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14.31 Dry Concrete
Purpose
Provide heat to floor heating panel and dry the wet concrete during installation.
Setting condition:
o Dry concrete parameter can be set through remote control under system setup.
o Parameters are possible to set up to 99 days with different target set temperature
Control details:
o Dry concrete mode will be activates when select ON from service setup.
o Once start dry concrete function, remote control will send step 1 setting temperature to indoor unit.
* This temperature is set at zone temperature. If system is 2 zones, both zone target temperature is set as
same temperature.
o Heat pump will start heat mode operation to room side with received target water outlet temperature.
* Heat pump will operate according to Heat pump Target Water Temperature.
o After complete day 1 setup operation, day 2 data will be send to indoor at 12.00am on the second day.
o Each preset data will be send every day until dry concrete mode is complete, unit will turns OFF and exit dry
concrete function.
o 3 ways valve and booster heater will turn OFF and 2 ways valve will turns ON.
Cancel condition:
o Dry concrete mode is complete and OFF signal is received.
o OFF signal is received by pressing OFF/ON button.
14.32 Flow Sensor
The water flow sensor serves as an overload protector that shuts down the unit when the water level is detected
to be low.
Abnormal flow detection:
Sequence Abnormal flow Normal flow
Normal case Flow rate < 7 l/min or ≥ 69 l/min ≥ 7 l/min
During status 2~6 on Anti-freeze deice Flow rate ≥ 7 l/min < 7 l/min
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