אלקטרה VRF | קטלוג טכני 2025

B IDUs are provided with uniform power supply*, which are wired as follows: 1. HyperLink communication with the uniform power supply:

Power supply for IDU

L1+La+Ln ≤ 2000m

Wire diameter: 0.75mm 2

Power cable Communication wire

××

Circuit breaker

Distribution box

Distribution box

IDU n#

CN23 Master ODU

IDU 1#

IDU (n-1)#

CN1

CN1

CN1

CN10

CN10

CN10

··· 2-(n-2)# IDU

M1 M2

M1 M2 L N

M1 M2 L N

M1 M2 L N

L1

La

Ln

2. P/Q communication:

Power supply for IDU

Power cable Communication wire

××

Circuit breaker

Distribution box

Distribution box

IDU n#

IDU 1#

CN22 Master ODU

IDU (n-1)#

CN1

CN1

CN1

CN6

CN6

CN6

R

··· 2-(n-2)# IDU

P Q

L N

L N

P Q

P Q

L N

P Q

L1

La

Ln

Use shielded cables and ground the shield layer.

3. P/Q/E communication:

Power supply for IDU

Power cable Communication wire

××

Circuit breaker

Distribution box

Distribution box

IDU n#

CN22 Master ODU

IDU 1#

IDU (n-1)#

CN1

CN1

CN1

CN6

CN6

CN6

R

··· 2-(n-2)# IDU

L N

L N

P Q

E

E

E

E

L N

P Q

P Q

P Q

L1

La

Ln

Use shielded cables and ground the shield layer.

139