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●This function can be memorized upon power failure.
●Logic 1: NEVER allowed the Unit's Compressor and the Water Tank Electric Heater or the Optional Electric
Heater to work at the same time.
●Logic 2: While Heating/ Cooling + Hot water mode (Hot Water priority) Tset ≥ THPmax + ΔThot water +2, when
water tank temperature reach THPmax, the water tank EH will be ON and start to do hot water, at the same time,
the compressor wil turn to heating/cooling mode, water tank EH and Compressor will be ON together.
2.4.18 Gate-Ctrl memory
[Operation Instructions]
At the commissioning parameter setting page, by touching "Gate-Ctrl Memory", it will go to the setting page.
[Notes]
●When it is enabled, "Gate-Ctr" will be memorized upon power failure.
●When it is disabled, "Gate-Ctr" will not be memorized upon power failure.
2.4.19 3-Way valve1
[Operation Instructions]
At the commissioning parameter setting page, by touching "3-Way valve1", it will go to the setting page.
[Notes]
●It will be memorized upon power failure.
●Three options are available, "Without", "DHW", and "AIR".When it is set to "AIR", it will be closed (230VAC)
under the cooling/heating mode and opened under the DHW(Hot water) mode; when it is set to "DHW", it will be
closed (230VAC) under the DHW(Hot water) mode and opened under the cooling/heating mode.
●This setting is allowed only when the control panel has been turned off.
2.4.20 Hot water control mode
[Operation Instructions]
At the commissioning parameter setting page, by touching "Hot water control mode", it can be set to "Off" or
"On".
When it is set to "On","Running Frequency Setting" can be set, and the user could change the parameter to
fix the frequency of the compressor in the "Hot water" mode, otherwise, the main unit will automatically run based
on the original logic.
After that, this setting will be saved by touching the "Save" icon.
[Notes]
●This setting will be memorized upon power failure.
2.4.21 SG (Smart grid)
[Operation Instructions]
It is allowed to be activated only when the control panel is turned off.
When it has been activated, the operating main unit will receive and execute control commands from the smart
grid, except when the control panel has been turned off. See the table below for the SG control commands.
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