121
13.31 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.
13.32 Flow Sensor
The water flow sensor serves as an overload protector that shuts down the unit when the water level is detected
to below.
Abnormal flow detection:
Condtioin
Abnormal flow
Normal flow
Normal case
Flow rate < 5 l/min or >= 69 l/min
>= 5 l/min
During Deice Operation OR COOL Mode
Flow rate < 11 l/min or >= 69 l/min
>= 11 l/min
During status 2~6 on Anti
‐
freeze deice
Flow rate >= 5 l/min
< 5 l/min
