This document is an installation and operation manual for CHI series pumps authorized by Grundfos, a Danish water pump company. The document provides information on the purpose, operating conditions, installation, electrical connection, start-up, operation and maintenance of the CHI series pumps.
The Grundfos CHI series consists of non-self-priming horizontal multistage centrifugal pumps designed for pumping thin, non-explosive liquids such as water, hot water, and solutions. These pumps are suitable for use in water supply, industrial, agricultural, and food processing applications, provided the liquid does not contain abrasive particles or fibers. This manual is written in Chinese.
| Ambient temperature | -15°C to +40°C |
|---|---|
| Liquid temperature range | -15°C to +110°C |
| Maximum permissible operating pressure | 10 bar |
| Sound pressure level | Below 70 dB(A) |
| Maximum start/stop frequency | 100 times per hour |
When viewed from the motor fan side, the pump must rotate counter-clockwise.
The maximum frequency is 100 starts and stops per hour.