Address Setting; Communication Wire Connection - Toshiba Carrier MCY-MAP0367HS-UL Installation Manual

Communication wire connection

Connect the communication wires to the communication wire terminals from under the electrical control box, and
secure them with the communication cable clamps.
[U1, U2] and [U3, U4] not connected
CN02
U1 U2 U3 U4
CN10
Communication
terminal board
U1 U2 U3 U4
TO INDOOR TO CENTRAL
UNIT CONTROLLER
Screw size and tightening torque
Communication wire terminal
EN-33
[U1, U2] and [U3, U4] connected
CN02
CN10
U1 U2 U3 U4
Communication
terminal board
U1 U2 U3 U4
TO INDOOR TO CENTRAL
UNIT CONTROLLER
U3, U4: Central control device
U1, U2: Communication wiring between Indoor / Outdoor unit
Tightening torque
Screw size
lbf·ft (N•m)
M4 0.9 to 1.0 (1.2 to 1.4)
– 17 –
7

Address Setting

On this unit, it is required to set the addresses of the indoor units before starting the air conditioner.
Set the addresses following the steps below.
CAUTION
• Be sure to complete the electric wiring before setting the addresses.
• If you turn on the outdoor unit before turning on the indoor units, the CODE No. [E19] is indicated on the 7-segment
display on the interface P.C. board of the outdoor unit until the indoor units are turned on. This is not a malfunction.
• It may take up to ten minutes (normally about five minutes) to address one refrigerant line automatically.
• Settings on the outdoor unit are required for automatic addressing. (Address setting is not started simply by turning
on the power.)
• Running the unit is not required for address setting.
• The addresses can be set manually.
Automatic addressing: setting addresses using SW15 on the interface P.C. board on the outdoor unit
Manual addressing: setting addresses on the wired remote control.
* When setting an address manually, the wired remote control must temporarily be paired
WARNING
• Electrical shock hazard - the electrical control box
contains high voltage parts. All adjustments for
address setting should be made through the access
cover.
Do not remove the electrical control box cover.
• After completing the address setting the access
cover should be closed and secured using the
screw provided.
with an indoor unit one-to-one. (when the system is organized for group operation and no
remote control)
Electrical control
Access cover box cover
Installation Manual
Access cover screw
EN-34