTE: By pressing OK, the number in the bracket can be
changed until the desired number appears. Press OK again to set
the selected value.
11. Setting Analog Inputs:
a. Press the Back key until the following display
appears:
4—** Limits / Warnings
5—** Digital In/Out
b. Press ▼ (Down Arrow) until the following display
appears:
5—** Digital In/Out
6—** Analog In/Out
c. Press OK, the following display appears:
6—** Analog In/Out
6—1* Analog Input 53
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