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Teach you how to repair the computer room air conditioner humidifier
The maintenance room air conditioner humidifier generally includes the following contents:
1. Check the heater.
2. Check the humidifier humidifier electrode, infrared lamp tube, lamp cover, lamp holder and lamp tube connection terminals.
3. Clean, reinforce or replace the humidifying water pan with descaling solution.
4. Check if the drain tank is clogged and dredge the water supply/drainage line inside the machine.
5. Check the operation of the upper and drain solenoid valves.
6. Replace other problematic devices.
Maintenance room air conditioning humidifier steps / methods
Water supply solenoid valve
A. The water supply solenoid valve is a control valve for the humidification system to supply water.
B. Pre-replacement status:
a: The water stop valve cannot be opened;
b: the upper water valve coil is burnt out;
c: the water supply valve is not tight;
C. In order to ensure the normal operation of the water on the humidification system, there is no B situation, so it must be replaced.
D. Replacement steps:
a: Turn off the power supply or the water supply solenoid valve coil power supply to remove;
b: the water supply source is closed;
c: Remove the old water solenoid valve and replace it with a new water solenoid valve
Drain solenoid valve
A. The drain solenoid valve is the control valve for the humidification system drain.
B. Pre-replacement status:
a: The drain valve cannot be opened;
b: the drain valve coil is burnt out;
c: The drain valve is not tightly closed (it does not drain when there is no need for drainage, and the humidifier tank cannot hold water).
C. In order to ensure the humidification system drainage, the humidification operation is normal, and there is no B situation, so it must be replaced.
D. By replacing the drain solenoid valve, the humidification system drains normally and the humidification system operates normally.
E. Replacement steps:
a: turn off the power;
b: remove the humidification tank;
c: Remove the old drain solenoid valve and replace it with a new drain solenoid valve;
Electrode type steam humidification tank
A. Humidification tank is the humidification system that holds water, and heating (making water into water vapor) is the core part of the humidification system.
B. Pre-replacement status:
a. The scale is full, the water is not good, and the fire is slow when humidifying or humidifying;
b. The humidifying electrode burns out.
C. In order to ensure normal operation of humidification, replace the humidification tank.
D. By replacing the humidifying tank, the water in the humidifying system is fast, and the humidifying effect is good.
E. Replacement steps:
a: turn off the power;
b: drain the humidification tank water;
c: Remove the old heating tank and replace it with a new humidifying tank;
Water tray
A. The humidifying water tray is a container for holding water in the humidifying system.
B. Pre-replacement status:
a: deformation of the humidifying water tray;
b: the humidified water tray is corroded;
C. In order to ensure the normal operation of the humidification system, no water leakage, so replace it.
D. By replacing the humidifying water tray, the humidification effect is very good.
E. Replacement steps:
a: Discharge the water from the water tray and remove the bad humidifying water tray;
b: Replace with a new humidifying disc;
Humidification reflector (for some models)
A. Humidification reflector is a cover for far infrared humidification lamp reflection.
B. Condition before replacement: The lampshade burned out or corroded.
C. In order to prevent the light and heat of the lamp from being emitted to other parts.
D. Light and heat concentrated reflection by replacing the reflector tube.
E. Involved:
a. drain the water from the humidifying tray and remove the water tray;
b. remove the humidifying lamp;
c. Remove the old reflector and replace it with a new reflector;
Humidifying heat protection switch
A. Humidification heat protection is a reset switch that protects the humidification water tray from overheating.
B. Pre-replacement status:
a. Always outside the normally closed state, can not jump;
b. Always outside the normally open state, can not be closed;
C. In order to prevent the humidification water tray from being waterless and the humidification lamp is always in a humidified state, the thermal protection is replaced.
D. Working properly by replacing the thermal protection humidification system.
E. Step: Remove the old thermal protection and replace it with a new one.
Humidification overcurrent protection
A. Humidification overcurrent protection is a component of the humidification lamp that is protected due to excessive current.
B. Condition before replacement: disconnected.
C. Replace the lamp for humidification.
D. Normal operation after humidification by replacement.
E. Step: Remove the old one and replace it with the new one.
Humidifying contactor
A. The humidifying contactor is an AC contactor powered by a humidifying tube.
B. Pre-replacement status:
a. The contactor coil is burnt out;
b. The three contacts of the contactor are not synchronized.
C. In order to make the humidifying lamp work normally.
D. After the replacement, the humidifying lamp can work normally.
E. Steps:
a. Turn off the power;
b. Take the old one and replace it with the new one.
Humidity Sensor
A. The humidity sensor is a sensor that detects the humidity of the equipment room.
B. Pre-replacement status:
a. The humidity in the equipment room is not detected;
b: detection error;
C. In order to accurately check the standard humidity of the equipment room.
D. The actual humidity of the equipment room can be accurately detected by replacement.
E. Steps:
a. Turn off the power;
b. remove the old ones and replace them with new ones;
Maintenance room air conditioning humidifier precautions
1. When repairing the humidification system, pay attention to insulation and completely cut off the power. The voltage of the humidifying electrode plug is 380v.
2. Apply an inch sleeve when tightening the electrode plug to prevent fire hazards caused by loose plugs.
3. All aged wires must be replaced.
4. Re-construct the drainage pipeline according to the installation specifications. The drainage pipeline must have a certain slope, and it is required to minimize the turning, and the main road should be coated with a galvanized pipe of 1 inch or more. A recoil device is installed on the drain pipe, and the connecting pipe between the air-conditioning and drain valves of the main road is applied, and the hose with the support is applied, and the connection of the main road bend is applied with a tee, so that the cleaning can be opened at any time.
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