Electrical Connections - Carrier CRC2 Manual De Instalación

NTC Room Controller 2
Electrical connections and Room Controller 2 configuration
Connection of Room Controller 2 to the NTC control
panel box.
WARNING: Before connecting any wiring to the Room
Controller 2, turn off all power to the unit that will supply
power to the Room Controller, 2.
Electrical shock can cause personal injury or death.
• Keep the MODE button pressed for at least 5 seconds to
enter the configuration menu. "1-" is displayed on the screen,
which represents the first item that can be displayed and
configured.
• To check the 1- item value, press the MODE button. Press UP
and DOWN keys to change the value. Press the FAN button
to confirm the selected value. Now 1- appears again on the
display.
• To display or change the following items, press UP or DOWN
keys until the desired item is displayed.
Keep it pressed for
at least 5 seconds
• Press MODE button to display the value and change it by
pressing UP or DOWN keys. Do the same for the other items.
• To confirm a changed value, press FAN button or the change
will not be stored.
• To exit from the menu press FAN button while one item is
P
G
C
I
Check the
value
up
down
Remove the main board from the control panel box for easier
access to electric connections.
The Room Controller2 must be connected as shown in the
figure on the left. If connection between the unit and the CRC2
is longer than 3 meters (10 ft), use a screened cable BELDEN
9842.
³ Room Controller2 J2 connector.
Remote controlled connector
Signal sent to the unit (C)
Signal received by the unit (I)
Ground (G)
+12V (P)
Wiring Materials required
(supplied by installer)
• 1 small screwdriver
• For distances longer than 3 meters (10 ft), the
recommended cable is BELDEN 9842 or a 4x0.5mm
multiple double insulated cable (H03VV-F).
Change
the value
A
To check /change the following
item values (3-, 4-...),
repeat from A
displayed (1-, 2-, etc.), or wait 10 seconds without pressing any
button.
• The configurable values are shown in the table.
All values set by the manufacturer are underlined in the
"Values" column.
E N G L I S H
2
up
Store by
pressing FAN
down
GB - 5