MCAC-RTSM-2011-12 Midea Combo Type Heat Pump Water Heater Technical Manual
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Wire controller:
If connected a wire controller, it will be lightened; otherwise it will be extinguished
Outside solar heat source:
If an outside solar heat source has been connected to the unit, it will flash with 1 Hz
frequency; otherwise it will be extinguished.
Vacation mode:
This icon will be lightened if the unit is under vacation mode and flash with 2Hz frequency
when setting vacation mode.
Compressor:
This icon will be lightened when compressor is running, otherwise it will be extinguished.
E-heater:
This icon will be lightened if e-heater is activated, otherwise it will be extinguished.
If e-heater is automatically activated by unit, it will be lightened;
If e-heater is manually activated, it will flash with 1Hz frequency.
When setting e-heater manually ON/OFF, it will flash with 2 Hz frequency.
Disinfect:
This icon will be lightened when the unit is under disinfect mode, otherwise it will be
extinguished.
This icon will be lightened if disinfect mode is automatically activated by unit; it will flash
with 1Hz frequency, if disinfect mode is manually activated; it will flash with 2Hz frequency
when setting disinfect mode or setting disinfect timer.
High temp. Alarm
If setting water temp. is higher than 50℃，it will be lightened, otherwise will be extinguished.
Alarm:
When unit is under protection/error, it will flash, it with 5Hz frequency as well as buzzer will
sound 3 times every 1 minute until protection/error eliminated or press for cancel button 1
second
Lock:
If button is locked, this icon will be lightened, otherwise it will be extinguished.
Temperature unit
If setting temperature unit as Celsius, ℃will be lightened;
If setting temperature unit as Fahrenheit, ℉will be lightened
If button is under lock mode, press any button except unlock button, this icon will be
lightened
This icon will be lightened if screen is unlocked.
It shows water temperature on normal mode;
It shows remaining vacation days on vacation mode;
It shows setting temperature under setting mode;
It shows unit setting/running parameters, error/protection code under query mode
Water Temperature setting
This icon will be lightened when setting water temperature or setting days for vacation.
Date setting
This icon will be lightened when setting days for vacation;
It will be lightened when under vacation mode.
Timer
There are six timers can be set.
If anyone of them has been set, this icon will lighten the corresponding one when screen is
unlocked；
If there is none of timer has been set, it will keep extinguished.
If timer is being set, the icon will flash the corresponding one with 2HZ frequency as well
lighten the timer which has been set.
Clock and clock setting
This icon shows the clock. Whenever there is any setting for clock, it will be lightened.
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