EcoSpring ES300 Installation & Owner's Manual page 21

In the E-heater mode, the water above the electric element that
is being heated is approximately 150L.
Defrost during Water-heating
If the evaporator is frozen in a cold environment, the system will
defrost automatically. (3~10 min).
Ambient Temperature
The systemʼs operation temperature is within -30~43℃
Heat pump should be used when the ambient temperature
is between -7 ～43℃. When the ambient temperature is under
-7℃, the energy efficiency would decrease, E-heater mode
should be used in this circumstance.
Mode Selection
Different modes are designed to meet different demand and the
following are recommended selections.
Heat pump Mode: -7~43℃, continuous hot water demand below
300L (60℃);
E-heater Mode: -30~43℃, continuous hot water demand around
150L (60℃).
Self-Protection
Self protection starts in the following circumstances:
Air inlet or outlet is blocked; Error Code: P1
�
The filter is covered with too much dust; Error Code: P2
�
Incorrect power supply (exceeding the range of 220-240V)
�
Error Code: P4
When self-protection occurs, the system will stop and begin
self-check, and restart when the problem is resolved; system will
not restart automatically if problem persists, in such case,
contact your installer
When the self-protection happens, the buzzer will buzz every
minute, the ALARM indicator flashes and the display indicates the
error code and water temperature alternatively. Press CANCEL
key for 3 seconds to stop the alarm. Buzzing and flashing stops
when the problem is resolved and error code disappears on the
display.
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NOTE
NOTE
NOTE
If the unit fails to restart after self-protection, Switch the power
supply off manually and restart after the error has been resolved.
Water Temperature Display
The temperature on the display is the water temperature in the
upper part of the water tank this is approximately 75L of water
When using water, the temperature of the lower part may
decrease while the upper part still keeps at a high one, and the
system will start heating the lower part. This is normal.
Trouble Shooting
When error code appears on the display or the unit is not
operating, please contact your installer.
When a n error occur, the buzzer will buzz in every minute,
the warning light flashes, the display will indicate the error code
and water temperature alternatively. Press CANCEL button for
3 seconds to stop the alarm.
Restart after a period of disuse over one year
Please follow the draining and filling water instructions on
page12 to refill the water.
Heat-up Time
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