Hitachi HARC-BX E Manuel D'installation page 8

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SYSTEM CONSTITUTION
2 6
2.4. Specifications of HARC-BX E
Hardware Specification
I
Item
Power Source
Power Consumption
Outer Dim
Mass
Installation Condition
Temperature Condition
Humidity Condition
Telecommunication Specifications for Packaged Air Conditioner
I
Item
Communication Unit
Communication Line
Telecommunication System
Synchronous System
Telecommunication Speed
Wiring Length
Quantity of Connection
Telecommunication Specifications for Upper System
I
Item
Communication Unit
Transmission Protocol
Access Method
Coded System
Telecommunication Speed
Maximum Wiring Length
(*1) Lon Talk is a Registered Trademark of Echelon Corporation in U.S. and other countries.
Specification
AC240V±10%(50/60Hz)
30W(max)
Width:240 mm, Height:285 mm, Depth:128.5 mm
(When installed inside box)
2.3kg
Indoor
0~45 °C
10~80% (No dewing)
Specifications
Packaged Air Conditioner
Non-polar 2 wire system
Half-duplex Telecommunication
Asynchronous Communication Method
9600 bps
1000 m (Total length)
Standard Type:Max. quantity of units;64
Option A Type:Max. quantity of units;64
Option B Type:Max. quantity of units;32
Specifications
Upper monitoring equipment
Lon Talk Protocol (*1)
Predicted persistent CSMA/CD System
Differential Manchester Code
78000 bps
500 m (Bus Total length)