Manual
2100-695
Page
23 of 54
filter needs to be replaced. Once the filter(s) has been
changed, the indicator light will turn off.
Indoor Airflow Operation
High Sensible Mode
High sensible mode allows for higher airflow through
the indoor air section. In this mode, air circulation is
increased through the cooled space, but less moisture
is removed from the air circulating through the unit.
NOTE:
High sensible enable on the wall-mount unit
will only toggle high sensible mode during
orphan mode operation. When connected to the
LC6000 controller, the high sensible mode will
be overridden by the controller operation.
To change these settings:
1. Press MENU key to go to the Main Menu screen.
2. Press UP or DOWN keys and ENTER key to enter
TECHNICIAN password 1313.
3. Press UP or DOWN keys to scroll to
Adv System
Config
; press ENTER key.
4. Press UP or DOWN keys to scroll to
Blower CFM
Mode B6
.
5. Press ENTER key to scroll to
High Sensible
(see
Figure 36).
6. Press UP or DOWN keys to change
ON
or
OFF
value.
7. Press ENTER key to save.
Blower Speed Control
The blower is capable of changing speeds to best match
the requirements of the system depending on which mode
the system is in (see Table 4A or Table 4B on page 20).
The unit will automatically switch to the required
speed for each mode. High sensible mode and
dehumidification mode are both communicated
separately from the LC. For more information on the
high sensible command from LC, please see LC6000
Service Instructions 2100-669.
FIGURE 36
Enabling High Sensible Mode
Additional Indoor Airflow Alarms
Supply Air Temperature Alarm
When the supply air temperature sensor value is out of
range (-41.0 to 303.0°F), the controller will generate
a sensor failure alarm to indicate the sensor is not
working properly.
This alarm is fixed and cannot be adjusted.
Condenser Fan
Condenser Fan Components
Condenser Fan
The unit is equipped with a condenser fan that is driven
by an electronically commutated motor (ECM). This
fan is controlled by a 0-10v signal provided from the
controller. The fan operates between 100-1200 rpm.
To view the output of the condenser fan:
1. Press MENU key to go to the Main Menu screen.
2. Press UP or DOWN keys and ENTER key to enter
TECHNICIAN password 1313.
3. Press UP or DOWN keys to scroll to
I/O Config
;
press ENTER key.
4. Press UP or DOWN keys to scroll to
Cond. Fan
Output C14
.
5. Reference
Fan Speed
parameter for the current
output to the condenser fan
(see Figure 37).
FIGURE 37
Verifying Condenser Fan Output
If required, the condenser fan output can be manually
set for 5 minutes for troubleshooting purposes. The
override will last for 5 minutes or until the
Fan Override
parameter is set to
OFF
again.
To put the condenser fan into override:
1. Press ENTER key to scroll to the
Fan Override
parameter (see Figure 37).
2. Press UP or DOWN keys to change the value from
OFF
to
ON
.
3. Press ENTER key to save the value and move
cursor to
OV Speed
.
