44
WT09050X01
10-3. Control cable specifications
・Transmission cable
Type 2-core shielded cable CVVS, CPEVS, or MVVS
Size 1.25 mm
2
(AWG 16)
Length Max. 200 m (656 ft)
Remarks
The maximum allowable length of transmission cables via outdoor units (both centralized control transmission cables
and indoor-outdoor transmission cables) is 500 m (1640 ft)
*1
.
The maximum allowable length of transmission cables from the power supply unit to each outdoor unit or to the system
controller is 200 m (656 ft).
* Do not use a single multiple-core cable to connect indoor units that belong to different refrigerant systems. The use of a multiple-core cable
may result in signal transmission errors and malfunctions.
* Ensure shield continuity when extending the transmission cable.
*1 When extending the length of the transmission cables to 1000 m (3280 ft), consult your dealer.
・Remote controller cable
ME remote controller cable MA remote controller cable
Type 2-core sheathed cable (unshielded) CVV
Size 0.3–1.25 mm
2
(AWG 22–16) (0.75–1.25 mm
2
(AWG 18–16) if a simple remote controller is connected)
Length
Max. 10 m (32 ft)
* If the length exceeds 10 m (32 ft), use a 1.25 mm
2
(AWG 16) shielded cable.
Max. 200 m (656 ft)
10-4. System configuration
・Unit code and the maximum number of connectable units
Unit type Code Number of connectable units
Outdoor unit Main unit OC –
Indoor unit IC 1 to 50 units per OC (depends on the unit model)
HBC controller
Main
HB
1 to 2 units per OC
Sub
HS
0 to 2 units per OC
Remote controller RC 0 to 2 units per group
Transmission booster unit RP 0 to 2 units per OC
* A transmission booster unit may be required depending on the number of connected indoor units. The outdoor unit does not support
PAC-SF46EPA but PAC-SF46EPA-G only.
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