Installation
4.5.3 Usage of rubber rings
1. Take away the original rubber rings; replace the long tail rubber rings of accessory;
2.Wires installed by field supply get through the rubber rings,such as 2-way valve,3-way valve,power
cable and so on.Be careful of separating electrical wire and light current wire.
3.Tie the rubber rings after finishing wire connection.
4.6 Installation of Hydraulic Unit
4.6.1 Available External Static Pressure of Outlet
Note:
(a) See the curve above for the maximum external static pressure. The water pump is of variable
frequency.And during operation, the water pump will adjust its output based on the actual load.
(b) When the water flow and delivery head fail to satisfy the actual need, the user is allowed to add
extra water pumps. The control interface for the backup water pump has been reserved. The
model of the backup should be same as the original of the unit.
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