Sanyo SPW-XR254EH56 operation manual

CAUTION

(1)When linking outdoor units in a network (S-net link system), disconnect the terminal extended from the short plug (CN003, 2P Black, location: right bottom on the outdoor main control PCB) from all outdoor units except any one of the outdoor units.

(When shipping: In shorted condition.)

Otherwise the communication of S-net link system is not performed. For a system without link (no con- nection wiring 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. (Fig. 3-1)

Outdoor unit

Indoor unit

Outdoor unit

Indoor unit

Outdoor unit

Prohibited

Indoor unit Indoor unit

Fig. 3-1

Prohibited

Indoor unit

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

Outdoor unit Indoor unit

NO Indoor unit

Fig. 3-2

	Outdoor unit
NO
	Indoor unit
Indoor unit	Indoor unit
Indoor unit	Indoor unit
Branch point

(4)If branching the inter-unit control wiring, the number of branch points should be 16 or fewer. (Branches less than 1 m are not included in the total branch number.) (Fig. 3-3)

Outdoor unit

Outdoor unit

Outdoor unit

Indoor unit

Branch point

Indoor unit

16 or fewer

more than 1 m

Indoor unit

more than 1 m

Indoor unit

Indoor unit

Indoor unit

Indoor unit

Indoor unit

Indoor unit

less than 1 m

Indoor unit

Fig. 3-3

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