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Description of Control Panel Functions and Wiring

Freon leak detectors play a crucial role in maintaining the safety and efficiency of refrigeration systems. These devices are designed to detect and locate leaks in refrigerant lines, ensuring the proper functioning of cooling equipment and preventing environmental damage caused by refrigerant leakage. Freon leak detectors are an essential component in the field of refrigeration and air conditioning systems. They play a vital role in maintaining the safety and efficiency of these systems by promptly detecting and locating any leakage of refrigerants such as Freon.

1 System Status Light 1. System Status Light
Power Supply The light flashes, indicating that the system software cycle detection is running
Alarm System general alarm indicator light, when the gas concentration detected by any detector is higher than the alarm setting value, the indicator light will be on, and it will be locked until the “reset” button is pressed to release
Fault System total fault indicator light, if there is any fault in the system, the indicator light will be on
linkage When the relay operates, the light is on.
Muffling In normal state, the light is off. After pressing the mute button, the light turns yellow.
Aisle The channel is always on when it is working normally, and it is off when there is no detector connected
Freon Leak Detector
Freon Leak Detector
Freon Leak Detector

Freon leak detectors, also known as freon leakage detectors or electronic freon leak detectors, are specialized instruments used to identify and locate refrigerant leaks in various industrial and commercial applications. These devices are equipped with advanced sensors that can detect even the smallest traces of refrigerant gases, enabling prompt repairs and preventing potential hazards.

The control panel of a freon leak detector serves as the command center for operating, configuring, and monitoring the device. It typically comprises a series of buttons, switches, indicators, and displays, which are designed to provide a user-friendly interface for efficient control and management.

2 Control Panel Button Description 2. Button Description:
Reset The “alarm” status of the controller is canceled, and the linkage equipment is reset
Muffling In the state of alarm or failure, press the “Mute” key to stop the sound, if the alarm occurs again, the speaker will emit the alarm sound again.
Set Up Parameter setting (see operation for details)
Subtract, query alarm
Plus, controller self-test
◢ Left (self-test) Bit selection
◣Right Bit selection, lock display
Linkage one ON/OFF Relay One
Linkage two On/Off Relay Two
Cancel In the non-real-time interface, press the “Cancel” button. Exit without saving and return to the real-time interface of the system.

Freon leak detectors are indispensable tools for detecting refrigerant leaks and ensuring the safety and efficiency of refrigeration systems. The control panel serves as the central interface, providing users with essential functions such as power control, sensitivity adjustment, alarm indication, and real-time monitoring. Proper wiring is crucial to ensure the effective operation of freon leak detectors, ensuring accurate detection and timely alarms. By understanding the control panel and wiring requirements, users can maximize the potential of freon leak detectors and mitigate the risks associated with refrigerant leakage.

The product wiring diagram is as follows: detector interface (T+ T-), there is no need to distinguish between positive and negative poles when connecting. 3. Wiring Diagram of Controller and Detector:
3 Wiring Diagram of Controller and Detector

A freon leak detector is a device used to detect and locate leaks in cooling systems that use freon or other refrigerants. Freon, also known as chlorofluorocarbon (CFC) or hydrochlorofluorocarbon (HCFC), is commonly used as a coolant in refrigeration and air conditioning systems. The leak detector works by sensing the presence of freon gas in the air. It typically uses a heated diode sensor or an infrared sensor to detect the gas. When a leak is present, the freon gas escapes and is detected by the sensor. Freon leak detectors play a crucial role in maintaining the safety and efficiency of various systems that utilize refrigerants.

Freon leak detectors are essential tools in the HVAC (Heating, Ventilation, and Air Conditioning) industry for detecting and locating refrigerant leaks. Timely identification and resolution of freon leaks help prevent environmental damage, improve system performance, and ensure compliance with safety regulations. These devices are designed to detect and locate leaks of Freon, a type of refrigerant commonly used in cooling and air conditioning systems.

A B Interface:  RS485 bus output interface, upload system A+, B- 4. Output Board Description:
`+Valve-:  Normally open solenoid valve wiring port with voltage DC24V and power less than 120W
T+/ T- Channel:  Detector interface (T+ T-), no need to distinguish between positive and negative poles when connecting.
Relay 1: Normally open, common, normally closed, signal passive output. Linear (continuous) switching output capacity 10A/277VAC or 12A/125VAC.
Relay 2:  Normally open, common, normally closed, signal passive output.
Relay 2:  Pulse (Momentary): Adjusted by relay setting. Capacity 10A/277VAC or 12A/125VAC
Power Switch:  Main Power Switch
Power Cable:  220V Mains Power Input
Description Note:  After connecting the wires, carefully check all kinds of wiring to ensure that the wiring is correct before turning on the power. Live wiring is prohibited!

