AirStage UTY-VSGXZ1 Manual de instalação - Página 5

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Transmission cable

Cable

Cable tie holder

61 31

Installing the terminal resistor

CAUTION

Be sure to install the terminal resistors as specified. Install a terminal

resistor for each network segment.

If a terminal resistor is installed to more than 1 device in a single net-

work segment, the entire communication system may be damaged.

If a terminal resistor is not installed to any device in a single network

segment, communication errors may occur.

▪

Be sure to install 1 terminal resistor in a network segment. The termi-

nal resistor can be installed to an outdoor unit or to a signal amplifier.

▪

When a terminal resistor is installed to an outdoor unit, refer to the

installation manual supplied with the outdoor unit.

▪

When installing multiple terminal resistors, observe the following

conditions:

Divide the VRF system into multiple network segments.

(1)

Install a terminal resistor in each network segment. (Conditions

(2)

for 1 segment: total number of outdoor units, indoor units, signal

amplifier, touch panel controller and network convertor, etc.

must be 64 units or less, and the total length of the transmission

cables must be 500 m (1640 ft.) or less.)

▪

One terminal resistor is required for each network segment.

▪

When installing a terminal resistor, connect it between X1 and X2 of

CHA or CHB on the transmission terminal block.

▪

The terminal resistors have no polarity.

61 41

Filter mode setting

▪

Set the Filter mode to suppress an increase of the amount of com-

munication information in the VR-II system.

Indoor unit

VRF Series

number

–

V Series

–

V-II Series

2 to 320 units

321 to 400

VR-II Series

units

For the "Necessary" or "Not Necessary" details of Filter mode set-

*1.

ting, refer to the Design & Technical Manual for the VR-II .

●

: Necessary

○

: Not necessary

▪

Filter mode is turned on by inserting the accessory connecting wire at

the CN4 connector on the PC board.

▪

When the Filter mode setting is changed, turn the power off once.

Otherwise, the setting will not be recognized.

Connecting wire (Accessory)

Body

CN4

AMP Air Conditioning

Dust proof bushing

Cable tie

Connecting

Filter mode

wire

○

OFF

○

OFF

○

OFF

●

○

ON / OFF

PC board

TURNING ON POWER

Cut

Check that the power supply voltage is within the specified range. If

the power supply voltage outside the specification is input, it will cause

trouble.

Recheck the wiring. Incorrect wiring will cause trouble.

Check the signal amplifier wiring.

(1)

Check the wiring and switch settings for the VRF system and turn

(2)

on the power for the VRF system. For the wiring and switch setting

method, refer to the installation manual of each unit.

Turn on the power for the signal amplifier.

(3)

▪

The signal amplifier is initialized for a period of approxi

onds after the power is turned on.

during this period.

▪

After initial setting completely, the operation mode will be

is displayed on D19-indicator.

Signal amplifier does not operate during initialization.

If an error occurs, the D9 or D14 LED lights or flashes, or the error

code is displayed on the right digit of the D19-indicator.

ADDRESS SETTING

When connecting multiple signal amplifiers, perform the

following address setting.

PC BOARD LAYOUT

AUTOMATIC ADDRESS SETTING

Turn on the power for the signal amplifier.

Confirm that D19-indicator indicates ADDRESS A1

ting: A1)

After checking, press the RESET button.

The address is set from an outdoor unit by the automatic operation.

(Refer to outdoor unit installation manual.)

When the automatic address setting and manual address setting are

mixed, the unit set to A2-A8 or A25-A56 in the manual address setting

is not intended for the automatic address setting.

*1.

When the automatic address setting is selected, the indicators

change is A9-A16 or A57-A88.

MANUAL ADDRESS SETTING

Turn on the power for the

signal amplifier.

While holding down SW4 (the

set button), press and release

SW7 (the reset button) to

enter the address setting

mode. The address setting

mode is activated only if the

set button is held down when

SW7 released.

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CAUTION

mately 5 sec-

is displayed on D19-indicator

started.

CN4

(*1)

. (Factory set-

Address setting mode

En-4