Causes and Troubleshooting Methods of Too Low Suction Pressure of Chiller

The reason for the low suction pressure of the chiller may be the problem of the water pump, the liquid level of the water tank and the connection of the water pipe. Solutions to these problems include checking the water pump for leaks or clogs to make sure the pump is functioning properly; checking the tank level to rule out leaks or water leaks in the system; and checking that plumbing connections are tight to rule out leaks or loose connections. If the problem persists, it is recommended to contact professional chiller maintenance service personnel for inspection and maintenance.

There are many possibilities for the low suction pressure of the chiller, including the following aspects:

1. Water pump problem: The water pump may have problems such as water leakage or blockage, resulting in poor water circulation, which in turn reduces the suction pressure.

2. Water tank liquid level problem: When the water tank liquid level of the chiller is too low, it will cause the suction pressure to drop. This could be due to a leak in the system or a water leak causing the tank level to drop.

3.Water pipe connection problem: If the water pipe connection is not tight, leaks or loosens, it will cause low suction pressure of the chiller.

The troubleshooting method for the low suction pressure of the chiller is as follows:

1. Check the water pump: Check if the water pump is leaking or clogged, and make sure the water pump is running normally. If a problem is found, the water pump needs to be repaired or replaced.

2. Check the water tank level: Check the water tank level of the chiller to ensure that the water tank is properly filled with water. If the fluid level is too low, try to rule out a leak or water leak in the system.

4.Check the water pipe connection: Check whether the water pipe connection of the chiller is tight and make sure there is no leakage or looseness. If a problem is found, reconnect or replace the seal.

Since the cooling water of the chiller is an open circulation loop, the tap water generally used is recycled through the cooling tower. When the content of calcium salt and magnesium salt in the water is large, it is very easy to decompose and deposit on the cold water pipe to form scale, which affects heat transfer. Excessive scaling will also reduce the circulation section of cooling water, reduce the water volume, and increase the condensation pressure. Therefore, when the water quality of the cooling water is poor, the cooling water pipe should be cleaned at least once a year to remove scale and other dirt in the pipe.

If the above methods still cannot solve the problem, it is recommended to contact professional chiller maintenance service personnel for inspection and maintenance.