Hitachi CH-Box - 8 Safety And Control Device Setting

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P5417025-rev.1
8. Safety and Control Device Setting
CH-Box
Model
CH-AP04MSSX,CH-AP08MSSX,
CH-AP12MSSX,CH-AP16MSSX
JCH-AP04MSSX,JCH-AP08MSSX,
JCH-AP12MSSX,JCH-AP16MSSX
ForControlCircuit
Fuse A 5
Table7.1AlarmCode
Code Category ContentofAbnormality LeadingCause
03 Communication
AbnormalCommunicationbetween
IndoorUnitsandOutdoorUnits
IncorrectWiring,LooseTerminals,Disconnected
CommunicationCable,BlowoutofFuse,IndoorUnitPower
OFF
C1
CH-Box
IncorrectCH-BoxConnection
2orMoreCH-BoxesareConnectedbetween
OutdoorUnitandIndoorUnit
C2 IncorrectIndoorUnitConnectionNumber
9orMoreIndoorUnitsConnectedtoSingleBranchTypeCH-Box
7orMoreIndoorUnitsConnectedperaBranchofMultiple
BranchTypeCH-Box
C3
IncorrectIndoorUnitRefrigerantNumber
Setting
IndoorUnitsofDifferentRefrigerantCycleNumberare
ConnectedtoCH-Box
C4
IncorrectConnectionbetweenCh-Boxand
OutdoorUnits
ThisOutdoorUnitisnotcompatiblewiththisCH-Box.
C5 IncorrectConnectionPortSetting
IndoorUnitisconnectedtoaportthatissettonotusedfor
MultipleBranchTypeCH-Box.