Fujitsu Airstage J-II - Transmission Line

WIRING RULES
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In the following cases, Signal Amplier is required.
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1) When the total length of the transmission line exceeded 500 m.
AB+BC+BD+DE+EF > 500 m (Fig. 1)
2) When the total number of units *1 is over 64.
Transmission line length between each unit*1 : MAX 400 m.
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Total transmission line length: MAX 3600 m
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AB+BC+BD+DE+EF+EG+GH < 3600 m (Fig. 2)
A
B
C
D
E
F
A
B
C
D
NS 1
NS 2
NS 4
NS 3
E
F
G
H
Transmission line
Transmission line
System
Controller
System
Controller
Touch
Panel
Controller
Touch
Panel
Controller
Signal Amplier
Outdoor unit
Outdoor unit
Fig. 2Fig. 1
Indoor unit
Indoor unit
Terminal
resistor
Terminal
resistor
Terminal resistor
When AB+BC+BD+DE+EF>500m
:Signal Amplier is required.
*1: Refer detail Meaning of unit on 1-2 VRF NETWORK SYSTEM.
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