Rittal cabinet air conditioner fault code

Fault symptom 1: insufficient cooling capacity Cause analysis (1) The room or box is not sealed or the thermal insulation performance is poor (2) The evaporator frost is too thick (3) The efficiency of the compressor deteriorates (4) The expansion valve is too large or too small (5) There are more ...

1. Determine the material of the distribution box First of all, from the material selection, the distribution box on the market is divided into plastic and metal two materials, metal material is durable, strong resistance, but it is easy to rust and corrode when encountering water stains; Although plastic is light and cheap, it is not very durable. Therefore the root ...

1. Built-in air conditioner for heat dissipation The cabinet is equipped with a refrigeration system, the evaporator and power devices are installed inside the cabinet in a closed manner, and the condenser and compressor are placed in the external circulation air duct or outside the cabinet. Since the power unit is sealed in the cabinet, as long as the appropriate sealant is used ...

Usage code - not marked as power cable, K- (control cable), P- (signal cable); Conductor material code - not marked as copper (can also be marked as CU), L- (aluminum); Inner Sheath Code – Q-(Lead Packed), L- (Aluminum Cladding), H- (Rubber Jacket), V-(Polyvinyl Chloride ...

The operating voltage of the cable Generally speaking, there is a certain relationship between the operating voltage of the cable and the rated voltage. If some cable lines are not in use, they must be connected to the power grid to ensure that the cable lines are not exposed to moisture. When the neutral point is not grounded ...

In the high-voltage cabinet with the spring energy storage operating mechanism, the energy storage must be stored in advance before closing. The energy storage mechanism is driven by an electric motor and the gear mechanism lengthens the spring. There are two types of operation methods: electric and manual. Manual failure to store energy should be due to a mechanical failure of the mechanism. Manual energy storage ...

What to do if you notice someone electrocuted? Answer: First of all, make the electrocuted person quickly disconnect from the power supply. Its method, for low-voltage electric shock, can be used "pull", "cut", "pick", "pull", "pad" method, pull or cut off the power supply, the operation should pay attention to avoid people rescue people electric shock, should ...

A new A320 Airbus aircraft must pass rigorous testing before it can be put into service, so to ensure a smooth flight, not only the aircraft itself needs to be protected from overheating, but also the test hardware needs to be properly protected. Airbus uses Rittal Blue e+ cooling units to make it ...

As the "guardian" of the cabinet, the lock system is also an important accessory choice in the cabinet system. Locking systems include fasteners, locks, keys, handles, and cylinders, among others. The lock cylinder refers to the module that is replaced for different locks and keys. 01. Personalized configuration ...

What is a protective relay? Answer: It can reflect the failure or abnormal operation of electrical equipment in the power system, and act on the device that trips the switch or sends out a signal. What are the commonly used relays? A: Current Relay, Voltage Relay, Signal ...

1. The impact of lightning The armor components of the control cable are all metal conductors, and if the power line is short-circuited or lightning hits the metal parts, a strong current will be generated to destroy the optical cable line equipment, and even casualties will occur in serious cases. 2. Optical cable ...

Power distribution circuits? Answer: From the regional substation to the substation of the electricity unit or the power supply line of the city and township, it is the line used to distribute electric energy. Power lines can be divided into according to the erection method? A: Overhead power lines and cable lines. ...

Rittal toroidal transformer primary connection 115 V/400 V 　　Product Model: 3201.970 Power supply for wall-mounted air/water heat exchangers in 230 V sizes. A 115 V or 400 V main connector is available. Product Description: Wall for 230 V Specification

1. Improve the environment inside and outside the cabinet 1. We not only need to keep the electrical cabinet dry and clean, but also need to do a good job of cleaning and sanitation in the distribution room where the distribution cabinet is placed to prevent water and dust from entering the cabinet 2. The lighting environment of the distribution cabinet should be good, and it should be equipped with professional cabinet lighting ...

11. What is the definition and classification of secondary circuits? Answer: The secondary circuit is used to monitor the measuring instrument, control the operation signal, all the low-voltage circuits of the relay and automatic devices are called the secondary circuit, and the secondary circuit can be divided into (1) current circuit according to the power supply and use; (2) Electricity ...

1. GGD AC low-voltage distribution cabinet has the characteristics of high breaking capacity, good dynamic and thermal stability, flexible electrical scheme, convenient combination, seriality, strong practicability, novel structure and high protection level. It can be used as a replacement product for low-voltage switchgear. Structural features ...

1. Once a month (8 hours at the end of the month), and make a maintenance record. 2. Clean the gears of the whole machine to ensure the cleanliness and normal clearance of the gears. 3. Check the gap between the two gears at the punching device of the processing department and adjust the clearance. 4. Adjust the gap between each ink roller to ensure that ...

First, the assembly process The assembly process is the guarantee of the assembly work, because only the assembly according to the process can ensure the quality of the assembly work. The process is the standard and requirement of assembly, and only the assembly according to the process can ensure the safety of assembly. However, before the assembly, the technical ...

1. Set the target temperature: the default temperature of the original factory is 35°C, you can press and hold the set button for more than 1 second after starting, the parameters start to flash, complete the temperature adjustment by pressing the UP and DOWN buttons, and after adjusting to the target temperature, press the set button to store the set parameters. 2. High temperature alarm: ...

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