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7
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Operation
Installer and user reference guide
37
EKVDX32~100A2VEB
VRV system air conditioner
4P664010-1 – 2021.08
7.3.2 Special heating operation modes
Operation
Description
Defrost
(a)
To prevent a loss of heating capacity due to frost
accumulation in the outdoor unit, the system will
automatically switch to defrost operation.
The supply air fan will stop operation while the exhaust
air fan will resume operation as before defrost operation
started.
The following icon will appear on the home screen:
The system will resume normal operation after
approximately 6 to 8 minutes.
Hot start
(a)
The supply air fan will stop operation while the exhaust
air fan will resume operation as before hot start
operation started.
The following icon will appear on the home screen:
(a)
The operation of the supply and exhaust fans depends on the VAM field setting 17(27)-5.
7.4 To operate the system
INFORMATION
For setting of the operation mode or other settings, see the reference guide or
operation manual of the user interface.