Ebmpapst Fan 3312HR

07/26/2023

Heat Pump Makes Loud Noise When Turning Off: Causes and Solutions

A heat pump is an essential part of many homes, providing both heating and cooling to keep the indoor environment comfortable. Like any other appliance, it can sometimes develop issues that require attention. One common problem that homeowners may face is a heat pump making loud noise when turning off.

08/08/2020

Knowledge of central air conditioning thermostat

Knowledge of central air conditioning thermostat The principle of central air-conditioning is the same as that of household air-conditioning, and its purpose is to set the room temperature according to the comfort of the owner.

09/03/2020

Petrochemical compressor development

Petrochemical compressor development 　　First, since the 1970s, centrifugal compressors have developed rapidly. In the development of a domestically produced 300,000-ton synthetic ammonia plant in a chemical complex, some plants in Shanghai have developed process air compressors, synthesis gas compressors, ammonia refrigeration compressors, and supporting drive steam turbines.

07/31/2020

What to do if the compressor of screw chiller is damaged

The compressor is the core component of the chiller. Damage to the compressor is a serious fault and needs to be dealt with in time, otherwise the chiller will not work. Today, the editor will introduce the knowledge and process of handling damaged screw compressors.

03/11/2021

Common faults

The motor of servo driver is unstable, and the speed is fast and slow. The main reasons for this kind of fault are as follows: 1.The servo driver parameters are not adjusted properly, and the regulator does not reach the best working state.

09/08/2020

What equipment should a typical compressed air system include

In addition to the compressor itself, typical compressed air systems often include air post-processing equipment such as dryers, filters, and oil-water separators, which are also critical to the quality of compressed air.

05/26/2022

How to Repair The Safety Light Curtain?

Safety light curtain is an infrared device, which is mainly used for equipment safety protection, detection and other functions. Now all the safety light curtain has a warranty period.

10/16/2020

How to distinguish true and false Copeland compressors

Every year in the refrigeration peak season, there are always some non-original Copeland compressors from OEM or refurbished companies appearing on the market. Due to the current many models of Copeland compressors, the market is relatively chaotic, which will affect purchases.

08/24/2020

Multi-online display FC, FL, FE fault processing method

1. Failure display and phenomenon: Outside machine LED3 double 8 indicator light is on and displays: FC, FL, FE. When the indicator light of the external mainboard and the line controller fail, the following figure will be displayed:

07/07/2020

Earth Hour: Hitachi Central Air Conditioner works with you to speak for the earth