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Menu Default Setting Setting Options / Display
5.17
Heat-Cool SW
No
5.18
Force heater
To turn on Force heater either
manually (by default) or
automatically.
Manual
5.19
Force defrost
If auto selection is set, outdoor
unit will start defrost operation
if long heating hour operate
during low outdoor temperature.
Manual
5.20
Defrost signal
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)
No
5.21
Pump fl owrate
To set variable fl ow pump
control or fi x pump duty control.
T
5.22
DHW Defrost
Allow system to run defrost by
using hot water instead of room
unit for better room comfort.
Yes
5.23
Heating control
To select unit operation
condition whether to achieve
set temperature faster or to
save energy.
Comfort
Efficiency
Comfort
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