Manual 2100-695C
Page
24 of 56
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 5A, 5B or 5C
on page 21).
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.
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).
AIRSTREAM BEFORE FILTER
TUBE LOCATED IN
COVER
REMOVE COVER
SCREW TO
TUBE LOCATED IN
AIRSTREAM AFTER FILTER
MIS-3901
ADJUSTMENT
INDICATOR ARROW
ADJUSTMENT
KNOB
FILTER
LIGHT
FIGURE 36
Dirty Filter Switch and Filter Indicator Light
MIS-3901
