Signal Amplifier - Fujitsu AIRSTAGE J-II Design & Technical Manual

3-4.

SIGNAL AMPLIFIER

MODEL : UTY - VSGXZ1
„ „
If the total length of transmission line exceeds 500 m, or the number of elements exceeds 64
units, Signal Amplifier will be necessary to use.
● Transmission line length can be extended up to 3600 m with multiple signal amplifier.
● Up to 8 Signal Amplifier (Filter mode is OFF) can be installed in 1 VRF network system.
● Up to 32 Signal Amplifier (Filter mode is ON) can be installed in 1 VRF network system.
● When installing 321 or more indoor units, install 1 Signal amplifier (Filter mode is ON) for every 64
indoor units. (However, only when VR-II Series is installed.)
FEATURES
„ „
To prevent the drop of signal level by taking distance of length or quantity of unit in VRF
network with installing signal amplifier, signal level can be recovered.
ELECTRICAL WIRING
„ „
Case of V-II or J-II or VR-II
z „
1Ø 50 Hz
220-240 V
SWITCH
INDOOR UNIT
TRANS-
MISSION
TERMINAL
RESISTOR*
(DIP SW setting)
X1 X2
IN/U-
OUT/U
(Indoor unit is installed 320 units or less)
FUSE (3 A)
POWER
SUPPLY
L N
X1 X2
Z1 Z2 H1 H2
OTHER MULTI
CYCLE OUT/U
OUTDOOR UNIT
(MASTER UNIT)
- (05 - 120) -
Segment B
Segment A
SIGNAL AMPLIFIER
NO HIGH VOLTAGE
TRANSMISSION
CH A CH B
X1 X2 X1 X2
TERMINAL
RESISTOR*
TO SLAVE
UNIT
INDOOR UNIT
TRANS-
MISSION
X1 X2
Transmission Line