AIR-TO-WATER HEAT PUMP CONTROL
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z Function code 14 ：Quantity of tank sensor
If code 14 is set as 1, there is only one temperature sensor on the sanitary water
tank；
If code 14 is set as 2, there are two temperature sensors on the sanitary water
tank；the one in the middle of the tank is for display（ in the control panel），and the
other one is for control（control ON/OFF of the heat pump or electric heater）；
z Function code 15 ：Tank equipment
If code 15 is set as 0, there is no sanitary water tank installed in the system. The
sanitary water heating and disinfection operation are in valid in the control Panel；
If code 15 is set as 1, sanitary water tank is installed in the system. The sanitary
water heating and disinfection operation are available in the control panel.
z Function code 16 ：Other thermal equipment
If code 16 is set as 0, there is no other thermal equipment connected to the tank.
If code 16 is set as 1, other thermal equipment(such as gas boiler, oil boiler
or solar system) is connected to the tank（this tank must be two coil，one for heat
pump and the other for other thermal equipment）；
z Function code 17 ：FCU equipment
If code 17 is set as 0, there is no FCU (FAN COIL UNIT) equipped in the water
system. In order to preventing condensation on the floor during cooling operation，
the setting value of the outflow water temperature can not be below 16 . If℃
code
17 is set as 1, there is FCU (FAN COIL UNIT) equipped in the water system. In this
case ，2-way value should be installed and connected to the indoor PCB.
Otherwise，the unit will operate abnormally.
z Function code 18 ：Remote air temperature sensor
If code 18 is set as 0, the remote air temperature sensor is not equipped. The unit
can only be operated according outflow water temperature. The value of code 1 is
can not be set as 1，otherwise the unit can not operate.
If code 18 is set as 1, the remote air temperature sensor is equipped. The unit can
operate according the set value of the code 1.
z Function code 19 ：Heating operation level
If code 19 is set as 0，in space heating，the unit will be operated by high
temperature cycle. The setting value of outflow water temperature ranges from
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