PMML0175A-rev.1 - 6/2008
HARC-MODBUS - xxxxxxxxxxxxxxxx
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English
HARC-MODBUS - Installation Manual
Configuration
method
Every HARC-MODBUS can control up to 32 I.U, considering that in the same H-LINK can be connected up to 128 I.U, it must be set
which indoor units are selected for each HARC-MODBUS.
This configuration is not required in case of CHILLER application.
Setting concept consist in an “id” table listing up to 32 numbers for the assignation of each OU+IU addresses as shows next:
Note:
– It can be selected for 1 HARC-MODBUS up to 32 I.U from 16 different refrigerant cycles or 32 I.U from the same refrigerant
cycle.
Caution:
– Be sure not to set same Indoor Unit to more than one HARC-MODBUS. This error is undetectable and can cause undesired
operations.
Id
Rerigerant cycle
address
Indoor unit address
Id
Rerigerant cycle
address
Indoor unit address
Summary of Contents for HARC-MODBUS
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