Fan Only Mode - Carrier 33MC-URC Owner's Manual

Normal Operation

FAN ONLY Mode:

ICONS Energized:
S Room Temperature if configured for Room Thermistor
Override (operated by Room Controller), otherwise
nothing.
S FAN/LOUVER Icon with the user selected Fan and
Louver settings.
Buttons available:
S "MODE" and "FAN" buttons are available.
fan only Ventilation operation only.
"UP" and "DOWN" Button
(Selecting the desired temperature)
Pressing either the "UP" or "DOWN" buttons will modify the
desired temperature.
The maximum desired temperature is 32_C (90_F) and the
minimum desired temperature is 17_C (63_F).
Whenever the setpoint is being displayed, the "SET TEMP" icon is
illuminated.
Whenever the display mode is changed from "F" to "C", the
setpoint is set to the default start- -up values of 22_C for "C" mode
and 72_F for "F" mode.
If the air sensor built in the Room Control is enabled, the display
will indicate the room temperature after few seconds.
"FAN" Button
(Adjusting the ventilation speed)
Pressing the "FAN" button will cause the fan speed to change. The
"FAN" button must be pressed and then released to reach the
desired speed (Low, Medium, High or Auto).
The icon on the display indicates the change has occurred.
up
down
Auto mode setting will be displayed by blinking the fan Medium
speed and High speed icons in order (Med then Hi then repeat).
Low
Medium
High
Automatic
Fan speed will automatically switch to
the value required for optimum comfort.
When this function is activated, the
dotted symbols will flash.
LOUVER MODE SELECTION
To enter louver mode selection, make sure the Room Controller is
on and hold the "FAN" button down for 5 seconds.
After 5 seconds, the selected louver setting will be displayed.
By pressing the up and down buttons the user can modify the
louver desired configuration.
The two setting will be displayed in the following way:
"S" with Swing Louver Icon - - represents Swing Louver.
"A" with Auto Louver Icon - - represents Auto Louver.
Press "FAN" button to exit LOUVER Mode Selection.
This mode will exit automatically after 10 seconds if no buttons are
pressed.
The only way to change the operation mode, is to go back to this
menu.
NOTE:
S If units are grouped to one Room Controller , all units will end up
having the same louver value.
S Louver Mode selection is not available during OFF mode.
: Automatic louver positioning to the best position
AUTO
for the selected operating mode.
: Louvres swing continuously.
SWING
5