Gree Hydro Box NRQR16L/A-T, Руководство пользователя

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Hydro Box
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(5) After operating for 15~20min, if the water flow discharged by exhaust valve of hydro box
outlet pipe is stable and there is no airflow, it means exhausting is done. In this case, you
can close the manual exhaust valve and stop the operation of hydro box. Operation
method: pressing “Menu/OK” button to enter menu interface. Press “Up” or “Down” to find
“Function” option, then press “Menu/OK” button to enter “Function Setting”. Select
“Clean” and pressing “Menu/OK” button to stop cleaning.
4.8.2.3 Air Exhausting of Water Tank and Pipeline at User Side
(1) Make sure each pipe port of water tank is connected and make sure the sewage port of
water tank is sealed;
(2) Open the water filling valve of water tank and open the valve at user side to fill water into
water tank until there is water flowed out from the valve at user side and there is no air
bubble continuously, which means water filling and air exhausting of water tank have
been done. Then you can close the valve at user side and enter operation debugging of
the whole unit.
4.8.2.4 Second Time of Air Exhausting
After all connection wires of IDU, ODU and hydro box are connected and the debugging of
refrigerant system is done, please arrange air exhausting again. Detailed steps are as below:
(1) Open the hot water faucet to discharge water and open the water filling valve of water
tank to fill water into water tank until the water temperature reaches 20°C~30°C;
(2) Start hot water generation mode and open the manual exhaust valve at the same time;
After operating for 15~20min, if the difference between inlet water temperature and outlet
water temperature of hydro box is smaller than 10°C, it means air exhausting is done. In this case,
you can close the manual exhaust valve and stop the operation of hydro box. Air exhausting
operation of water system is done.
(3) The steps mentioned above shall be done when water temperature in water tank is below
45°C. When the temperature reaches 45°C, if the difference between inlet water
temperature and outlet water temperature of hydro box doesn’t meet the requirement,
please turn off the unit. Open the faucet to discharge hot water and tap water will enter
water tank from the water filling valve of water tank, until water temperature in water tank
reaches 20°C~30°C again. Then start hot water generation mode again and open the
manual exhaust valve at the same time to exhaust air.
4.8.3 Capacity Setting of Water Tank
Capacity setting of water tank refer to 4.2.6.2.
4.8.4 Test Operation
Arrange test operation of hydro box and outdoor unit simultaneously. Please refer to the test
operation instruction in the instruction manual of outdoor unit.