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Hitachi Appliances, Inc.

Hitachi

Packaged : Control System

Hitachifs exclusive intelligent control system actualizes highly customizable control, with central, dispersed, or individual control available.

CS-NET

CS-NET Feature

CS-NET is Hitachi's computer control network system for the Hitachi air conditioning system. The flexibility of the system allows the internal data to be easily accessed and controlled by the user, with features including temperature, mode and fan speed setting and groupings.

*1
BACnet(R) is a registered trademark of ASHRAE.
*2
LONWORKS(R) is a registered trademark of Echelon Corp.
*3
Compatible H-LINK

H-Link System

Hitachi's proprietary high-performance transmission system for connecting control wires between indoor and outdoor units, and between a centralized control system and indoor/outdoor units, across two or more refrigerant systems.

*1
The range of ref. group setting and address setting is 0 to 15 when H-LINK corresponding central controller is used.
*2
These functions can be set by wired remote control switch (PC-AR) only.
*3
These functions can be set by wired remote control switch (PC-AR) and half size remote control switch (PC-ARH) only.
*4
This function is not available depending on the outdoor unit type.

Compare with H-LINK System

 
Item H-LINK H-LINK II
Max.Number of Refrigerant Group / System 16 64
Address Setting Range of Indoor Units / Refrigerant Group 0 to 15 0 to 63
Max. Number of Indoor Unit / System 128 160
Total Munber of Devices in the same H-LINK 145 200
Max. Wiring Length Total 1,000m (5,000m)*
*
In case 4 units of PSC-5HR are used.

Mixture of H-LINK and H-LINK II

H-LINK II corresponding models can be mixed with H-LINK corresponding models in the same system without any adaptor.

 
Control System Device Outdoor and Indoor Units Connectable the units quantity
(Number of Ref. Groups)
Outdoor Units
(Number of Ref. Groups)		 Indoor Units
H-LINK II All H-LINK II 64 160
H-LINK II/ H-LINK Mixed 64* 128
H-LINK All H-LINK II 16 128
H-LINK II/ H-LINK Mixed 16 128
*
A maximum 16 refrigerant groups can be connected in 1 H-LINK system under the following conditions.
  • Outdoor unit corresponding to H-LINK
  • Outdoor unit corresponding to H-LINK II connected with the indoor unit corresponding to H-LINK

More than 17 indoor units are available to connect with the 1 outdoor unit depending on the outdoor unit capacity. In that case, 2 ref. groups are required for 1 outdoor unit.

H-Link II

The H-LINK transmission system for connection between outdoor and indoor units provides an extended system configuration and improved functions without sacrificing workability and the flexibility.

Example

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