Wiring Diagram - Carrier RAV-SP180UT-UL Installation Manual

4-way Air Discharge Cassette Type
System interconnection wires
and ground wire
1. Strip the wire ends.
System interconnection wire : 0.4" (10 mm)
Ground wire : 0.8" (20 mm)
2. Match the wire colors with the terminal numbers on
the indoor and outdoor units' terminal blocks and
firmly screw the wires to the corresponding
terminals.
3. Secure the ground wire with the ground screw.
4. Fix the wires with a cord clamp.
0.8" (20)
Ground wire
• Firmly tighten the screws of the terminal block.
Keep the wire length as shown in figure below when it
is connected to the terminal block.
System
interconnection wire
21-EN
Unit: in (mm)
1.2" (30)
L L S
1 2
0.4" (10)
CAUTION
Wiring on the ceiling panel
According to the Installation Manual of the ceiling
panel, connect the connector (20P: White) of the
ceiling panel to the connector (CN510: White) on P.C.
board of the electric parts box.
Remote Control Wiring
• Strip off the wire approx. 0.4" (9 mm) to connect.
• For a single system, use non polarity, 2 core wire for
the remote control wiring. (2 x AWG 20)
Terminal block for
remote control wiring
of indoor unit
A
B
Remote control wire
(Field procurement)
• For the details of wiring/installation of the remote
control, refer to the Installation Manual enclosed with
the remote control.

Wiring diagram

▼ Single system
Low voltage
Indoor unit
A B
Remote
control
– 21 –
Installation Manual
Terminal block
Remote
A
control
B
unit
208/230-1-60
L L S
1 2
High voltage
L L S
1 2
Outdoor
unit