Custom Size Stainless Steel Air Shower Room for Cleanroom

Features:
The air shower primarily blows off dust carried on personnel’s clothing, hats, and goods. It is generally installed at the entrance of cleanrooms as a fully functional “airlock chamber” to reduce air contamination. When personnel or goods pass through the air shower, contaminated dust particles are blown away by highly purified airflow filtered through high-efficiency filters. Since the two doors of the cleanroom are never open simultaneously, the air shower also acts as an airlock to control the entry of contaminated external air into the clean area. This equipment is widely used in biological laboratories, pharmaceutical factories, hospitals, food processing plants, electronics factories, and any other places requiring air purification.

Description

  1. Connect the power supply of 380V, 50HZ, turn on the operation and lighting switches, and confirm that the fan and lighting are working properly. At this time, the air shower is in its initial state, and personnel can operate normally.

  2. Entry and exit procedure:

Press the manual button to open the door → the entrance door automatically opens, and personnel or goods enter the air shower → (If the anti-pinch sensor inside the entrance door does not detect any person or goods within 5 seconds, the entrance door will automatically close) → when a person or goods are in the air shower detection zone → start blowing with wind speed reaching 20~25 m/s (air shower time adjustable from 10 to 99 seconds, factory default is 15 seconds) → after blowing ends → the exit door automatically opens → person or goods leave the air shower (if the anti-pinch sensor inside the exit door does not detect any person or goods within 5 seconds) → the exit door automatically closes → process ends.

  1. Exit procedure:

Press the manual button to open the door → the exit door automatically opens → enter the air shower (if the anti-pinch sensor inside the exit door does not detect any person or goods within 5 seconds) → exit door automatically closes → entrance door automatically opens → person or goods leave the air shower (if the anti-pinch sensor inside the exit door does not detect any person or goods within 5 seconds) → entrance door automatically closes → end.

Notes:

  1. After the air shower is powered on, the doors on both sides are interlocked. It is strictly forbidden to forcibly open one door when the other door is not completely closed.

  2. When the air shower is in operation, it is strictly forbidden to open the doors (until the blowing stops). In case of emergency, the emergency stop button can be pressed to stop the blowing before opening the door.

  3. The emergency stop button will automatically reset after three to four minutes, and the system will enter sleep mode. Pressing any key will restore the system to normal status.

  4. During maintenance (or when opening the control panel), safety must be ensured by disconnecting the power switch and pulling out the fuse. Confirm there is no power before proceeding.

  5. After the blowing ends, it is strictly forbidden to forcibly open the front door.

  6. The air shower should be operated by designated personnel only. After the air nozzles are positioned, non-operators should not move them casually.

Screen 1: Main Operation Screen

  1. Pressing ESC will disconnect all outputs (effective only on the first screen).

  2. Pressing ALM will disconnect the lighting output (effective only on the first screen).

  3. When power is supplied, the power indicator light will be on (effective only on the first screen).

  4. When the fan is running, the operation indicator light will turn on (effective only on the first screen).

Use the up/down keys to move to the second screen.


Screen 2: Parameter Setting Screen

  1. Press 0 to prompt for a password, then press ENT. The password is 999. Use the arrow keys to input numbers (direct numeric input is not allowed). After entering the password, press ENT to confirm, then press ESC to exit back to the second screen. Next, press SET to select the data position you want to edit and input the desired value, then press ENT to confirm.

  2. Air shower blowing time setting range: 0.3 ~ 999.9 seconds.

  3. Lighting time setting range: 18 ~ 3600 seconds.

  4. Exit door delay setting range: 0.1 ~ 20 seconds.

  5. Entrance door delay setting range: 0.3 ~ 20 seconds.

If the value you enter is out of range, a buzzer will sound.

Use the up/down keys to move to the third screen.


Screen 3: Settings Screen

  1. Select the data position to edit, input the desired value, then press ENT to confirm. After the data is successfully modified, press SET until the cursor disappears.

  2. Production quantity setting range: 1 ~ 99.

  3. Production year setting range: 2000 ~ 9999.

  4. If the entered data is out of range, a buzzer will sound.

Use the up/down keys to move to the fourth screen.


Screen 4: Fault Diagnosis Screen

  1. When the entrance door is closed, the entrance door magnetic sensor indicator changes from white to black; when the exit door is closed, the exit door magnetic sensor indicator changes from white to black; when the photoelectric switch is triggered, its indicator changes from white to black.

  2. When the entrance door electric lock is powered, its indicator changes from white to black; when the exit door electric lock is powered, its indicator changes from white to black; when the air shower is operating, the air shower indicator changes from white to black; when the lighting is on, the lighting indicator changes from white to black.

Use the up/down keys to move to the fifth screen.


Screen 5: Consumables Size Screen

  1. Select the data position to edit, input the desired value, then press ENT to confirm. After the data is successfully modified, press SET until the cursor disappears.

  2. Pre-filter size setting range: Max 2000×2000×500 mm, Min 10×10×5 mm.

  3. HEPA filter size setting range: Max 2000×2000×1000 mm, Min 10×10×5 mm.

  4. Lighting setting range: 1 ~ 99.

  5. If the entered data is out of range, a buzzer will sound.

You can use the up/down keys to enter any screen. After modifying the data, press SET until the cursor disappears, then press 1 followed by ▼ to reach the password disable option. Press ENT to confirm that the password has been disabled, exit to the first screen, press ESC emergency stop button once to activate emergency stop, then press ESC again to release emergency stop, and all settings will be saved.


Section 4: Common Faults and Troubleshooting

If there is an abnormality in the fast rolling shutter door air shower, please refer to the table below for self-inspection. If the fault cannot be resolved, please contact our after-sales service department promptly for repair.

Fault Phenomenon Cause of Fault Solution
Low Air Velocity High-efficiency filter used too long, causing clogging Replace with a new high-efficiency filter
The primary filter was used too long, causing clogging Replace with a new primary filter
Fan Does Not Rotate The incoming air circuit breaker trips Check for short circuit or leakage
Electrical components in the distribution box are damaged Replace damaged electrical components
The fan is working time too long Replace the fan
PLC control system malfunction Repair the PLC control system
Fan Does Not Stop Timer relay damaged Repair or replace the timer relay circuit board
Intermediate relay damaged Replace the intermediate relay
Lighting Not Bright Daylight lamp damaged Replace the daylight lamp
PLC control system malfunction Repair the PLC control system
Both Doors Not Interlocked Electronic lock, sensor door magnet, or PLC program failure Replace related electrical components

Note: Non-standard customization is acceptable.

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