The ultra-clean workbench is a local purification unit for sterile, dust-free and clean environment in the fields of medicine, health, bioengineering, and scientific experiments. The air is injected into the static pressure tank through the top/back primary air filter and the low noise centrifugal fan, and is uniformly blown out on the upper side by the high efficiency air filter to form a highly clean horizontal/vertical air curtain, which is removed. The original natural air in the area reaches the ideal high cleanliness space five minutes after the start-up. The adjustable fan is used to adjust the air volume infinitely, and the light-touch switch adjusts the voltage knob to ensure that the wind speed in the working area is always in an ideal state.
Installation and use:
The workbench should be located in a clean room (the primary clean room in the 100,000 or 300,000 class), plug in the power, and turn on the function shown on the control panel. Before starting the machine , the working area and the outer casing of the clean bench should be carefully cleaned to remove the surface dust. After 10 minutes from the start, the normal operation can be carried out.
maintain:
1. According to the actual use situation, the primary effect filter is removed and cleaned regularly, and the cleaning cycle is generally 3~6 months. (If it is not washed for a long time, the dust will affect the insufficient air intake and reduce the cleaning effect).
2. When the ideal cross-section wind speed cannot be achieved after normal replacement or cleaning of the primary air filter, the working voltage of the fan (rotation knob) should be adjusted to achieve the desired uniform wind speed (the fan is used when the new workbench starts). The working voltage can be adjusted to 80V~90V).
3, generally after 18 months of use, when the fan operating voltage is adjusted to the high point of Zui, still can not reach the ideal wind speed, it means that the high efficiency air filter is too dusty (the filter hole on the filter material has been basically blocked, to Timely update), the general efficient air filter has a service life of 18 months.
4. When replacing the high-efficiency air filter, pay attention to the correct size of the model (original manufacturer configuration), press the arrow wind direction device, and pay attention to the perimeter seal of the filter, no leakage occurs.
General faults, causes and troubleshooting
Fault phenomenon: The main power switch can not be connected, and automatically trips. Causes: 1. The fan is stuck and the motor does not turn, or the line has a short circuit. Remedy: 1. Adjust the position of the fan shaft, or replace the impeller and bearing to check whether the line is intact. 2. According to the circuit diagram, check the insulation resistance of the circuit and components to the outer casing point by point, and repair the insulation fault components.
Fault phenomenon: The wind speed is low. Reason:
1. The initial effect filter has too much dust. 2. The high efficiency filter fails.
Remedy: 1. Clean the primary filter. 2. Replace the high efficiency filter.
Fault phenomenon: the fan does not turn. Reason:
1. The contactor does not work. 2. The fan power fuse has been blown.
Remedy: 1. Check if the contactor line is normal. 2. Replace the fuse.
Symptom: Fluorescent light does not light. Reason:
1. The lamp or relay is damaged. 2. The lamp power fuse has been blown.
Remedy: 1. Replace the lamp or relay. 2. Replace the fuse.
Shanghai Sujing Industrial Co., Ltd.
　　
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