26
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.
Содержание CH-AP04MSSX
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