Technibel CAFP 124 R Installation Instructions Manual page 76

04-393 DC INV Tech p 64-110
10-16. System Control
System control refers to connecting link wiring for control, for simultaneous-operation multi systems, group control,
and main-sub remote controller control.
10-16-1. Basic wiring diagram 1
Single type and simultaneous-operation multi system
G
Simultaneous-operation multi system
Up to 4 (Double-Twin) indoor units can be connected to 1 outdoor unit for operation.
(However, coordinate the outdoor unit capacity and the total capacity of the indoor units.)
(It is not possible to connect individual remote controllers for independent operation.)
G
Be careful to avoid miswiring when connecting the wiring. (Miswiring will damage the units.)
Example: Using a wireless remote controller
with a simultaneous-operation multi system
Leakage breaker
Inter-unit control wiring
Leakage breaker
mounted
unit No. 1
Ground
Wireless remote
controller
When using wall-mounted units in a simultaneous-operation multi
*
system, connect the remote controller crossover wiring to the remote
controller connector (2P) on the main unit, as shown in the diagram.
(Wiring procedure)
(1) Set the No. 1 wall-mounted indoor unit so that it can be operated by the wireless remote controller. (This is set
at the time of shipment.)
On the indoor unit control PCBs, set the No. 2 and following wall-mounted units to the sub remote controller.
(Refer to 10-16-5.)
(2) Connect the crossover wiring to the lead wires (white/black) which extend out from the remote controller connec-
tors of the No. 1 indoor unit and other wall-mounted indoor units (as shown in the basic wiring diagram 1 above).
Connect the crossover wiring to 1 and 2 on the remote controller wiring terminal plate for units (4-way, ceiling-
mounted, etc.) other than the No. 1 indoor unit.
(3) Connect the inter-unit control wiring to 1 and 2 on the No. 1 indoor unit terminal plate, and to 1 and 2 on the
outdoor unit terminal plate.
Also connect the inter-unit control wiring between the indoor units.
(4) When the indoor and outdoor unit power is turned ON, automatic address setting is performed (when there is
only 1 outdoor unit or when the system address is 0).
12/13/04 11:35 AM Page 76
System address (S2)
(Setting at shipment:
Outdoor unit
L N 1 2
Ground
L
Wall-
Wall-
N
mounted
1
type
2 type
Indoor
Indoor
Ground
unit No. 2
2P
(white)
Connection to
lead wire (white/black)
For group control (wiring locally supplied)
Remote controller crossover wiring
2
(Dia. 0.5 to 2 mm
Total length of wiring 200 m or less
(Using a wired remote controller with a
single-type system)
1. Wall-mounted units do not include a
"0")
terminal plate for connecting a remote
controller.
2. To connect the remote controller,
remote controller cord is required.
L L
Wall-
N N
mounted
1
2 type
1
2
Indoor
Out-
Ground
unit No. 3
door
unit
Ground
)
Fig. 10-13
76
Leakage breaker Leakage breaker
4P
terminal
L
plate
Ground
N L
N
Indoor
1 1
unit
2 2
Wired remote
controller
(Field
supply)
1 2
white black