Gree GRS-1.5/D150ANbA-K, Service Manual

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GREE AIR SOURCE HEAT PUMP WATER HEATER SERVICE MANUAL
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blinks. Then users can press
▲ or ▼
to start or cancel this function. If no operation is performed within 5s,
it will be regarded that this function is not required. If this function is started, the function icon is displayed
without blinking. If this function is cancelled, the function icon will not be displayed. If no function is
selected in setting interface for 5s, the interface switches back to the original status.
4.6.4 STERILIZE
The STERILIZE function is available under four common modes. However, after this function is set,
the unit runs as under the HOTWATER mode. The water heater controls startup and shutdown of the unit
based on the difference between the actual water temperature and that required for sterilization.
In the On state and in a common mode, press the FUNCTION button to enter the function selection
interface. When the STERILIZE function is selected, the corresponding icon blinks. At the same time, the
preset circular sterilization duration is displayed as d:XX, as shown in the following figure.
During this period, the following operations can be performed:
(1) Press
▲ or ▼
to start or cancel the STERILIZE function. If this function is started, the STERILIZE
icon is displayed without blinking. Sterilization will be performed circularly by the preset d and h value; If
this function is canceled, the STERILIZE icon is not displayed. If no operation is performed within 5s, it will
be regarded that this function is not required. After this function is started and when sterilization is being
performed, the function icon blinks.
(2) Press the TIMER button to enter the sterilization parameter setting interface. Press
▲ or ▼
to
select the d value and then press the TIMER button to confirm the value. When the confirmed d value is
not 0, the h value setting interface is displayed. Press
▲ or ▼
to select the h value and then press the
TIMER button to confirm the value. When the STERILIZE icon is displayed, the STERILIZE function is
started. If the STERILIZE icon blinks, the preset h value (time point for sterilization) is achieved and
sterilization is being performed.
Sterilization Parameter Meaning Range
d value
Day interval for circular
sterilization
0-10 days; 0 indicates sterilization for once only and
the sterilization function will be canceled after being
performed.
h value
Time point for circular
sterilization
00:00-23:00
Circular sterilization:
Sterilization is performed circularly by the d value. Once the circular sterilization conditions are met,
sterilization is performed regardless of on/off status of the controller and beyond limit of common modes
and functions except VACATION. However, users can stop sterilization under process by pressing the
ON/OFF button to shut it down. (But it can only stop sterilization for this time without affecting circular