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Force heater
5.15
To turn on Force heater either
manually (by default) or
automatically.
Defrost signal
5.16
To turn on defrost signal to stop
fan coil during defrost operation.
(If defrost signal set to yes,
bivalent function will not
available to use)
Pump flowrate
5.17
To set variable flow pump
control or fix pump duty control.
Force DHW
5.18
To turn on Tank only mode to
heat up tank temperature by
request priority heating from
outdoor unit.
* Under force DHW operation,
Air to Air unit will stop provide
room heating operation.
DHW Defrost
5.19
Allow system to run defrost by
using hot water instead of room
unit to provide comfort room
heating operation.
* Outdoor define the condition
to enter DHW defrost only
when water is hot.
Default Setting
Setting Options / Display
Manual
No
T
Manual
Yes
31
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Troubleshooting
