Carrier WeatherExpert 48LC Installation Instructions Manual page 68

Weatherexpertr series single package rooftop gas heat/electric cooling unit with puronr (r ---410a) refrigerant sizes: 14, 17, 20, 24, 26
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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
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
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.
g. Press B(Down Arrow) once, the following
display appears - -
4-18 Current Limit
110%
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 Tables 21 - - 25 for proper selection of
the value for this parameter then press OK to set the
selected value.
h. Press B(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 Y and B (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 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
f. Press B(Down Arrow) again. The following
display appears - -
5-12 Terminal 27 Digital In...
[17] Preset ref bit 1
g. Press B(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 B(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
68

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