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HWE09080 GB
Emergency operation pattern (2 heat source units)
Emergency operation pattern (3 heat source units)
(3) Ending the emergency operation
When communication is restored, the emergency mode is cancelled, and the units go into the normal operation mode.
OC
Cooling
Heating
OC failure
pattern
Trouble
Normal
Permitted Permitted
Permitted Permitted
Normal
Trouble
OS failure
pattern
OS
Emergency
operation
Maximum total capacity
of indoor units (Note 1)
Capacity that matches
the total capacity of the
operable heat source
units
OC
OC failure
pattern
Trouble Trouble Trouble
Normal
Normal Normal Normal
Normal Normal
Cooling
Heating
Normal Normal Normal
Trouble
Trouble Trouble Trouble
Trouble Trouble
OS1 failure
pattern
OS2 failure
pattern
OC, OS1 failure
pattern
OS1
OS2
Emergency
operation
Maximum total capacity
of indoor units (Note 1)
Capacity that matches the total capacity of the operable heat source units
(Note 1) If an attempt is made to put into operation a group of indoor units whose total capacity exceeds the maximum allowable capacity,
some of the indoor units will go into the same condition as Thermo-OFF.
Permitted
Permitted
Permitted
Permitted
Permitted
Permitted
Permitted
Permitted
Permitted
Permitted
Permitted
Permitted
OC, OS2 failure
pattern
OS1, OS2 failure
pattern