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operated from several different energy sources: indirectly from solar energy, or gas-
based, coal-based or other based energy carriers, furthermore, auxiliary electric
heating provided by appliances of HB300(C) type is controlled by the heat pump unit.
This appliance possesses two temperature-sensors that are placed in the
upper flare located in the closing cover and in the lower flare. The sensor placed in
the upper flare measures upper temperature and this number is displayed by the
Water temp indicator, while the sensor placed in the lower flare monitors the lower
temperature, which serves as input data for switch on/ off, but this is not displayed at
all.
1.)
Economy Mode:
In this mode, it is the heat pump that is working, not the electric heater as a
result of pre-set water temperature.
(The water outlet temperature is between 38~60C, the operation environment temperature is between -
7~43C)
2.)
Hybrid Mode:
In this mode, the equipment is sharing its operation capabilities between
electric heating and heat pump, based on the temperature of the water tank.
(The water outlet temperature is between 38~60C, the operation environment temperature is between -
30~43C)
3.)
E-heater Mode:
In this mode, the motors of the compressor and the fan are not working, only the electric heater is
working. This time, only water located in the upper part of the tank is heated, which means.
approximately 100 l.
(The water outlet temperature is between 38~60C, the operation environment temperature is between
-30~43C)
a)
Defreezing through water heating
In case of Economy Mode and Hybrid Mode, if the evaporating steam freezes in cold
environment, the appliance defreezes it automatically, to ensure efficient
performance (3~10 min).
b)
External environmental temperature
The operation temperature of the appliance should be within the interval -30~43 C
and the operation temperatures of the modes are described below in details.
Explanation of water heating operation
4.4.
1)
Economy Mode: -7~43C
This mode is recommended when the external environmental temperature is
between -7~43C . If the external environmental temperature falls under the
temperature of -7C, energy efficiency becomes low, evidently, thus it is
recommended to use E-heating mode under these circumstances.
2)
Hybrid Mode: -30~43C
3)
E-heater Mode: -30~43C
In each case, only water located in the upper part of the tank is heated, which
means. approximately 100
4.5.
Mode selection
As different modes have been developed to serve different needs, it is recommended
to consider the following: .
Economy Mode:-7~43C,
In case of continuous hot water need under 300 L (60 C);