Johnson Controls VRF System Engineering Manual page 38

OPTIONAL PARTS
Connect the accessory connecting cable to the terminal block.
4
Open the electrical box cover of the indoor unit.
Attach the connecting cable to terminals A and B in the
electrical box. (There is no polarity with terminals A and B.)
After attaching the connecting cable to each terminal, run
5
it out to the false ceiling or outside of the unit.
Connect it to the IR receiver kit.
Refer to the "Installation and Maintenance Manual" of
the indoor unit for indoor unit wiring instructions. When
running the connecting cable, run it to the installation
position of the IR receiver kit through the top of the
mounting plate for the indoor unit. After running the
connecting cable, take the distance (from 3-15/16 to
7-7/8 inch (from 100mm to 200mm) from the indoor unit
undersurface to the connecting cable as shown in the
figure at the right.
After running the connecting cable, clamp the extra
length of the connecting cable using the plastic band and
store it inside the ceiling.
Attach the decorative panel.
6
Refer to the installation manual for the decorative panel.
After the installation work for the decorative panel is completed, attach the IR receiver kit.
7
(1) Take the connecting cable out from the corner pocket of the decorative panel. Connect the wiring for
the IR receiver kit to the relay connector as shown below.
After connecting, cover the relay connector connection with the wiring cover, and attach the wiring
cover with the plastic bands.
Corner Pocket
IR Receiver Kit
3-10
Decorative Panel
Connecting Cable
Mark Band "A"
Mounting Plate
Relay Connector
Relay
Plastic Band
Connector
Wiring Cover
Plastic Band
Terminal Block for
Controller
Connecting
Cable
Mark Band "B"
Indoor Unit
Wiring Connection
TC-16002-rev.1