Fujitsu AIRSTAGE J-IIIL - Page 494

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Electrical wiring
• Except in the case of V and S series (indoor units is installed 320 units or less)
CH A CH B
X1 X2 X1 X2
L N
TRANSMISSION
POWER
SUPPLY
NO HIGH VOLTAGE
IN/U-
OUT/U
OTHER
CYCLE
MULTI
OUT/U
X1 X2
TRANS-
MISSION
X1 X2
TRANS-
MISSION
X1 X2 Z1 Z2 H1 H2
1Ø 50 Hz
220-240 V
Fuse (3 A)
Switch
Network
segment A
Network
segment B
Terminal resistor*
(DIP SW setting)
Transmission cable
Outdoor unit
(Master unit)
To slave unit
Indoor unit
Indoor unit
Signal amplifier
Terminal resistor*
*: Make sure to install 1 piece of terminal resistor to each segment. Terminal resistor is provided
for each outdoor unit, but confirm that there is only one terminal resistor in the same segment.
3-8. Signal amplifier (UTY-VSGXZ1) - (05-156) - 3. Adaptor/Convertor units
CONTROL SYSTEM CONTROL SYSTEM