AirStage AJY054LBLAH Kurulum Kılavuzu - Sayfa 10
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6.4. Transmission line
Caution when wiring cable:
When stripping off the coating of lead wire, always use the exclusive tool such as a
wire stripper. If there is no exclusive tool available necessarily, carefully strip the coat-
ing by a cutter etc. so that the conductive wire is not damaged.
If it is damaged, it may lead to an open circuit and a communication error.
Pay attention to the following points while attaching wires on the terminal board.
• Do not attach 2 wires on one side.
• Do not twist wires.
• Do not cross the wires.
• Do not shorted at edge at root.
GOOD
1 wire
2 wires
6.4.1 Transmission wiring specifi cations
Follow the specifi cations below for the transmission cable.
Use
Size
22AWG LEVEL 4 (NEMA)
Transmission cable
0.33mm²
non-polar 2core, twisted pair
solid core diameter 0.65mm
Twisted pair with shielded type.
Use the shielded wire specifi ed and always ground it both end.
6.4.2 Wiring rules
(1) Total length of transmission cable
Total transmission line length: MAX 3,600 m
EF + EG + GH + HJ + HK + KL < 3,600 m (Fig.2)
In the following cases , Signal Amplifi er is required.
When the total length of the transmission line exceeded 500 m.
1
AB + BC + BD > 500 m (Fig.1)
When the total number of units* is over 64.
2
Transmission line length between each unit* ≥ 400 m
3
(2) Length of transmission cable between 1 network segment (NS)
EF + EG + GH + HJ + HK ≤ 500 m (Fig.2)
KL ≤ 400 m (Fig.2)
Unit* means indoor unit, outdoor unit, Touch Panel Controller and System Controller,
Signal Amplifi er, single split adaptor, Network Convertor etc.
Fig. 1
Outdoor unit
B
A
Terminal
resistor
Indoor unit
When AB+BC+BD> 500 m
:Signal Amplifi er is required.
Fig. 2
Outdoor unit
Indoor unit
F
Terminal resistor
G
Transmission line
H
K
Signal Amplifi er
Terminal resistor
En-9
CAUTION
PROHIBITED
2 pcs at one side
Wires twisted
Shorted at edge
Shorted at root
Cable type
LONWORKS ®
compatible cable
Transmission line
System
Controller
C
D
Touch
Panel
Controller
NOTE:
NS 1
Do not use loop wiring.
This may lead to parts
damage and erroneous
operation.
Touch
J
Panel
Controller
NS 2
System
L
Controller
6.4.3 Enabling/Disabling automatic address setting
You can enable/disable automatic address setting for the indoor unit and the signal ampli-
fi er.
To enable automatic address setting for the indoor unit, connect the indoor unit to outdoor
units under the same refrigerant system.
Example: Disable Automatic Address setting
Refrigerant
system 1
Refrigerant
system 2
Refrigerant
system 3
Example: Enable Automatic Address setting
Refrigerant
system 1
Refrigerant
system 2
Remarks
Refrigerant
system 3
6.5. Wiring method
6.5.1 Connection diagrams
Power supply: 230V 1Φ 50Hz
Outdoor
unit
Transmission
Transmission
Power supply
*1
*2
Breaker
Power supply
230V 1Φ 50Hz
*1: The number of power supply terminals is different depending on the indoor unit model.
For the wiring, refer to the indoor unit installation manual.
*2: Earth (Ground) the remote controller if it has an earth (ground) cable.
• There are two types of remote controller: the 2-wire type and the 3-wire type. For details,
see the relevant remote controller installation manual. (When connecting the 2-wire type
remote controller, Y3 is not used.)
The wiring example for outdoor and indoor units is shown in fi gure.
Transmission line
Transmission line
Transmission line
Breaker:
(1) Earth leakage circuit breaker
L
N
(2) Current breaker (over current)
Breaker
L
N
To other refrigerant circuit outdoor unit
Power supply
Indoor unit
Indoor unit
Transmission
Remote control
Power supply
Remote control
*1
*2
Breaker
Power supply
Remote
Remote
230V 1Φ 50Hz
controller
controller
Transmission line
Transmission line
Transmission line
Indoor unit
Transmission
Power supply
Remote control
*1
*2
Breaker
Power supply
Remote
230V 1Φ 50Hz
controller