Operation Instructions
19
During heating operation, the water pump of the heat pump unit will be stopped; however, during standby status, the
water pump will start but the other thermal will stop. Under the “Hot water” mode, the 3-way valve will switch to the water
tank, the water pump of the heat pump will always stop but the other thermal will start. Under the “Heat + Hot water”
mode, the other thermal only works for space heating, and the electric heater of the water tank works for water heating.
In this case, the 2-way valve is controlled base d on the setting of the control panel, and the 3-way valve will always stop.
During heating operation, the water pump of the heat pump unit will be stopped; however, during standby status, the
water pump will start.
Logic 2
1. The set point of the other thermal should be equal to that of “WOT-Heat” and both are or lower than 60°C .
2. The water pump for other thermal must be always active under the “Heat” mode.
3. Under the “Heat” mode, the 2-way valve will be controlled based on the setting of the control panel. During
heating operation, the water pump of the heat pump unit will be stopped; however, during standby status, the water
pump will start but the other thermal will stop. Under the “Hot water” mode, the 3-way valve will switch to the water tank,
the water pump of the heat pump will always stop but the other thermal will start. Under the “Heat + Hot water” mode,
the other thermal only works for space heating, and the electric heater of the water tank works for water heating. In this
case, the 2-way valve is controlled base d on the setting of the control panel, and the 3-way valve will always stop.
During heating operation, the water pump of the heat pump unit will be stopped; however, during standby status, the
water pump will start.
Logic 3
The heat pump will only send a signal to other thermal, but all the logic of control must be “stand alone”.
2.4.7 Optional E-Heater
[Operation Instructions]
1. At the commissioning parameter setting page, by touching “Optional E-Heater”, the control panel will access to
the corresponding setting page.
2. At the “Optional E-Heater” setting page, it can be set to “1”, “2” or “Off”.
[Notes]
This setting will be memorized upon power failure.
Either “Other thermal” or “Optional E-Heater” can be activated at the same time.
There are two working logics for “Optional E-heater”.
Logic 1: either the heat pump or the optional electric heater can be started at the same time.
Logic 2: both the heat pump and the optional electric heater can be started at the same time after the compressor
has run for four minutes and T
Optional Water Temp
is equal to or lower than WOT-heat-At2.
2.4.8 Remote Sensor
[Operation Instructions]
At the commissioning parameter setting page, by touching “Remote sensor”, the control panel will access to the
corresponding setting page, where it can be set to “With” or “Without”.
[Notes]
This setting will be memorized upon power failure.
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