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14.5
How to Adjust Water Flow Rate
Before adjust the water flow rate, make sure that the total water volume in the installation is 30 litres minimum for
heating side and tank side respectively.
The default setting is p-c mode, SPEED 4. Please ensure the minimum flow rate is not less than 9L/min.
Depend on the hydraulic system pressure loss and type, the water flow rate can be adjusted by turning the red
knob on the water pump.
14.6
Expansion Vessel Pre Pressure Checking
Expansion Vessel with 10 L air capacity and initial pressure of 1 bar is installed in this indoor unit.
Total amount of water in system should be below 200 L.
(Note: This amount of water is not include the tank unit volume)
If total amount of water is over 200 L, please add expansion vessel.
Please keep the installation height difference of system water circuit within 7 m.
(Inner volume of same indoor unit is about 5 L)
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