Mitsubishi Electric PUHY-P450YKB-A1.TH [39/106] 3 control cable specifications

Mitsubishi Electric PUHY-P450YKB-A1.TH [39/106] 3 control cable specifications
GB
GB-37
KD79S703H01
10-3. Control cable specifications
Transmission cable
Type 2-core shielded cable CVVS, CPEVS, or MVVS
Size 1.25 mm
2
(AWG 16), or ø1.2 mm or above
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).
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.
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
Sub unit OS1, OS2
Indoor unit IC 1 to 26 units per OC
Remote controller RC 0 to 2 units per group
Transmission booster unit RP 0 to 1 unit per OC
* A transmission booster may be required depending on the number of connected indoor units.
* The outdoor units in the same refrigerant circuit are automatically designated as OC, OS1, and OS2. The outdoor units are designated as OC,
OS1, and OS2 in the order of capacity from large to small (if two or more units have the same capacity, in the order of address from small to
large).

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