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Clean the air conditioning unit operation flow

Release date:2017-07-02 author: click:

Clean the air conditioning unit operation flow

First, the purpose

Regulate the daily operation of the operator to ensure that the requirements of clean room;

Second, the scope of application

Applicable to one hundred thousand clean room air conditioning system of daily management good operation;

Third, the responsible person / operator

Air conditioning captain, monitor

Fourth, the working procedures

1. System introduction

1.1 Equipment information

Rated air supply: 75000m3 / h Rated cooling capacity: 450KW

Full pressure Pa: 1850pa electric heating power: 72KW

Motor power: 45KW Humidification: 160kg / h

Dimensions: 8700 * 2860 * 2860

Ozone generator: 300g

1.2 purification of air conditioning process

Fresh air, air return section "early effect filter section" humidification section "table cold section" fan section "heating section" in the filter section "static pressure box section" silencer duct section "duct" efficient air supply

1.3 Introduction to Automatic Control System

The air conditioning system using Siemens S7-200PLC control, by detecting the return air temperature and humidity control the size of the valve;

1.4 control parameters

Temperature: 18-26 ° C, humidity: 45% -65%;

2 equipment operation

2.1 clean air conditioning unit

2.1.1 Preparation before operation: Check whether the frozen water in place for leakage, power is connected

2.1.2 air conditioning unit start and stop:

2.1.2.1 start the first open the main control cabinet power supply, and see whether the voltage is normal;

2.1.2.2 press the start button on the automatic control panel, the fan starts, and then open the exhaust fan chassis power, to be normal after the frequency and current to see whether the current,

2.1.2.3 Press the stop button on the automatic control panel at shutdown and press the exhaust box close button before the fan stops.

2.1.3 Note:

2.1.3.1 to the surface cooler water supply should meet the requirements, the water should first open the drain valve, the tube exhaust

2.1.3.2 Starting the fan is the person who should leave the fan section

2.1.3.3 start the fan should pay attention to the air conditioning box inlet and outlet air flow control valve position, to prevent the emergence of non-high pressure and suction pressure, resulting in air conditioning box suction or up the situation

2.1.3.4 prohibit air conditioning box operation to open the air conditioning box access door, is strictly prohibited when the fan running into the chassis

2.2 Ozone generator

2.2.1 Preparation before operation

2.2.1.1 air conditioner normal operation, the new air valve closed, exhaust valve closed

2.2.1.2 The internal parts of the ozone generator are in the normal state

2.2.2 start and stop

2.2.2.1 Set the time to be timed

2.2.2.2 Press the start button to start, the timer time to, the device automatically stops

2.2.3 Precautions

2.2.3.1 In the ozone generator start-up time should be determined clean area unmanned state

2.2.3.2 after the end of sterilization should be opened in time fresh air and exhaust valve, the production workshop must be 2 hours after the end of sterilization into the production operation


Related labels:Cleancolorplate

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