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13.13 Sterillization Mode
Purpose:
Boil tank temperature to customer set boiling temperature to operate sterilization.
o
Control start condition:
Tank connection set to YES by remote controlller
o
Serilization function selection is YES
o
Sterilization signal received from remote controller by timer.
o
Control stop condition:
After boiling timer completed. Boiling timer start counting once tank achieve boiling set temperature OR
o
After 4 hours of operation since sterilization function start OR
o
Control content:
Once the sterilization function enable, set the target tank temperature to Boiling Set Temperature.
o
Booster heater will allow to ON during solar priority SET condition.
o
Booster heater OFF Temp. = Boiling Set Temperature 0°C
Booster heater ON Temp. = Boiling Set Temperature - 7°C
The sterilization set temperature may not achieve if tank booster heater function is deactivated.
o
Boiling timer which set by remote controller will start count after tank achieve boiling set temperature.
o
Sterilization operation will end after complete boiling timer or Max 4 hrs from function start.
o
Target tank temperature will set back to normal tank set temperature.
o
* Tank heater control is not affected by solar pump when solar priority set.
13.14 Quiet Operation
Purpose:
- To provide quiet operation compare to normal operation by reduces outdoor unit noise.
Starting condition:
1
When quiet button is presses.
2
When quiet request ON time by weekly timer (Refer to control panel.)
When any of above mentioned condition is achieved, this control is activated.
New target FM speed = Present target FM speed - 80 rpm
Minimum target FM speed = 200 rpm
Cancellation condition:
1
Cancel by press quiet button
2
Stop by OFF/ON button
3
When quiet request OFF time by weekly timer
When any of above mentioned condition is achieved, this control is cancelled.
13.15 Anti Freeze Control
Anti freeze protection control can be select YES or NO from control panel. Default setting is YES.
In heatpump system, there are 2 types of anti freeze control:
1
Water pump circulation anti frost control
Water pump turns ON when ALL the below conditions are fulfilled:
Heatpump OFF (standby) OR water pump stop (Tank Mode) OR error occurs
o
Water flow switch is not abnormal
o
Outdoor ambient temp. < 3°C
o
Water inlet/outlet temp. < 6°C
o
After 5 minutes from previous water pump OFF
o
Water pump turns OFF when ANY of the below conditions is fulfilled:
Outdoor ambient temp. ≥ 4°C
o
During -5°C < outdoor ambient temp. < 4°C
o
During outdoor ambient temp. < -5°C
o
However, if flow switch is abnormal (H62), then water pump circulation anti freeze control will not activate.
After water pump ON for 4 minutes, and water inlet/outlet temp. ≥ 8°C
Else, shift to backup heater anti freeze control
After water pump ON for 4 minutes, and water inlet/outlet temp. ≥ 20°C
Else, shift to backup heater anti freeze control
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