Freon leak detectors play a critical role in maintaining the safety and efficiency of refrigeration and air conditioning systems. The control panel serves as the nerve center, enabling users to operate, configure, and monitor the detector effectively. By understanding the functions of the control panel and the wiring aspects associated with freon leak detectors, technicians can ensure the reliable and accurate detection of refrigerant leaks. Freon leak detectors, with their advanced control panels and comprehensive features, contribute significantly to the overall smooth operation of various industries reliant on refrigeration technology. Remember, safety should always be a top priority when working with refrigerants.

◆ If you need to install a solenoid valve, please make this request before purchasing, and the connection line can be drawn out according to the requirements during order production. 5. Schematic Diagram of Controller Signal Output Solenoid Valve Connection (Standard Configuration):
◆ If this requirement is not mentioned before the purchase, it needs to be added after installation. You can connect according to the following diagram. If you have any questions, you can call the after-sales service number.
◆ The valve opening output (linkage 2) is a set of passive normally open and normally closed signals. If you want to connect the solenoid valve, you must first determine whether the solenoid valve is normally open or normally closed, and then determine the operating voltage and power of the solenoid valve.
◆ The wiring diagram of normally open solenoid valve with AC220V and power less than 1000W is as follows:
5-1 Schematic Diagram of Controller Signal Output Solenoid Valve Connection
◆ The wiring diagram of normally open solenoid valve with voltage DC24V and power less than 120W is as follows:
5-2 Schematic Diagram of Controller Signal Output Solenoid Valve Connection
◆ If the voltage is AC220V and the normally closed solenoid valve with power less than 1000W, the wiring position is not in “linkage 2”, but in “linkage 1”. The “normally closed” and “common” wiring diagrams are as follows:
5-3 Schematic Diagram of Controller Signal Output Solenoid Valve Connection
◆ If the voltage is DC24V normally closed solenoid valve with power less than 120W, the wiring diagram is as follows:
5-4 Schematic Diagram of Controller Signal Output Solenoid Valve Connection

The Freon leak detectors installed at the site or back of the environmental chambers are powered by the controller. When a gas leak occurs, the sensor converts the leak amount into a corresponding voltage signal output, and the voltage signal is uploaded to the controller after being processed by the detector, and the controller parses the data and displays it on the screen after receiving it. When the concentration reaches the set action value, the controller will send out an alarm.

Freon leak detectors are Wewon’s high-tech products, which use high-end microcontrollers as the core of control and management. It can be matched with our company’s two-wire gas detector to form an industrial gas alarm system. The Wewon’s Freon leakage detectors are designed in strict accordance with IEC 6177 “Combustible Gas Alarm Control Units”.

◆ If you need to install an exhaust fan or a warning light, please make this request before purchasing, and the connecting wires can be drawn out according to the requirements during order production. 6. Wiring Diagram of Exhaust Fan/Warning Lights (Standard Configuration):
◆ If this requirement is not mentioned before the purchase, it needs to be added after installation. You can connect according to the following diagram. If you have any questions, you can call the after-sales service number.
◆ The exhaust air output (linkage 1) is a group of passive normally open and normally closed signals. If you want to connect an exhaust fan or a warning light, you must first confirm its working voltage and power.
◆ To connect exhaust fan or alarm light, only need to lead from “Linkage 1” and “Common”.
◆ The wiring diagram of the exhaust fan alarm light with AC220V and power less than 1000W is as follows:
6-1 Wiring Diagram of Exhaust Fan/Warning Lights
◆ The wiring diagram of the exhaust fan alarm light with a voltage of DC24V (or other voltages) and power less than 120W is as follows:
6-2 Wiring Diagram of Exhaust Fan/Warning Lights
◆ If the power of the exhaust fan or warning light is greater than 1000W, it needs to be controlled by an AC contactor, and the AC contactor controller is connected to external equipment (exhaust fan, etc.). The diagram is as follows
6-3 Wiring Diagram of Exhaust Fan/Warning Lights
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