En-10
Transmission wiring speci
fi
cations
6. 4. 1.
Follow the speci
fi
cations below for the transmission cable.
Use
Size
Cable type
Remarks
Transmission cable
0.33mm
2
22AWG LEVEL 4 (NEMA)
non-polar 2core, twisted pair
solid core diameter 0.65mm
LONWORKS ®
compatible cable
Wiring rules
6. 4. 2.
(1)Total length of transmission cable
Total transmission line length: MAX 3600m
EF+EG+GH+HJ+HK+KL < 3600m (Fig.2)
In the following cases , Signal Ampli
fi
er is required.
①
When the total length of the transmission line exceeded 500m.
AB+BC+BD > 500m (Fig.1)
②
When the total number of units* is over 64.
③
Transmission line length between each unit*
≧
400m
(2)Length of transmission cable between 1 network segment (NS)
EF+EG+GH+HJ+HK
≦
500m (Fig.2)
KL
≦
400m (Fig.2)
Unit* means indoor unit, outdoor unit, Touch Panel Controller and System Controller,
Signal Ampli
fi
er, single split adaptor, Network Convertor etc..
1
Fig.
Transmission line
Outdoor unit
Indoor unit
System
Controller
Touch
Panel
Controller
Terminal
resistor
When AB+BC+BD>500m
:Signal Ampli
fi
er is required.
A
B
C
D
2
Fig.
Do not use loop wiring.
NOTE)
This may lead to parts
damage and erroneous
operation.
Outdoor unit
Indoor unit
Signal Ampli
fi
er
System
Controller
Touch
Panel
Controller
Transmission line
Terminal resistor
Terminal resistor
NS 1
NS 2
F
H
L
G
K
J
E
Enabling/Disabling automatic address setting
6. 4. 3.
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 out-
door units under the same refrigerant system.(Fig.4)
Example: Disable Automatic Address setting
Refrigerant
system 1
Refrigerant
system 2
Refrigerant
system 3
Transmission line
Transmission line
Transmission line
Example: Enable Automatic Address setting
Refrigerant
system 1
Refrigerant
system 2
Refrigerant
system 3
Transmission line
Transmission line
Transmission line
9380545026-02_IM.indb 10
9380545026-02_IM.indb 10
19/08/2013 17:20:01
19/08/2013 17:20:01
