7.1.4 Operation
7.1.4.1 Compatibility
The new HC-A(8/64)MB is compatible with all SET-FREE, UTOPIA and CENTRIFUGAL units using H-LINK communica-
tion protocol.
This device is not compatible with any of the following HITACHI controllers:
• Centralised remote controls
• Building air conditioning controls
• Other HITACHI BMS gateways (LONWORKS, BACNET, KNX, FIDELIO)
• Other units of the same model
7.1.4.2 Available data
Offset (1) Name Description Values Read/Write
0 EXIST Exist
0: No exist
1: Exist
Read
1 SYSTEM_ADDRESS System address
0~63 Read
2 UNIT_ADDRESS Unit address
3 SET_ONOFF On/Off setting order
0: Stop
1: Run
Read/Write
4 SET_MODE Mode setting order
0: Cool
1: Dry
2: Fan
3: Heat
4: Auto
Read/Write
5 SET_FAN Fan setting order
0: Low
1: Medium
2: High
3: High2
4: Auto
Read/Write
6 SET_TSET Setting temperature 17ºC ~ 30ºC Read/Write
7 SET_LOUVER Louver setting 0 ~ 7 (7 is Auto) Read/Write
8 SET_CENTRAL Central setting (3)
Bit 0: On/Off (always can be stopped)
Bit 1: Mode
Bit 2: Setting Temp
Bit 3: Fan
Bit 4: Louver
Read/Write
9 READ_ONOFF On/Off status
0: Off
1: On
Read
10 READ_MODE Mode status
0: Cool
1: Dry
2: Fan
3: Heat
4: Auto
Read
11 READ_FAN Fan status
0: Low
1: Medium
2: High
3: High2
4: Auto
Read
7 Gateways for building management systems
HC-A(8/64)MB
TCGB0106 rev.0 - 12/2014
633633
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