Panasonic S-22MU1E5A Technical Data Manual page 4

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1. Electrical Wiring

CAUTION

(1)

When linking the outdoor units in a network, disconnect the terminal extended from the short plug from

all outdoor units except any one of the outdoor units.

(When shipping: In shorted condition.)

For a system without link (no wiring connection between outdoor units), do not remove the short plug.

(2)

Do not install the inter-unit control wiring in a way that forms a loop.

Outdoor unit

Indoor unit

(3) Do not install inter-unit control wiring such as star branch wiring. Star branch wiring causes mis-address

setting.

(4) If branching the inter-unit control wiring, the number of branch points should be 16 or fewer.

Central Controller

Outdoor unit

Indoor unit

Outdoor unit

Prohibited

Indoor unit

Branch point

: Branch point

Indoor unit

2-4

Design of VRF SYSTEM

Prohibited

Indoor unit

Fig. 2-2

Fig. 2-3

Fig. 2-4